Senior Front-End Engineer

Senior Front-End Engineer: Shape User Experience

Senior Front-End Engineer 2026-05-20T19:19:55+01:00

5+ years of experience building modern web applications and user interfaces

Strong expertise in Svelte/React, Typescript, testing frameworks like playwright

Eye for performance, UX and clean code in mission critical environments

Full ownership of front end architecture, design systems and user experience

Build high impact platforms for companies like Heineken and NXP Semiconductors

Competitive salary matched to your impact and technical level

At Synadia, we bridge the physical and digital worlds. We build IoT and cloud solutions that don’t just collect data, they understand, predict, and improve. No fluff, just real results.

We’re looking for a Senior Front-End Engineer who can build digital products that people actually want to use. At Synadia, you will shape the user experience behind mission critical IoT, cloud and AI platforms, build scalable front end architecture, and turn complex operational data into intuitive, high performance applications.

As a Senior Front-End Engineer at Synadia you will build and shape the digital layer behind mission critical operations.

You will create scalable, high performance interfaces that turn complex IoT, cloud and AI driven systems into intuitive products people can actually use. From real time dashboards to operational workflows, your work directly impacts how customers run their business.

Your role goes beyond building screens. You design front end architecture, improve user experience and ensure every application is fast, reliable and scalable. You translate complex backend logic into simple, effective interfaces that support real world operations.

Together with backend engineers, designers and customers, you build software that becomes the digital control layer for operational teams worldwide.

Build scalable front end applications for mission critical IoT, cloud and AI platforms

Own the front end architecture and help shape the user experience

Work closely with backend teams to translate data into real time interfaces

Turn operational complexity into simple and powerful software experiences

You bring technical depth, product thinking and the ability to build interfaces that scale.

As a Senior Front-End Engineer, you combine strong front end expertise with a sharp eye for user experience and performance. You know how to build scalable applications, make architectural decisions and create digital products that stay fast, stable and intuitive under pressure.

You understand that great software is more than code. You turn complexity into clarity, collaborate closely with backend teams and translate data into interfaces that help users make better decisions faster.

Strong experience with Svelte, React and TypeScript

Strong understanding of scalable front end architecture and performance optimization

Sharp eye for UX, usability and clean component driven development

Comfortable working with APIs, real time data and complex backend systems

Action driven, pragmatic and focused on building products that deliver

Thrives in fast moving environments where speed and quality matter

If you want to get a better feel for your potential new workplace, keep reading below.

Forget corporate layers, endless meetings and roadmaps that never lead anywhere. That’s not us. At Synadia we keep things sharp and simple. We move fast, we experiment and we ship, because technology should be about making things work, not talking about them forever.

Most of the time we deliver complete end-to-end solutions for our clients. That means you’re not just building a piece of technology, you’re shaping a full platform that has direct impact on how our customers run and grow their business. What you build today could be running in production tomorrow, at leading companies across the globe.

And of course, it’s not all work. We celebrate our wins and make time for fun together, whether it’s team events, dinners or those spontaneous get-togethers that always end up with good food, plenty of laughs and stories worth sharing the next day.

At Synadia we have a very clear vision. Everything we create must be scalable, serverless and as cloud-native as possible. That mindset allows us to take on exciting projects that are running at leading companies worldwide.

We bring together deep OT knowledge with modern cloud development. For us, speed and reliability go hand in hand, and security is always part of the design from day one. The platforms we deliver are fully serverless, cost-efficient, maintenance-free and ready for AI and ML. They don’t just connect devices, they also understand, predict and improve how those devices perform.

Our way of working is team-driven. Each autonomous team is fully responsible for its own project, from start to finish. The technical boundaries are clear, but within those boundaries there is complete freedom to make choices and build the best solution. That way every team stays sharp, aligned with our vision and focused on delivering real value to the customer.

And we don’t sit still. With continuous delivery we push code into production several times a day. What you build doesn’t wait in the background, it goes live and creates impact right away.

We enable physical assets to fully participate in the digital world.

With secure cloud architecture, smart data layers, and AI-driven intelligence, we build operational software that makes organizations digitally resilient.

So you can move faster, cut complexity, and let innovation happen naturally.

Synadia sets the course and stays close to the execution.