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TRCI-26-04091
System Developer (C++ /.NET / SQL) – Mission-critical systems
A system developer to develop, enhance and manage mission-critical IT systems, translating business requirements into technical solutions and independently planning, developing, testing, troubleshooting and QA. You will work in a cross-functional agile team owning a proprietary resource-planning system. Although the mission description mentions frontend work (HTML/CSS/JS/TS with React/Angular and possibly Swift), the formal must-have requirements are heavy on C++, C# and/or VB.NET, SQL/relational databases (incl. Oracle), Git, unit testing, Swedish fluency, and experience in high-security operations and large/mission-critical environments.
Position summary
- Location
- Sweden
- Workplace
- On-site
- Employment
- Contract
- Experience
- Minimum 5 years and Maximum 10 years
Role overview
Why This Role Matters.
A system developer to develop, enhance and manage mission-critical IT systems, translating business requirements into technical solutions and independently planning, developing, testing, troubleshooting and QA. You will work in a cross-functional agile team owning a proprietary resource-planning system. Although the mission description mentions frontend work (HTML/CSS/JS/TS with React/Angular and possibly Swift), the formal must-have requirements are heavy on C++, C# and/or VB.NET, SQL/relational databases (incl. Oracle), Git, unit testing, Swedish fluency, and experience in high-security operations and large/mission-critical environments.
Your Impact
Deliver Enterprise Value
Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.
Collaboration
Work Across Teams
Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.
Growth
Learn Continuously
Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.
Career Path
Grow With Ubique
Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.
Responsibilities
What You'll Be Doing.
Every role at Ubique contributes directly to solving meaningful business challenges for our clients.
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The role also includes participating in technical design and solution discussions, working with integrations and API-based communication, and contributing to testing, quality assurance, and continuous improvements to the system's functionality and usability.
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The role requires that the consultant can work independently and in a structured manner, and has good collaboration skills, personal drive and the ability to work in an agile and development-intensive environment.
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At least 9 years of work experience in C++ development
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At least 9 years of development experience in C# and/or VB.NET
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At least 9 years of documented experience with SQL databases
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10 years of working experience with Git.
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At least 1 year of documented experience writing unit tests
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5 years of documented experience working in Oracle
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10 years of experience with relational databases
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Fluent in Swedish, both spoken and written
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Experience in operations with high security requirements
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
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C++
Required
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C#
Required
03
VB.NET
Required
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SQL
Required
05
Relational databases
Required
06
Oracle
Required
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Git
Required
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Unit testing
Required
09
HTML
Required
10
CSS
Required
11
JavaScript
Required
12
TypeScript
Required
13
React
Required
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Angular
Required
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Swift
Required
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Web services
Required
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XML
Required
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Linux
Required
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Scrum
Required
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Agile
Required
Requirements
Skills & Experience.
We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.
Essential
Required Qualifications
C++ development (9+ years)
C# and/or VB.NET development (9+ years)
SQL databases (9+ years documented)
Relational databases (10+ years)
Oracle (5+ years)
Git (10+ years)
Unit testing (1+ year documented)
Fluent Swedish (spoken and written)
Experience in operations/environments with high security requirements
Preferred
Nice to Have
Web services and XML
Linux environment experience
Agile methods (e.g., Scrum)
Container technology (Kubernetes and/or Docker)
Jenkins
Kafka or other event platforms
Experience with large mission-critical systems
Experience in security-classified assignments
Experience developing systems for personnel planning or project planning
Frontend development with HTML, CSS, JavaScript/TypeScript
React and/or Angular
Swift (depending on platform/functionality)
Integrations and API-based communication
Testing/QA and continuous improvement work
What you'll gain
More Than Just A Job.
We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.
Global Exposure
Collaborate with international clients and multicultural teams on enterprise programmes.
Continuous Learning
Expand your expertise through mentoring, certifications and hands-on project experience.
Career Growth
Take ownership, develop leadership skills and grow your consulting career over time.
Flexible Working
Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.
People First
Join a supportive culture where collaboration, respect and long-term relationships come first.
Enterprise Projects
Work on meaningful technology initiatives for leading organisations across industries.
Apply
Apply for System Developer (C++ /.NET / SQL) – Mission-critical systems
One page, about two minutes. We only ask for what we actually need to have a first conversation.