Software Engineer

**Job Description** * Own end\-to\-end delivery of complex frontend features using TypeScript and React, from design through production. * Design scalable, maintainable architectures for large enterprise applications (modularization, code splitting, performance). * Lead state management strategy (e.g., Redux, Zustand, React Query), ensuring predictable data flow and performance. * Build and integrate with APIs and BFF layers; contribute to Node.js services where needed. * Translate product and design requirements into high\-quality, accessible UI (WCAG\-compliant, semantic HTML, responsive CSS). * Drive performance optimization (rendering, bundle size, network usage, caching). * Establish and enforce coding standards, patterns, and best practices across the codebase. * Conduct code reviews, mentor engineers, and raise the overall engineering bar. * Apply strong, proactive debugging practices to identify, isolate, and resolve issues early across environments. * Diagnose and resolve complex production issues using structured debugging, logging, and observability tools. * Embed security best practices into development (secure coding, input validation, auth flows, data protection), and ensure compliance—especially for payment\-related flows. * Collaborate with backend, SRE, security, and product teams to ensure reliable, secure, and scalable solutions. * Contribute to CI/CD pipelines, testing strategies (unit, integration, e2e), and release processes. * Participate actively in Agile ceremonies; break down work, estimate, and deliver iteratively. **Meritorious** * Experience in payments domain (checkout flows, PCI considerations, transaction handling). * Full\-stack exposure with Node.js, API design, and BFF patterns. * Familiarity with cloud platforms and edge/CDN strategies. * Experience with design systems and component libraries at scale. **Please explain how you meet all the requirements** **when applying.** **Utilization:** 100 **%** **Location:** Stockholm **Period** : 25\-05\-2026\-31\-12\-2026 **Last day to apply** : 13\-05\-2026 We present regularly. This means that we sometimes remove the assignements from our website before the final application deadline. If you are interested in an assignement, we recommend that you submit your application as soon as possible.