Senior Fullstack Software Engineer

Vattenfall; Stockholms kommun; Hybrid; SEK 900,000 - 1,200,000; Full time

Benefits offered by this job

Smart working

Flexible hours

Good work-life balance

Job summary

Vattenfall in Stockholm seeks a Senior Fullstack Software Engineer to lead end-to-end software delivery in a modern cloud-based environment. You will design and implement customer-facing digital solutions, collaborate with cross-functional teams, and promote best practices in agile development.

The role requires 6+ years of fullstack experience, strong C#/.NET, Angular, TypeScript, and Azure expertise, along with fluent English.

Qualifications

• 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, CSS, 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.

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.

Skills

Angular

TypeScript

HTML5

CSS

C#

.NET Framework

.NET 8+

Azure

Azure DevOps

Git

Gitflow

Visual Studio

GitHub

SAST

DAST

Copilot

Education

University degree in IT/CS/Engineering

Tools

Angular 19+

TypeScript

HTML5

CSS

C#

.NET Framework

.NET 8+

Job description

• Type of Employment (Career Site): Full-time only

Company Description

Vattenfall is one of Europe’s largest producers and retailers of electricity and heat. Our main markets are Sweden, Germany, the Netherlands, Denmark, and the UK. The Vattenfall Group has approximately 21 000 employees. We have been electrifying industries, powering homes and transforming life through innovation for more than 100 years.

Job Description

Do you want to build digital solutions that help millions of customers on their journey towards a fossil-free future?

At Vattenfall IT, we develop and operate digital solutions that create value for both our customers and our business. Innovation, collaboration, and continuous improvement are at the heart of everything we do. Together with our business partners, we are shaping modern digital experiences that support Vattenfall's ambition to enable fossil freedom within one generation.

We are now looking for a Senior Fullstack Software Engineer to join our team in Stockholm, Sweden.

About the position

As a senior member of the team, you will contribute throughout the entire application lifecycle, from solution design and development to deployment, monitoring, and continuous improvement. You will help translate business goals into technical solutions while promoting modern software engineering practices and supporting knowledge sharing across the team.

Your tasks and 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

Qualifications

You are a passionate and experienced software engineer who enjoys creating high-quality digital products and solving complex technical challenges. You combine strong technical expertise with a collaborative mindset and are motivated by delivering great customer experiences. You take ownership, continuously seek improvements, and enjoy helping others grow through knowledge sharing and teamwork.

As our Senior Fullstack Software Engineer, you bring strong fullstack development experience and a solid understanding of modern cloud-based application development.

Next to this, you bring:

• 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
  • 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

Additional Information

Our Offer

• We offer a challenging and international work environment and the possibility to work with some of the best in the field.
• You will be working in interdisciplinary teams and you can always count on support from committed colleagues as ‘Ask and Share’ concept is essential for the way we work.
• We offer attractive employment conditions (smart working, flexible working hours and a good-work-life balance) and opportunities for personal and professional development.

Location

Stockholm

We welcome your application in English no later than 30.09.2026. At Vattenfall, we value being active, positive, open, and safety-conscious. We are looking for employees who share our vision and can contribute to strengthening our corporate culture. We firmly believe that diversity helps build a more profitable and attractive company, and we strive to be good role models when it comes to diversity. Vattenfall actively works to ensure that all employees have the same opportunities and rights regardless of age, ethnic or cultural background, gender identity, religion/belief, sexual orientation, or disability. Read more about how we work with diversity and inclusion here.

Trade Union representatives in Sweden via Vattenfall´s switchboard [phone].

Working at Vattenfall means working with critical societal infrastructure. Therefore, many of our positions are security-classified, and you may be required to fill a wartime posting. If this position is security-classified, a security clearance will be carried out before employment, in accordance with the Security Protection Act. Any potential wartime posting will be based on the employment contract and the Total Defence Service Act.

We look forward to receiving your application!