Staff Up Ltd.
Senior Golang Developer Backend (b2b contract)
Staff Up Ltd.Romania18 hours ago
ContractEngineering, Information Technology

Our client is building a modern, cloud-native platform from the ground up — designed for high scalability, performance, and reliability.

As a Senior Golang Engineer, you’ll play a key role in designing, developing, and optimizing microservices within a distributed, high-traffic environment.

🔧 Key Responsibilities
  • Design, develop, and maintain backend services written in Golang
  • Work on microservices architecture using REST, gRPC, Pub/Sub, and Kafka
  • Optimize PostgreSQL and SQL queries for high performance
  • Build and deploy services using Docker, Kubernetes, and GCP/AWS
  • Ensure high availability, scalability, and reliability of systems
  • Contribute to CI/CD pipelines and maintain strong test coverage
  • Implement monitoring and observability practices (DataDog, NewRelic, or similar)
  • Collaborate closely with cross-functional teams across different locations
✅ Key Requirements

Technical Skills:

  • 5+ years of experience as a Backend Engineer, including at least 3 years with Golang
  • Hands-on experience with microservices, high-load, or 24/7 systems
  • Solid understanding of CI/CD pipelines and container orchestration (Kubernetes)
  • Proficiency with Postgres, SQL, and query optimization
  • Experience in cloud environments (GCP or AWS)
  • Practical understanding of monitoring, observability, and fault tolerance
  • Strong focus on writing maintainable and well-tested code

Mindset & Soft Skills:

  • Collaborative and proactive working style
  • Strong problem-solving skills and ownership mindset
  • Commitment to quality, scalability, and continuous improvement
  • Effective communication in English (spoken and written)
💡 Nice-to-Have Skills
  • Experience with Java (a plus)
  • Knowledge of event-driven architecture
  • Background in large-scale transactional systems or similar environments
🚀 What You’ll Gain

Career Growth & Learning:

  • Opportunity to build a greenfield system using a modern tech stack (Golang, GCP, Kubernetes)
  • Involvement in microservice architecture at scale
  • Experience in a fast-evolving industry domain with innovative technology adoption

Professional Development:

  • Real-world exposure to high-availability systems and performance optimization
  • Experience with observability and monitoring tools
  • Collaboration with international engineering teams following agile best practices

Work Environment:

  • Agile, self-organizing teams (4–6 people)
  • Two-week sprints with clear capacity planning
  • B2b contract
  • Supportive and collaborative engineering culture
  • Flexible working model

Key Skills

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