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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Catapult Sports - **Location:** Köln, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Query Performance, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Computer Programming, Databases, Database Schema, Software Debugging, Software Engineering, SQL Databases, TypeScript, Web Applications, Web Application Frameworks, Spring-boot, Backend, Git, Kotlin, AngularJS, Front End Software Development, Software Version Control - **Published:** July 18, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=58d581163fce48e9 ## About the Role * At least 5 years of software development experience. * Demonstrated experience programming in Typescript, Javascript, and Angular * Demonstrated experience programming in Kotlin or Java. * Demonstrated experience working in SQL and designing database schema * Ability to reason about and debug complex systems and applications * Experience with Git code management is highly desired. Other Requirements: * Very strong attention to detail. * Proven self-starter. * Ability to communicate well, both verbally and in writing. * Ability to prioritise and a "can-do" attitude. * Occasionally providing technical assistance to our customer support team ## Description We are looking for a talented Senior Full-Stack Software Engineer with a drive to build quality products. This role offers the opportunity to contribute across multiple applications and throughout the entire technology stack, from databases and backend services to APIs and front-end development. Based in Cologne, you will be a key player in the Engineering team working on the IMPECT family of applications. You'll contribute to IMPECT's internal services that power our data ecosystem, sourcing and managing data from external providers, ingesting and recording video content, and enabling large-scale event collection and annotation. You'll also help build and evolve the systems that support our data collection workforce, including tools for task assignment, progress tracking, deadline management, quality assurance, and accurate compensation. In addition, you'll develop database-driven tools that ensure consistency and detect anomalies, safeguarding data quality when integrating multiple data sources. IMPECT's applications are written in modern frameworks and provide exciting challenges. As a Senior Full Stack Engineer, you'll be part of a highly motivated team building and evolving the core services that power our data collection platform, forming the foundation for the applications we deliver to our customers. We believe that our customers deserve to have the leading technology, and we are on a mission to make the best possible products to enhance their performance. Our engineers drive this ethos by making sure all of this technology comes together in a way our customers love to use. WHAT YOU'LL DO * Contribute to the full software development lifecycle, including requirements gathering, design, implementation, testing, and deployment. * Build and maintain Angular web applications * Build and maintain Java Spring Boot APIs and backend services that power our applications * Design and implement database schema * Profile and optimize query performance in backend applications * Engage in architectural discussions to help design scalable and resilient systems. * Work directly with Product and Design on scoping and designing features * Work in multidisciplinary teams and interface with other engineers in our team and across various domains. * Document your work in a shared knowledge base platform. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)