Senior JavaScript (React) Developer

Vistex is growing and we are looking for Senior JavaScript (React) Developer, who will lead the design and evolution of complex software systems, blending technical expertise with the art of programming. Operating with high autonomy, you’ll influence architectural direction, mentor fellow developers, and contribute to cutting-edge technologies that redefine our client experiences

We are looking for a new colleague in Walldorf with over 6 years of experience in JavaScript, React and TypeScript and is open to work on-site at least two days per week.

Responsibilities:

• designing and scaling complex applications (using TypeScript, React, React Query, Redux, Vite, React Router), defining the evolution of frontend architecture, state management, and data-fetching strategies


• lead technical analysis and solution design for major features, driving improvements in coding standards and engineering practices across the UI domain


• owning the quality, performance, accessibility, and maintainability of frontend solutions, ensuring operational stability from development to production


• collaborating with backend teams to define API contracts and integrating services using REST, authentication, and real-time communication patterns


• resolving complex, ambiguous technical challenges across components and providing clear architectural direction for the team


• coaching and mentoring mid-level and junior developers through structured feedback, pairing, and leading high-standard code reviews.


• partnering with Product, UX/UI, and QA to translate requirements into seamless end-to-end user experiences.


• driving tooling, testing, and CI/CD improvements to enhance deployment processes and team productivity


• contributing to long-term technical strategy, shared component libraries, and design system evolution

Our offer: 

As a rapidly growing company Vistex offers a high degree of responsibility, flat hierarchies, flexible compensation and attractive benefits. We support your professional and personal development with internal training and workshops to make you ready for our exciting, international, multi-cultural work environment. 

About us: The Vistex platform helps businesses finally get control of all their different promotions, rebates, SPAs, discounts, and other incentives. With so many programs across so many partner relationships, it can be impossible to see where all the money is going, let alone how much difference it’s actually making to revenue. With Vistex, business leaders can see the numbers, see what really works, and see what to do next – so they can make sure every dollar they spend really is driving more growth, not just more costs. It’s why global enterprises ranging from Coca-Cola to Sony to Grainger rely on Vistex every day. Vistex | Now it all adds up.™