Senior Frontend Engineer

Responsibilities

• Design, develop, and maintain backend services and APIs

• Participate in architecture and design discussions; write and review technical design documents

• Write clean, maintainable, well-tested code with comprehensive unit and integration test coverage

• Optimize database schemas and queries; ensure performance and reliability under load

• Build event-driven and asynchronous workflows using message brokers

• Monitor, troubleshoot, and improve production systems; take part in incident response and post-mortems

• Contribute to CI/CD pipelines, infrastructure-as-code, and engineering best practices

• Perform code reviews and mentor Middle and Junior engineers

• Collaborate with Product, Design, Frontend, QA, and DevOps to deliver features end to end

• Maintain clear API and technical documentation
  
  

ABOUT THE TEAM

You will join a product engineering team of backend, frontend, QA, and DevOps engineers working closely with Product and Design. The team owns its services end to end: from design and implementation to deployment, monitoring, and on-call support.

Typical Tech Stack:

• Language: Go

• Databases: PostgreSQL, MySQL, Redis

• Messaging: Kafka, RabbitMQ, or NATS

• APIs: REST, gRPC, OpenAPI (Swagger)

• Authentication & Authorization: OAuth 2.0 / OIDC

• Infrastructure: Docker, Kubernetes, CI/CD (GitLab CI or similar)

• Observability: Metrics, centralized logging, distributed tracing, alerting

Nice to have

Required:

• 5+ years of commercial backend development experience

• Strong proficiency inGo: idiomatic code, concurrency patterns, performance profiling

• Solid understanding ofrelational databases(PostgreSQL or MySQL): schema design, indexing, query optimization, migrations

• Experience with Redis or similar caching solutions

• Experience designing and implementingREST APIs(gRPC is a plus) and documenting them with OpenAPI/Swagger

• Understanding ofmicroservices architectureanddistributed systemstrade-offs (consistency, availability, failure modes)

• Experience withmessage brokers(Kafka, RabbitMQ, NATS, or similar) and event-driven design

• Experience with Docker and a good understanding of Kubernetes basics

• Proficiency with Git and CI/CD practices

• Solid experience with automated testing (unit, integration)

• Understanding ofapplication security fundamentals(OWASP Top 10, secure handling of secrets and user data, authentication and authorization basics)

• Good written and spoken English

Preferred:

• Experience withobservabilitytooling (Prometheus, Grafana, ELK/Graylog, OpenTelemetry)

• Experience with high-load systems and performance profiling

• Experience with cloud platforms (GCP, AWS, or Azure) and infrastructure-as-code

• Experience with NoSQL databases (MongoDB or similar)

• Experience leading technical initiatives or mentoring engineers

• Experience in gaming, e-commerce, fintech, or payments domains

• Practical, up-to-date experience with modern AI tools (e.g. Claude, Copilot, Cursor) for code generation, review, and accelerating day-to-day engineering work