20 beste vacatures voor de functie van api developer in pijnacker, zh (nieuwe medewerkers gezocht)

Senior AI Engineer (Libra - Legal AI Assistant)
Wolters Kluwer —Alphen aan den Rijn
- Fulltime
- Hybride werken
- Engels
- Master
- APIs
- Flexibele werkuren
Identity and Access Developer
Coolblue —Rotterdam
- Fulltime
- Azure
- Kantoor
- Reiskostenvergoeding
- Personeelskorting
MS Dynamics 365 Business Central Ontwikkelaar - Tuinbouw - Leiden
Blauwtand —Leiderdorp
- € 4.000 - € 5.700 per maand
- Fulltime
- Azure
- DevOps
- ERP systemen
- Reiskostenvergoeding
- Zorgverzekering
10 dagen
Principal Back-end Developer (.NET/ C#)
JEX —Rotterdam
- € 6.000 - € 7.000 per maand
- Fulltime
- Azure
- Analytisch vermogen
- Reiskostenvergoeding
PHP developer
Topsite —Brielle
- E-mail
- SQL
- JavaScript
Frontend Developer (REACT) Medior / Senior
MrWork —Rotterdam
- Hybride werken
- DevOps
- JavaScript
- APIs
- Flexibele werkuren
Principal Back-end Developer (.NET/ C#)
JEX Nederland B.V. —Rotterdam
- € 6.000 - € 7.000 per maand
- Fulltime
- Hybride werken
- Azure
- Analytisch vermogen
- Bachelor
- Reiskostenvergoeding
Snel solliciteren
Technisch Applicatiebeheerder Business Central - Tuinbouw - Leiden
Blauwtand —Leiderdorp
- € 4.000 - € 5.700 per maand
- Fulltime
- Azure
- DevOps
- Analytisch vermogen
- Reiskostenvergoeding
- Zorgverzekering
10 dagen
PHP Programmeur – Noordwijk / Bollenstreek
Lined webdevelopment —Noordwijk
- € 3.000 - € 4.000 per maand
- E-mail
- ERP systemen
- JavaScript
- APIs
- Kosteloos parkeren
- Reiskostenvergoeding
Snel solliciteren
15 uur
Senior Lead Developer – C++ / SCADA-HMI-software
Ridder Group —Maasdijk
- E-mail
- Hybride werken
- Windows
- C++
Senior Lead Developer – C++ / SCADA-HMI-software
Ridder —Maasdijk
- E-mail
- Hybride werken
- Windows
- C++
Junior Operations | AI Agents & Data Automation
Monday Merch —Rotterdam
- € 2.800 - € 3.200 per maand
- Fulltime
- Microsoft Excel
- SQL
- Analytisch vermogen
Snel solliciteren
Cloud engineer
Erasmus MC —Rotterdam
- € 3.598 - € 5.669 per maand
- Parttime
- Azure
- DevOps
- Bachelor
4 dagen
Medior Back-end Developer (Laravel)
The MindOffice —Vlaardingen
- Fulltime
- Databases
- SQL
- APIs
- Kosteloos parkeren
Senior Appworks Ontwikkelaar
Dienst ICT Uitvoering (DICTU) —Den Haag
- € 4.691 - € 6.907 per maand
- Fulltime
- Hybride werken
- Management
- Doctor
- DevOps
- Reiskostenvergoeding
- Bedrijfsfitness
1 dag
Test Automation Engineer
Quyntess —Rotterdam
- € 4.000 - € 5.000 per maand
- Fulltime
- ERP systemen
- Engels
- Java
Snel solliciteren
Backend Engineer - Integration Platform
ANWB —Den Haag
- € 4.136 - € 6.667 per maand
- Hybride werken
- DevOps
- Java
- AWS
- Reiskostenvergoeding
- Personeelskorting
Snel solliciteren
Senior AI Engineer
KPN —Rotterdam
- Tot € 7.800 per maand
- Hybride werken
- Informatica
- Azure
- Oracle
- Reiskostenvergoeding
- Werk vanuit huis
Snel solliciteren
Technical Team Lead - Growth Team
Yuki online boekhouden —Rotterdam
- Softwareontwikkeling
- Budget voor professionele ontwikkeling
Senior AI-First Engineers
Builders —Rotterdam
- € 60.000 - € 85.000 per jaar
- Fulltime
- DevOps
- JavaScript
- APIs
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 pijnacker, zh

Senior AI Engineer (Libra - Legal AI Assistant)

Identity and Access Developer

MS Dynamics 365 Business Central Ontwikkelaar - Tuinbouw - Leiden

Principal Back-end Developer (.NET/ C#)

PHP developer

Frontend Developer (REACT) Medior / Senior

Principal Back-end Developer (.NET/ C#)

Technisch Applicatiebeheerder Business Central - Tuinbouw - Leiden

PHP Programmeur – Noordwijk / Bollenstreek

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

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

Junior Operations | AI Agents & Data Automation

Cloud engineer

Medior Back-end Developer (Laravel)

Senior Appworks Ontwikkelaar

Test Automation Engineer

Backend Engineer - Integration Platform

Senior AI Engineer

Technical Team Lead - Growth Team

Senior AI-First Engineers

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van api developer in pijnacker, zh

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