Senior Software Engineer

Full time
Bachelor
Cluj - Napoca

As a Software Engineer, you will join our growing team and help build a next-generation medical imaging application that supports clinicians during interventional procedures.

This role is for a Software Engineer focused on C++ development within a large-scale strategic program of more than 100 professionals. You'll work day-to-day with modern C++, CMake, Conan2 and GitHub Enterprise, supported by AI-assisted engineering practices.

What excites you as a Senior Software Engineer?

From our Cluj-Napoca office, in Romania’s tech-driven second city, you join a vibrant IT scene.

The city blends startups, global firms, and top universities. You will fit our team if you like to:

  • Develop a next-generation medical imaging application in modern C++ that helps clinicians identify, visualize and measure vascular structures.
  • Work productively with Visual Studio 2022/2026 or VS Code, modern CMake and Conan2 package management.
  • Use GitHub Enterprise for version control and take part in an intensive triple-review process that safeguards code quality.
  • Apply AI-supported engineering practices, in your daily development work.
  • Contribute to a modern software architecture on a greenfield platform that consolidates existing legacy applications.
  • Collaborate with Product Owners, technical Product Owners and the customer's specialists in an agile setup with stand-ups, refinements, sprint demos and retrospectives.

Sounds good so far? We'd love to tell you more…

Your future workplace

This is what you bring to the table

  • Bachelor's degree in computer science, Software Engineering, or a related field, and 5–8 years of experience in software development.
  • Solid programming skills in modern C++ (C++17 or newer) and hands-on experience with modern CMake, Conan2 and Visual Studio 2022/2026 or VS Code.
  • Experience with modern software architecture and greenfield development.
  • Solid experience with Git/GitHub Enterprise; exposure to GitHub Copilot and AI-assisted development.
  • Affinity with medical devices or healthcare; experience in regulated environments or UI development is a plus.
  • A strong software engineering and code quality mindset, with experience in intensive peer reviews.
  • Strong analytical and communication skills, and an affinity for high-tech applications.

This is what you can expect in return

  • You will work with passionate colleagues who share your drive for technology and business success.
  • You get a lot of freedom and responsibility; after all, you know exactly what you are doing.
  • A welcoming environment with opportunities for personal development and professional growth.
  • You'll work in a prime location with easy access to public transport and nearby amenities. The office’s innovative design and focus on well-being create a space where creativity and projects thrive.
  • Flexible 40 hour working week, with room to work from home.
  • We also find it important to have fun together. We organize a lot for our employees, from
  • Christmas parties with Santa and families and rooftop parties, to inspiring knowledge sessions for the high-tech community.
  • Fun team-building activities.

High Tech & High Fun

We can tell you all about the typical Sioux culture and the high-tech challenging projects. About how you can develop yourself, like nowhere else. But we’d rather have you hear it from our own employees.

Go to testimonials >

If you want to know more about our challenging projects, please click here.

Important note:

This position requires access to controlled technology, as defined in the US Export Administration Regulations (15 C.F.R. § 730, et seq.). Qualified candidates must be legally authorized to access such controlled technology prior to beginning work. Business demands may require Sioux to proceed with candidates who are immediately eligible to access controlled technology.
Are you interested?

Your new job in 5 steps

Thank you for your interest. We are happy to share our selection process with you. Below you will find the steps we go through. If you have any questions, feel free to contact us. We wish you the best of luck with your application at Sioux Technologies!

  • Interested?
    • Send us your CV and motivation letter.
  • Application received
    • One of our recruiters will review your application and get back to you asap.
  • Introduction
    • We will plan an (online) introduction with a Sioux colleague to find out if there is a match.
  • Follow-up conversation(s)
    • In follow-up conversation(s), we dive into the (technical) depth. In some cases a personality test will be part of the conversation and will be discussed with you. In other cases you will be presented with a (technical) case.
  • Both excited?
    • If we are both enthusiastic, we would like to make you an offer. We will talk you through the offer and discuss it with you. Are you already curious about our terms of employment? You can find them here for the Netherlands, Belgium, Germany.
  • Welcome to Sioux Technologies!
    • We welcome you to Sioux and wish you success with your new challenge!

 

Privacy Notice for applicants

  1. Pre-employment screening and background checks might be part of your application procedure.
  2. Your personal information is managed in compliance with the GDPR regulations.

Alexandra Pop

HR Specialist
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