Principal Full-Stack Developer

Liven PTY Ltd; Daerah Khusus Ibukota Jakarta; On-site; IDR 150.000.000 - 200.000.000; Full time

Job summary

A leading technology provider in hospitality is seeking a Principal Full-Stack Developer to guide the development of scalable applications. The role involves both strategic planning and hands-on work, covering full stack from frontend to backend, while fostering engineering excellence. Ideal candidates will have extensive experience in building secure systems and working with modern development practices.

Qualifications

• 7+ years of experience in full-stack development.
• Deep expertise in both frontend (React) and backend (Node.js, Django) systems.
• Experience with relational (PostgreSQL, MySQL) and NoSQL databases.

Responsibilities

• Architect and develop high-quality web applications.
• Drive system design and technical decision-making.
• Lead and mentor engineers.

Skills

Frontend development

Backend development

Database design

API design

DevOps practices

GraphQL

Real-time application development

Security best practices

Tools

Docker

AWS

GCP

Job description

Join the revolution in hospitality tech!

Liven is a leading global data, technology, and customer experience provider for the hospitality industry. From humble beginnings, we have grown to serve over 6,000 venues and millions of diners across Australia, the USA, and Southeast Asia, processing over 120 million transactions worth more than $3 billion (AUD) annually.

At Liven , our platform is built to help hospitality businesses save more and work smarter by seamlessly integrating every aspect of their operations — from ordering and payments to back-of-house management .

Driven by a deep passion for the hospitality industry, we continuously innovate to elevate the experience for both venues and their guests. Our solutions are powered by AI-enriched insights and automated workflows , enabling smarter decision-making and smoother operations at scale.

We’re proud to be an AI-first organisation . By automating repetitive tasks, we free up space for our teams — and our customers — to focus on what truly matters: solving complex problems, delighting guests, and driving meaningful growth.

Key Milestones:

• Global Reach: Headquartered across major cities including Melbourne, Brisbane, Sydney, Singapore, Bali, Jakarta, New York, and India.

If you're someone who thrives on creativity, bold thinking, and using technology to make things better, faster, and smarter — you’ll feel right at home here.

About the role

As a Principal Full-Stack Developer at Liven, you will be a hands-on technical leader guiding the development of scalable, performant, and secure applications across our platform. This role is both strategic and executional—helping shape the technical roadmap while actively contributing to our product delivery. You’ll work across the full stack, from frontend interfaces to backend services, data systems, and DevOps pipelines.

What you'll do

• Architect and develop high-quality, user-centric web applications using React, Node.js, and Django (Python).
• Drive system design and technical decision-making for core platform services and new features.
• Build and optimize RESTful APIs and event-driven services that power our consumer and merchant experiences.
• Lead and mentor engineers, sharing best practices in code quality, architecture, testing, and scalability.
• Collaborate cross-functionally with product, design, and QA to shape and deliver impactful experiences.
• Maintain and evolve our CI/CD pipelines, cloud infrastructure, and deployment strategies.
• Promote engineering excellence through code reviews, technical documentation, and internal workshops.

Qualifications

• 7+ years of experience in full-stack development, with deep expertise in both frontend and backend systems.
• Strong grasp of database design and operations—experience with both relational (PostgreSQL, MySQL) and NoSQL databases.
• Proven experience designing scalable systems, APIs, and distributed services in production environments.
• Experience in modern DevOps practices, including containerisation (Docker), CI/CD, and infrastructure as code.
• Familiarity with GraphQL , WebSockets , and real-time application development.
• Solid understanding of security, performance, and observability best practices.
• Exposure to cloud platforms such as AWS or GCP .

Good to Have

• Experience with testing frameworks such as Jest , Pytest , or Cypress .
• Contributions to open-source or engineering communities.
• Startup or high-growth tech company experience.