Senior Golang Developer

2 weeks ago

Nicosia, Nicosia, Cyprus SpeedlineHub Full time €60,000 - €80,000 per year

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.

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