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FireGroup

Senior Backend Engineer Nodejs

FireGroup

ITviec
OnsiteVietnam29 days ago
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Job Description

Top 3 Reasons To Join Us Make a global impact on merchants’ success Deepen your skills in a competitive SaaS market Grow with passionate talents for quality products The Job

1) Product Development Process (Agile/Scrum)

  • Participate in Daily, Refinement, Planning, Review, and Retro meetings.
  • Report progress clearly, surface risks early, and propose practical solutions.
  • Analyze requirements, break down tasks, and provide accurate estimations/story points.
  • Turn Retro insights into actionable improvements for the next sprint.

2) Backend Architecture & Development

  • Own the technical design and architecture for complex features that impact multiple modules/teams or the overall system.
  • Build and maintain backend services and APIs using Node.js, ensuring correctness and reliability.
  • Select appropriate technical approaches and document key decisions (design, trade-offs, impact).

3) Code Quality, Performance & Security

  • Ensure code quality: clean, maintainable, well-structured, and compliant with team standards (linting, conventions).
  • Collaborate closely with stakeholders (Frontend, Design, QA/QC, Backend team) to deliver features that meet product requirements.
  • Proactively improve performance (e.g., query optimization, caching, profiling) and security (e.g., API protection, access control, data safety).

4) Maintenance, Bug Fixing & Production Support

  • Troubleshoot issues with a system-wide view and deliver root-cause fixes (not just patches).
  • Coordinate feature changes to ensure consistency and avoid regressions.
  • Monitor production systems and propose improvements to enhance stability and reliability.

5) Code Review & Team Development

  • Conduct code reviews, support teammates with technical guidance, and identify hidden risks (performance/security/design).
  • Mentor junior/mid engineers and contribute to building team guidelines, checklists, and best practices.
Your Skills and Experience
  • 5+ years of backend engineering experience; strong preference for product environments with real users and scale.
  • Strong proficiency in Node.js (advanced level preferred): designing APIs/services, handling concurrency, performance tuning.
  • Solid understanding of API design (structure, validation, error handling, versioning) and backend security fundamentals.
  • Strong software design foundation: OOP, Design Patterns, Clean Architecture; experience with Microservices (product-dependent).
  • Hands-on experience with Message Queues (e.g., Kafka/RabbitMQ/SQS or equivalent).
  • Experience with (product-dependent): MySQL / PostgreSQL / MongoDB / Redis / Elasticsearch.
  • Ability to write advanced queries, design schemas, understand indexing, and optimize database performance.
  • Strong system thinking, ownership mindset, and ability to drive outcomes end-to-end.
  • Effective cross-functional communication, especially on complex, multi-stakeholder work.
  • Able to read technical documentation confidently; working communication is a plus.

Nice-to-have

  • Experience with additional languages such as Python
  • Experience with observability tooling (logging/monitoring/tracing) such as ELK/Prometheus/Grafana (or equivalent).
  • Familiar with AI-assisted coding tools and able to use them responsibly to boost productivity while maintaining quality.
Why You'll Love Working Here

At the core of FireGroup is a deep desire to grow. We’re a passionate team with growth mindsets, turning what we do into a purpose. We’re always exploring how to apply world-class innovations and creative ideas to our work - so we can push further, conquer challenges, and go beyond limits.

 

In the face of a rapidly evolving e-commerce landscape, we embrace an AI-first approach. Advanced AI tools are embedded in our workflow - not just to boost productivity, but to power smarter decision-making and unlock solutions that serve merchants more effectively. With AI as our co-pilot and a native mindset for technology, we turn complexity into simplicity for those who count on us.

 

Our ultimate mission is to develop innovative products that comprehensively and effectively solve problems in e-commerce, making online business easy and sustainable for everyone. We believe that the spirit of daring to step up and our distinctive values are the greatest driving forces behind FireGroup's journey from a five-member startup to a team of over 200 colleagues, leading us to greater challenges and successes:

  1. Courage - Dare to step up
  2. Growth - Grow beyond yesterday
  3. Creativity - Think differently
  4. Ownership - Own your work
  5. Teamwork - Get Stronger together
  6. Trust - Give trust, gain trust
  7. Empathy - Walk in other's shoes

At FireGroup, our values don’t just live in documents - they live in us. They show up in every decision we make, every product we build, and every story our Firers share. Dive into real stories and everyday actions that bring our culture to life: firegroup.io/culture

 

And that’s not all - we’ve got some great perks waiting for you, including:

Rewarding Compensation & Benefits

  • Competitive salary tailored to your skills and experience
  • 13th-month salary & seniority bonus
  • Annual salary reviews for outstanding contributions
  • 16 days of annual leave, with an extra day for 3+ years of service
  • Work-from-home policy for pregnant employees
  • Premium healthcare and annual health check
  • Special occasion support: marriage, maternity bonuses, and birthday vouchers
  • Festive gifts for holidays like Mid-Autumn and Lunar New Year
  • Free coffee, tea, juice, and a wide range of snacks
  • Well-equipped devices provided based on your role (MacBook/iMac/Macmini/Windows Laptop/Monitor)
  • Employee Stock Option Program offer for key contributors

Fast-track Growth:

  • Gain exceptional experience by building world-class products used by hundreds of thousands of merchants globally
  • Buddy Program to guide and support you throughout your onboarding journey
  • Regular seminars and workshops to sharpen both technical and soft skills
  • Access to Udemy, internal e-learning platform tailored to your growth
  • Recognition programs that celebrate your outstanding contributions

Engagement Activities:

  • Sports Club: Football, Badminton, Yoga
  • Gym area available onsite
  • Monthly/Quarterly team bonding events across business units
  • Signature company events: Company Trip, Year-End Party, New Year Kick-off, Women’s Day, Christmas, and Quarterly Town Halls - all designed to celebrate and connect our people.

Benefits

At the core of FireGroup is a deep desire to grow. We’re a passionate team with growth mindsets, turning what we do into a purpose. We’re always exploring how to apply world-class innovations and creative ideas to our work - so we can push further, conquer challenges, and go beyond limits.

 

In the face of a rapidly evolving e-commerce landscape, we embrace an AI-first approach. Advanced AI tools are embedded in our workflow - not just to boost productivity, but to power smarter decision-making and unlock solutions that serve merchants more effectively. With AI as our co-pilot and a native mindset for technology, we turn complexity into simplicity for those who count on us.

 

Our ultimate mission is to develop innovative products that comprehensively and effectively solve problems in e-commerce, making online business easy and sustainable for everyone. We believe that the spirit of daring to step up and our distinctive values are the greatest driving forces behind FireGroup's journey from a five-member startup to a team of over 200 colleagues, leading us to greater challenges and successes:

  1. Courage - Dare to step up
  2. Growth - Grow beyond yesterday
  3. Creativity - Think differently
  4. Ownership - Own your work
  5. Teamwork - Get Stronger together
  6. Trust - Give trust, gain trust
  7. Empathy - Walk in other's shoes

At FireGroup, our values don’t just live in documents - they live in us. They show up in every decision we make, every product we build, and every story our Firers share. Dive into real stories and everyday actions that bring our culture to life: firegroup.io/culture

 

And that’s not all - we’ve got some great perks waiting for you, including:

Rewarding Compensation & Benefits

  • Competitive salary tailored to your skills and experience
  • 13th-month salary & seniority bonus
  • Annual salary reviews for outstanding contributions
  • 16 days of annual leave, with an extra day for 3+ years of service
  • Work-from-home policy for pregnant employees
  • Premium healthcare and annual health check
  • Special occasion support: marriage, maternity bonuses, and birthday vouchers
  • Festive gifts for holidays like Mid-Autumn and Lunar New Year
  • Free coffee, tea, juice, and a wide range of snacks
  • Well-equipped devices provided based on your role (MacBook/iMac/Macmini/Windows Laptop/Monitor)
  • Employee Stock Option Program offer for key contributors

Fast-track Growth:

  • Gain exceptional experience by building world-class products used by hundreds of thousands of merchants globally
  • Buddy Program to guide and support you throughout your onboarding journey
  • Regular seminars and workshops to sharpen both technical and soft skills
  • Access to Udemy, internal e-learning platform tailored to your growth
  • Recognition programs that celebrate your outstanding contributions

Engagement Activities:

  • Sports Club: Football, Badminton, Yoga
  • Gym area available onsite
  • Monthly/Quarterly team bonding events across business units
  • Signature company events: Company Trip, Year-End Party, New Year Kick-off, Women’s Day, Christmas, and Quarterly Town Halls - all designed to celebrate and connect our people.