Senior Software Engineer, Frontend – Web Foundation

WHAT YOULL DO 

We are seeking a seasoned Senior Software Engineer who will play a tech lead role in the Web Foundation team. Youll have deep expertise in frontend and web architecture holistically with strong depth in React TypeScript and . 

Web Foundation is the core architecture team for H&Ms web channel. As H&Ms strategy shifts toward personalization and modernization architecture decisions matter more than ever. Youll partner with the Engineering Manager and the team to define whats next for our architecture enable new capabilities and build patterns that let teams move independently at scale. Youll have autonomy to lead technically while staying aligned on business and team strategy. 

In this role you will: 

• Lead technical initiatives and strategy. Partner with the Engineering Manager and team to define technical priorities aligned with business needs (personalization modernization performance). Guide architectural decisions and technical challenges. 
• Own technical direction and architecture decisions. Set direction on React/ strategy build system evolution performance optimization and design system patterns. Make decisions about middleware layers component architecture and performance trade-offs. 
• Conduct rigorous code reviews and mentor through feedback. Review code carefully provide feedback that helps engineers learn and improve. Set the bar for quality and help the team think architecturally. 
• Explore and validate emerging technologies. Lead prototypes and proof-of-concepts (App Router Suspense RSCs Server Components new tooling). Evaluate and help the team adopt new approaches critically. 
• Work hands-on with code. You prototype debug validate architectural ideas and document decisions. You stay grounded in reality. 
• Facilitate alignment across teams. Work with backend platform and security architects on middleware design API contracts and cross-team concerns. Communicate technical direction clearly and navigate trade-offs. 

ABOUT THE TEAM 

Were a team of senior engineers who solve complex problems together. We discuss architecture technology and design patternsand listen to each others perspectives. We build Web Foundations internal tools and architecture which means were both enabling product teams and evolving how we work. We value diverse perspectives and backgrounds. What unites us is a shared commitment: solving problems for H&Ms customers on . 

Your team: 7-10 senior engineers and consultants. 

WHO YOULL WORK WITH 

• Engineering Manager You partner on technical strategy business alignment and team direction. 
• Senior engineers You mentor them and shape their growth. 
• Product and backend teams You partner on requirements and architectural approaches. 
• Platform team They implement your architectural designs and own tooling. 
• Engineers across H&M You influence architectural direction across the organization. 

Qualifications :

WHO YOU ARE 

Must-have: 

• 8-10 years as a Software Engineer with proven experience leading teams and making architectural decisions. 
• Experience leading initiatives and playing a tech lead role. Youve stepped up owned initiatives and guided technical direction. 
• Substantial experience building or refactoring large-scale web platforms (ecommerce SaaS fintech or similar). 
• Deep expertise in frontend and web architecture. You understand component composition state management performance optimization bundler configuration (Webpack Rollup esbuild) and code splitting. 
• Excellent communication and stakeholder management. You explain technical concepts clearly to engineers product and leadership. 
• Team collaboration. You work well across organizational boundaries and navigate cross-team dynamics. 
• Willingness to explore and learn. Youre curious about new technologies evaluate them critically and drive exploration through prototypes. 
• Deep proficiency in TypeScript and . Youve shipped production code in all four. 
• Shipped code that optimizes for performance. Youve debugged performance issues across the stackbundle size Core Web Vitals network waterfalls rendering. 
• Led or influenced architectural decisions. Youve written RFCs design docs or architectural decision records. 
• Deep knowledge of how SEO accessibility (a11y) and performance impact user experience. 
• Experience with CI/CD pipelines and modern testing frameworks (Jest React Testing Library). 

Nice-to-have: 

• Experience designing and shipping middleware layers. You understand API contracts caching strategies and error handling. 
• Azure or similar cloud platform experience. 
• Experience building AI-assisted tools or agents. 
• Shipped security-sensitive code and understand backend authentication/authorization patterns. 

Technical working style: 

• You conduct code reviews and mentor through feedback. Your reviews set the bar for quality and help engineers learn. 
• You diagnose before designing. You identify root causes before proposing solutions. 
• You explain trade-offs clearly. You explain technical decisions to both engineers and non-technical stakeholders. 
• You document decisions that matter. You write RFCs design docs and architectural decision records. 
• You validate your ideas. You prototype and test assumptions before committing to decisions. 
• You focus on performance. You understand optimization help teams prioritize it and drive improvements. 
• You help with prioritization and unblocking. You support the team in making trade-off decisions and removing blockers. 
• You share what you learn. You document explorations and help the team level up. 
• You lead by example. You write code follow the standards you set and take accountability for outcomes. 
• You communicate proactively. You document decisions and flag risks early. 
• You balance shipping with sustainability. You know when to move fast and when to build right for long-term health. 

And people who are: 

• Curious. You get excited about architecture and solving hard problems. You want to understand how things work. 
• Willing to go deep. Youre not satisfied with surface-level answers. You investigate until you understand. 
• Driven to learn and share. You love exploring new technologies and helping your team learn too. 
• An excellent team player. You collaborate well with others listen actively and contribute to a positive team dynamic. 
• Respectful and collaborative. You value diverse perspectives and backgrounds. Youre united with your team around solving for H&Ms customers. 

Additional Information :

WHY YOULL LOVE WORKING HERE 

The work: 

• Solve continuous architectural challenges at scale. How do teams ship independently on a complex platform How do we enable personalization without chaos How do we modernize systems while maintaining momentum 
• Lead exploration and learning. Youll evaluate emerging technologies run proof-of-concepts and help the team adopt new approaches. Youre evolving the system not maintaining a fixed one. 
• Partnership on strategy. You work with the Engineering Manager on technical and business alignment. Your technical input shapes what you build. 
• Learn at scale. 50M monthly users 60 markets 200 engineers. Scale problems you solve here wont exist at smaller companies. 
• Build for real customers. Personalization modernization performancethese matter to H&Ms customers. Your work directly enables them. 

Benefits & Perks: 

• Staff discount on all H&M Group brands (in-store and online) 
• H&M Incentive Program (HIP) with competitive benefits 
• Collective Agreement and ITP pensions (Swedish market competitive) 
• 30 days vacation health care allowance strong work-life balance 
• Benify partner discounts and other perks 

WHO WE ARE 

H&M Group is a global fashion company committed to exceptional design affordability and sustainability. Our goal is to liberate fashion for the many. 

The Web Foundation team is the technical backbone of H&Ms web platform working to enable fast scalable and reliable product delivery across the organization. 

JOIN US 

Full-time permanent position. Hybrid based in Stockholm Sweden. Start as soon as possible. 

Apply with your CV in English through our career page only. 

We are committed to fair equitable hiring based on merit. Please do not include a cover letter your CV is what matters. 

Remote Work :

No

Employment Type :

Full-time