At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling, and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, 80,000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and replace cars.
Could you be the full-time Software Engineer in Bangkok we’re looking for?
Your future role
Take on a new challenge and apply your software development expertise in a cutting-edge field. You’ll work alongside collaborative, innovative, and supportive teammates.
You’ll contribute to creating smarter and more efficient mobility solutions. Day-to-day, you’ll work closely with teams across the business (such as system architects, project managers, and verification teams), perform system requirement analysis, and develop software solutions, and much more.
You’ll specifically take care of designing and implementing software using C/C++, Python, and Java, but also support activities such as site investigations and testing.
We’ll look to you for:
Developing system requirements analysis, functional decomposition, and architecture definition
Designing and implementing ATS software solutions
Creating and maintaining software documentation (e.g., Impact Analysis, Software ICD, Software Design Specification)
Performing design reviews, code reviews, and self-testing of modules
Developing test cases for verification and validation
Contributing to project and change management, including raising change requests when necessary
Participating in continuous improvement initiatives and lessons learned
Providing support for site investigations and testing activities
All about you
We value passion and attitude over experience. That’s why we don’t expect you to have every single skill. Instead, we’ve listed some that we think will help you succeed and grow in this role:
Bachelor's degree in Computer Science, Software Engineering, Electrical Engineering, or Control System and Instrumentation Engineering
3-5 years of experience in software development
Experience or understanding of railway software development or secure software development is a plus
Knowledge of programming languages such as C/C++, Python, Java, and/or C#
Familiarity with software design principles and system requirement analysis
Good oral and written communication skills in English
Ability to work collaboratively across teams and manage tasks efficiently
A proactive mindset with a focus on continuous learning and improvement
Things you’ll enjoy Join us on a life-long transformative journey – the rail industry is here to stay, so you can grow and develop new skills and experiences throughout your career. You’ll also:
Enjoy stability, challenges, and a long-term career free from boring daily routines
Work with new security standards for rail signalling
Collaborate with transverse teams and helpful colleagues
Contribute to innovative projects
Utilise our flexible and inclusive working environment
Steer your career in whatever direction you choose across functions and countries
Benefit from our investment in your development, through award-winning learning
Progress towards roles such as Senior Software Engineer or Technical Lead
Benefit from a fair and dynamic reward package that recognises your performance and potential, plus comprehensive and competitive social coverage (life, medical, pension)
#LI-NS1
You don’t need to be a train enthusiast to thrive with us. We guarantee that when you step onto one of our trains with your friends or family, you’ll be proud. If you’re up for the challenge, we’d love to hear from you!
Important to note
As a global business, we’re an equal-opportunity employer that celebrates diversity across the 63 countries we operate in. We’re committed to creating an inclusive workplace for everyone.

Alstom commits to contribute to a low carbon future by developing and promoting innovative and sustainable transportation solutions that people enjoy riding. From high-speed trains, metros, monorails, trams, to turnkey systems, services, infrastructure, signalling and digital mobility, Alstom offers its diverse customers the broadest portfolio in the industry. With its presence in 63 countries and a talent base of over 80,000 people from 175 nationalities, the company focuses its design, innovation, and project management skills to where mobility solutions are needed most.