Full-Stack Developer (React.js + Python/FastAPI)

About the Role
We’re looking for a skilled Full-Stack Developer with strong experience in React.js to build responsive, high-quality user interfaces, paired with a solid background in Python backend development using FastAPI.

In this role, you’ll work closely with cross-functional teams to design, build, and scale modern web applications. You’ll be involved across the full development lifecycle — from crafting intuitive frontend experiences to designing efficient, scalable backend services.

What you’ll do

• Build and maintain responsive, user-focused interfaces using React.js

• Design, develop, and integrate RESTful APIs using Python and FastAPI

• Ensure smooth and efficient data flow between frontend and backend systems

• Work with relational databases, primarily PostgreSQL, including schema design and query optimisation

• Collaborate with product, design, and engineering teams to deliver high-quality solutions

• Contribute to architectural decisions with a focus on performance, scalability, and maintainability

• Write clean, well-documented, and testable code following best practices

What we’re looking for

• Strong proficiency in React.js, including hooks, state management, and component-driven development

• Hands-on experience building and maintaining APIs with Python and FastAPI

• Solid understanding of RESTful API design and integration

• Experience with PostgreSQL, including schema design, complex queries, and optimisation

• Familiarity with ORMs (e.g. SQLAlchemy) and database migrations

• Experience using Git or similar version control systems

• A strong focus on code quality, readability, and long-term maintainability

• Ability to work independently while collaborating effectively within a team

Nice to have

• Experience with performance optimisation and scalable system design

• Exposure to cloud environments or CI/CD pipelines

The Setup

• Location: Chiang Mai/ Bangkok, Thailand
• Working hours: Monday - Friday, 8 A.M. - 5 P.M.
  

• 25 paid vacation days per year
• 6 personal leave days
• Paid paternity leave
• Hybrid work after probation
• Lunch allowance
• Social security
• Exciting monthly social events
• Visa & work permit sponsorship
• Occasionally Office hop (Chiang Mai & Bangkok)

• We are a "humans first, resources after" company: We care about building relationships with our team members and strengthening partnerships with our clients based on trust. Putting humans first doesn’t mean we don’t care about results and performance – we do – just not at the expense of people.
• We lead with "Frihed under Ansvar": which means “With great freedom comes great responsibility”. Like a scale – the amount of freedom and responsibility must be equally balanced. Our leadership philosophy is true to our Scandinavian roots.
• We "play as a dream team": Just like a professional soccer team, each of our teammates has a very important role in our team’s success. We will all work together to foster a good environment so our teammates can play their best with one another and get the opportunity to become the stars of tomorrow.
• "Challenging the status quo is in our DNA": With our partners in mind, we are motivated by the hunger to improve and innovate to forge the foundations for long-term success. We will seek out the best team members who will bring fresh perspectives and ideas, and challenge us to do better.