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

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Dentsu —Rotterdam
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Full Stack Developer
Nationaal Cyber Security Centrum —Den Haag
- € 4.818 - € 7.094 per maand
- Parttime
- Hybride werken
- DevOps
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- Computernetwerken
- Reiskostenvergoeding
- Bedrijfsfitness
Senior Backend Developer (.NET / C#) – API, AI & OpenEdge ABL – Fulltime
Reflecta Automation B.V. —Zoetermeer
- Vanaf € 5.000 per maand
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- Hybride werken
- ERP systemen
- Kantoor
- SQL
- Kosteloos parkeren
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Junior/ Medior .NET Developer
Robeco —Rotterdam
- Fulltime
- Hybride werken
- Azure
- Informatica
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13 dagen
Power Platform Consultant
Axians —Alphen aan den Rijn
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- Hybride werken
- Azure
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Power Platform Consultant
VINCI Energies —Alphen aan den Rijn
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- Azure
- Kantoor
- SQL
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front end ontwikkelaar cop (617269) JFC
Ministerie van Defensie —Den Haag
- € 3.674 - € 5.863 per maand
- Fulltime
- Bachelor
- JavaScript
- HTML
- Flexibele werkuren
7 dagen
AI-engineer Stellendam, Rotterdam Meer informatie
WebNL —Rotterdam
- € 3.427 - € 5.370 per maand
- Fulltime
- Azure
- Databases
- AWS
- Bedrijfsfitness
- Budget voor professionele ontwikkeling
.Net Software Developer
Erniesoft —Berkel en Rodenrijs
- € 2.730,98 - € 5.181,86 per maand
- Fulltime
- Microsoft Excel
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Senior Agent - Software Developer – Full Stack Java, Solution Delivery Unit (FGIV)
Europol —Den Haag
- Weekendbeschikbaarheid
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
13 dagen
Test Analist
Nictiz —Den Haag
- Tot € 4.800 per maand
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- DevOps
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8 dagen
Digital Consultant Geotechniek (Engineering & Data)
Royal HaskoningDHV —Delft
- € 4.249 - € 6.796 per maand
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- Reiskostenvergoeding
Functioneel Beheerder (32-40 uur, hybride) — in het hart van exportcontrole en sancties
Export Control Group International BV —Rotterdam
- € 2.600 - € 3.500 per maand
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- Azure
- Microsoft Outlook
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- Kosteloos parkeren
- Reiskostenvergoeding
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PHP Developer (AI)
Reisknaller.nl —Alphen aan den Rijn
- € 2.900 - € 5.000 per maand
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- Hybride werken
- Azure
- Master
- AWS
- Kosteloos parkeren
- Reiskostenvergoeding
Snel solliciteren
SR. Full Stack Software Developer
Eduface —Zuid-Holland
- E-mail
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- JavaScript
- APIs
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Fullstack Developer (Backend PHP Symfony & AI Stack focus) Medior / Senior
MrWork —Rotterdam
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Senior Java Developer (Spring / Microservices) | Energy
Etinars —Den Haag
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Data Warehouse Developer
Centraal Orgaan opvang asielzoekers —Den Haag
- € 4.145,64 - € 6.153,19 per maand
- Fulltime
- Hybride werken
- Azure
- DevOps
- Kantoor
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
5 dagen
Principal Back-end Developer (.NET/ C#)
JEX —Rotterdam
- € 6.000 - € 7.000 per maand
- Fulltime
- Azure
- Analytisch vermogen
- Reiskostenvergoeding
Junior back-end (PHP) developer
Digital Agency Flink —Den Haag
- Fulltime
Snel solliciteren
6 dagen

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

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Full Stack Developer

Dentsu -
Rotterdam

Nu solliciteren

Vacaturegegevens

Fulltime

Kwalificaties

CI/CD
Authenticatie
Node.js
React
Salesforce
Master
Docker
JavaScript
PostgreSQL
APIs
AI
TypeScript
Debuggen

Volledige vacaturetekst

Job Description:

We’re looking for a hands-on Full-Stack Developer to build and scale the internal tools and AI-powered applications that support Merkle’s delivery. You’ll own the application layer end-to-end - from the backend up through the frontend - covering backend logic, infrastructure, authentication, deployments, and day-to-day stability.

What You’ll Do

Own and maintain the full application stack across our internal tools: backend, database, auth, and frontend
Design and implement authentication and access control (e.g., SSO with SAML or Okta, multi-tenant data isolation, role-based access)
Write and maintain database schemas, migrations, and access policies (e.g., PostgreSQL with RLS and RPC functions)
Build and manage serverless backend functions (e.g., for application logic and API integrations)
Set up and maintain CI/CD pipelines and manage deployments across environments (e.g., DEV, UAT, PROD)
Build and maintain modern frontends (e.g., React, Vite, TypeScript)
Debug and resolve issues across the stack (e.g., build errors, networking, misconfigured services, 5xx errors)
Collaborate with the AI/LLM side of the team to integrate model outputs cleanly into the application
improve

What You Bring

3+ years in software engineering (full-stack, AI, or platform development)
Experience with modern JavaScript/TypeScript stacks (React, Next.js, Node.js), frontend and backend
Experience with Docker and self-hosted infrastructure, not just managed cloud services
Knowledge and experience with multi-tenant application patterns
Solid problem-solving skills and strong ownership mindset

Strong advantage:

Familiarity with backend-as-a-service platforms (e.g., Supabase, Firebase) for auth, database, storage, and serverless functions
Exposure to alternative JS/TS runtimes (e.g., Deno, Bun)

Nice to Have

Hands-on experience with LLM APIs (e.g., OpenAI, Anthropic)
Familiarity with SSE streaming or real-time data patterns
Familiarity with MarTech platforms (e.g., Adobe, Salesforce, CDPs)
Experience with authentication systems (e.g., OAuth2, SAML, SSO)

Why This Role

Build products, not projects
Direct impact on how Merkle delivers at scale
Work at the intersection of AI, engineering, and platform thinking
High ownership and room to shape solutions

What We Offer

A dynamic, international work environment with colleagues from around the globe.
A challenging position at a successful company in a growing market.
A fun and inclusive culture-think foosball, table tennis, themed events, and team parties.
3 extra days off (yes, at Merkle we take your well-being very seriously) - in addition to 25 annual vacation days, there are 3 Well-being Days.
2 Social Impact Days - you can volunteer for a charity of your choice.
Extensive learning and development opportunities, including a wide range of personal and online training.
A hybrid work model, with 2-3 days in the office and the rest working from home.
A competitive salary and excellent secondary benefits.

Company Description

Merkle, a dentsu company, powers the experience economy. For over 35 years, Merkle has placed people at the heart of its digital business transformation approach. As the only integrated experience consultancy with a heritage in data science and business performance, Merkle delivers holistic, end-to-end experiences that drive growth, engagement, and loyalty. Recognized as a "Leader" by top industry analysts in categories such as digital transformation, commerce, experience design, engineering, technology integration, digital marketing, data science, CRM, loyalty, and customer data management, Merkle operates in 30+ countries with over 16,000 employees. In the Netherlands, more than 150 Merkle employees work with clients like ASML, Albert Heijn, HEMA, Carglass, and Signify. Merkle Netherlands is a strategic partner of Google, Adobe, Salesforce, and Selligent. For more information, visit www.merkle.com.

Diversity and Inclusion
At dentsu we believe in the power of diversity. We welcome all applications regardless of age, disability, gender reassignment, marital or civil partner status, pregnancy or maternity, race, color, nationality, ethnic or national origin, religion or belief, sex, or sexual orientation.

Contact:
We look forward to receiving your application for any questions, please contact the TA in charge of this role: David Ryall, Senior Talent Acquisition Partner, EMEA, NE. #LI-MERKLE #LI-Hybrid #LI-DR2

Location:

Rotterdam

Brand:

Merkle

Time Type:

Full time

Contract Type:

Fixed Term Contract (Fixed Term)

Nu solliciteren

Verfijn je zoekopdracht

api developer vacatures in zuid holland

Full Stack Developer

Full Stack Developer

Senior Backend Developer (.NET / C#) – API, AI & OpenEdge ABL – Fulltime

Junior/ Medior .NET Developer

Power Platform Consultant

Power Platform Consultant

front end ontwikkelaar cop (617269) JFC

AI-engineer Stellendam, Rotterdam Meer informatie

.Net Software Developer

Senior Agent - Software Developer – Full Stack Java, Solution Delivery Unit (FGIV)

Test Analist

Digital Consultant Geotechniek (Engineering & Data)

Functioneel Beheerder (32-40 uur, hybride) — in het hart van exportcontrole en sancties

PHP Developer (AI)

SR. Full Stack Software Developer

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

Senior Java Developer (Spring / Microservices) | Energy

Data Warehouse Developer

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

Junior back-end (PHP) developer

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

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