Role: Senior Software Engineer

Seniority Level: Senior

Location: Kista, Stockholm (SE)

Remote Work: 0% (on-site)

Assignment Period: 01 Aug 2025 – 31 Jan 2026

Assignment Description

We are looking for a Senior Software Engineer to join a dynamic development team working on advanced web-based systems. The assignment involves full-stack development using modern tools and frameworks, with an emphasis on code quality, maintainability, and performance.

You will be responsible for building scalable solutions using a domain-driven design approach and participate in all phases of the development lifecycle—from concept and design to testing and deployment. Strong collaboration and communication skills are essential, as is the ability to coach and support other team members.

Technology Stack

Frontend

React

TypeScript

Sass

Vite

Cypress

npm

Backend

C#

.NET 8+

Entity Framework Core

xUnit

Moq

SQL Server

Testcontainers

ML.Net

DevOps & Tools

Azure

GitHub

Git

Requirements

Proven experience with most or all technologies listed in the stack

Strong background in frontend and backend development

Solid understanding of SQL and relational databases

Familiarity with domain-driven design (DDD)

Experience with test-driven development and mocking frameworks

Ability to work independently and in a collaborative team environment

Excellent communication and mentoring skills

Merits

Experience with ML.Net or similar machine learning libraries, especially for value prediction

Familiarity with containerized testing frameworks like Testcontainers

Previous work in agile, product-oriented teams

This is an exciting opportunity for a seasoned software engineer to contribute to the development of modern systems using cutting-edge tools in a collaborative, quality-focused environment.