Want to take your consulting to the next level with Sweden's best employer? We know what you're thinking. You've heard it before. But trust us, you haven't. Our secret ingredient in the consulting recipe is something else. Apply for the job and taste it yourself!
We are now seeking an experienced integration developer for a long-term assignment with a mission-critical player in the energy sector. The assignment is perfect for you if you have solid experience with Java-based system development, integration platforms, and modern container-based environments.
You will become an important part of an agile team working on the development, enhancement, and maintenance of system integrations. The team consists of analysts, developers, testers, and application specialists. A key part of the assignment is also to contribute to the migration of existing integrations from legacy solutions to a new integration platform.
About the assignment
In this role, you will work on:
developing and enhancing integration flows
implementing integration solutions in Apache Camel on Kubernetes platform
working with XML and converting between different XML formats
documenting design and system solutions
participating in migration from existing legacy solutions to new integration platform
contributing to the implementation of API Management solution
participating in project and maintenance work
troubleshooting, fixing, and testing both new and existing integrations
contributing to the team's working methods and development
We are looking for someone with
at least 5 years of experience as a system developer within the last 10 years
at least 3 years of Java development experience
at least 2 years of experience with application development based on microservice architecture and container technology
at least 2 years of experience in system and integration development with technologies such as:
XML/XSLT
JMS
Web services, SOAP and/or REST
at least 2 years of experience developing with Apache Camel
very good knowledge of Swedish, both spoken and written
It is a merit if you have
experience with system integration in the energy sector
experience with Oracle SOA Suite and Oracle WebLogic
experience with Spring/Spring Boot
experience with APIs in an API Gateway
experience working in security-classified or mission-critical environments
As a person, you are
We are looking for someone who is self-driven, organized, and goal-oriented. You have good collaboration skills, take own initiatives, and are flexible when workload varies. Since the role involves close collaboration with both the team and other stakeholders, it is important that you are communicative, clear, and have an easy time building trust.
Practical information
Remote: up to 50% by agreement, with office presence at least 2.5 days per week
Language: Swedish
Security: security clearance and background check required for the assignment
Does this sound like an assignment for you? Please send us your profile/CV and we'll continue the conversation.
Only the best for the best – our personnel philosophy
Castra is a consulting group within IT and Management. Or well, you could say an elite squad. We bring together the sharpest and most experienced consultants, simply because they get the most out of both capacity and quality of life with us. We operate within System Development, IT Infrastructure, IT Management & Leadership, and IT Security.
We have been named Sweden's and Europe's best workplace – for real! It sounds a bit boastful, but it's actually not us saying it. Since 2017, Castra has been certified by Great Place to Work, an award based entirely on employee surveys. Over the last three years, we have been named Sweden's Best Workplace for large companies, and most recently we also took first place among Europe's Best Workplaces. As the cherry on top, we're also a Gasell and Career Company!
At Castra, we believe in freedom, development, and community. As a consultant, you choose which assignments you take, when you work, if you want to level up a skill, and how much salary and vacation you take. Building your own brand is just a bonus! Did you think that was all? You were wrong. Support from good managers, activities, competent and quick-moving sales team, opportunity for co-ownership, great opportunities to influence the company's future, and wonderful colleagues – the list of what makes Castra a fantastic workplace can go on and on. The possibilities are almost endless. Win-win for all parties, we say.
Castra has offices in Gothenburg, Stockholm, Malmö, Linköping, Norrköping, Örebro, Jönköping, and Sundsvall.
Learn more about what it's like to work with us at castra.se/konsulterbjudande/
Have we managed to spark your curiosity?
Apply directly via the link or contact xx xx at [email protected] or 070-xx xx xx.Want to take your consulting to the next level with Sweden's best employer? We know what you're thinking. You've heard it before. But trust us, you haven't. Our secret ingredient in the consulting recipe is something else. Apply for the job and taste it yourself!
We are now seeking an experienced integration developer for a long-term assignment with a mission-critical player in the energy sector. The assignment is perfect for you if you have solid experience with Java-based system development, integration platforms, and modern container-based environments.
You will become an important part…
Overview
Type
job
Status
active
Visibility
public
City
Sundbyberg
Address
Landsvägen 50A
GPS
59.36003259538, 17.972613461664
Email
Views
29
Published
29. 5. 2026
Edited
5. 8. 2026
Location
Loading map…
Specifications
Region
Stockholms län
Duration
Ongoing
Employer
Castra Group AB
Postcode
17263
Open positions
1
Profession
Backend-utvecklare
Salary Type
Rörlig ackords- eller provisionslön
Scope Of Work
100–100 %
We measure anonymous traffic via Google Analytics to improve our service. Learn more.