Full Stack Engineer
SynteraNetherlands19 hours ago
Full-timeInformation Technology
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As a Founding Senior Full Stack Engineer, you won't just write code – you'll shape the core of a product that's already changing how companies grow. You'll own features end-to-end, from database to UI, and see your work directly drive customer success. You'll build alongside the founders, talk to real users, and make decisions that define our technical direction for years to come.
If you've been waiting for the right moment to join an early-stage company where your work genuinely matters – this is it.
What you’ll driveThis is not a role where you'll be handed specs and expected to execute. You'll work on a product that's live, growing, and used daily by sales teams across Europe. You'll shape what we build and how we build it.
You will:Own and develop core product features across our entire stack (Python/FastAPI backend, TypeScript/React frontend)Collaborate directly with founders and customers to conceptualize, design, and ship new featuresMake architectural decisions that balance speed, scalability, and maintainabilityDebug production issues, optimize performance, and ensure our platform stays reliable as we scaleContribute to a codebase that leverages cutting-edge AI – and help us push its boundaries furtherTake on whatever the moment demands – in an early-stage startup, the lines between roles blur, and that's the pointYou won't just build features. You'll help build a company.
Who thrives hereYou've built and shipped real products before. You understand what it takes to move fast. You're energized by ambiguity, not paralyzed by it – and you'd rather ask for forgiveness than wait for permission.You're someone who learns constantly, experiments boldly, thinks in systems – and earns trust through delivery, not promises.
You bring:Significant experience as a full-stack engineer, ideally at a medior/senior levelStrong backend skills in PythonSolid knowledge in TypeScript and ReactExperience operating software at scale in production environmentsFluent English with the ability to communicate complex technical concepts clearly
Multiple opportunities to join a fantastic business, please send CVs directly to the job advertisement or to [email protected]
If you've been waiting for the right moment to join an early-stage company where your work genuinely matters – this is it.
What you’ll driveThis is not a role where you'll be handed specs and expected to execute. You'll work on a product that's live, growing, and used daily by sales teams across Europe. You'll shape what we build and how we build it.
You will:Own and develop core product features across our entire stack (Python/FastAPI backend, TypeScript/React frontend)Collaborate directly with founders and customers to conceptualize, design, and ship new featuresMake architectural decisions that balance speed, scalability, and maintainabilityDebug production issues, optimize performance, and ensure our platform stays reliable as we scaleContribute to a codebase that leverages cutting-edge AI – and help us push its boundaries furtherTake on whatever the moment demands – in an early-stage startup, the lines between roles blur, and that's the pointYou won't just build features. You'll help build a company.
Who thrives hereYou've built and shipped real products before. You understand what it takes to move fast. You're energized by ambiguity, not paralyzed by it – and you'd rather ask for forgiveness than wait for permission.You're someone who learns constantly, experiments boldly, thinks in systems – and earns trust through delivery, not promises.
You bring:Significant experience as a full-stack engineer, ideally at a medior/senior levelStrong backend skills in PythonSolid knowledge in TypeScript and ReactExperience operating software at scale in production environmentsFluent English with the ability to communicate complex technical concepts clearly
Multiple opportunities to join a fantastic business, please send CVs directly to the job advertisement or to [email protected]
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