Senior Full Stack Engineer (PHP) in Rotterdam

pstrongJob Description /strong /p pAre you a strongSenior Full Stack Engineer /strongwho thrives on building scalable web applications and AI-driven tech and looking for high-autonomy impact on a 4 or 5-day workweek (32-40 hours)? /p pstrongYour Mission: /strong /p pAs our Senior Full Stack Engineer in Groningen, your mission is to architect, build, and scale core features across our recruitment technology platform. Working across the full software lifecycle, exclusively utilizing Svelte on the frontend and Symfony 8 on the backend, you will help empower hundreds of global enterprises to hire smarter. We are looking for a true software engineer who writes clean, foundational code rather than relying solely on framework-level scripting. Bringing senior-level engineering rigor and a passion for clean architecture, you will turn complex product visions into high-performing, maintainable code. /p pstrongWhat You Will Do: /strong /p ulliArchitect, develop, and maintain responsive frontend applications strictly in Svelte and robust backend services exclusively in Symfony 8 across the platform ecosystem. /liliCollaborate closely with product managers, UI/UX designers, and QA engineers to scope, estimate, and ship scalable, high-impact features in an Agile environment. /liliIntegrate modern AI capabilities, data pipelines, and third-party systems (such as ATS platforms) through reliable RESTful and GraphQL APIs. /liliWrite clean, highly testable, and efficient core code, demonstrating deep language fundamentals and custom software engineering beyond framework-level scripting. /liliConduct thoughtful code reviews, champion CI/CD automated workflows, and ensure system reliability, performance, and security. /liliIdentify and execute tech debt refactoring, optimize database/query performance, and troubleshoot complex production issues across the stack. /liliShare expertise, collaborate asynchronously, and help foster an inclusive, engineering-first culture across our international team. /li /ul pstrongWhat We Look For: /strong /p ulli10+ years of professional software engineering experience developing full-stack web applications in modern SaaS or tech environments. /lili10+ years of deep experience in full-stack engineering, with proven, hands-on mastery of PHP (strictly Symfony framework) and modern frontend development (preferably Svelte). /liliStrong foundational programming skills, with the ability to write custom, low-level logic and clean architecture from scratch, rather than relying solely on framework abstractions, scripting and AI. /liliStrong expertise with relational and non-relational databases (e.g., MySQL, MariaDB) and designing scalable REST/GraphQL APIs. /liliPractical experience with cloud architecture (GCP), containerization (Docker), and modern CI/CD pipelines. /liliA strong dedication to automated testing practices (unit, integration, e2e) and clean code principles. /liliNative Dutch speaking, professional fluency in English, with the confidence to articulate technical ideas clearly to both technical and non-technical stakeholders. /li /ul pstrongWhy you can’t miss out on this opportunity /strong /p pWe take good care of our VONQies and that shows in our benefits package: /p ulliA paycheck that fairly reflects the market and your experience, and of course, monthly pension contributions /liliA MacBook for both business and private use! /liliA fixed monthly phone expense allowance /liliA premium HeadSpace subscription to recharge your batteries after work. /liliFlexible vacation days - that#39;s right, we will not define a specific number, though a fair-usage approach applies to keep all team members happy! ✈️ /lili100% reimbursement of your public transport expenses, so you can come to this lovely office worry-free. /liliStill prefer to use your own vehicle? We offer a KM reimbursement, and parking is on us! /liliA hybrid work model - work in the office and from home. ⏰ /liliSnacks, sodas, coffee, and everything you need for a “pick me up” break. /liliOpportunities to grow your skills and take on exciting challenges in an entrepreneurial environment. No silos, no corporate red tape - share your ideas freely, even directly with the CEO /liliA great, fun and young team in a dynamic, fast-growing international tech company — together we are stronger! /li /ul pBuckle up and get hired! Here’s our interview process: /p olliRecruiter Call – A quick, friendly chat to see if we#39;re a mutual match. /liliMeet Your Manager – Dive into what the role actually looks like IRL. /liliMeet the PE Team – Show us how you approach. /liliFinal Step: Reference Checks – A quick chat with 2 former managers/ clients/ colleagues to hear what it’s like to partner with you. /li /ol pYou can start by clicking on the #39;Apply#39; button. Questions? Contact HR through /p pstrongGet to know us! /strong /p pVONQ is the next-generation agentic AI recruitment technology company, helping more than 350 global enterprises and staffing agencies attract, evaluate, and advance talent. With 20+ years of market expertise and deep integrations with 70+ ATS partners, VONQ combines AI-driven job distribution and expert insights to deliver high-quality candidates while elevating employer brands. /p pThrough its EQO platform and specialised AI Agents, VONQ supports recruiters by engaging candidates, assessing them consistently, and providing transparent, comparable shortlists. /p pHeadquartered in Rotterdam, VONQ operates offices in Groningen, Düsseldorf, and London and is a four-time Strategic Leader in the Fosway Group 9-Grid™ for Talent Acquisition. /p pWith over 110 team members across the globe, we’re building the future of hiring together - and we’d love to make it happen with you. /p pBy clicking the link above or any third-party link within this posting, you are leaving this site and going to a third-party website where the third-party website#39;s terms and privacy policy apply /p