[DN/HCM] Senior/Lead C# Software Engineer

ABOUT SIOUX

Sioux Group was founded in 1996 in the Netherlands. With over 1,400 engineers, Sioux supports or acts as the R&D partner of leading high-tech companies. We aim to add value to our clients by developing innovative and high-tech solutions that contribute to a smarter, safer, healthier, more enjoyable, and more sustainable society.

Sioux has been recognized as an employer of choice, including awards such as Best ICT Company to Work For and Great Place to Work. In addition to our strong presence in Europe, Sioux is rapidly expanding in Asia, with offices in Vietnam, China, Singapore, and India.

With a strong heritage and a diverse international team, Sioux is proud of our core values: Own it and make it happen, Grow and innovate together, and Surprise customers. If these values resonate with you, we would love to welcome you to our team.

WE ARE LOOKING FOR SOFTWARE ENGINEER IN DANANG/HCM TO JOIN US!

Your job will comprise:

• Design, implement, and maintain high-performance C# software components for machine and subsystem control within complex systems.
• Be part of a Kanban team delivering high-quality, maintainable software
• Review and improve code quality through thorough code reviews and mentoring of other developers
• Troubleshoot, analyse, and resolve complex software and system issues
• Integrate software with hardware and control systems, ensuring efficient and reliable machine operations
• Define and implement best practices in software design, testing, and documentation
• Contribute to continuous improvement initiatives for software processes, performance, and usability

This position is also open to candidates with strong Automation background and hardware knowledge, have some experience in software development (C#/C++) and are interested in transitioning into software engineering roles that focused on hardware control, device communication, and software-hardware integration.

Job requirements

Competences

• Deep problem-solving and analytical thinking capabilities
• Effective communication skills for cross-functional collaboration with software, hardware, and systems teams
• High sense of ownership, accountability, and attention to detail
• Ability to make sound design decisions and justify them with clear reasoning
• Proactive mindset, always seeking innovation and enhancement of software tools and workflows

Qualifications

• 5+ years of hands-on experience with C# and the .NET ecosystem
• Strong grasp of object-oriented design principles and scalable architecture
• Proficient with multi-threaded and asynchronous programming
• Skilled in unit testing, integration testing, and CI/CD pipelines
• Experience with version control (Git) and modern DevOps practices
• Affinity with hardware and physical systems is a strong plus

WHAT DO WE OFFER FOR YOU?

Compensation & Benefits

• Attractive salary
• 13th-month salary depending on the employee’s length of service
• Project Bonus (twice per year)
• Social Insurance is based on government regulations
• Full salary during probation
• Salary reviews: 1 time/year & Promotion opportunities: 2 times /year

Working hours & Leave

• Flexible working hours working Monday – Friday, no OT
• Hybrid working policy
• 19 leave days per year, for every 3 work years, +1 day to annual leave

Well-being

• Sioux Care Package: Each employee is eligible for an assigned package (based on grade and length of service) up to VND 30,000,000/ employee/ year for well-being benefits, including Premium insurance for employee and family, Annual Health Check, Personal Development, Children’s Education, Support subscription & WFH Equipment

Training & Development

• Company-sponsored training: soft skills/ technical skills/ hot-trend technologies/ best practices/English etc
• Onsite opportunities: long-term or short-term at other Sioux offices and client’s destination overseas (where applicable)

Work anniversary bonus

• 1st anniversary = 1 million
• 3rd anniversary = 3 million
• 5th anniversary = 10 million
• 10th anniversary = 20 million

Social activities

• Diverse company culture activities: Company trip, Annual Year End Party, Quarterly party, Company outings, Team building, Lunch & Learn Company anniversary, Family day, X-Mas party, Mid-Autumn, Snack Friday, Food and Snack in the fridge, etc
• Sports activities: Football & Badminton club
• Charity social res…