Senior Fullstack Developer (.NET/React)

Posted Yesterday
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Stockholm, SWE
In-Office
Senior level
Fintech • Insurance • Financial Services
The Role
Design and implement backend services with .NET Core, Entity Framework, and SQL Server, and build performant TypeScript/React frontends. Work in agile teams on Azure-hosted systems for large industrial customers, focus on code quality, modern architecture patterns, and use AI-assisted development tools.
Summary Generated by Built In

Do you like to deliver technically advanced systems with complex business logic? We are now looking for a senior full-stack developer who wants to work with If's systems for our largest customers. 

About the role 

As a full-stack developer, you work with C#, Entity Framework, React, and Azure to deliver a modern backend with .NET Core along with a high-performance frontend based on TypeScript and React. You have a strong focus on code quality, use AI tools in development effectively, and strive to deliver according to modern architecture patterns, as the team does today. 

You'll use your analytical and technical skills to solve advanced problems while contributing to our journey to the web and learning a lot of new things. Learning is important at If, which is why we offer a wide range of opportunities for learning such as tech seminars, skills days, digital learning and lots of internal training as well as opportunities for certifications. 

Within IT Industrial Core Systems, you are involved in developing systems that help our colleagues in If Industrial to manage our largest customers and their insurance for e.g. factories, department stores, freight and personnel. 

We offer

  • An including work environment where everyone is welcome
  • Career and development opportunities in the biggest insurance company in the Nordics
  • Social activities, as well as highly skilled professional environment
  • Possibility of hybrid workplace
  • Health promoting workplace with e.g., wellness allowance and various sports activities
  • Great insurance benefits
  • Lunch benefit
  • High pension savings

About the team 

You are a member of one of IT Industrial Core Systems' three agile development teams. Each team consists of four to five developers and a QA engineer who work together as a cross-functional agile team. The teams work closely with both product owners and architects to ensure that we deliver valuable features in the right way. 

Who are you? 

We are looking for someone who is passionate about software development and wants to deliver high-quality code. You are self-motivated and are used to working with feedback to deliver the best possible results. You are good at communicating and collaborating to achieve common goals. You like to work with technically advanced systems and solve complex business logic in a smart way. 

You also have: 

  • University education in computer science, systems development, IT or equivalent. 

  • Extensive knowledge of C#, .NET Core / Entity Framework / SQL Server. 

  • Extensive knowledge of the Azure platform. 

  • Experience in web development in TypeScript and React. 

  • Knowledge of agile development methods such as Scrum. 

  • Fluency in English. 

It is an advantage if you have (or want to learn): 

  • Use of AI tools in development, such as GitHub Copilot. 

  • Domain-driven design (DDD). 

  • Proficiency in Swedish. 

 

More information and the recruitment process 

Application: Submit your application with CV and answer the application questions no later than 2026-08-09. Screening and interviews will take place after the application deadline in August. 
Type of employment: Full-time permanent employment (100%).  
Location: Bergshamra, Stockholm.  
Start: By agreement.  
 

For more information, please contact Robert Gavelin, [email protected]

Skills Required

  • University education in computer science, systems development, IT or equivalent
  • Extensive knowledge of C#
  • Extensive knowledge of .NET Core
  • Extensive knowledge of Entity Framework
  • Extensive knowledge of SQL Server
  • Extensive knowledge of the Azure platform
  • Experience in web development with TypeScript
  • Experience in web development with React
  • Knowledge of agile development methods such as Scrum
  • Fluency in English
  • Use of AI tools in development (e.g., GitHub Copilot)
  • Domain-driven design (DDD)
  • Proficiency in Swedish
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The Company
Oslo
7,734 Employees
Year Founded: 1999

What We Do

If insures all that is valuable to you in life: People, animals, homes, cars and more. We also help companies to ensure that it is business as usual even if they suffer a claim. Thanks to our 7900 skilled employees, our 3.6 million customers have the right coverage and can feel confident that they will get the help they need if something should happen. If's working culture is international, and we are committed to diversity. Our mindset is customer centric: It is our stated goal to be easy to understand and use from our customers'? perspective. We are the undifficult insurance company. Would you like to work with us? We encourage qualified candidates to apply, regardless of age, gender, disability, cultural or ethnic background. If Skadeforsäkring - Sweden https://www.if.se If Skadeforsiking - Norway https://www.if.no/ If Skadeforsikring - Danmark https://www.if.dk/ If Vakuutus - Finland https://www.if.fi/

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