About this role

Start datum: 11/02/2026
Slutdatum: 03/31/2027
Target rate for this senior role (6-9y of experience): 850:-
Location ; Solna office (Stockholm), Umeå office, Sundsvall office, Gothenburg office (if consultant wants to work from another office besides Solna, the supplier has to pay for occasional trips to Stockholm for meetings and workshops including travel and accomodation)
FLUENT in Swedish and English

We’re looking for passionate Fullstack Developers, equally strong in frontend/backend who thrives on building innovative web solutions that make a difference. You’ll be part of an agile DevOps and collaborative team where diverse perspectives are valued, and continuous learning is encouraged. This role offers the opportunity to grow your technical skills while contributing to a supportive and inclusive work environment.

You will collaborate closely with colleagues, product owners, and domain experts. Strong communication skills and the ability to work autonomously are essential, you should be comfortable driving initiatives forward independently, while also fostering effective collaboration in a team setting.

Responsibilities

● Develop modern applications with requirements on availability and reliability.

● Create robust integration layers to connect internal systems and external actors.

● Build automation features that simplify and streamline time-critical processes.

● Support architectural decisions, ensuring solutions are secure, maintainable, and future-proof.

● Implement and advocate for unit testing and high-quality development practices.

● Contribute to and spread modern DevOps methodologies, enabling continuous delivery of resilient features.

Skills:
+6 years of experience as a Fullstack Developer equally strong in frontend/backend.

Experience (+6 years) of:
.NET Core, C#, Angular (Vattenfall currently using 20+ and will only consider consultants who has worked with ver 18 or higher), TypeScript, Azure, Azure DevOps, Git, CI/CD pipelines.

Experience (+2 years) of:

Tailwind

Messaging & Asynchronous Systems:
Kafka, Azure Service Bus, and real-time communication.

Good knowledge of:
API and system integration, asynchronous communication, automation, and unit testing (xUnit, NUnit, etc.).

Soft skills: Excellent communication skills and proven ability to work autonomously in complex projects.

Plus: Experience from energy or finance sectors - where availability, reliability and security are of high importance.