Join to apply for the Backend Developer – Go (Golang) role at Sage
Join to apply for the Backend Developer – Go (Golang) role at Sage
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Tech Talent Acquisition | Sustainability & DEI Focused | Trilingual : French, English, Spanish
We’re hiring a Backend Developer with strong experience in Go to design and implement the backend services that power our infrastructure and product stack. You’ll join a team that values efficiency, scalability, and clean, modular architecture. This role is ideal for someone who thrives on solving technical challenges in distributed systems and production-grade services.
This is a hybrid role requiring 3 days per week in our Barcelona office.
First 90 Days
* 30 days : Get familiar with our Go-based services, infrastructure, and delivery pipeline. Meet your squad and key stakeholders.
* 60 days – Actively contribute to key product initiatives and features in development. Demonstrate increasing ownership and impact within the engineering team. Begin contributing meaningful code to the main product codebase.
* 90 days – Take full ownership of feature delivery, from planning to release. Lead code reviews and ensure adherence to quality and best practices. Participate in architectural discussions and help shape technical direction.
Meet the Team
You’ll report to an Engineering Team Leader and join a high-performing backend team based in Barcelona. You’ll work closely with backend engineers, DevOps specialists, and product managers. The team operates with a strong DevOps culture and values autonomy, accountability, and continuous improvement.
How Success Will Be Measured
1. Reliable, scalable, and well-documented backend services delivered on time
2. Performance optimizations and contributions to platform scalability
3. Active participation in design reviews and team rituals
4. Contribution to incident response, root cause analysis, and system hardening
Skills You’ll Gain
5. Deep expertise in Go, microservices, and distributed system architecture
6. Hands-on experience with observability, CI / CD pipelines, and container orchestration
7. Exposure to real-world challenges in scalability, resilience, and system design
8. Collaboration across cross-functional product and infrastructure teams
Snapshot of Your Day-to-Day
You’ll build, extend, and maintain high-performance services using Go, review pull requests, contribute to architecture discussions, and troubleshoot production issues. You’ll also write tests, monitor metrics, and support the lifecycle of features from design to release.
Qualifications
9. Professional experience developing backend services in Go
10. Understanding of microservices architecture and REST / gRPC API design
11. Familiarity with containers, CI / CD, and cloud environments
12. Solid experience with SQL Server, Redis, and asynchronous messaging systems
13. Comfortable writing automated tests and participating in code reviews
14. Fluent in English ; Spanish fluency is a plus
Tech Stack You’ll Work With
15. Languages : Primarily Go, with occasional use of Python or Bash for scripting tasks.
16. Frameworks / Tools : Go, REST, goroutines and channels. Familiarity with gRPC or protobuf is a plus.
17. Infrastructure : Microservices architecture, Docker, Kubernetes, Linux environments, and CI / CD pipelines.
18. Datastores & Messaging : SQL Server, Redis, and message queues such as RabbitMQ or SQS (or similar technologies).
19. Cloud Platforms : Experience with either AWS or Azure is sufficient.
20. Monitoring : Datadog or comparable monitoring tools.
At Sage, we offer you an environment where you can grow professionally without compromising your personal well-being. Our benefits package is designed to provide stability, flexibility, and balance :
21. Flexible benefits : exchange part of your salary and make tax savings on health insurance, meal and transport vouchers, childcare, and training.
22. Well-being : Free access to the Calm app (for up to 5 users), 24 / 7 counselling, and emotional support from our Healthy Mind Coaches. We also offer self-care and parenting resources through the Cleo app.
23. Flexible working : flexibility of working one hour in, one hour out, shortened workdays on Fridays and during the summer, and the opportunity to work from over 40 countries for up to 10 weeks per year through our Work Away program.
24. Annual leave : 23 working days of vacation, 5 paid days per year for volunteering, and 5 additional paid days annually for personal or professional development.
25. Extended leave : 7 extra days of maternity leave and 5 extra days of paternity leave, on top of the legal allowance, available after one year of service.
26. Financial support : Life and disability insurance, salary advances of up to 3.5 times your net monthly pay, a €300 net marriage bonus, and access to Sage's employee stock purchase plan at a discounted rate.
Health and Safety Responsibilities
27. Fostering the safety culture, by leading with your own example.
28. Following established safety procedures and reporting potential hazards promptly helps maintain a secure and efficient workplace.
29. Participating in safety training sessions and adhering to preventive guidelines and procedures, the objective is minimizing risks and protecting yourself and the rest of your colleagues.
Seniority level
30. Seniority level Mid-Senior level
Employment type
31. Employment type Full-time
Job function
32. Job function Engineering and Information Technology
33. Industries Software Development
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