Capgemini - Senior Golang Developer

Position Overview :

As a Senior Go Developer, you will play a key role in designing, developing, and maintaining highperformance backend services and microservices using Golang. Working closely with the Go Integration Architect, you will help deliver scalable APIs and integrations within a distributed, cloudnative environment.

This role also involves mentoring junior engineers, promoting best practices, and contributing to the evolution of our microservices architecture.

Key Responsibilities :

- Design, develop, and maintain Go-based microservices, RESTful APIs, and gRPC services

- Collaborate with the Integration Architect and product teams to translate business requirements into technical solutions

- Write clean, idiomatic, and well-tested Go code following defined coding and architectural standards

- Implement integrations using GIN framework and gRPC

- Participate in code reviews, share best practices, and drive continuous improvement

- Optimize application performance through profiling, benchmarking, and tuning

- Implement robust error handling, logging, metrics, and distributed tracing

- Troubleshoot production issues, perform root-cause analysis, and ensure timely resolution

- Mentor junior developers and contribute to a collaborative engineering culture

- Create and maintain technical documentation and knowledge artifacts

Mandatory Skills & Qualifications :

- 7 to 12 years of overall software development experience

- Minimum 3+ years of hands-on experience in Golang

Strong mandatory experience with :

1. Golang

2. gRPC

3. GIN framework

- Solid understanding of Go concepts : goroutines, channels, interfaces, error handling, and modules

- Strong experience in microservices architecture and distributed systems

- Hands-on experience with Docker and Kubernetes

- Experience working in cloud environments (AWS, Azure, or GCP)

- Proficiency in RESTful API design and integration patterns

- Experience with SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis)

- Familiarity with CI/CD pipelines, Git, and Agile development practices

- Strong problem-solving and communication skills

Preferred / Nice-to-Have Skills :

- Exposure to service mesh technologies (Istio, Linkerd)

- Experience with message brokers (Kafka, NATS, RabbitMQ)

- Familiarity with observability tools (Prometheus, Grafana, ELK/EFK)

- Infrastructure as Code experience (Terraform, CloudFormation)

- Understanding of security best practices (OAuth2, JWT, mTLS)

- Contributions to open source Go projects or tech communities