Full Stack Developer
Company: Aqilea (formerly Soltia)
Role summary
Full Stack Developer is a contract role at Aqilea (formerly Soltia) in Stockholm, Sweden (on-site). Posted 2026-10-21. Experience level: 5-10.
- Job title
- Full Stack Developer
- Company
- Aqilea (formerly Soltia)
- Location
- Stockholm, Sweden
- Work arrangement
- on-site
- Employment type
- contract
- Category
- Software Engineering
- Experience level
- 5-10
- Date posted
- 2026-10-21
Aqilea is looking for an experienced developer to join them in Stockholm for a five-month contract starting in late 2026. If you enjoy working across the entire tech stack and want to contribute to meaningful web projects, this is a great opportunity to showcase your seniority and technical versatility.
Job description
Role: Full Stack Developer
Job Ref Id: JD-1284
Competence level: Senior (6-9y)
Start date: 2026-11-02
End date: 2027-03-31
Extension option: Yes
Scope: 100%
Location: Stockholm
Language: Swedish, English
Application deadline: 2026-11-01
Number of consultants: 1
Security clearance: No
About the assignment
We are looking for passionate Fullstack Developers, equally strong in frontend/backend who thrive 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.
Requirements
Mandatory
Skills: +6 years of experience as a Fullstack Developer equally strong in frontend/backend.
.NET Core
C#
Angular (we currently use 20+ and will only consider consultants who have worked with ver 18 or higher)
TypeScript
Azure
Azure DevOps
Git
CI/CD pipelines
Tailwind
Messaging & Asynchronous Systems:
Kafka
Azure Service Bus
real-time communication
API and system integration
asynchronous communication
automation
unit testing (xUnit, NUnit, etc.)
FLUENT in Swedish and English
Soft skills: Excellent communication skills and proven ability to work autonomously in complex projects.
Education: University degree in Information Technology, Mathematics, Engineering and related subjects or Higher Vocational Education
Nice-to-have
Plus: Experience from energy or finance sectors - where availability, reliability and security are of high importance.