Senior Fullstack Software Engineer

Technology, Data & Digital · Software & Web Development · Full Stack · Software Engineering

In short

Vattenfall is looking for a Senior Fullstack Software Engineer in Stockholm, Sweden, to develop and operate digital solutions that enable a fossil-free future. The role involves contributing to the entire application lifecycle, from design to deployment and monitoring, with a focus on customer-facing applications and modern software engineering practices.

Responsibilities

Design secure, robust, and sustainable end-to-end solutions
Translate product and business objectives into high-quality technical solutions
Develop and continuously improve customer-facing applications
Collaborate closely with software engineers, architects, Product Owners, UX designers, and business stakeholders
Transform requirements into user stories and technical implementations
Build automated tests and maintain efficient CI/CD pipelines
Promote agile development methods and software engineering best practices
Support knowledge sharing and technical mentoring within the team
Contribute to continuous delivery of high-quality features and improvements
Monitor application performance, reliability, and health throughout the application lifecycle

Requirements

University degree in Information Technology, Mathematics, Engineering, Computer Science, or a related field
At least 6 years of professional experience in fullstack software development
Good knowledge of Swedish
Experience working with customer-facing digital products
Experience mentoring developers and driving engineering excellence
Passion for emerging technologies and continuous learning
Strong experience with Angular 19 or later, TypeScript, HTML5, and CSS
Strong experience with C#, .NET Framework, and .NET 8 or later
Experience working with Microsoft Azure and cloud-native development
Hands-on experience with Azure DevOps, CI/CD pipelines, Git, and Gitflow
Experience using development and security tools such as Visual Studio, GitHub, SAST, and DAST solutions
Familiarity with modern AI-supported development tools such as Microsoft Copilot, GitHub Copilot, or Cursor
Experience working in agile software development environments
Ability to translate business and product requirements into secure, scalable, and maintainable technical solutions
Strong collaboration and communication skills
Fluent English, written and spoken

Desired Qualifications

Passionate and experienced software engineer who enjoys creating high-quality digital products and solving complex technical challenges
Combines strong technical expertise with a collaborative mindset
Motivated by delivering great customer experiences
Takes ownership, continuously seeks improvements, and enjoys helping others grow through knowledge sharing and teamwork

Benefits

Challenging and international work environment
Possibility to work with some of the best in the field
Working in interdisciplinary teams
Support from committed colleagues ('Ask and Share' concept)
Attractive employment conditions
Smart working
Flexible working hours
Good work-life balance
Opportunities for personal and professional development

Skills

AngularTypeScriptHTML5CSSC#.NET Framework.NET 8Microsoft AzureAzure DevOpsCI/CDGitGitflowVisual StudioGitHubSASTDASTMicrosoft CopilotGitHub CopilotCursor

#IT#Full-time#Permanent#Professional

About Vattenfall

Vattenfall is a European energy company with approximately 20,000 employees. For more than 100 years we have electrified industries, supplied energy to people's homes and modernised our way of living through innovation and cooperation. We are working for fossil freedom.

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