Fullstack Developer

About us
Wellous Group is a fast-growing health and wellness company dedicated to delivering innovative, high-quality products that enhance everyday living. With a strong focus on research, product development, and brand excellence, we aim to create trusted solutions that support healthier lifestyles.

About the role

We are looking for Fullstack Developers at both Junior and Senior levels to build and evolve production web applications across PHP and Bun/Node.js. You will work across backend services, APIs, databases, frontend features and integrations, with a strong focus on code quality, reliability and pragmatic delivery.

Job Description:

What you will do

• Design, build and maintain backend services, APIs and web application features.
• Develop and integrate frontend functionality using modern JavaScript/TypeScript practices.
• Work with relational databases, caching and asynchronous/background processing where required.
• Troubleshoot production issues, identify root causes and implement durable fixes.
• Write maintainable code, meaningful tests and clear technical documentation.
• Collaborate with product, BA/PM, design and engineering teammates to turn requirements into working software.
• Use AI-assisted development tools where useful, while remaining accountable for correctness, security and maintainability.

Level Expectations

Fullstack Developer - Junior

• Solid programming fundamentals and a working understanding of HTTP, REST APIs, SQL and Git.
• Able to implement scoped features with guidance and progressively handle more independent work.
• Comfortable reading existing code, debugging issues and asking precise technical questions.
• Basic experience with PHP and JavaScript/TypeScript; exposure to Node.js or Bun is an advantage.
• Willing to learn code review, testing, security and production troubleshooting practices.

Fullstack Developer - Senior

• Own features or services end-to-end: design, implementation, testing, deployment support and production follow-up.
• Strong PHP backend experience plus practical Node.js/Bun and TypeScript experience.
• Make sound architectural trade-offs around API design, data modelling, performance, reliability and maintainability.
• Review code, mentor developers and raise engineering standards without over-engineering.
• Diagnose complex incidents across application, database, cache, queue and external integration boundaries.
• Communicate technical risks, alternatives and implementation plans clearly to both engineers and non-engineers.

Core Requirements

• PHP 8+ and practical experience with at least one modern PHP framework or structured application architecture.
• JavaScript/TypeScript fundamentals; experience building or maintaining frontend application features.
• Node.js or Bun experience, or the ability to become productive quickly in the JavaScript server runtime ecosystem.
• MySQL fundamentals including schema design, indexing, joins, transactions and query troubleshooting.
• REST API design and integration experience; comfortable working with third-party services and webhooks.
• Git-based development workflow and code review practices.
• Strong debugging mindset: reproduce, isolate, inspect evidence, fix root cause and verify the outcome.