Senior Backend Developer (PHP / Go / Node.js) – Remote, Thailand

RMG Talent is working with the technology team of a regulated FX/CFD brokerage that is seeking to onboard a Senior Backend Developer.
The successful candidate will turn business requirements into well-structured, secure and scalable backend systems, APIs, background processes and scripts, and keep extending them so they can evolve sustainably over the long term. This is a senior, hands-on role with a strong focus on maintainable code, secure API design and AI-assisted development.
Position: Senior Backend Developer (PHP / Go / Node.js)Location: ThailandModel: Fully Remote (within Thailand)Employment type: Full timeOpenings: 1 | Start: ASAPSalary: approx. THB 60,000 gross per month, depending on skills and experience
DUTIES AND RESPONSIBILITIES:• Translate business requirements into clear system designs and working software• Design and build secure, scalable backend systems in PHP, Go or Node.js• Extend and evolve existing systems so they continue to grow sustainably• Build secure systems that follow established standards, with real protection against common attack vectors• Design, build, document and integrate APIs for other teams and systems to consume• Use AI coding tools (e.g. Claude Code, Codex, GitHub Copilot) to accelerate development, and rigorously review and validate all AI-generated output• Verify that systems meet requirements through systematic testing, code review and validation• Communicate technical decisions clearly to engineers and non-technical stakeholders
REQUIREMENTS:• 5+ years of commercial experience building web systems with PHP, Go or Node.js• Strong API development and integration experience (REST and other styles), including documentation• Solid understanding of web security standards, with practical, working approaches to attack prevention• Working knowledge of both SQL and NoSQL databases• Hands-on use of AI tools to assist development, with the discipline to review AI-generated work• Strong testing and code-validation habits• Excellent analytical thinking, problem-solving and technical decision-making• Strong communication skills, able to explain complex topics simply to the team and stakeholders• Collaborative team player, open to ideas and feedback, eager to learn new technologies• Good command of English, spoken and written• Based in Thailand with the right to work there
BENEFITS:• Fully remote work from anywhere in Thailand• Room to experiment, with space to test new ideas and turn promising ones into real work• Open culture where the team's opinions and new ideas are welcome• And many more!
HOW TO APPLY:Please submit your CV in English, together with a short summary covering:• Your years of commercial PHP / Go / Node.js experience• APIs you have designed or integrated• A concrete example of a security issue you prevented or fixed• The AI coding tools you use and how you validate their output

Salary: approx. THB 60,000 gross per month