20 beste vacatures voor de functie van api developer in zuid holland (nieuwe medewerkers gezocht)

Senior AI Engineer (Libra - Legal AI Assistant)
Wolters Kluwer —Alphen aan den Rijn
- Fulltime
- Hybride werken
- Engels
- Master
- APIs
- Flexibele werkuren
.Net Ontwikkelaar
Infomedics —Dordrecht
- € 5.100 - € 5.900 per maand
- Fulltime
- Hybride werken
- Informatica
- Informatica
- Analytisch vermogen
Snel solliciteren
Senior Lead Developer – C++ / SCADA-HMI-software
Ridder —Maasdijk
- E-mail
- Hybride werken
- Windows
- C++
Senior Software Engineer - Oracle
MSTS Tolls —Rijswijk
- Fulltime
- Informatica
- Oracle
- Informatica
Fullstack Developer (Backend PHP Symfony & AI Stack focus) Medior / Senior
MrWork —Rotterdam
- Hybride werken
- Databases
- SQL
- AI
- Flexibele werkuren
Senior Lead Developer – C++ / SCADA-HMI-software
Ridder Group —Maasdijk
- E-mail
- Hybride werken
- Windows
- C++
Backend Engineer - Integration Platform
ANWB —Den Haag
- € 4.136 - € 6.667 per maand
- Hybride werken
- DevOps
- Java
- AWS
- Reiskostenvergoeding
- Personeelskorting
Snel solliciteren
13 dagen
Integratiespecialist
Sdu —Den Haag
- € 4.190 - € 5.230 per maand
- Fulltime
- SQL
- Analytisch vermogen
- Bachelor
- Winstdeling
- Reiskostenvergoeding
Ms Dynamics 365 BC Ontwikkelaar
Naktuinbouw —Roelofarendsveen
- € 3.772 - € 5.165 per maand
- Fulltime
- Hybride werken
- Azure
- DevOps
- Reiskostenvergoeding
- Zorgverzekering
Full-stack developer .NET + React
OnlineResults —Gouda
- € 4.000 - € 5.000 per maand
- Parttime
- Hybride werken
- Azure
- DevOps
- Kantoor
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
Snel solliciteren
10 dagen
MS Dynamics 365 Business Central Ontwikkelaar - Tuinbouw - Leiden
Blauwtand —Leiderdorp
- € 4.000 - € 5.700 per maand
- Fulltime
- Azure
- DevOps
- ERP systemen
- Reiskostenvergoeding
- Zorgverzekering
1 dag
SR. Full Stack Software Developer
Eduface —Zuid-Holland
- E-mail
- Azure
- JavaScript
- APIs
Snel solliciteren
Full Stack Engineer - Platform Team
Yuki online boekhouden —Rotterdam
- Engels
- AWS
- JavaScript
- Budget voor professionele ontwikkeling
Support Engineer bij VCSW
VCSW —Gouda
- Parttime
- Troubleshooting
- APIs
- Communicatieve vaardigheden
- Reiskostenvergoeding
- Flexibele werkuren
Medior Test Engineer - Overheid, Zorg en Welzijn
CGI —Randstad
- Hybride werken
- Azure
- DevOps
- Java
- Winstdeling
- Bovenwettelijk betaald verlof
Snel solliciteren
Power Platform Consultant
VINCI Energies —Alphen aan den Rijn
- Tot € 895 per maand
- Fulltime
- Hybride werken
- Azure
- Kantoor
- SQL
- Winstdeling
- Reiskostenvergoeding
Power Platform Consultant
Axians —Alphen aan den Rijn
- Tot € 895 per maand
- Fulltime
- Hybride werken
- Azure
- Kantoor
- SQL
- Winstdeling
- Reiskostenvergoeding
Functioneel Tester
Nsecure B.V. —Barendrecht
- Fulltime
- Hybride werken
- DevOps
- Engels
- Analytisch vermogen
- Zorgverzekering
Snel solliciteren
Technical Lead
JEX —Rotterdam
- € 5.500 - € 6.500 per maand
- Fulltime
- Azure
- APIs
- Communicatieve vaardigheden
- Reiskostenvergoeding
Forward Deployed Engineer
Lionsville —Den Haag
- € 7.673 - € 9.738 per maand
- Fulltime
- Azure
- Master
- AWS
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
Snel solliciteren

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Senior AI Engineer (Libra - Legal AI Assistant)

Wolters Kluwer -
Alphen aan den Rijn

Nu solliciteren

Vacaturegegevens

Fulltime

Secundaire arbeidsvoorwaarden

Flexibele werkuren

Kwalificaties

Engels
Master
APIs
Veiligheid
Schaalbaarheid
Front-end ontwikkeling
AI
TypeScript
Communicatieve vaardigheden
Python
Duits

Volledige vacaturetekst

Why Libra

At Libra by Wolters Kluwer, we're transforming how legal professionals work. Our AI platform combines deep legal reasoning with cutting-edge generative technology to help lawyers research, draft, and deliver legal work faster and smarter.

In just over a year, we became one of Europe's fastest-growing legal AI companies—and in late 2025, we joined Wolters Kluwer, the global leader in legal information services. Together, we're combining Libra's AI capabilities with Wolters Kluwer's authoritative legal content to build the most powerful AI workspace for lawyers in Europe. We've already launched in the Netherlands and are expanding across new markets with full localization and deep local content integrations.

This is a unique opportunity to shape the next generation of legal AI products—now at true European scale.

Role Overview

As a Senior AI Engineer at Libra, you'll play a central role in developing and improving our core product. You'll build end-to-end product features that leverage the most advanced LLMs available via API—from chat-based interfaces to complex behind-the-scenes integrations. You'll work closely with our Product, Legal Engineering, and Design teams to turn user needs into elegant, performant, and secure AI-powered experiences used daily by lawyers across Europe.

This is a high-ownership, high-impact role for engineers who thrive in fast-moving environments and want to shape how AI is applied to real-world knowledge work.

What You'll Do

Design, implement, and maintain AI-driven product features end-to-end using LLM APIs.
Develop both visible chat-based UX flows and non-visible AI integrations that power Libra's core functionality.
Build and optimize RAG systems, including document parsing, semantic chunking, and retrieval pipelines.
Build scalable, maintainable backend systems using FastAPI and modern Python tooling.
Design and implement agent orchestration systems for complex, multi-step legal workflows.
Build infrastructure for evaluations and benchmarking, including continuous monitoring and alerting to ensure quality across all AI-powered features (e.g., using Langfuse).
Ensure high security, reliability, and data privacy standards across all systems.
Collaborate closely with Product and Legal Engineering to rapidly prototype, test, and refine new AI use cases.
Stay ahead of the curve by exploring new models, tools, and techniques—including AI coding agents like Cursor and Claude Code.
Contribute to a pragmatic, execution-focused engineering culture where simplicity and speed matter.

What You Bring

At least 4-5 years of relevant work experience in the role.
Deep experience building products that integrate large language models (LLMs) via APIs.
Proficiency with FastAPI, Python, and common data science packages.
Strong understanding of software engineering and security best practices.
Experience with modern AI developer tools (e.g., Cursor, Claude Code, Copilot, etc.).
Bonus: experience with TypeScript and front-end development.
Excellent communication skills in English; German fluency is a plus.
You have an entrepreneurial mindset and a deep sense of urgency in achieving your goals.
You're a self-starter who enjoys autonomy but thrives in a collaborative team.
You take a pragmatic approach to problem-solving—focused on impact, not hype.
You can balance trade-offs between fast, simple solutions and long-term scalability.
You want to build products that make AI truly useful for real professionals.

What We Offer

Flexible working policy (2 days a week in the office, 3 days a week from home) and flexible working hours.
A high-impact engineering role at the forefront of AI and knowledge automation.
The opportunity to build and ship features that directly shape how lawyers work.
Close collaboration with world-class engineers, product thinkers, and legal experts.
A culture that values speed, ownership, and craftsmanship.
Competitive compensation.

#LI-Hybrid

Our Interview Practices

To maintain a fair and genuine hiring process, we kindly ask that all candidates participate in interviews without the assistance of AI tools or external prompts. Our interview process is designed to assess your individual skills, experiences, and communication style. We value authenticity and want to ensure we’re getting to know you—not a digital assistant. To help maintain this integrity, we ask to remove virtual backgrounds and include in-person interviews in our hiring process. Please note that use of AI-generated responses or third-party support during interviews will be grounds for disqualification from the recruitment process.

Applicants may be required to appear onsite at a Wolters Kluwer office as part of the recruitment process.

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api developer vacatures in zuid holland

Senior AI Engineer (Libra - Legal AI Assistant)

.Net Ontwikkelaar

Senior Lead Developer – C++ / SCADA-HMI-software

Senior Software Engineer - Oracle

Fullstack Developer (Backend PHP Symfony & AI Stack focus) Medior / Senior

Senior Lead Developer – C++ / SCADA-HMI-software

Backend Engineer - Integration Platform

Integratiespecialist

Ms Dynamics 365 BC Ontwikkelaar

Full-stack developer .NET + React

MS Dynamics 365 Business Central Ontwikkelaar - Tuinbouw - Leiden

SR. Full Stack Software Developer

Full Stack Engineer - Platform Team

Support Engineer bij VCSW

Medior Test Engineer - Overheid, Zorg en Welzijn

Power Platform Consultant

Power Platform Consultant

Functioneel Tester

Technical Lead

Forward Deployed Engineer

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van api developer in zuid holland

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