Senior Go Developer

This is a fully remote position, open to applicants in Portugal, +4 more countries.

📋 Description

• Design, develop, and sustain robust, scalable, and dependable backend services tailored to meet business requirements.

• Lead technical research, architectural design, and the implementation of backend services and new features.

• Collaborate with various teams to deliver integrated and optimal solutions.

• Engage in code reviews and architectural discussions.

• Contribute to elevating the overall technical quality of backend services.

• Produce clean, efficient, and maintainable code that adheres to company standards.

• Oversee the entire backend services lifecycle, including delivery, monitoring, and production maintenance.

• Establish and maintain observability infrastructure, which includes metrics, logging, dashboards, and tracing.

• Mentor and assist other engineers while promoting best practices and high standards.

• Work on enhancing the end-to-end passenger experience for a ride-hailing application.

• Complete stages including English proficiency assessment, an internal technical interview, a client interview, and a cultural-fit interview with the client.

⛳️ Requirements

• Intermediate proficiency in English.

• The candidate must reside in the EU, Georgia, Armenia, Serbia, or Kazakhstan.

• Ability to work within the CET time zone.

• At least 5 years of commercial backend engineering experience in production settings.

• Strong expertise in Go, encompassing concurrency, synchronization primitives, context propagation, goroutine lifecycle management, and graceful shutdown patterns.

• Experience in building and supporting high-load distributed systems.

• Recent product development experience that involves complex business logic and evolving requirements.

• Proficient in SQL and data modeling skills, including schema design, joins, aggregations, composite indexes, data type selection, query analysis, replication, partitioning, and sharding.

• Experience with MySQL or PostgreSQL.

• Strong knowledge of caching strategies, including Redis, cache-aside, warm-up, and background refresh.

• Familiarity with synchronous and asynchronous inter-service communication, such as gRPC and message brokers, along with delivery guarantees, idempotency, and load-balancing trade-offs.

• In-depth understanding of microservice architecture patterns and effective client-server interactions, including trade-offs and limitations.

• Hands-on experience with observability tools and practices, including metrics, logging, distributed tracing, alerting, and Go profiling with pprof.

• Understanding of non-functional requirements, SLA, SLO, and SLI.

• Experience with Docker, Kubernetes, CI/CD pipelines, and cloud platforms.

• Ability to write maintainable, testable code with comprehensive unit and integration test coverage.

• Proficiency with Git and contemporary code review workflows.

• Capability to explain project architecture at the appropriate depth.

• Ability to independently convert ambiguous problems into solutions by clarifying requirements and workload.

• Nice to have: experience with event-driven architecture using Kafka, NATS, or RabbitMQ.

• Nice to have: familiarity with infrastructure-as-code tools.

• Nice to have: Go performance profiling and optimization experience using pprof and trace.

• Nice to have: knowledge of design handoff tools and cross-platform collaboration workflows.

• Nice to have: experience with AI-assisted development tools.

🏝️ Benefits

• B2B contract with Bonapolia.

• Monthly invoicing and payment, typically aligned with the client's payment schedule to Bonapolia (generally 30 days).

• Contract governed by the laws of the candidate's country.

• Bonapolia manages client-side documentation, including MSA, NDA, and invoicing.