Senior Go Engineer: Scalable Microservices & Cloud

Bonapolia; Madrid; Remote; EUR 90,000 - 130,000; Full time

Job summary

Bonapolia is seeking a Senior Go Engineer to design, build, and scale backend services for a global mobility platform. You will own architecture decisions, drive research, and collaborate across teams to deliver reliable, observable systems with strong testing practices.

Candidates should have 5+ years of backend experience, deep Go knowledge, and proficiency with SQL databases, Redis, and distributed systems. CET timezone, remote-friendly, 3+6 months project plan, B2B contract.

Qualifications

• 5+ years of production backend engineering experience and complex product development.
• Strong Go expertise: concurrency, context propagation, goroutine lifecycle management, and graceful shutdown.
• Experience with high-load distributed systems and microservice architecture.
• Strong SQL and data modelling: schema design, joins, indexes, query analysis, replication, partitioning, and sharding.
• Experience with MySQL or PostgreSQL and Redis caching strategies.
• Sync/async inter-service communication using gRPC and message brokers, including delivery guarantees and idempotency.
• Observability: metrics, logging, tracing, alerting, and Go profiling.
• Understanding of NFRs, SLA/SLO/SLI, Docker, Kubernetes, CI/CD, and cloud platforms.
• Maintainable, testable code; unit/integration testing; Git and code review workflows.

Responsibilities

• Design, develop, and maintain scalable backend services and features.
• Drive technical research, architecture design, and implementation.
• Collaborate across teams, conduct reviews, and contribute to architectural discussions.
• Own service delivery, production monitoring, maintenance, and observability.
• Mentor engineers and participate in agile ceremonies.

Skills

Go backend

Concurrency

gRPC

SQL design

MySQL or PostgreSQL

Redis caching

Observability

CI/CD

Docker

Kubernetes

Cloud platforms

Code review

Tools

Docker

Kubernetes

PostgreSQL

MySQL

Redis

gRPC

Kafka

Terraform

Pulumi

Job description

Bonapolia is seeking a Senior Go Engineer to design, build, and scale backend services for a global mobility platform. You will own architecture decisions, drive research, and collaborate across teams to deliver reliable, observable systems with strong testing practices.

Candidates should have 5+ years of backend experience, deep Go knowledge, and proficiency with SQL databases, Redis, and distributed systems. CET timezone, remote-friendly, 3+6 months project plan, B2B contract.