Senior Network Engineer jobs at Playtika in Ukraine

• Maintain and improve existing monitoring configurations (alerts, dashboards, service discovery, scrape configs, etc.)
• Implement and enhance alerting logic, including threshold tuning and dynamic alert conditions
• Troubleshoot monitoring and metrics-related issues (e.g., missing data, false alerts, broken dashboards)
• Support and improve self-developed metrics collectors and Python-based monitoring services
• Assist NOC and SRE teams with alert deduplication, escalation rules, and alert quality improvements
• Participate in design and implementation of observability improvements for new services and infrastructure components
• Review, modify, and extend existing scripts and plugins (primarily Python and Bash)
• Provide monitoring-related guidance to development, infrastructure, and operations teams
• Ensure monitoring tools and services operate reliably within Kubernetes clusters and Linux systems
• Maintain monitoring configuration in Git and follow internal version control best practices
• Participate in cross-team initiatives to improve the overall monitoring and incident response ecosystem

• Strong hands-on experience with Linux systems (primarily Ubuntu)
• Practical knowledge of Prometheus ecosystem, VictoriaMetrics, Grafana, and Zabbix
• Experience supporting monitoring systems in Kubernetes-based infrastructure
• Solid scripting skills (Bash)
• Familiarity with Git and common version control workflows
• Good understanding of networking and infrastructure concepts (ports, protocols, DNS, etc.)
• Ability to troubleshoot metric collection, alert firing, and data visualization issues
• Basic knowledge of SQL (e.g., for querying time-series or metadata stores)
• Strong communication skills for cross-functional collaboration

• Understanding of high-availability and failover patterns in observability systems
• Experience working with SLO/SLA-based alerting or anomaly detection mechanisms
• Exposure to automation and CI/CD pipelines for monitoring infrastructure

• Collaborating in a Scrum team to deliver a new features from technical design to post launch support for Slotomania
• Optimize of the game to meet modern standards of performance and usability, ensuring seamless smooth gameplay
• Implement solutions adhering to best practices in software design, including SOLID principles, IoC, and OOP methodologies

• 4+ experience with JavaScript and Typescript
• SOLID, IoC, OOP, Software Design Patterns, client/server architecture
• In-depth knowledge of CI/CD
• High comfort level extending and improving an established codebase
• Experience unit testing or functional testing, instrumentation, and test harnesses
• Experience in version-control system Git|SVN
• English Intermediate
• Being familiar with SCRUM Agile development framework

• Gamedev experience
• Experience with graphic engines on JS TS
• Experience with other programming languages
• Experience in performance analysis and code optimization
• Experience in cross-platform programming

• Annual company bonus
• Competitive salary & flexible working hours
• Daily breakfast, lunch, and office refreshments
• Private health insurance, dental coverage, and psychological counseling
• 20 paid vacation days and 5 sick days per year
• 6 long weekends and 1 day off for your birthday
• Gifts for special occasions (birthday, Easter, Christmas, Women’s and Men’s Day, weddings, childbirth, etc.)
• Technical library with the option to order books
• Access to our educational platform with courses, training programs, and certifications
• Career development through coaching and reviews
• Internal mobility & referral program
• Corporate celebrations, team-building events, and fun activities
• Personal care in the office (nails, eyebrows, and barber services)
• Modern offices (Kyiv, Vinnytsia, Dnipro) with organized shuttle buses to and from the office

• Design data science, statistical, machine learning and deep learning systems that influence millions of players
• Implement and optimize appropriate ML algorithms and tools for time series and tabular data
• Transform data science prototypes into full-scale products, while deploying and monitoring ML models
• Run live tests and experiments
• Train and retrain systems when necessary
• Create or extend existing ML libraries and frameworks
• Collaborate with other scientists, engineers, architects and analysts spread across several countries

• MSc in Computer Science, or any related degree
• Solid working experience in Python and Java - high coding standards, clean code, well documented, and extensive unit testing- Must.
• Experience working with databases (SQL and no-SQL)
• Experience with Scala
• Experience with training, testing, deployment, and monitoring real-time (or near real-time) machine learning models in production
• Experience with machine learning frameworks (like Keras, Tensorflow, or PyTorch) and libraries (like scikit-learn) - Big Advantage.
• Experience with Big Data tools, in particular batch and stream processing (Spark, Kafka, Hadoop, Hive, etc.) - Must
• Good understanding of container & orchestration technologies (Docker, Kubernetes, etc.) - Must
• Experience working on high-scale, production-grade projects
• All-around team player who is a self-motivated, fast learner

• Design, develop, and execute detailed manual test cases based on product requirements and user stories.
• Lead and own QA efforts for multiple projects or components.
• Collaborate with cross-functional teams (Product, Development, BI, SA) to clarify requirements and identify edge cases.
• Perform functional, regression, integration, system, UI/UX, and acceptance testing.
• Identify, document, and track defects using bug tracking tools (JIRA).
• Participate in Agile/Scrum ceremonies and contribute to test planning and estimation.
• Assist in root cause analysis and post-release verification of production issues.
• Advocate for quality across the development lifecycle and help improve QA best practices.

• Strong understanding of QA methodologies, tools, and processes.
• Experience writing and executing test cases
• Solid knowledge of SDLC and Agile/Scrum environments.
• Familiarity with tools such as JIRA, Confluence, TestRail.
• Strong attention to detail, analytical thinking, and problem-solving skills.
• Excellent written and verbal communication skills.
• Experience working with cross-functional global teams.
• Ability to work independently and manage multiple tasks in a fast-paced environment.

• Experience in API testing using tools like Postman or Swagger.
• Basic knowledge of SQL and ability to validate backend data.

• Competitive salary, performance-based bonuses and flexible working hours
• Social package, including sports and enrichment classes compensation, medical insurance with dental coverage
• Own educational platform with courses, training programs, certifications
• Annual salary review
• 20 working days paid vacation and sick leave
• Corporate celebrations, team buildings and fun activities
• Free meals twice a day, refreshments
• Technical library with option to order books
• Coaching and reviews to support your career development
• Internal mobility program
• Help and support for candidates from other cities
• Working for one of the top social gaming companies in the world

is looking for a skilled and motivatedto join our global Data Infrastructure team. In this role, you’ll be responsible for the reliability, performance, and operational excellence of the databases that power our live game studios across multiple regions and time zones. You’ll work with a diverse set of database technologies in a highly distributed, high-scale environment.

• Operate and maintain production-grade relational and columnar databases across global game studio environments
• Optimize performance and ensure high availability for mission-critical PostgreSQL instances
• Support and troubleshoot MariaDB and SingleStore deployments (experience is a plus)
• Handle database provisioning, schema management, and tuning for OLTP and analytical workloads
• Write, review, and optimize complex SQL queries and stored procedures
• Collaborate with development, DevOps, and data engineering teams on design, monitoring, and scaling database systems
• Participate in on-call rotations and incident response as part of a global team
• Contribute to automation and standardization of DBA tasks where possible

• 3–5 years of experience as a production DBA, preferably in a 24/7 global environment
• Strong hands-on experience with PostgreSQL – must-have
• Experience working with MariaDB and/or SingleStore – strong advantages
• Deep knowledge of SQL , including performance tuning, query optimization, and execution plan analysis
• Solid understanding of replication, failover strategies, and backup/recovery processes
• Familiarity with Linux-based environments and scripting for automation
• Experience working with monitoring and alerting tools (e.g., Prometheus, Grafana, or similar)
• Work with Infrastructure as Code (IaC) frameworks for automated database provisioning (Terraform, Ansible, or similar) a plus
• Excellent communication skills and ability to work collaboratively across teams

• Manage and maintain network equipment, ensuring reliability and optimal performance
• Troubleshoot and resolve network issues, including protocol and connectivity problems
• Configure and manage dynamic routing protocols such as OSPF and BGP
• Implement and oversee network protocols including VLAN, VXLAN, LACP/MLAG/MC-LAG, and EVPN
• Optimize and maintain Kubernetes networking and VMware NSX environments
• Manage load balancing solutions, utilizing F5 BIG-IP and IPVS
• Ensure the security and efficiency of web protocols and connectivity

• Experience with Network Equipment
• Experience with network protocols includingEVPN, VXLAN, Routing Protocols (BGP, OSPF, etc.)
• Network Experience and Troubleshooting Skills
• Upper-Intermediate English

• Load Balancing Expertise
• SAN (Storage Area Network) Experience/Understanding

• Annual company bonus
• Competitive salary & flexible working hours
• Daily breakfast, lunch, and office refreshments
• Private health insurance, dental coverage, and psychological counseling
• 20 paid vacation days and 5 sick days per year
• 6 long weekends and 1 day off for your birthday
• Gifts for special occasions (birthday, Easter, Christmas, Women’s and Men’s Day, weddings, childbirth, etc.)
• Technical library with the option to order books
• Access to our educational platform with courses, training programs, and certifications
• Career development through coaching and reviews
• Internal mobility & referral program
• Corporate celebrations, team-building events, and fun activities
• Personal care in the office (nails, eyebrows, and barber services)
• Modern offices (Kyiv, Vinnytsia, Dnipro) with organized shuttle buses to and from the office

• · Automation stack including TypeScript, Node.js, Playwright
• · CI/CD pipelines using TeamCity, Jenkins
• · Containerized testing environments with Kubernetes, Docker
• · Cross-platform game testing (web, iOS, Android)
• · Integration with game analytics and backend services
• · High-load testing scenarios for game servers built with Go
• · Unity-based game client testing and integration
• · Complex frontend testing for interactive game elements

• · Design, develop and maintain automated test frameworks using Java
• · Create reliable and scalable UI automation tests for mobile, and Unity-based game interfaces
• · Integrate automation solutions into the CI/CD workflow (TeamCity, Jenkins)
• · Support and optimize existing test infrastructure in containerized environments
• · Develop API test automation for Go-based backend game services
• · Work with development teams using Unity and Go to ensure testability
• · Collaborate with development teams to implement testability into product design
• · Identify opportunities for test coverage improvement and automation efficiency
• · Analyze test results and provide detailed failure reports
• · Participate in cross-studio knowledge sharing and best practices implementation
• · Set up monitoring for automated test execution and results
• · Document automation strategies, frameworks, and processes for knowledge transfer

• · 3+ years of experience in test automation
• · Strong programming skills in Java
• · Experience with modern test automation frameworks (Playwright, Cypress, or similar)
• · Knowledge of CI/CD pipelines and integration of automated testing
• · Understanding of software development processes and QA methodologies
• · Experience with version control systems
• · Strong analytical and problem-solving skills
• · Well-developed soft skills and team collaboration abilities
• · Experience adapting testing approaches to different technology stacks
• · Intermediate to advanced English proficiency (good speaking and writing skills)

• · Experience with Unity game testing and understanding of Unity-specific game mechanics
• · Familiarity with C# for Unity test integration
• · Knowledge of containerization technologies (Docker, Kubernetes)
• · Experience with Go programming language basics for backend test automation
• · Experience testing Go microservices and REST APIs
• · Experience with performance and load testing automation
• · Familiarity with mobile test automation frameworks
• · Understanding of test data management strategies
• · Experience with API testing tools and frameworks
• · Knowledge of testing in cloud environments
• · Understanding of accessibility testing
• · Basic knowledge of backend systems and database testing

• Competitive salary, performance-based bonuses and flexible working hours
• Social package, including sports and enrichment classes compensation, medical insurance with dental coverage
• Own educational platform with courses, training programs, certifications
• Annual salary review
• 20 working days paid vacation and sick leave
• Corporate celebrations, team buildings and fun activities
• Free meals twice a day, refreshments
• Technical library with option to order books
• Coaching and reviews to support your career development
• Internal mobility program
• Help and support for candidates from other cities
• Working for one of the top social gaming companies in the world