Miratech helps visionaries change the world. We are a general IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989.

Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Job Description

We are looking for a Senior Backend Engineer (Golang) to design and build scalable, reliable, and secure backend systems. The role involves developing distributed services, designing robust APIs, implementing event-driven architectures, and ensuring high standards of performance, maintainability, and system reliability.

While the primary focus is backend development, occasional contributions to React-based frontend functionality may be required.

Responsibilities

- Design, implement, and maintain scalable backend services in Golang, including RESTful APIs and stable data contracts that evolve safely over time.
- Implement and manage asynchronous, event-driven communication, with strong guarantees around message reliability, idempotency, error handling, and backward compatibility.




- Design and develop distributed systems and microservices with a focus on scalability, resilience, and maintainability.
- Optimize application performance, reliability, and resource utilization in production environments.
- Participate in architecture discussions and contribute to technical decision-making.
- Conduct code reviews and support knowledge sharing across the engineering team.
- Design code with testability as a core principle, writing and maintaining unit and integration tests for APIs, business logic, and integrations.
- Design and maintain secure APIs and service integrations, applying best practices in authentication, authorization, and identity management.
- Build integrations with enterprise platforms such as Salesforce, Microsoft Dynamics, ServiceNow, Genesys Cloud, and other third-party systems.
- Design and maintain reliable integrations between internal services and external enterprise platforms.

Qualifications

- 6+ years of experience as a Software Engineer.
- Strong experience building backend applications and services using Golang.
- Solid understanding of concurrency in Golang and asynchronous workflows.
- Hands-on experience with event-driven architectures and message handling (e.g., Kafka, NATS, RabbitMQ, or similar technologies).
- Experience with AWS and cloud-native architectures.




- Proven experience designing APIs and event schemas with long-term evolution and backward compatibility in mind.
- Strong understanding of authentication, authorization, and secure API design.
- Experience with microservice architectures and distributed systems.
- Experience with relational and/or NoSQL databases.
- Experience with Docker and Kubernetes.
- Strong commitment to automated testing, including unit and integration testing.

Nice to Have

- Experience with React and modern frontend development.
- Experience with TypeScript, Protobuf.
- Experience with cloud platforms Azure, or GCP.
- Experience with monitoring and observability tools (e.g., Grafana, Prometheus)
- Experience with identity and access management solutions (Keycloak, Auth0, Okta, or similar).

Additional Information

We offer:

- Culture of relentless performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
- Competitive pay and benefits: enjoy a comprehensive compensation and benefits package, including health insurance, language courses, and a relocation program.
- ForeverRemote work culture: make the most of the flexibility that comes with remote work.
- Growth mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
- Global impact: collaborate on impactful projects for top global clients and shape the future of industries.
- Welcoming multicultural environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open com

📌 Senior Backend Golang Engineer (Madrid)
🏢 Miratech
📍 Madrid