emagine
Full-Stack API Developer
B2B contract role, 100% remote from Poland, integrating Hypoport's advisory engine into existing systems. Day to day is full-stack development (JavaScript plus Java) building REST API interfaces in a distributed agile team, with fluent German required and occasional on-site visits to Hanover.
- Compensation
- €45 / hr
- Location
- Poland
- Work setup
- Remote
- Seniority
- Not specified
- Employment
- Contract
- Experience
- Not specified
- Category
- Fullstack
- Posted
Skills
Must have
- Strong experience in Java
- Strong experience in REST API development & API design
- Excellent JavaScript skills (full-stack)
- Proven experience as a Full-Stack Developer
- Background in agile software development
- Ability to analyze, structure and optimize existing code
- Proactive communicator & team player
- Fluent German (B2+/C1) for documentation & daily communication
Nice to have
- Experience in regulated industries (banking, insurance, energy)
- IT security / firewall / networking knowledge
- Experience with document management systems
- Background in integration-heavy or interface-driven projects
- Experience in the German financial sector
Full description
- Remote work: 100% remote.
- Project language: German + English.
- Start: ASAP/2 weeks.
- Assignment type: B2B – up to 45 EUR/h.
- Project length: first contract until the end of the year, then regular extensions 6-12 months.
- Onboarding: 1 week on-site in Hanover.
- Additional visits: once every 2-3 months for 3 days on demand.
- Workload: full time (40 hours per week).
- Industry: Finance.
Summary: The Full-Stack API Developer is responsible for integrating Hypoport’s advisory engine. This role aims to enhance existing systems and support clients with technical integration, fostering collaboration within a distributed agile team.
Main Responsibilities:
- Develop and integrate REST API interfaces into existing systems.
- Implement technical requirements within a large-scale integration and brokerage project.
- Full-stack development in the JavaScript ecosystem (frontend & backend).
- Collaborate with internal and external developers in a distributed agile setup.
- Analyze and evaluate existing codebase, contribute to architectural decisions.
- Convert business requirements into technical solutions & maintain documentation.
- Close collaboration with team leads, business units, and stakeholders.
- Support onboarding-related topics (firewall, whitelisting, internal processes – client will guide this).
Key Requirements:
- Strong experience in Java, REST API development & API design.
- Excellent JavaScript skills (full-stack).
- Proven experience as a Full-Stack Developer.
- Background in agile software development.
- Ability to analyze, structure and optimize existing code.
- Proactive communicator & team player.
- Fluent German (B2+/C1) – mandatory for documentation & daily communication.
Nice to Have:
- Experience in regulated industries (banking, insurance, energy).
- IT security / firewall / networking knowledge.