83 backend developer English-speaking jobs in Rotterdam

JOB PURPOSE Looking to kick off your engineering career as a backend developer? ... You might already work as a part-time developer. ... You have a specific passion and relevant experience with backend frameworks. ... During this internship, you'll join our talent program designed to shape you into a next-level developer ... A backend is the architect behind the scenes, ensuring data flows seamlessly and powering the digital

of KPN's developer experience. ... Company Description You'll join an international team of 13 professionals — front-end and backend ... You'll design, build, and maintain reliable, high-performing backend services and APIs that connect ... developers, API experts, and cloud engineers — all dedicated to making KPN's developer experience ... Job Description As a Software Engineer in the Developer Portal team, you'll help shape the backbone

You will join Eneco's Python tech team within Ops&IT and be part of the larger Eneco backend developer ... Together, we establish backend standards and contribute to the advancement of a sustainable energy system

We are looking for a Front-End Developer who can confidently move between component-based React apps ... 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

We are looking for a Front-End Developer who can confidently move between component-based React apps ... You’ll work closely with design, product and backend teams to build fast, accessible and reliable user ... device compatibility and maintain UI consistency across products Collaborate with product, design and backend

We are looking for a Front-End Developer who can confidently move between component-based React apps ... You’ll work closely with design, product and backend teams to build fast, accessible and reliable user ... device compatibility and maintain UI consistency across products Collaborate with product, design and backend

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

AI-Multiplied Developer You use AI tools strategically (Claude Code, Copilot, v0, or similar) to ship ... No waiting for "the backend team" or "the design team." Outcome Obsessed, Not Output ... You'll talk to customers (or sales/PMs as proxies), design the UX, build frontend to backend, ship ... What We'll Ask Be ready to walk through: A complete feature you owned end-to-end (frontend to backend

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

REST APIs, microservices, scalable backend systems. ... Create user interfaces or backend systems that interact with LLMs efficiently and safely.

RESTful APIs Technical fluency: Deep familiarity with backend architectures, cloud services (AWS, Azure ... business goals API design and development: Drive the design, delivery, and standardization of scalable, developer-friendly ... discipline API expertise: Proven success in designing, delivering, documenting, and maintaining scalable, developer-friendly

Coolblue Rotterdam, South Holland, Netherlands As a Team Lead TypeScript Backend, you build and lead

Key Responsibilities Lead and mentor: Guide a team of ~6 senior backend engineers (Go, PHP) through 1 ... Technically hands-on: Strong backend development background, ideally with Go or PHP, and a good grasp ... About you Experienced leader: 5+ years leading and mentoring senior backend engineers in production environments

Experience developing robust backend services, ideally using Rust or familiarity with typed backend languages ... Job Description Deliver end‐to‐end product features – from backend APIs and data models to engaging, ... Experience Proven experience building full‐stack web applications with strong command of both frontend and backend

From backend logic and integrations to the parts our users actually see.

Do Lead and Build – Set the technical direction while contributing hands‐on to key projects across backend ... Our Tech Stack Backend: Python (Odoo ERP) Frontend: Vue.js & Nuxt 3 Infrastructure: Google Cloud Platform ... years of professional experience in software engineering, with a strong background in both frontend and backend

You have a broad technology base but favour backend code and infrastructure. ... Holland, Netherlands 5 months ago Rotterdam, South Holland, Netherlands 2 months ago Senior Front-End Developer ... Canonical's Store team develops and operates a large system of backend services that power the Snap

stack: from multimodal AI (processing video, images, audio, and text) to web architecture (frontend, backend ... Tech stack (indicative) Frontend: Next.js, TypeScript, Tailwind/React Backend: Typescript or Python ... background 5+ years in full‐stack / AI engineering, you've built both the web application (frontend/backend

Own the Backend: Take full ownership of key backend services, from design to deployment, ensuring they ... Job description Were looking for a Senior Backend Engineer to help design and build the scalable backbone ... Lead the modernization of our existing system, with a clear focus on decoupling the frontend from the backend ... Mentor and Lead: Guide and mentor other backend developers, sharing your expertise in API design, performance ... requirements What Were Looking For: Proven Seniority: At least 5+ years of professional experience in backend

You’ll support our full-time automation engineer by solving backend/API issues, reviewing logic, and ... support long-term efficiency Requirements You’re a Great Fit If You Have: 3+ years in AI systems, backend ... experience with GPT APIs, LangChain, vector databases, and automation tools Strong API, webhook, and backend