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Senior / Middle Backend Engineer (PHP & NodeJS) in Bangkok at GRADION

NewJob Function: Information Technology
GRADION
Bangkok, 62292, Indonesia
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Job Description

Senior / Middle Backend Engineer (PHP & NodeJS)

ABOUT US:
At Gradion, we are the strategic partner for ambitious businesses, helping them achieve breakthrough growth through Digital Innovation and Deep Tech.
With a global vision and an AI-first approach, we enable clients to reshape strategies, optimize systems, and adopt cutting-edge technologies to create sustainable value.
From AI and data to cybersecurity, robotics, and large-scale enterprise platforms, Gradion designs practical solutions that lay the foundation for the next generation of billion-dollar companies.
OUR FACTS & FIGURES:
- 23+ years of expertise - Gradion builds digital platforms & deep-tech solutions.
- 3 continents: Asia, Europe and Africa.
- 300+ specialists across 7 countries Vietnam, Singapore, Thailand, Saudi Arabia, Germany, Egypt and Australia.
- 100+ enterprise clients, including several unicorns (e.g., Alaiko, HomeToGo, Roadsurfer).
- Vietnam’s Best IT Company - recognized by ITViec for 8 consecutive years, including 2 consecutive years of ranking #1 (2024 and 2025).
- ISO 27001.
Role Overview

We are looking for a skilled Backend Engineer with PHP (Symfony) expertise and working experience in Node.js to join our distributed, international team.

Our current backend infrastructure is built on PHP, but we have an active roadmap to migrate toward Node.js. You will work alongside an embedded Node.js expert, helping maintain and develop our existing PHP ecosystem while actively contributing to the Node.js migration as it progresses. This is a fully backend-focused role requiring seamless daily communication in English.

Key Responsibilities

  • Feature Development & Maintenance: Design, build, and maintain high-quality backend services and APIs using PHP (Symfony).

  • Support the Migration Roadmap: Actively contribute to migrating legacy PHP services over to Node.js, collaborating closely with the team’s dedicated Node.js engineer.

  • Code Quality & Architecture: Write clean, well-tested, and maintainable code. Participate in code reviews to ensure high technical standards across both stacks.

  • Cross-Functional Collaboration: Work within a distributed, international team of developers, product managers, and QA engineers to deliver impactful features.

  • System Optimization: Troubleshoot, debug, and optimize backend performance and database queries to ensure scalability.

Job Requirements
Technical Skills

  • PHP Expertise: Professional experience with PHP, specifically using the Symfony framework.

  • Node.js Experience: Working knowledge of Node.js. You don't need to lead the migration, but you must be strong enough to pick up tickets, write backend logic, and contribute to the Node.js codebase.

  • Database Management: Proficiency with relational databases (e.g., PostgreSQL, MySQL) and understanding of data modeling.

  • API Design: Experience designing and implementing robust RESTful APIs.

  • Modern DevOps Tools: Familiarity with Git, Docker, and CI/CD pipelines.

Soft Skills & Core Traits

  • Good English: You will be collaborating daily in English with a global team.

  • Adaptability: A transition mindset - someone who is comfortable bridging the gap between two different backend ecosystems.

  • Remote Work Champion: Proven ability to work autonomously and effectively within a distributed, asynchronous team environment.

Why you’ll love working here?
Join Vietnam’s Best IT Company – Gradion Vietnam (formerly NFQ Vietnam) was recognized by ITViec for 7 consecutive years, including 2 successive years as the Winner. Work with some of the best minds in the industry and be part of a company that’s redefining how businesses scale through technology.
Career Growth & Leadership Development – Work closely with our leadership team, gain mentorship from experienced executives, and have direct exposure to high-level strategic decisions. Your growth is limitless, as long as you’re ready to step up, opportunities will always be there for you.
Competitive Compensation – We believe great talent deserves great rewards. Expect an attractive salary, performance-based bonuses, and a benefits package that reflects your impact. We value talent over salary budgets - exceptional contributions deserve exceptional rewards.
And Many More Benefits to Explore! But most importantly, a healthy work-life balance and an environment where you can thrive - professionally and personally. Including:
- A laptop is provided.
- Community Tech activities.
- A fun & dynamic environment and freedom to be creative.
- Modern office with a flexible, relaxing zone.
- Performance bonus (up to 2-month salary).
- Performance review 2 times/year.
- Extra Premium Healthcare & Annual Health-check.
- 15 days of annual leave.
Working time: Monday – Friday (9 AM – 6 PM)
Location:
- Ho Chi Minh office: Podium Floor, Sapphire 2 tower, 92 Nguyen Huu Canh Street, Thanh My Tay Ward, Ho Chi Minh City, Vietnam.
- Da Nang office: 23rd Floor, G8 Golden Building, 65 Hai Phong, Hai Chau Ward, Da Nang City, Vietnam.
- Remote Work: Candidates based in Hanoi or Can Tho are welcome to work remotely.
According to General Data Protection Regulation (GDPR), Singapore's Personal Data Protection Act (PDPA), and Vietnam's Decree 13/2023/ND-CP, while also ensuring compliance with other applicable local data protection laws in the jurisdictions where we operate, including but not limited to Vietnam, Thailand, Egypt, Singapore, Germany, and Saudi Arabia, Gradion applies the “Personal Data Protection Policy” to all candidates to ensure compliance with the laws.
By submitting your application to Gradion, you agree to allow us to process your provided information in accordance with the Personal Data Protection Policy that you have carefully read, understood, and agreed to in its entirety at Link.

Job Location

Bangkok, 62292, Indonesia

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