Jobgether
Senior Backend Developer (Kotlin/Spring Boot)
Accountabilities:
- Design and implement high-abstraction backend components, with a focus on a dynamic query engine for FHIR-based data structures
- Contribute to the development of a custom FHIR server built in Kotlin and Spring Boot
- Collaborate with a small engineering team to define architecture, split tasks, and align on technical direction
- Develop and maintain robust backend services using PostgreSQL, including JSONB-based data modeling and complex queries
- Build and expand comprehensive automated test coverage using JUnit to ensure system reliability
- Integrate and work with healthcare data standards such as FHIR R4 where applicable
- Participate in technical discussions, surfacing blockers and refining system design with the team
- Support secure authentication and authorization patterns using OAuth and identity management systems
- Ensure backend systems are scalable, maintainable, and aligned with long-term platform goals
- Strong experience in backend development using Kotlin and/or JVM-based technologies
- Solid hands-on experience with Spring Boot in production environments
- Proven ability to build or contribute to high-abstraction systems such as query engines, rule engines, or dynamic processing frameworks
- Strong knowledge of PostgreSQL, including advanced querying and JSONB data modeling
- Experience writing and maintaining comprehensive automated test suites using JUnit
- Ability to work collaboratively within a small engineering team and align on shared architectural decisions
- Strong communication skills with fluent English (minimum B2 level) for daily technical collaboration
- Comfortable working remotely within Europe and engaging in distributed team workflows
- Bonus: familiarity with HL7 FHIR (R4), HAPI FHIR, or healthcare data systems
- Bonus: experience with OAuth flows, identity providers such as Zitadel, or authorization systems like SpiceDB
- Competitive compensation aligned with senior-level expertise
- Fully remote work within Europe with flexible collaboration
- Opportunity to work on a cutting-edge healthcare infrastructure project
- Exposure to complex, real-world FHIR and healthcare interoperability challenges
- Close collaboration with experienced engineers in a highly technical environment
- Strong influence on architecture and system design decisions
- Long-term engineering impact on a critical healthcare data platform
- International, collaborative, and engineering-driven culture
Requirements:
Benefits:
How Jobgether works:
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.
We appreciate your interest and wish you the best!
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
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Jobgether runs the largest remote job platform, effectively linking job seekers with over 200,000 flexible and remote opportunities that match their unique skills and preferences. Our focus is on enhancing the hiring process, ensuring efficiency while prioritizing the candidate experience, particularly in the growing health and wellness sector.
- Founded
- Founded 2020
- Employees
- 11-50 employees
- Industry
- Professional Services
Senior Back-end Developer