181 backend developer English-speaking jobs in Rotterdam
Engineering Manager - Backend (Engineering Platforms)
- Eneco
- Rotterdam
- February 28
automation.Experience establishing API management practices—governance, versioning documentation, and developer ... engineering workflows.Drive automation to eliminate toil, improve operational efficiency, and accelerate developer ... high-performing team while driving hands-on improvements to our cloud infrastructure, deployment pipelines, and developer ... establishing and measuring SLOs/SLIs and running incident response processes.Hands-on experience with Internal Developer ... team, you will lead at the intersection of backend .NET development and platform engineering.
Senior Frontend Developer
- Multisynaptech
- Rotterdam
- March 12
We are looking for a Senior Frontend Developer who becomes the driving factor within our frontend development ... Who you are Outgoing personality with a strong drive . 5+ years of experience as asenior frontend developer ... Pro-active collaborator with backend teams on API integration and data modeling. ... high-performing, stateful frontend using Vue 3 and Pinia , working closely with designers, frontend and backend ... Integrate with real-time backend services (e.g., chat, notifications, or live patient data) while ensuring
Senior Backend Developer C# .NET
- VI Company
- Rotterdam
- March 12
Developer at Vi We're looking for a Senior Backend Developer who can truly elevate our software ... Join to apply for the Senior Backend Developer C# .NET role at VI CompanyAt VI Company, we take a different ... determines how these complex financial systems grow and adapt over time.What you'll be doing as Senior Backend
Medior / Senior PHP Developer
- Pionect
- Rotterdam
- February 8
Overview Pionect is growing and is looking for an experienced Backend Developer (PHP). ... As an experienced Backend Developer you will develop medium to large complex web applications, web shops
Lead Python Developer
- BB-inIT
- Rotterdam
- February 26
Python Developer Role summary The Lead Python Engineer works on external client projects to design and ... time of application.Responsibilities Hands-On Development: Design, build, and maintain Python-based backend ... patterns, and make key technical decisions to ensure scalable, reliable, and maintainable systems.Data & Backend ... Integration: Design and optimize data models, database schemas, and integrations across data pipelines and backend
Senior Backend Developer C# .NET
- Rotterdam Innovation City
- Rotterdam
- March 15
Developer at ViWe're looking for a Senior Backend Developer who can truly elevate our software solutions ... determines how these complex financial systems grow and adapt over time.What you'll be doing as Senior Backend
Full-Stack Software Engineer (UI/UX focused)
- Swisscom AG
- Rotterdam
- March 9
We are looking for a motivated and experienced Full-Stack Software Developer (Mid-Level) with a focus ... on Frontend (React) and Backend (Java) to strengthen our dynamic development team. ... passionate about creating intuitive user interfaces, building engaging dashboards, and developing scalable backend ... your own solutions and implementation ideas Broad range of tasks working with the newest frontend, backend ... monitoring interfaces and robust services Shape the full technology stack – from interactive dashboards to backend
Team Lead TypeScript Backend
- Coolblue
- Rotterdam
- February 3
You are not only the team captain but also a hands-on developer, spending 75-80% of your time coding, ... Overview As a Team Lead TypeScript Backend, you build and lead a team that excels at delivering high-quality ... As a Team Lead Tech TypeScript Backend, you lead a multidisciplinary team of 3-7 Coolblue colleagues. ... , you provide technical solutions that delight our customers.How do I become a Team Lead TypeScript Backend
Python developer
- Shareforcelegal
- Rotterdam
- March 12
We are looking for a medior/senior Python developer to join our AI team. ... (backend architectures)Async communications,Basic Networking & SecurityDesign patterns (SOLID, etc.) ... you should be familiar with the following:Scripting & backend skillsLinux, Unix based system knowledgeA ... 5 years)Are available 32 to 40 hours a weekYour qualifications and skills As an experienced Python developer
Senior Software Engineer
- FuelFWD
- Rotterdam
- March 12
Proven ability to work across a modern tech stack (frontend, backend, infra). ... Monitor and improve performance, reliability, and developer ergonomics. ... Troubleshoot, debug, and fix issues across the stack — from frontend UX to backend performance. ... Holland, Netherlands 2 weeks ago Rotterdam, South Holland, Netherlands 1 week ago Senior Front-End Developer ... – (Remote) Rotterdam, South Holland, Netherlands 1 week ago Technical Architect / Senior Fullstack Developer
Lead Frontend Developer
- Freeday
- Rotterdam
- March 10
We're looking for a Lead Frontend Developer who doesn't just build great interfaces, but who ... There's also room to go deeper into the backend if you're curious. ... should provide, closely working with backend developers to get the best results. ... You'll work closely with designers, backend engineers and product to turn complex AI-powered functionality ... shaping ideas, not just at implementation time Build frontend first, you pave the way and define what the backend
Software Engineer
- Lunatech
- Rotterdam
- March 12
custom-made software systems , mainly for systems integration, machine learning, big data projects, and backend ... You are a fast learner , passionate , and driven developer, eager to pick up new technologies and willing
Full-Stack Developer
- Portbase
- Rotterdam
- March 13
You will take ownership of frontend solutions while also contributing to backend development, like shaping ... Description of your professional missionAs a developer within the Bezoek Schip team, you will design, ... You are a Full Stack Developer who values well‐structured, maintainable code and a high‐quality user
Front-End Developer (React, Redux)
- Alphacomm - the revenue boosting platform
- Rotterdam
- March 15
We are seeking a Front-End Developer who is proficient in working with component-based React apps and ... You'll work closely with design, product and backend teams to build fast, accessible and reliable ... device compatibility and maintain UI consistency across products Collaborate with product, design and backend
Front-End Developer (React, Redux)
- Alphacomm (NL)
- Rotterdam
- March 9
We are seeking a Front-End Developer who is proficient in working with component-based React apps and ... You'll work closely with design, product and backend teams to build fast, accessible and reliable ... device compatibility and maintain UI consistency across products Collaborate with product, design and backend
Full Stack Engineer
- Ortec Finance
- Rotterdam
- March 24
the backend logic that makes everything run smoothly. ... You are a developer who enjoys bringing beautiful, intuitive interfaces to life but also likes building ... In addition, you will work on backend services (Java, Kotlin, Spring Boot) to deliver end‐to‐end features
Principal Frontend Engineer
- Mentor Talent Acquisition
- Rotterdam
- February 28
Lead the development of headless architectures (Vue.js / Nuxt) and backend-agnostic frontends built for ... Proactively identify bottlenecks and design streamlined, efficient systems that maximize developer velocity
Medior C# Developer Studio Pro Core
- Mendix
- Rotterdam
- January 25
in C#.The Role: Are you a hands-on, proactive C# developer who enjoys building complex development platforms ... Most development is C#/.NET and backend-focused, with selected native UI components also implemented ... builds and maintains critical platform components such as version control, solution governance, and backend ... practicesRequired Experience 4 plus years of professional experience in C# and .NETStrong background in backend
Frontend Developer - Deepdesk
- AnywhereNow
- Rotterdam
- March 9
The opportunityWe are looking for an experienced Frontend Developer to join our team. ... practices, while staying pragmatic (don't over‐engineer) Our stack The frontend talks with Python/Flask backend
Front-End Developer (React, Redux)
- Alphacomm
- Rotterdam
- March 6









































