Senior Kotlin Software Developer at Sonic Healthcare developing innovative web - based solutions for the healthcare sector. Involves software design, implementation, and mentoring in a collaborative team environment.
About the role
- Backend Developer building scalable backend services for consumer apps at Codeway. Contributing to high-quality mobile experiences and collaborating with cross-functional teams.
Responsibilities
- Design, develop, and maintain scalable backend services supporting mobile and web clients.
- Build and evolve microservices and RESTful APIs with clean, maintainable architecture.
- Deploy, monitor, and support AI models and data-driven services in production environments.
- Optimize system performance, reliability, and scalability across distributed systems.
- Collaborate closely with mobile, frontend, AI, product, and DevOps teams to deliver new features end to end.
- Troubleshoot, debug, and proactively improve system stability and observability.
- Contribute to code quality through reviews, testing, and documentation.
Requirements
- 2+ years of professional experience in backend development.
- Strong proficiency in backend development using Node.js and/or Python.
- Experience designing and working with microservices architectures and RESTful APIs.
- Solid understanding of databases, data modeling, and performance optimization.
- Experience with cloud environments such as AWS, GCP, or Azure.
- Good grasp of data structures, algorithms, and system design fundamentals.
- Ability to contribute effectively in high-scale environments handling large volumes of traffic and data.
- Strong problem-solving skills and attention to detail.
- Bachelor’s degree in Computer Science, Engineering, or a related field.
Benefits
- Full-time contract with competitive salary
- Private health insurance, a generous meal card
- Full visa & relocation support if you’re moving to Barcelona
- Annual learning & development budget for courses, tools, or events that support your growth
- Free access to Codeway’s suite of apps across productivity, wellness, and education
- A top-notch office in the heart of the city
Job title
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