Senior Software Engineer - Backend (.Net , Azure)

H & M Hennes & Mauritz Gbc AB; Stockholms kommun; On-site; SEK 900,000 - 1,100,000; Full time

Benefits offered by this job

Staff discount

HIP program

Pensions

Vacation 30 days

Benify discounts

Innovative tech

Global impact

Growth opportunities

Collaborative culture

Job summary

H&M Hennes & Mauritz Gbc AB is seeking a Senior Software Engineer for the Price Adjustments product. You will design, build, and maintain secure, scalable .NET/C# backend systems that enable pricing and adjustment capabilities across the business.

You will own API design, system performance, and observability, collaborating with Product, DevOps, and Platform teams. The role emphasizes secure coding, Azure cloud security, and mentoring fellow engineers in a fast-growing environment.

Qualifications

• Extensive experience with .NET Framework and C# in enterprise backends.
• Deep expertise in Microsoft Azure, cloud architecture, and security best practices.
• Strong knowledge of Entity Framework, T-SQL, and SQL Server; performance tuning.
• Experience designing APIs, distributed systems, and scalable architectures.
• Familiarity with CI/CD pipelines, GitHub Actions or similar tools.
• Experience with debugging, observability, and production incident management.
• Secure coding and application security practices.

Responsibilities

• Design and develop scalable, secure backend systems using .NET/C#.
• Drive API design and system-level decisions for maintainability and performance.
• Lead key technical initiatives from idea to production.
• Apply clean code and engineering best practices in daily delivery.
• Improve performance across application, database, and infrastructure layers.
• Strengthen observability through logging, monitoring, tracing, and alerting.
• Support secure development practices and Azure security standards.
• Collaborate with DevOps, platform, product, and other teams to improve CI/CD.
• Mentor and support other engineers to strengthen engineering culture.

Skills

.NET/C#

Azure

APIs

CI/CD

Observability

Security

Mentoring

Distributed systems

Performance tuning

Tools

Entity Framework

SQL Server

GitHub Actions

Docker/Kubernetes

Azure Data Factory

Job description

Job Description

As a Senior Software Engineer in the Price Adjustments product, you will design, build, and improve secure, scalable backend solutions that support pricing and adjustment capabilities across H&M. You will work end-to-end across the software lifecycle, from solution design and development to testing, release, maintenance, and continuous improvement.

What you'll do

• Design and develop scalable, secure, and high-performing backend systems using .NET/C#.
• Drive API design and system-level decisions with focus on maintainability, performance, and extensibility.
• Drive key technical initiatives from idea to production, ensuring quality and long-term sustainability.
• Apply clean code, SOLID principles, testing strategies, and engineering best practices in daily delivery.
• Improve system performance across application, database, and infrastructure layers.
• Strengthen observability through logging, monitoring, tracing, and alerting.
• Support secure development practices, including application security and Azure cloud security standards.
• Collaborate with DevOps, platform, product, and other engineering teams to improve CI/CD and release processes.
• Mentor and support other engineers, contributing to a strong and collaborative engineering culture.

Who you'll work with

You will be part of the Price Adjustments product team and collaborate closely with Product Managers, Engineering Managers, Software Engineers, Architects, DevOps and Platform teams, as well as stakeholders across Business Tech. Together, you will help build modern digital solutions that enable H&M to deliver reliable, secure, and customer-focused technology at scale.

Who you are

• Strong experience with .NET Framework / C# and backend development in enterprise environments.
• Deep hands-on experience with Microsoft Azure, cloud architecture patterns, and Azure security best practices.
• Strong knowledge of Entity Framework, T-SQL, and SQL Server, including schema design and performance tuning.
• Experience designing APIs, distributed systems, and scalable backend architectures.
• Good understanding of CI/CD pipelines, preferably with GitHub Actions or similar tools.
• Experience with debugging, performance tuning, observability, and production incident management.
• Solid knowledge of secure coding and application security practices.
• Bonus: Azure certifications, Azure Data Factory, microservices, Docker/Kubernetes, messaging systems, or large-scale distributed systems.

And people who are

• A strong owner who can take initiatives forward independently and deliver high-quality outcomes.
• Curious, analytical, and confident in solving complex technical problems.
• Comfortable influencing technical direction and continuously improving engineering practices.
• A collaborative team player who communicates openly and supports knowledge sharing.
• Passionate about building resilient, scalable, and secure systems that create real business value.

Benefits

• Staff discount card: Usable on all H&M Group brands in stores and online.
• H&M Incentive Program (HIP): Included in our HIP. You can read more about our H&M Incentive Program here.
• Competitive pensions: Collective Agreement and ITP pensions competitive to the Swedish market.
• Generous vacation: 30 days' vacation, health care allowance, and good work-life balance.
• Additional perks: Discounts from Benify.
• Innovative Environment: Work with cutting-edge technology and innovative solutions.
• Global Impact: Be part of a team that influences users worldwide.
• Professional Growth: Endless opportunities to learn and develop your skills.
• Collaborative Culture: Join a motivated team that values collaboration and excellence.