(Senior) Backend Developer (Java / Python, Microservices)

OKAPI:Orbits is seeking a Senior Backend Developer to develop and maintain a scalable backend system to power their mission-based solutions. The role involves designing, implementing, and optimizing microservices, collaborating with engineers and scientists, and ensuring the performance, fault tolerance, and maintainability of distributed services. This position focuses on building reliable APIs and pipelines for satellite operators and space agencies.

Requirements

• Degree in Computer Science, Software Engineering, or a related field, or formal IT specialist training
• Several years of professional experience in backend software development with Java (Spring Boot or similar)
• Good working knowledge of Python for scripting, automation, or data processing tasks
• Solid understanding of microservice architectures, asynchronous systems, and distributed communication patterns
• Experience designing and maintaining RESTful and/or message-based APIs (e.g., RabbitMQ)
• Strong grasp of software architecture principles
• Hands-on experience with testing, code quality assurance, and secure software development practices
• Familiarity with Git-based workflows, CI/CD pipelines, and modern DevOps practices
• Knowledge of observability tools (DataDog, Sentry, OpenTelemetry, or similar)
• Experience with database technologies (MongoDB, PostgreSQL, or similar)
• Experience with automated testing frameworks and performance benchmarking
• Ability to plan, implement, and review complex features
• Professional background or interest in the space or aerospace domain
• Proactive communication, structured working style, and good English

Benefits

• Training budget
• Competitive salary
• Flexibility of hours
• Onboarding
• Early ownership and influence
• Social activities