SpeedlineHub

Job description

Our client is an international product-based IT company specializing in the iGaming industry. Founded in 2014, the company quickly became a leader in the CIS region and is now expanding globally.

We are currently looking for a Senior Golang Developer.

📋 Key responsibilities and your contribution:

• Developing and maintaining microservices in Go
• Participating in architectural design (DDD, Event Sourcing, SOLID, Design Patterns)
• Integrating with external systems via API (REST, gRPC, WebSocket)
• Optimizing performance and resiliency (Pprof, tracing, etc.)
• Implementing and maintaining monitoring and logging systems (Prometheus, Grafana, ELK, etc.)
• Working with message brokers (Kafka, RabbitMQ)
• Writing tests: unit, integration, TDD
• Working with SQL and NoSQL databases, caches, and migrations
• Code review, participation in CI/CD processes (GitLab CI, linters)
• Participating in task planning, decomposition, and estimation (Agile, Scrum/Kanban)
• Mentoring junior developers and contributing to the hiring process

📚 Your qualifications:

• Expertise in Go with 4+ years of hands-on experience
• Strong understanding of Go core concepts: data structures, interfaces, goroutines, channels, defer, context, memory model
• Experience with Go packages and frameworks: sync, runtime, profiling tools, race detector, Gin, Echo, Go-Kit, Beego
• Knowledge of software architecture and design: DDD, Event Sourcing, 12-Factor App, SOLID principles, design patterns, microservices
• Experience building fault-tolerant, observable systems
• Proficiency in testing and related tools: unit, integration, performance, security; go test, httptest, Testify
• Strong understanding of algorithms, data structures, and complexity
• Hands-on experience with monitoring and logging tools: Sentry, Prometheus, Grafana, Alertmanager, ELK stack, OpenTelemetry, Jaeger
• Experience working with databases and caching: PostgreSQL, MySQL, MongoDB, ACID, indexes, transactions, replication, migrations
• Good understanding of APIs and networking: HTTP/1.1, HTTP/2, REST, gRPC, WebSocket, OSI model, TCP/UDP
• Experience in API debugging and network troubleshooting

➕ Nice to have:

• Experience with Highload systems
• Understanding of ISO 27001, GDPR, PCI/DSS compliance
• Contributions to Open Source or a public GitHub profile

Benefits:

⭐ Days of recovery: 20 paid vacation day per year and unlimited sick leave days.
⭐ Health: corporate medical insurance, a company psychologist and a Cafeteria of Benefits for personal wellness choices.
⭐ Education: a variety of foreign languages course for you to choose from. Also we are open for your development and you can choose different courses /training for improving your skills.
⭐ Compensation: additional benefits that can be used according to company policy, e.g. paid business trips, international conference opportunities, lunch perks at our offices etc.
⭐ Work Environment: work remotely or from one of our offices in Cyprus, Portugal, Poland, equipped with the equipment you’ll need for success.

Our client is an international product-based IT company specializing in the iGaming industry.
Founded in 2014, the company quickly became a leader in the CIS region and is now expanding globally.

We are currently looking for a Team Lead of Retention.

🗺️ Location: EU.

📋 Key responsibilities and your contribution:

• Developing and implementing customer retention strategies to improve key metrics.

• Creating automated user engagement workflows, including segmentation, personalization, and performance analysis.

• Managing projects and campaigns within retention and automation.

• Using analytical tools to identify growth opportunities and generate hypotheses.

• Analyzing retention campaigns to improve their effectiveness and profitability.

• Developing comprehensive customer retention plans leveraging automation and multi-level engagement sequences.

• Leading a team and collaborating with stakeholders and other departments.

📚 Your qualifications:

• Work experience as a Retention Manager or Team Lead for at least three years in the iGaming niche.

• Experience working with various CRM systems and communication channels.

• Strong understanding of the technical aspects of launching automated campaigns.

• Knowledge of different elements of building a retention strategy: tone of voice, email marketing and deliverability, segmentation, personalization.

• Experience using analytical tools, developing and testing hypotheses.

• understanding of iGaming product metrics.

• Proactive, initiative-driven, and results-oriented.

• Ability to work collaboratively within a team and provide effective leadership.

• Strategic thinking and a clear vision of the “big picture.”

• Strong time management skills, with a focus on prioritizing tasks and assessing timelines.

• Attention to detail and high concentration at work.

• Ability to make independent decisions based on data and logic.

Benefits:

⭐ Days of recovery: 20 paid vacation day per year and unlimited sick leave days.
⭐ Health: corporate medical insurance, a company psychologist and a Cafeteria of Benefits for personal wellness choices.
⭐ Education: a variety of foreign languages course for you to choose from. Also we are open for your development and you can choose different courses /training for improving your skills.
⭐ Compensation: additional benefits that can be used according to company policy, e.g. paid business trips, international conference opportunities, lunch perks at our offices etc.
⭐ Work Environment: work remotely or from one of our offices in Cyprus, Portugal, Poland, equipped with the equipment you’ll need for success.

Our client is an international product-based IT company specializing in the iGaming industry. Founded in 2014, the company quickly became a leader in the CIS region and is now expanding globally.

We are currently looking for a Lead QA Automation.

📋 Key responsibilities and your contribution:

— Define and implement a comprehensive quality strategy across UI, API, and performance layers.

— Design, build, and maintain Playwright automation frameworks (UI & API) following best practices for scalability, stability, and maintainability.

— Develop and manage performance and load testing scenarios using k6 — including ramp-up profiles, thresholds, data parameterization, and result analysis.

— Integrate automated tests into GitLab CI/CD pipelines, ensuring fast, reliable, and transparent execution.

— Lead and mentor QA engineers through code reviews, training, and personal development plans.

— Collaborate with architects and developers to define testable requirements, acceptance criteria, and SLO/SLA metrics.

— Track and continuously improve quality KPIs (defect leakage, flaky rate, coverage, MTTD/MTTR).

— Maintain test data and environment management strategies, using mocks, stubs, and contract testing when necessary.

— Drive continuous improvement and promote a shift-left testing culture across teams.

📚 Your qualifications:

— 5+ years of experience in QA, including 2+ years in a Lead or Senior Automation role.

— Strong TypeScript/JavaScript skills (3+ years) with hands-on experience in Playwright (fixtures, projects, traces, parallel execution, retries).

— Proven track record of building automation frameworks from scratch — including structure, configuration, reporting, and CI integration.

— Solid experience with k6: writing JS-based load tests, configuring thresholds, designing ramp/spike/soak tests, and analyzing metrics.

— Experience with performance monitoring tools (Prometheus, Grafana).

— CI/CD proficiency: GitHub Actions or GitLab CI (parallelization, caching, artifact management).

— Strong background in API testing (REST/GraphQL), contract testing (Pact/OpenAPI), and tools like Postman or Newman.

— Working knowledge of SQL and basic NoSQL databases (querying, seeding, transactions).

— Familiarity with Docker and cloud environments (AWS/GCP/Azure).

— Understanding of clean test design principles (SOLID, test pyramid, modular architecture).

— Skilled in debugging, log analysis, and using observability tools.

— English level: A2-B1 (comfortable with documentation).

➕ Nice to have:

— Experience in high-load domains such as gambling, fintech, or large-scale web platforms.

— Understanding of microservices testing: messaging systems (Kafka), contract testing, and event-driven verification.

— Familiarity with security testing practices (OWASP, SAST/DAST tools).
 

Benefits:

⭐ Days of recovery: 20 paid vacation day per year and unlimited sick leave days.
⭐ Health: corporate medical insurance, a company psychologist and a Cafeteria of Benefits for personal wellness choices.
⭐ Education: a variety of foreign languages course for you to choose from. Also we are open for your development and you can choose different courses /training for improving your skills.
⭐ Compensation: additional benefits that can be used according to company policy, e.g. paid business trips, international conference opportunities, lunch perks at our offices etc.
⭐ Work Environment: work remotely or from one of our offices in Cyprus, Portugal, Poland, equipped with the equipment you’ll need for success.

Our client is an international product-based IT company specializing in the iGaming industry. Born in 2014, they rocked the CIS region, and now take the success to the world. 

We are currently looking for a Senior DevOps Engineer

📋 Key responsibilities and your contribution:

• Virtualization: Design and operation of Proxmox VMs, administration of Kubernetes production clusters, lifecycle management automation.
• Network Infrastructure (NOC): Configuration and maintenance of iBGP, Cisco router setup (Spine-Leaf topology), implementation of Service Mesh (Istio/Linkerd) with mTLS.
• Storage: Deployment and operation of Ceph clusters, working with SAN/NAS systems, performance optimization.
• IaC & Automation: Declarative infrastructure management (Terraform/Ansible), automation of dev/stage/prod environments, CI/CD for infrastructure code (GitLab CI).
• Observability: Building monitoring for network and virtualization stacks (Prometheus, Grafana, ELK, OpenTelemetry), SLA alerting configuration.
• Hardware: Working with server hardware, implementing high availability, capacity planning.

📚 Your qualifications:

• 5+ years of experience as a DevOps engineer
• Practical experience with Proxmox VM / VmWare / KVM
• Experience administering Kubernetes in production
• Network technologies (NOC)
• Practical experience in configuring and supporting iBGP
• Understanding of Spine-Leaf architecture for inter-data center interaction
• Experience in building fault-tolerant network solutions
• Practical experience with Ceph (distributed storage)
• Infrastructure as Code (Terraform, Ansible, or similar)
• Bash/Python for automation
• Experience building observability stacks
• Understanding metrics for network and virtualization levels
• ELK stack or similar for centralized logging

➕ Nice to have:

• Experience with OpenStack, Ovirt, KVM
• Cisco certification
   

Benefits:

⭐ Days of recovery: 20 paid vacation day per year and unlimited sick leave days.
⭐ Health: corporate medical insurance, a company psychologist and a Cafeteria of Benefits for personal wellness choices.
⭐ Education: a variety of foreign languages course for you to choose from. Also we are open for your development and you can choose different courses /training for improving your skills.
⭐ Compensation: additional benefits that can be used according to company policy, e.g. paid business trips, international conference opportunities, lunch perks at our offices etc.
⭐ Work Environment: work remotely or from one of our offices in Cyprus, Portugal, Poland, equipped with the equipment you’ll need for success.

Our client is an international product-based IT company specializing in the iGaming industry. Born in 2014, they rocked the CIS region, and now take the success to the world.

We are currently looking for a Python Developer to join the Core team.

👥 About the team:

The Core team is responsible for the mission-critical services of the platform: user management (IAM), financial transactions, anti-fraud, and event history.
We are actively decomposing a legacy monolith (Python/Tornado) and rewriting critical parts of the system using a modern tech stack.

📋 Key responsibilities and your contribution:

• Decomposing the monolith by extracting functionality from the Core service (Python 3.6+/Tornado) into microservices
• Developing and supporting services for transaction processing (a business-critical area)
• Designing asynchronous processes with RabbitMQ/Kafka
• Optimizing MongoDB (shared database antipattern) and migrating services to PostgreSQL
• Integrating with internal payment systems and external anti-fraud providers
• Refactoring heavily debt-loaded code (tech debt 9/10) and increasing test coverage (currently <20%)
• Building and optimizing server-side applications and microservices for processing data
• Setting up and maintaining integrations with external financial systems, payment gateways
• Writing unit tests, conducting integration testing, optimizing performance, and debugging code issues

📚 Your qualifications:

• 4+ years of experience with Python (working with both legacy and modern code)
• Strong knowledge of PostgreSQL and MongoDB in production
• Experience with asynchronous programming (asyncio, multithreading)
• Solid skills in SQL and ORM usage (we are migrating to PostgreSQL)
• Hands-on experience with high-load systems
• Strong debugging, optimization, and problem-solving skills
• Excellent communication skills to collaborate with technical and non-technical stakeholders

➕ Nice to have:

• Experience decomposing monoliths into microservices
• ORM optimization via RAW queries
• FastAPI framework knowledge
• Familiarity with GoLang or Node.js
• Experience with RabbitMQ/Kafka
• Previous work with financial systems or payment solutions
• Experience with Redis

Our client is an international product-based IT company specializing in the iGaming industry. Born in 2014, they rocked the CIS region, and now take the success to the world.

We are currently looking for a Product manager to join our team.

👥 About the team:
This team is working on integrating a new CMS system and potentially will be involved in other areas. The main focus is on platform development, including adding new features, as well as the development of the mobile app.

📋 Key responsibilities and your contribution:

• Act as a product manager on the self-written platform working with a variety of internal services
• Lead the initiative team focused on the multibrand direction, working along with project manager and business owner to ensure alignment with the business goals
• Work on enhancing the current functionality of internal admin panels
• Play a leading role integrating 3rd party solutions to extend the platform offerings
• Embrace accountability for decisions success in your initiative team. Set standards for ownership within the team
• Create new features that would make the platform competitive on the market
• Work closely with stakeholders, design and tech leads to ensure consistent delivery and stable work of team's services
  Integrate effort, risk, and maintenance cost into roadmap planning. Communicate trade-offs
• Interpret product and user data to identify patterns, generate insights, and recommend actionable next steps
• Drive a structured discovery process and translate insights into prioritized product goals that deliver meaningful customer and business value
• Collaborate with Research team to define success metrics for experiments, frame hypotheses, and incorporate insights into planning
• Optimize initiative processes to improve delivery, reduce risk, and increase velocity. Identify bottlenecks and resolve them cross-functionally
   

📚 Your qualifications:

• Experience: 4+ years in iGaming (B2B platform preferably)
• Experience working with JIRA, Tableau (or similar)
• Strong ability to define and communicate product requirements across multiple cross-functional teams
• Proficiency in making decisions based on metrics and/or market insights
• Confidence delivering uncomfortable truth to C-lvl management
• Strong communication skills
• Solid organizational skills being able to work independently aligning with the overall business goals
• Optional: experience working with Figma

Our client is an international product-based IT company specializing in the iGaming industry. Founded in 2014, the company quickly became a leader in the CIS region and is now expanding globally.
We are currently looking for a part-time AML Officer.

📋 Key responsibilities and your contribution:

• Designing and launching AML processes for a new product from scratch
• Setting up CDD / EDD procedures and ongoing monitoring at the initial operational stage
• Identifying, investigating, and escalating suspicious activities within the newly launched platform
• Preparing SAR/STR reports and establishing interaction with regulators
• Developing and implementing AML/KYC policies, procedures, and internal controls for the new product
• Participating in licensing of the new product and initial regulatory audits

• Building cooperation with PSPs and internal teams during platform launch

   

📚 Your qualifications:

• 3+ years of professional AML/KYC experience in iGaming/international banks/payment institutions/EMI/PSP or fintech companies.
• Proven experience in developing and implementing AML policies and procedures
• Hands-on experience with client onboarding and transaction monitoring
• Strong knowledge of AML regulations
• English level B2+
• Ability to independently build AML operations

Benefits:

⭐ Days of recovery: 20 paid vacation day per year and unlimited sick leave days.
⭐ Health: corporate medical insurance, a company psychologist and a Cafeteria of Benefits for personal wellness choices.
⭐ Education: a variety of foreign languages course for you to choose from. Also we are open for your development and you can choose different courses /training for improving your skills.
⭐ Compensation: additional benefits that can be used according to company policy, e.g. paid business trips, international conference opportunities, lunch perks at our offices etc.
⭐ Work Environment: work remotely or from one of our offices in Cyprus, Portugal, Poland, equipped with the equipment you’ll need for success.

Our client is an international product-based IT company specializing in the iGaming industry.
Founded in 2014, the company quickly became a leader in the CIS region and is now expanding globally.
We are currently looking for a Head of Retention.

📋 Key responsibilities and your contribution:

• Develop and implement the overall player retention strategy across all verticals and communication channels (email, push, SMS, in-app, messengers, call center).
• Lead and manage the Retention team, call center, and copywriters: hiring, training, motivation, and performance evaluation.
• Analyze market trends and competitors, introduce new technologies, tools, and approaches (including AI/ML).
• Oversee and improve internal CRM and retention tools, manage technical issues and task prioritization.
• Build and develop analytics: segmentation, cohort analysis, hypothesis testing, and evaluating impact on LTV, ARPU, and churn.
• Enhance loyalty programs and VIP player communication, improving efficiency of high-value player management.
• Scale personalized campaigns and automated trigger journeys; collaborate with the Promo team on bonuses, promotions, and tournaments.
• Plan, manage, and optimize the retention budget.
• Select and manage communication providers (SMS/email), ensure deliverability and quality of messaging.
• Collaborate with Product, Marketing/Affiliate, Analytics, Billing/Payments, Operations, and Support to align retention initiatives and share insights.

📚 Your qualifications:

• 3+ years of experience as a Head of Retention
• Strong expertise across retention, marketing, product, and analytics
• Proven experience managing and growing a retention team.
• Deep knowledge of CRM platforms, bonus mechanics, loyalty programs, and gamification.
• Skilled in working with large datasets, generating insights, and making data-based decisions.
• Continuous market and competitor research, driving the implementation of cutting-edge technologies (from new channels to AI/ML) and innovative retention practices.
• Advanced proficiency in BI tools and analytics (segmentation, cohort analysis), with experience in building comprehensive KPI monitoring systems and deriving actionable insights.
  
   

Benefits:

⭐ Days of recovery: 20 paid vacation day per year and unlimited sick leave days.
⭐ Health: corporate medical insurance, a company psychologist and a Cafeteria of Benefits for personal wellness choices.
⭐ Education: a variety of foreign languages course for you to choose from. Also we are open for your development and you can choose different courses /training for improving your skills.
⭐ Compensation: additional benefits that can be used according to company policy, e.g. paid business trips, international conference opportunities, lunch perks at our offices etc.
⭐ Work Environment: work remotely or from one of our offices in Cyprus, Portugal, Poland, equipped with the equipment you’ll need for success.

Our client is an international product-based IT company specializing in the iGaming industry. Founded in 2014, the company successfully entered the CIS market and is now scaling its products globally.
We are currently looking for an Angular Developer to join a performance-focused team, working closely with the frontend side of the product. 

📚 Your qualifications:
— 3+ years of experience working with Next.js / React
— Strong knowledge of TypeScript and JavaScript, with a solid grasp of core language paradigms
— In-depth understanding of asynchronous programming and the event loop mechanism
— Strong expertise in React rendering lifecycle and Next.js server/client components
— Proficiency in Next.js data-fetching patterns
— Strong knowledge of React hooks, state management, and performance optimization
— Experience working with Headless CMS
— Experience with unit testing, specifically using Jest / React Testing Library, to ensure application reliability

➕ Nice to have:
— Basic knowledge of Node.js / API development
— Desire to become or improve your skills as a full-stack programmer
— Familiarity with Next.js App Router, RSC, Server Actions
— Understanding of Edge runtimes, caching, and CDN-optimized delivery

📋 Key responsibilities:
— Develop new components, pages, and modules using Next.js + React
— Collaborate in designing the application and content architecture, including CMS schema modeling
— Integrate and optimize headless CMS data for speed and scalability
— Write clean, maintainable, and high-quality code
— Work closely with back-end developers and QA teams to ensure seamless integration and delivery
— Optimize front-end performance (bundle size, caching, ISR, image optimization)

Benefits:
⭐ Days of recovery: 20 paid vacation days per year, paid sick leaves, public holidays off.
⭐ Health: medical insurance, check-ups, gym and mental health services.
⭐ Education: language courses, internal/external trainings, service subscriptions.
⭐ Compensation: corporate equipment you’ll need for success, work remotely or from one of our offices in Europe.
⭐ Work Environment: additional benefits that can be used according to company policy, e.g. paid business trips, free office dinners, holiday bonuses, gifts, team events.