Software Engineer

Job Description
WHAT YOU'LL DO
We are seeking highly skilled Full Stack Software Engineers specializing in.NET and development to build and enhance scalable, high-performance enterprise applications. This role involves working with .NET Core, cloud-native technologies, microservices, modern frontend frameworks, and DevOps automation while ensuring security, performance, and reliability.

As a Software Engineer, you will be responsible for designing, developing, and maintaining high-quality software solutions that meet the needs of our organization and clients. You will collaborate with cross-functional teams to analyze requirements, develop efficient code, perform rigorous testing, and deliver robust software products. The ideal candidate has a strong background in software development, a passion for technology, and a drive for continuous learning and improvement.

At H&M, one of our core principles is "We are One Team." You will be part of a global team working alongside colleagues in Sweden.

Who You'll Work With
You'll be working with the Assortment Demand Planning team within CoE Engineering—a global, cross-functional team focused on enabling data-driven quantification at the heart of H&M Group's customer offering.

Our mission is to support the Assortment Office with intelligent, scalable, and intuitive tools that drive accurate sales and demand forecasting—enabling the creation of relevant, balanced, and profitable assortments.

The product suite is built on a modern, cloud-based architecture leveraging .NET Core, , and Angular, alongside some legacy components with a clear roadmap toward modernization. These applications process large volumes of sales and demand data to support critical planning and quantification decisions across the assortment lifecycle.

Our team comprises 18 engineers—including full-time employees in India, consultants in Stockholm, and remote consultants—working collaboratively to deliver high-impact solutions through continuous improvement, strong engineering practices, and a shared commitment to H&M's assortment success.

Key Responsibilities

• Design, develop, and optimize enterprise applications using .NET Core, , and modern cloud technologies.
• Architect and implement scalable microservices and frontend solutions with a focus on performance and security.
• Develop and maintain REST APIs and frontend components, ensuring high availability and reliability.
• Implement CI/CD pipelines, DevOps automation, and Infrastructure as Code (IaC) for deployment efficiency.
• Ensure secure coding practices, implementing authentication and authorization using OAuth 2.0, OpenID Connect, and JWT.
• Troubleshoot performance bottlenecks and memory leaks, optimizing applications for scalability and extensibility.
• Implement logging, monitoring, and analytics-driven production performance tuning.
• Collaborate with cross-functional teams, including product managers, DevOps, and cloud architects.
• Drive best practices in software development, security, and code reviews.

Who You Are
We are looking for people with

• 3-6 years of professional experience using .NET technologies. Strong proficiency in C#, ASP.NET, and .NET Core
• Strong foundation in .NET Core, OOP principles, design patterns, and microservices.
• Hands-on experience with REST API development and .NET testing frameworks (NUnit, xUnit,Moq).
• Proficiency in , JavaScript, TypeScript, and state management libraries (Redux, Context API).
• Knowledge of CI/CD pipelines, build automation tools (MSBuild, NuGet), and DevOps fundamentals.
• Experience with frontend unit testing frameworks (Jest, React Testing Library, Cypress).
• Understanding of cloud computing (Azure) and containerization (Docker, Kubernetes).
• Experience with database development using SQL (SQL Server, PostgreSQL) and NoSQL databases.
• Understanding of messaging systems like RabbitMQ, MSMQ, and Kafka.
• Exposure to logging frameworks (log4net, Serilog) and monitoring tools (Datadog, Grafana,ELK).

Preferred Skills:

• Strong understanding of responsive web design, accessibility, and cross-browser compatibility.
• Familiarity with frontend performance optimization techniques.
• Experience with GraphQL and API Gateway implementations.
• Understanding of multi-threading, collection frameworks, and exception handling.
• Familiarity with security best practices and API authentication mechanisms.
• Basic cloud certifications like Azure AZ-900.

And people who are

• Passionate about problem-solving and building scalable applications.
• Excited about working in a fast-paced, Agile environment.
• Open to learning and adapting to new technologies and best practices.
• Team players with strong collaboration and communication skills.

Who We Are
H&M is a global company of strong fashion brands and ventures. Our goal is to prove that there is no compromise between exceptional design, affordable prices, and sustainable solutions. We want to liberate fashion for the many, and our customers are at the heart of every decision we make.

We are made up of thousands of passionate and talented colleagues united by our shared culture and values. Together, we want to use our power, our scale, and our knowledge to push the fashion industry towards a more inclusive and sustainable future.

Help us re-imagine fashion and together we will re-shape our industry. Learn more about H&M here.

WHY YOU'LL LOVE WORKING HERE
At H&M, we are proud to be a vibrant and welcoming company. We offer our employees attractive benefits with extensive development opportunities around the globe.

We offer all our employees at H&M attractive benefits with extensive development opportunities around the globe. All our employees receive a staff discount card, usable on all our H&M brands in stores and online. Brands covered by the discount are H&M (Beauty and Move included), COS, Weekday, Monki, H&M HOME, & Other Stories, ARKET, Afound. In addition to our staff discount, all our employees are included in our H&M Incentive Program – HIP. You can read more about our H&M Incentive Program here.

In addition to our global benefits, all our local markets offer different competitive perks and benefits. Please note that they may differ between employment types and countries.

JOIN US
Our uniqueness comes from a combination of many things – our inclusive and collaborative culture, our strong values, and opportunities for growth. But most of all, it's our people who make us who we are.

Take the next step in your career together with us. The journey starts here.

• We are committed to a recruitment process that is fair, equitable, and based on competency. We therefore kindly ask you to not attach a cover letter in your application