Senior Software Engineer (JavaScript/TypeScript) Permanent
Location: Thailand
Employment Type: Permanent Full-time
Location Type: Hybrid (Remote Thailand office)
Department: Engineering
Build Scalable Platforms That Power the Future of Fintech
A leading regional fintech company is seeking a Senior Software Engineer (JavaScript/TypeScript) to design and develop high-performance systems across both backend and frontend. Youll work on large-scale platforms that deliver accessible affordable financial services to millions of users in Southeast Asia.
This is a permanent role with hybrid flexibility (remote Thailand office). Youll have the chance to solve complex technical problems while contributing to systems that make financial services simpler smarter and more inclusive.
Responsibilities
- Develop high-quality backend applications using and modern frameworks.
- Build and maintain frontend applications using / .
- Ensure production stability by resolving critical issues quickly.
- Analyze existing systems and propose improvements for scalability and performance.
- Support cross-functional teams on change requests and feature enhancements.
- Mentor junior engineers on development best practices.
- Review and approve pull requests to maintain code quality.
Requirements
- Bachelors Degree in Computer Science Software Engineering IT or related field.
- 3 years of professional software engineering experience.
- Strong knowledge of NestJS ExpressJS GraphQL.
- Strong frontend skills with / and modern UI frameworks.
- Database experience with MongoDB and MySQL.
- Exposure to automation frameworks (Selenium Cypress Puppeteer etc.).
- Solid understanding of algorithms data structures and core CS fundamentals.
- Passionate about programming problem-solving and building scalable systems.
Nice to Have
- Portfolio or relevant project work showcasing full-stack expertise.
- Experience with cloud services (AWS GCP) and Infrastructure as Code practices.
- Knowledge of UI/UX design principles.
- Familiarity with TDD/BDD approaches.
- Experience with web templating languages (Pug Slim etc.).
- Clear technical documentation writing skills.
What Youll Get
- Permanent role with competitive salary and performance bonuses.
- Hybrid work setup flexible hours with the option to work remotely and on-site.
- Exposure to international teams in a flat collaborative organization.
- Career development opportunities in a fast-growing fintech environment.
- Free training and continuous development support.
- Challenging impactful projects with direct real-world outcomes.
- Casual and open work culture with a focus on results.