> Markdown version of [/jobs/ext/3954802-software-engineer-retool-platform-internal-applications](https://www.wearedevelopers.com/jobs/ext/3954802-software-engineer-retool-platform-internal-applications). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer (Retool Platform / Internal Applications) - **Company:** Katalyst Talent Agency - **Location:** Warrendale, PA, United States - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Amazon Web Services, Business Logic, Microsoft Azure, Continuous Integration, Data Retrieval, Database Theory, Github, Python (Programming Language), Node.Js, Standard Sql, SQL Databases, Systems Integration, TypeScript, Web Applications, Spring-boot, Information Technology, Graphql, Jenkins - **Published:** October 27, 2026 - **Apply:** https://www.careerjet.com/job/usbdca511679380584a820579f4ecc1106/eaa ## About the Role * Strong hands-on experience with Retool. * Proficiency in JavaScript / TypeScript. * Experience integrating REST / GraphQL APIs. * Strong knowledge of SQL and database concepts. * Experience building production-grade internal tools or web applications. * Strong problem-solving and analytical skills. * Attention to detail with focus on security and performance. * Ability to work independently and in cross-functional teams. * Bachelor's / Master's in Computer Science, IT, or related field. Good to Have: * Experience with backend technologies (e.g., Java Spring Boot, Node.js, Python). * Exposure to CI/CD tools like Jenkins or GitHub Actions. * Knowledge of cloud platforms (AWS / Azure / GCP). * Experience in healthcare or regulated environments. ## Description * Design, develop, and maintain internal tools and workflow applications using Retool. * Build reusable UI components and modular application structures. * Implement business logic using JavaScript / TypeScript within Retool. * Develop and optimize SQL queries for data retrieval and manipulation.