Job Description:
<ul>
<li>We are looking for a Senior System Administrator to join our IT department. You’ll be responsible for managing our server and network infrastructures.</li>
<li>Senior System Administrator responsibilities include supervising our Operations team, monitoring system performance and configuring new software and hardware. To be successful in this role, you should have excellent troubleshooting skills and hands-on experience with various operating systems.</li>
<li>Ultimately, you will ensure our software, hardware, servers and networks run smoothly.</li>
</ul>
Responsibilities:
<ul>
<li>Configure internal systems</li>
<li>Diagnose and troubleshoot technical issues</li>
<li>Supervise the Operations team</li>
<li>Upgrade the network infrastructure</li>
<li>Install servers, devices and firewalls</li>
<li>Train new system users and set up their accounts</li>
<li>Monitor the performance of servers, software and hardware</li>
<li>Ensure the smooth deployment of new applications</li>
<li>Update technical documentation</li>
</ul>
Requirements:
<ul>
<li>8+ years of experience in the IT field</li>
<li>High level of English &#8211; both written and spoken</li>
<li>Ability to multi-task in a fast-paced environment</li>
<li>Knowledge with virtualization systems: Hyper-V and VMware- must</li>
<li>Windows 2016/2022 Active Directory – must.</li>
<li>Experience with installation, maintenance, and management of Multiple Operations Systems – Windows, MACOS, Linux.</li>
<li>Familiar with networking, firewalls, VPN, corporate WiFi -must</li>
<li>Familiar with DHCP, DNS, and other AD services.</li>
<li>Cloud (Google/AWS) experience.</li>
<li>Familiar with Google apps (Gsuite)</li>
<li>Experience with JampCloud or other MDM systems.</li>
<li>Excellent interpersonal skills, service-oriented, and a team player.</li>
<li>Knowledge of system security techniques</li>
<li>Good problem-solving and communication skills</li>
<li>Security and Access control equipment.</li>
<li>Solid understanding of LAN/WAN networks</li>
</ul>

Senior System Administrator &#8902; Tech

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Senior System Administrator

We are looking for an experienced ML Engineer Team Lead, who can lead and design our big data infrastructure, using the most advanced tools on the market. The ideal candidate is a data leader who enjoys building data systems from the ground up while also leading a team of engineers and enabling them to grow.
Responsibilities:
<ul>
<li>Architecture of an ML platform, lifecycle management, orchestration and processes</li>
<li>Design data pipelines (automation of collecting, structuring and cleaning data for training and assessing the quality of models)</li>
<li>Planning of monitoring and analytics services</li>
<li>Management of a team containing 5-6 ML engineers, as well as other functions such as Integration Developers and QA</li>
<li>Collaboration with many partners such as DevOps and Product</li>
<li>Work in a Google Cloud Platform environment</li>
</ul>
Requirements:
<ul>
<li>1-3 years of people&#8217;s management</li>
<li>Experience managing a multidisciplinary team- an advantage</li>
<li>Advanced Python knowledge</li>
<li>Good understanding of ML principles</li>
<li>Strong understanding of designing high performance, fault-tolerant distributed software solutions</li>
<li>Experience creating and optimizing big data processes, pipîelines, and architectures</li>
<li>Experience in streaming technologies like Spark streaming or Dataflow</li>
<li>Experience with Asynchronous messaging using Pub/Sub, Kafka, RabbitMQ, or alike</li>
<li>Familiarity with containerization technologies such as Docker and Kubernetes</li>
<li>Knowledge of CI/CD tools and processes such as Git, GitLab and Jenkins</li>
<li>Experience working with both relational and non-relational databases (BigQuery, BigTable, MySQL, Redis)</li>
<li>Familiarity with Unix/Linux OS and shell scripts</li>
<li>Strong organizational skills</li>
</ul>
Would be a plus:
<ul>
<li>5+ years developing data engineering solutions using public cloud solutions Google Cloud Platform/AWS/Azure or on-premise distributions</li>
<li>Experience with testing automation</li>
<li>Experience with DS models product integration</li>
</ul>

Machine learning Engineer Team Lead &#8902; Tech

Machine learning Engineer Team Lead

We are looking for an experienced hands-on Data Engineer to lead our team with a strong technical background and the ability to empower their team to achieve their goals and support their needs. Your team will be responsible for building, maintaining and designing our data and data pipeline architecture and infrastructure as well as developing key data features. Your customers will be all data consumers in the company, from Data Science, Data Analytics, Business Analytics and DWH teams to internal business and finance teams.  The ideal candidate is a data enthusiast who enjoys building data systems from the ground up and maintaining their integrity. You will be the go-to person for anything and everything regarding understanding data, exploration, pipelines, analytics and the connection between business and data.
Your day-to-day responsibilities will include:
<ul>
<li style="font-weight: 400;" aria-level="1">Leading a strong and technical team of 3-4 engineers</li>
<li style="font-weight: 400;" aria-level="1">Recruiting and mentoring new engineers, empower their grow and reach their potential</li>
<li style="font-weight: 400;" aria-level="1">Be a part of decisions and design of building scalable data lake, data pipelines and analytics infrastructure</li>
<li style="font-weight: 400;" aria-level="1">Ongoing syncs with other team leaders and data consumers</li>
<li style="font-weight: 400;" aria-level="1">Performing POCs on new tools and new services in cloud environment.</li>
<li style="font-weight: 400;" aria-level="1">Make decisions, regarding new tools and data strategies </li>
</ul>
Requirements:
<ul>
<li style="font-weight: 400;" aria-level="1">BSc in Computer Science, Mathematics, or other related disciplines.</li>
<li style="font-weight: 400;" aria-level="1">Strong technical background in data. </li>
<li style="font-weight: 400;" aria-level="1">3+ years of leadership experience working in the field of data engineering</li>
<li style="font-weight: 400;" aria-level="1">2+ years of experience in custom ETL/ELT design, implementation and maintenance</li>
<li style="font-weight: 400;" aria-level="1">2+ years of experience in live data streaming (Kafka, PubSub, Kinesis, etc.)</li>
<li style="font-weight: 400;" aria-level="1">Experience working with Python</li>
<li style="font-weight: 400;" aria-level="1">Advanced knowledge in SQL scripting</li>
<li style="font-weight: 400;" aria-level="1">Experience working with SQL (MySQL, Postgres, BigQuery, etc.) and NoSQL (BigTable, Redis, MongoDB, etc.)</li>
<li style="font-weight: 400;" aria-level="1">Experience with Cloud Computing (AWS, GCP, Azure, etc.)</li>
<li style="font-weight: 400;" aria-level="1">Knowledge in data visualization tools (Tableua, Looker, etc.)</li>
</ul>
Advantage:
<ul>
<li style="font-weight: 400;" aria-level="1">Experience in design, development and implementation of Data Warehouse</li>
<li style="font-weight: 400;" aria-level="1">Experience with Airflow</li>
<li style="font-weight: 400;" aria-level="1">Experience with GCP products (BigQuery, GCS, BigTable)</li>
<li style="font-weight: 400;" aria-level="1">Experience with streaming components (Pub/Sub, Kafka, Dataflow)</li>
<li style="font-weight: 400;" aria-level="1">Knowledge in data visualization tools (Tableua, Looker, etc.) – not a must.</li>
</ul>

Data Engineer Team Lead &#8902; Tech

Data Engineer Team Lead

We are looking for an experienced Data Engineer to join our team. You will be responsible for building and designing our data and data pipeline architecture and building our data warehouse. The ideal candidate is a data enthusiast who enjoys building data systems from the ground up and maintaining their integrity. You will be the go-to person for anything and everything regarding understanding data, exploration, pipelines, analytics and the connection between business and data.
Your day-to-day responsibilities will include:
<ul>
<li>Creating and maintaining scalable data pipeline and analytics infrastructure</li>
<li>Build the infrastructure and processes required for optimal extraction, transformation and loading of data from a wide variety of data sources, using SQL and Airflow</li>
<li>Work in Google Cloud Platform oriented environment</li>
</ul>
Requirements:
<ul>
<li>BSc in Computer Science, Mathematics, or other related disciplines.</li>
<li>3+ years of experience working in the field of data (Data Analysis, BI, QA, etc.)</li>
<li>2+ years of experience in custom ETL design, implementation and maintenance</li>
<li>Experience working with Python</li>
<li>Advanced knowledge in SQL scripting</li>
<li>Experience working with SQL (MySQL, Postgres, BigQuery, etc.) and NoSQL (BigTable, Redis, MongoDB, etc.)</li>
<li>Experience with Cloud Computing (AWS, GCP, Azure, etc.)</li>
<li>Knowledge in data visualization tools (Tableua, Looker, etc.)</li>
</ul>
Advantage:
<ul>
<li>Experience in design, development and implementation of Data Warehouse</li>
<li>Experience with Airflow</li>
<li>Experience with GCP products (BigQuery, GCS, BigTable)</li>
<li>Experience with streaming components (Pub/Sub, Kafka, Dataflow)</li>
<li>Knowledge in data visualization tools (Tableua, Looker, etc.) &#8211; not must.</li>
</ul>
&nbsp;

Data Engineer &#8902; Tech

Data Engineer

​Responsibilities:
<ul>
<li>Design and develop high load backend microservices</li>
<li>Maintain existing codebase and gradually rewrite it to new technology stack</li>
<li>Optimize code to achieve better performance</li>
<li>Work together with the OPS team to address production issues.</li>
</ul>
Requirements:
<ul>
<li>Writing code in a clean and maintainable manner</li>
<li>Solid experience with Java 8, especially with java.util.concurrent</li>
<li>Experience with MySQL, Mongo, Kafka, Redis, Elasticsearch</li>
<li>Understand microservice architecture patterns</li>
<li>Good at Spring, Hibernate frameworks</li>
<li>Experience with: REST, protobuf</li>
<li>Hands on experience with SQL and schema design</li>
<li>Cover code by tests (mockito, powermock)</li>
<li>Excellent problem finding and solving skills</li>
<li>Good communication skills</li>
<li>Work in Agile team</li>
<li>Intermediate+ English.</li>
</ul>
Nice to have:
<ul>
<li>Readiness for a non-standard environment</li>
<li>Experience in high load</li>
<li>Experience / desire to integrate computer vision technologies</li>
</ul>

Senior Java Developer &#8902; Tech

Senior Java Developer

Responsibilities:
<ul>
<li>Manage MySQL / Mongo databases through multiple product lifecycle environments, from development to mission-critical production systems</li>
<li>Configure and maintain database servers and load balancers, including monitoring of system health and performance, to ensure high levels of performance, availability, and security</li>
<li>Be a part of on-call incident escalations, analyze, solve, and correct issues in real time, providing problem resolution end-to-end</li>
<li>Refine and automate regular processes, track issues, and document changes</li>
<li>Assist developers with complex query tuning and schema refinement</li>
<li>Perform scheduled maintenance and support release deployment activities</li>
<li>Share domain and technical expertise, providing technical mentorship and cross-training to other peers and team members.</li>
</ul>
Requirements:
<ul>
<li>5+ years of experience supporting high-load and highly-available MySQL / Mongo databases in production environments</li>
<li>Experience with performance tuning and optimization, using monitoring and troubleshooting tools</li>
<li>Substantial understanding of web applications architecture in relation to DB.</li>
</ul>
Would be a big plus:
<ul>
<li>Experience with cloud platforms, especially GCP</li>
<li>Experience with ProxySQL</li>
<li>Experience with Java application stack (Spring, Hibernate)</li>
<li>Upper intermediate English</li>
</ul>

Database Administrator &#8902; Tech

Database Administrator

Responsibilities:
<ul>
<li>Design, development, and support of the iOS application testing framework</li>
<li>Support, development, and improvement of test infrastructure</li>
<li>Cooperation with the development team to improve the final product</li>
</ul>
Requirements:
<ul>
<li>Experience with iOS automated testing tools: XCUITest is important for us, knowledge of EarlGrey / KIF / Quick / Nimble will be a plus</li>
<li>Knowledge of Swift</li>
<li>Knowledge of mobile applications ecosystem development, the ability to design complex software solutions</li>
<li>Ability to define, aggregate, and automate work with performance metrics</li>
<li>Ability to plan the development process, prioritize and decompose task</li>
</ul>
Nice to have:
<ul>
<li>Experience in testing and API test automation</li>
<li>Experience with Allure</li>
<li>Knowledge of CI/CD, Jenkins/TeamCity, Docker</li>
<li>System approach to solving complex problems</li>
<li>Perfectionism, following clean/dry methodologies</li>
</ul>

Software Development Engineer in Test &#8902; Tech

Software Development Engineer in Test

Our day-to-day responsibilities will include:
<ul>
<li>Development of a platform for ML lifecycle management, orchestration and processes</li>
<li>Development and support of data pipelines (automation of collecting, structuring and cleaning data for training and assessing the quality of models)</li>
<li>Development of monitoring and analytics services</li>
<li>Work in Google Cloud Platform environment</li>
</ul>
Requirements:
<ul>
<li>Advanced Python knowledge</li>
<li>Understanding ML principles</li>
<li>Strong understanding of designing high performance, fault-tolerant distributed software solutions</li>
<li>Experience creating and optimizing big data processes, pipelines, and architectures</li>
<li>Experience in streaming technologies like Spark streaming or Dataflow</li>
<li>Experience with Asynchronous messaging using Pub/Sub, Kafka, RabbitMQ, or alike</li>
<li>Familiarity with containerization technologies such as Docker and Kubernetes</li>
<li>Knowledge of CI/CD tools and processes such as Git, GitLab and Jenkins</li>
<li>Experience working with both relational and non-relational databases (BigQuery, BigTable, MySQL, Redis)</li>
<li>Familiarity with Unix/Linux OS and shell scripts</li>
<li>Strong organizational skills</li>
</ul>
Would be a plus:
<ul>
<li>5+ years developing data engineering solutions using public cloud solutions Google Cloud Platform/AWS/Azure or on-premise distributions</li>
</ul>

Senior Machine Learning Engineer &#8902; Tech

Senior Machine Learning Engineer

Job Overview
<ul>
<li>Improvement and support of a mobile application for Android in Java / Kotlin</li>
<li>Implementation of new functions</li>
<li>Quality control of implementation and code quality</li>
</ul>
Requirements
<ul>
<li>3+ years of commercial Android development experience</li>
<li>Strong knowledge of Java</li>
<li>Knowledge of OOP principles and design patterns</li>
<li>Implement custom UI elements</li>
<li>Ability to typeset Android interfaces and create interface animations</li>
<li>Ability to use code profiling tools, find and fix bottlenecks</li>
<li>Knowledge of English at least pre-intermediate</li>
<li>High level of autonomy at work</li>
</ul>
Nice-to-haves
<ul>
<li>Knowledge of Kotlin</li>
<li>Experience with Dagger2</li>
<li>Knowledge of the basics of reactive approach and functional programming</li>
</ul>

Android Software Engineer &#8902; Tech

Android Software Engineer

Requirements:
<ul>
<li>3+ years of experience in commercial development for iOS</li>
<li>Strong knowledge of Objective-C / Swift</li>
<li>Knowledge of OOP principles and design patterns</li>
<li>Implement custom UI elements</li>
<li>Be able to make up iOS interfaces and create interface animations</li>
<li>Ability to use code profiling tools, find and fix bottlenecks</li>
<li>Knowledge of English at least pre-intermediate</li>
<li>Ability and desire to work independently</li>
</ul>
Duties: 

<ul>
<li>Improvement and support of the mobile application for iOS in Objective-C / Swift</li>
<li>Implementation of new features</li>
<li>Quality control of implementation and code quality</li>
</ul>

iOS Software Engineer &#8902; Tech

iOS Software Engineer

What you will do:
<ul>
<li>Develop automation plans and review them with QA Lead and stakeholders</li>
<li>Write automated tests that are reusable, maintainable, and resilient to changes</li>
<li>Work closely with product owners and developers to understand the overall technical architecture and how each feature is implemented to improve the testability of our applications</li>
<li>Review user interfaces for conformity and functionality</li>
<li>Find, isolate, document, regress, and track bugs through resolution, manage and prioritize bug reports from internal and external stakeholders, always keeping their business value in mind (and in our Jira)</li>
<li>Interpret and report testing results, and be a vocal proponent for quality in every phase of the development process</li>
<li>Support the CI/CD efforts, propose test automation tooling and infrastructure, and work with the QA Infrastructure team to build and maintain it</li>
<li>Manage and support the release train process for both our Android and iOS platforms</li>
<li>Actively contribute to the quality strategy by providing valuable insights on test automation and software quality in general</li>
<li>Inspire engineers, designers and product owners to be quality conscious by providing comprehensible test reports</li>
</ul>
Who you are:
<ul>
<li>You have 3+ years experience in quality assurance, testing and debugging of native Android/iOS applications (Java/Kotlin/Objective-C/Swift) or backend in big scale projects</li>
<li>You have a ‘user first’ mindset. Our quality engineers are advocates for flawless user experiences</li>
<li>You are able to lead by example</li>
<li>You are proficient in at least one modern programming language such as Java/Kotlin, Swift</li>
<li>You have hands-on experience with test planning, test designing and execution, performance, and stress testing</li>
<li>You have experience working with a product team focused on delivering mobile applications</li>
<li>You are proficient in spoken and written English</li>
</ul>

Quality Engineer (Mobile) &#8902; Tech

Quality Engineer (Mobile)

Requirements:
<ul>
<li>Analytical thinking, ability and desire to work with numbers and analytics</li>
<li>Experience as a product manager / product owner in b2c segment 3+ years</li>
<li>Excellent skills of making surveys, finding respondents and so on</li>
<li>Mandatory B2C product with mobile solution (app) experience</li>
<li>B2+ English</li>
<li>Good understanding of general development principles, knowledge of the product life cycle</li>
<li>Experience using agile development methodologies with distributed teams (Feature Teams) and the ability to keep up with a fast-paced and global company</li>
<li>Skill to quickly, responsibly and efficiently perform any task, multitasking</li>
<li>Responsibility, high degree of self-organization, prioritization</li>
<li>Strong communication and leadership qualities</li>
<li>Availability</li>
<li>Higher technical education</li>
</ul>
Duties:
<ul>
<li>Product roadmap development for your dedicated product area</li>
<li>Execution of roadmap that was developed on step 1</li>
<li>Evaluation effectiveness of the implemented functionality in numbers</li>
<li>Finding insights from surveys, data and the market.</li>
<li>Problem solving in different areas: from users’ onboarding to monetisation and referral Delivery</li>
</ul>

Product Manager &#8902; Tech

Product Manager

Responsibilities:
<ul>
<li>Automate infrastructure components.</li>
<li>Develop pipelines within the framework of CI for projects.</li>
<li>Engage in the migration of infrastructure between data centers or technologies.</li>
<li>Participate in the launch of new projects.</li>
<li>Work within an agile framework.</li>
<li>React to monitoring events.</li>
<li>Advise developers and managers.</li>
</ul>
Requirements:
<ul>
<li>Higher technical education.</li>
<li>Work experience of at least 3 years as a systems engineer or SRE.</li>
<li>Experience with configuration management systems (Puppet / Chef / Ansible / Saltstack / Terraform / etc).</li>
<li>Development experience in any scripting language.</li>
<li>Good understanding of Linux-like operating systems.</li>
<li>Experience with application containerization systems and orchestration systems for them.</li>
<li>Experience with relational databases.</li>
<li>Experience with NoSQL solutions.</li>
<li>English at an intermediate level</li>
</ul>

DevOps Engineer &#8902; Tech

DevOps Engineer

Job Overview
<ul>
<li>You will apply engineering principles, operational discipline, and mature automation to our environments and will be proud of all this stuff</li>
<li>You will be on a PagerDuty rotation to prevent incidents from ever happening and you will not be alone. Every engineer at Tango cares about our users’ experience so we’re always willing to give a hand with issue resolution. We practice sustainable incident response and blameless postmortems</li>
<li>You will support services’ design, development and release through such processes as system design review, capacity planning, and launch review</li>
<li>You will develop a relationship with dev engineers, define their SLOs, help the engineering team meet SLOs and improve their services’ reliability</li>
<li>You will run our infrastructure with Terraform and Ansible</li>
<li>You will provide Disaster Recovery Plan, conduct DR trainings and develop a High Availability strategy for every piece of the system</li>
</ul>
Skills and experience required for this job
<ul>
<li>3+ years Linux administration experience</li>
<li>Experience with Ansible and Terraform</li>
<li>Strong skills in scripting and automation – bash, python</li>
<li>Experience with Databases troubleshooting (MySQL/Redis/Mongo)</li>
<li>Experience with Kubernetes and containerizing systems</li>
<li>Intermediate level of English (written and spoken)</li>
</ul>
Nice-to-haves
<ul>
<li>Production support experience in public cloud environments (GCP, AWS, Azure)</li>
<li>Experience with Prometheus, Grafana monitoring and integrations with Slack/PagerDuty</li>
<li>Experience supporting highly loaded solutions (from 10K rps or 1 PB per month)</li>
</ul>

Site Reliability Engineer &#8902; Tech

Site Reliability Engineer

Responsibilities:
<ul>
<li>Design and develop new low latency video platform &#8211; both client and server side</li>
<li>Maintain existing codebase and gradually rewrite it to new technology stack</li>
<li>Optimize code to achieve better performance</li>
<li>The system has to be ready to high load</li>
<li>Work together with the OPS team to address production issues</li>
</ul>
Requirements:
<ul>
<li>Writing code in a clean and maintainable manner</li>
<li>Hands on experience with С++ 11/14/17</li>
<li>Solid understanding of Video streaming via RTMP/RTP/WebRTC/SRT</li>
<li>Experience with Android MediaCodec, Android NDK, JNI</li>
<li>Excellent problem finding and solving skills</li>
<li>Good communication skills</li>
<li>Works in agile team</li>
<li>Intermediate English</li>
</ul>

Senior C++ developer (video platform) &#8902; Tech

Senior C++ developer (video platform)

<h4 data-renderer-start-pos="359">What you will do:</h4>
<ul>
<li data-renderer-start-pos="380">Write automated tests that are reusable, maintainable, and resilient to changes</li>
<li data-renderer-start-pos="463">Improve our automation test framework</li>
<li data-renderer-start-pos="504">Improve our CI pipeline</li>
<li data-renderer-start-pos="531">Improve test automation infrastructure</li>
<li data-renderer-start-pos="573">Work closely with development team</li>
</ul>
<h4 data-renderer-start-pos="611">Who you are:</h4>
<ul>
<li data-renderer-start-pos="627">You have 3-5 years&#8217; experience in designing, implementing, executing and analyzing automated tests for complex, production system software</li>
<li data-renderer-start-pos="769">You are proficient in Java or Kotlin</li>
<li data-renderer-start-pos="809">You are proficient in automation test design</li>
<li data-renderer-start-pos="857">You have good knowledge of REST API, understanding microservices architecture</li>
<li data-renderer-start-pos="938">Experience with CI systems (GitLab, Jenkins)</li>
<li data-renderer-start-pos="986">Experience managing Docker containers</li>
<li data-renderer-start-pos="1027">Basic SQL knowledge</li>
<li data-renderer-start-pos="1050">Hands-on experience with various backend automation frameworks and tools</li>
<li data-renderer-start-pos="1126">Hands-on experience of working projects on Google Cloud Platform, AWS or Azure</li>
<li data-renderer-start-pos="1208">You are proficient in spoken and written English</li>
</ul>

Java/Kotlin Automation Engineer &#8902; Tech

Java/Kotlin Automation Engineer

<h4 data-renderer-start-pos="649">Who you are:</h4>
<ul>
<li data-renderer-start-pos="665">You have 1+ year experience in native android tests development using Espresso or UIAutomator</li>
<li data-renderer-start-pos="762">You are proficient in Java or Kotlin</li>
<li data-renderer-start-pos="802">You are proficient in automation test design</li>
</ul>
<h4 data-renderer-start-pos="359">What you will do:</h4>
<ul>
<li data-renderer-start-pos="359">Develop and review automation tests for android application that are reusable, maintainable, and resilient to changes</li>
<li data-renderer-start-pos="501">Improve our automation test framework</li>
<li data-renderer-start-pos="542">Improve our CI pipeline</li>
<li data-renderer-start-pos="569">Improve test automation infrastructure</li>
<li data-renderer-start-pos="611">Work closely with development team</li>
</ul>

SDET (Android) &#8902; Tech

SDET (Android)

Tango QA Team is looking for a qualified Software Development Engineer in Test with experience in iOS automated tools and strong knowledge of Swift, who has a great desire to design, develop, and support the iOS application testing framework.
<h4>Requirements:</h4>
<ul>
<li>Experience with iOS automated testing tools: XCUITest is important for us, knowledge of EarlGrey / KIF / Quick / Nimble will be a plus</li>
<li>Knowledge of Swift</li>
<li>Knowledge of mobile applications ecosystem development, the ability to design complex software solutions</li>
<li>Ability to define, aggregate, and automate work with performance metrics</li>
<li>Ability to plan the development process, prioritize and decompose task</li>
</ul>
<h4>Responsibilities:</h4>
<ul>
<li>Design, development, and support of the iOS application testing framework</li>
<li>Support, development, and improvement of test infrastructure</li>
<li>Cooperation with the development team to improve the final product</li>
</ul>
<h4>Will be a plus:</h4>
<ul>
<li>Experience in testing and API test automation</li>
<li>Experience with Allure</li>
<li>Knowledge of CI/CD, Jenkins/TeamCity, Docker</li>
<li>System approach to solving complex problems</li>
<li>Perfectionism, following clean/dry methodologies</li>
</ul>

Software Development Engineer in Test (iOS, XCTest/Swift) &#8902; Tech

Software Development Engineer in Test (iOS, XCTest/Swift)

Requirements:
<ul>
<li>5+ years of experience in Android development</li>
<li>Experience of managing a team of developers</li>
<li>Solid knowledge of Java/Kotlin</li>
<li>Understanding OOP and design patterns</li>
<li>Knowledge of layout Android UI and experience in creating UI animations</li>
<li>English: Upper-Intermediate</li>
</ul>
Would be great to have:
<ul>
<li>Dugger2 experience;</li>
<li>Experience with live streaming platforms;</li>
<li>Reactive and functional codding skills</li>
</ul>
Responsibilities:
<ul>
<li>Design and develop applications for the Android platform</li>
<li>Implement new functionalities</li>
<li>Quality control</li>
<li>Ability and desire to work independently</li>
</ul>

Senior/Team Lead Android developer &#8902; Tech

Senior/Team Lead Android developer

What you’ll do:
<ul>
<li>You will apply engineering principles, operational discipline, and mature automation to our environments and will be proud of all this stuff</li>
<li>You will be on a PagerDuty rotation to prevent incidents from ever happening and you will not be alone. Every engineer at Tango cares about our users’ experience so we’re always willing to give a hand with issue resolution. We practice sustainable incident response and blameless postmortems.</li>
<li>You will support services’ design, development and release through such processes as system design review, capacity planning, and launch review</li>
<li>You will develop a relationship with dev engineers, define their SLOs, help the engineering team meet SLOs and improve their services’ reliability</li>
<li>You will run our infrastructure with Terraform and Ansible</li>
<li>You will provide Disaster Recovery Plan, conduct DR trainings and develop a High Availability strategy for every piece of the system</li>
</ul>
What skills and experience are required for this job:
<ul>
<li>5+ years Linux administration experience</li>
<li>Experience with Ansible and Terraform</li>
<li>Strong skills in scripting and automation — bash, python</li>
<li>Experience with Databases troubleshooting (MySQL/Redis/Mongo)</li>
<li>Experience with Kubernetes and containerizing systems</li>
<li>Intermediate level of English (written and spoken)</li>
</ul>
Would be a plus also:
<ul>
<li>Production support experience in public cloud environments (GCP, AWS, Azure)</li>
<li>Experience with Prometheus, Grafana monitoring and integrations with Slack/PagerDuty</li>
<li>Experience supporting highly loaded solutions (from 10K rps or 1 PB per month)</li>
</ul>

Lead Site Reliability Engineer &#8902; Tech

Lead Site Reliability Engineer

Requirements:
<ul>
<li>3+ years of experience in commercial development for iOS</li>
<li>Strong knowledge of Objective-C / Swift</li>
<li>Knowledge of OOP principles and design patterns</li>
<li>Implement custom UI elements</li>
<li>Be able to make up iOS interfaces and create interface animations</li>
<li>Ability to use code profiling tools, find and fix bottlenecks</li>
<li>Ability and desire to work independently</li>
<li>English: Intermediate</li>
</ul>
Responsibilities:
<ul>
<li>Improvement and support of the mobile application for iOS in Objective-C / Swift</li>
<li>Implementation of new functions</li>
<li>Quality control of implementation and code quality</li>
</ul>

Senior/Lead iOS Developer &#8902; Tech

Senior/Lead iOS Developer

What you will do: 
— Develop automation plans and review them with QA Lead and stakeholders 
— Write automated tests that are reusable, maintainable, and resilient to changes 
— Work closely with product owners and developers to understand the overall technical architecture and how each feature is implemented to improve the testability of our applications 
— Review user interfaces for conformity and functionality 
— Find, isolate, document, regress, and track bugs through resolution, manage and prioritize bug reports from internal and external stakeholders, always keeping their business value in mind (and in our Jira) 
— Interpret and report testing results, and be a vocal proponent for quality in every phase of the development process 
— Support the CI/CD efforts, propose test automation tooling and infrastructure, and work with the QA Infrastructure team to build and maintain it 
— Manage and support the release train process for both our Android and iOS platforms 
— Actively contribute to the quality strategy by providing valuable insights on test automation and software quality in general 
— Inspire engineers, designers and product owners to be quality conscious by providing comprehensible test reports
Who you are: 
-You have 3+ years experience in quality assurance, testing and debugging of native Android/iOS applications (Java/Kotlin/Objective-C/Swift) or backend in big scale projects 
-You have a ‘user first’ mindset. Our quality engineers are advocates for flawless user experiences 
-You are able to lead by example 
-You have basic programming knowledge of one modern programming language such as Java/Kotlin, Swift 
-You have hands-on experience with test planning, test designing and execution, performance, and stress testing 
-You have experience working with a product team focused on delivering mobile applications 
-You are proficient in spoken and written English

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