Software Engineer III

Company: 796 ShopRunner Poland sp. z o.o. Address: Mogilska 43 Street Scheduled Weekly Hours: 40 Worker Type: Regular Posting Start Date 28-Apr-2026 Posting Close Date: Job Family: FDW: Application Development

Position Summary

As a Senior Engineer you will work with the product and UI/UX team on new products and features or modify our core services and applications in our quest to help shoppers and retailers connect in new ways.

What You’ll be doing

• Design and lead the development of modern and responsive user interfaces
• Collaborate with UX/UI designers to translate design mockups into functional user interfaces
• Conduct code reviews and provide constructive feedback to foster a culture of code quality
• Collaborate with cross‑functional teams, including devops, backend developers and designers
• Implement optimizations to improve the overall user experience
• Develop reusable UI components to ensure consistency across the application
• Ensure that frontend applications are accessible and compatible across various browsers and devices

What we’re looking for

• Bachelor’s degree in computer science, engineering, or information systems or related field and/or equivalent formal training or work experience
• Four (4) years qualifying work experience in information technology or engineering
• Hands‑on experience in writing production code for web applications
• Practical knowledge in front‑end technologies such as JavaScript, TypeScript, CSS, HTML, with strong proficiency in TypeScript (generics, type‑safe APIs, strict mode)
• Expertise in the React ecosystem including React 19, React Router, modern bundlers (Rsbuild/Webpack/Vite), and micro‑frontend architectures (Module Federation)
• Experience with state management and data‑fetching libraries such as Zustand, TanStack React Query, and reactive patterns with RxJS
• Familiarity with modern component libraries and styling toolchains – HeroUI, Tailwind CSS, design‑token‑driven theming
• Experience with unit and E2E testing frameworks such as Jest, Testing Library, and Playwright
• Experience working with internal packages and publishing them to a private registry and Semantic Versioning
• Familiarity with CI/CD pipelines and release workflows – Azure DevOps, GitHub Actions, or Jenkins – including PR validation, artifact promotion, and multi‑environment deploys
• An understanding of cloud computing principles and practices; experience with production applications in cloud environments
• Azure and Kubernetes experience is preferred
• Knowledge in key programming concepts like memory management, optimization techniques, API design, relational mapping frameworks, and distributed applications
• An understanding of database concepts and experience writing SQL in a relational database such as MySQL or PostgreSQL
• Familiarity with monitoring and logging solutions
• Self‑starter who can move projects forward by filling in the gaps on Agile teams, from delivering complete, well‑defined functionalities with high quality standards, through reviewing other engineers’ code to contributing to design sessions

What You’ll get from us

• Great partners to work with – sharp engineering minds working on challenging projects to advance the global e‑commerce ecosystem
• Support from day one, including onboarding training and hands‑on, on‑the‑job learning opportunities
• Tuition Assistance Program to support your continued education and professional development
• A comprehensive benefits package, including life insurance, private healthcare, a sports card, and a lunch subsidy
• Employee Assistance Program offering confidential support for you and your family during challenging life situations
• Flexibility through remote or hybrid work options, enabling a healthy work‑life balance

We are an equal opportunity employer and we are committed to a diverse and inclusive workforce in which we provide growth opportunities for all.