Software Developer .NET, C#, C++

Who Are We

Hansen Technologies is a leading global provider of software and services that enable organisations to transform customer experiences and streamline critical business processes. With a rich history of innovation and a footprint that spans over 80 countries, Hansen empowers utilities, energy, and communications companies to thrive in an ever-evolving digital landscape. Our commitment to excellence, customer focus, and collaborative culture makes Hansen a place where passionate professionals can make a meaningful impact, drive real change, and help shape the future of industries worldwide.

We are proud to be an equal opportunities employer. Hansen prides itself on celebrating diversity and is committed to creating an inclusive environment for all employees, even extending this to how we work with our customers, partners, and suppliers. We welcome applications from all qualified candidates, regardless of age, disability, gender identity or expression, marital status, race, ethnicity, religion or belief, sexual orientation, or any other protected characteristic. If you require any adjustments or accommodation during the recruitment process, please let us know.

Why This Role Matters

Architect - Develop - Innovate

As a Senior Software Developer, you'll play a pivotal role in shaping the future of our Integrated Customer Care & Billing (CCB-I) platform, driving technical excellence while delivering solutions that have a direct impact on our global customers.

You'll contribute to technical design, influence engineering best practices, mentor fellow developers, and champion modern development approaches, including AI-assisted engineering. Working closely with Product, QA, and Development teams, you'll help deliver scalable, reliable, and high-performing software while fostering a culture of continuous improvement and innovation.

What You'll Do

• Design, develop, deploy, and maintain high-quality software solutions for Hansen's customer care and billing platform.
• Troubleshoot complex technical issues, resolve defects, and provide ongoing application support.
• Participate in requirements discussions, solution design, estimation, and sprint planning activities.
• Write and execute unit tests while collaborating closely with QA teams to ensure exceptional software quality.
• Conduct peer code reviews and promote engineering standards, best practices, and code quality.
• Build, maintain, and optimise development and testing environments, CI/CD pipelines, and deployment processes.
• Mentor and support developers through technical coaching, knowledge sharing, and collaborative problem-solving.
• Drive innovation through AI-assisted development practices, automation, and continuous improvement initiatives.

What You Bring

• 5+ years of software development experience with strong expertise in ASP.NET and C#.
• Strong experience with modern front-end technologies such as Angular, React, [protected info], and jQuery.
• Proven experience building and integrating RESTful APIs, Web APIs, web services, or similar distributed systems.
• Strong database development experience with Microsoft SQL Server and PostgreSQL
• Hands-on experience with AWS cloud services and modern software delivery practices.
• Experience in CI/CD, Docker, Kubernetes, and DevOps principles.
• Experience leveraging AI-assisted development tools while maintaining strong validation, quality, and security standards.
• Excellent problem-solving, communication, and stakeholder collaboration skills.
• Strong written and verbal English communication skills

• Competitive Market Rate Salary - full salary (including SI contribution) during the probation period and 13th-month salary
• Twice yearly salary review
• Full participation in the annual Hansen Profit Share Program
• Great Leave Options - including 12 days annual leave during Year 1, increasing to 15 days annual leave and 12 days paid sick leave per year).
• Premium healthcare for employee and dependents (spouse and {all} children and support for parents). Also, free comprehensive annual check-up for employees.
• High-speed Internet credit: VND 5,5million/year
• Wellness benefit: VND 2million annually for fitness package/devices
• Free lunch, snacks, and drink in our new modern offices, which have a cool open atmosphere with an outdoor cafe, bar, and recreation area in District 2 - including free scooter parking
• Continuous Learning and Development, including personalised Udemy Business - online learning platform.
• Reward and Recognition - Company sponsored trips and events, tenure milestones and global recognition program.
• New, modern developer laptop, 2 large monitors, and headset.
• An international work environment, highly skilled colleagues to learn from both locally and globally where you can develop your IT career and English skills.