Senior JavaScript (React) Developer

Vistex; Walldorf; Hybrid; EUR 85.000 - 120.000; Vollzeit

Zusammenfassung

Vistex is seeking a skilled software engineer in Walldorf to design and scale complex applications using TypeScript, React, and modern UI patterns. You will lead technical analysis, drive frontend quality and performance, and collaborate closely with backend teams to define API contracts and integration strategies.

You will mentor mid-level and junior developers, contribute to design systems, and advance CI/CD and testing practices, while aligning with product and UX priorities in a fast-growth

Qualifikationen

• Bachelor's or better in Information Technology or related field.
• 6 years: Proven ability to design and build RESTful APIs, microservices, and complex backend services with practical experience in Docker-based deployments.
• Advanced state management and data fetching using React Query, Redux Toolkit, and Entity Framework.
• Solid understanding of Clean Architecture, SOLID principles, OOP, and Domain-Driven Design (DDD).
• Proficiency in modern frontend styling and standards, including CSS/SCSS, responsive design, and WCAG accessibility.
• Proficiency with Git, CI/CD pipelines, and Agile/Scrum methodologies.
• Good knowledge of cloud platforms and hands-on experience with Azure and/or AWS.
• Strong analytical, problem-solving, and technical communication skills.
• Excellent command of English, both written and spoken.

Aufgaben

• 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

Kenntnisse

RESTful APIs

Microservices

Docker

React

Redux Toolkit

React Query

Entity Framework

Clean Architecture

SOLID principles

DDD

CSS/SCSS

WCAG accessibility

Git

CI/CD

Agile/Scrum

Azure/AWS

Ausbildung

Bachelor's degree in Information Technology or related field

Tools

None

Jobbeschreibung

Every year, Vistexcontinues to grow! To ensure our organizations’ ability to proactively respond to its’ needs, we have created ongoing positions. Although we may not have an opening today, the Talent Acquisition team continues to have conversations with candidates who could potentially join our organization within 3, 6 or 9 months, depending on customer needs. As you look at your next career move—think about a great working atmosphere, collaborative teammates, a SAPrecognized and awarded Partner, and personal and professional success come together.Vistex| Now It All Adds Up™

Vistex is a global enterprise software and services company that helps businesses take control of their mission-critical processes. With a multitude of programs covering pricing, trade, royalties and incentives, it can be complicated to see where all the money is flowing, let alone how much difference it makes to the topline and the bottom line. With Vistex, business stakeholders can see the numbers, see what really works, and see what to do next – so they can make sure every dollar spent or earned is really driving growth, and not just additional costs. The world’s leading enterprises across a spectrum of industries rely on Vistex every day to propel their businesses.

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

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.™

Qualifications

Behaviors

Preferred

Functional Expert

Functional Expert

: Considered a thought leader on a subject

Team Player

: Works well as a member of a group

Dedicated

: Devoted to a task or purpose with loyalty or integrity

Motivations

Preferred

Ability to Make an Impact

: Inspired to perform well by the ability to contribute to the success of a project or the organization

Education

Required

Bachelors or better in Information Technology or related field.

Experience

Required

6 years:

Proven ability to design and build RESTful APIs, microservices, and complex backend services with practical experience in Docker-based deployments

Advanced state management and data fetching using React Query, Redux Toolkit, and Entity Framework

Solid understanding of Clean Architecture, SOLID principles, OOP, and Domain-Driven Design (DDD)

Proficiency in modern frontend styling and standards, including CSS/SCSS, responsive design, and WCAG accessibility

Proficiency with Git, CI/CD pipelines, and Agile/Scrum methodologies

Good knowledge of cloud platforms and hands-on experience with Azure and/or AWS

Strong analytical, problem-solving, and technical communication skills

Excellent command of English, both written and spoken