Senior Backend Engineer
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Key skills for this role
About the Role
Justlife seeks a Senior Backend Engineer to own core marketplace services including smart matching, live operations, and platform integrations. The role requires strong Java and Spring Boot skills, experience with distributed systems, and a senior-level ownership mindset.
Key Skills for This Role
Responsibilities
- Smart matching at scale: the customer to supplier dispatching algorithms that match demand to the right professional in real time
- Live operations: real time order tracking and the availability & assignment systems behind it
- Platform & integrations: designing and optimizing APIs for third party integrations, with API first development and end to end API testing
- Data & reliability: database modeling, a safer and more flexible attribute management system, and performance at scale
- Experimentation & AI: A/B experimentation structures and prototyping with AI tools to ship and learn faster
- Help evolve a legacy PHP 7 service (Symfony / Doctrine) and migrate it onto the Java platform
- Participate in on call rota
Requirements
- Strong proficiency in Java and hands on experience with Spring Boot (MVC architecture, RESTful services)
- Deep comfort with relational databases (MySQL) and ORM frameworks such as Hibernate
- Experience designing distributed, high throughput systems — message queues (RabbitMQ) and caching (Redis)
- Solid grasp of SOLID principles, object oriented design and design patterns, with strong code quality and testing discipline (unit and integration tests)
- Senior level ownership: you can take a service from design to production, make sound technical trade offs, and lift the people around you
Full Job Posting
Job Description
- Senior Software Engineer — Backend at Justlife, the region’s leading super app for home services.
- Every line of backend code moves the real world: dispatching engine routes thousands of trained professionals to real homes across the GCC — over 15 million sessions and counting.
- We’re building an AI first engineering organization and looking for a Senior Backend Engineer who wants to own hard problems at scale.
What you’ll own
- Smart matching at scale: the customer to supplier dispatching algorithms that match demand to the right professional in real time
- Live operations: real time order tracking and the availability & assignment systems behind it
- Platform & integrations: designing and optimizing APIs for third party integrations, with API first development and end to end API testing
- Data & reliability: database modeling, a safer and more flexible attribute management system, and performance at scale
- Experimentation & AI: A/B experimentation structures and prototyping with AI tools to ship and learn faster
What we’re looking for (must have)
- Strong proficiency in Java and hands on experience with Spring Boot (MVC architecture, RESTful services)
- Deep comfort with relational databases (MySQL) and ORM frameworks such as Hibernate
- Experience designing distributed, high throughput systems — message queues (RabbitMQ) and caching (Redis)
- Solid grasp of SOLID principles, object oriented design and design patterns, with strong code quality and testing discipline (unit and integration tests)
- Senior level ownership: you can take a service from design to production, make sound technical trade offs, and lift the people around you
Nice to have
- Experience with NoSQL (MongoDB)
- Exposure to AI agents and automation frameworks — a real plus as we build AI first
- Cloud and container experience (AWS, Docker, Kubernetes)
- Comfort with Git based workflows and CI/CD
- Experience with PHP
One thing to know
- Part of this role is helping us evolve a legacy PHP 7 service (Symfony / Doctrine) and migrate it onto our Java platform.
- You’ll also join our on call rota — we keep it fair, shared, and well supported.
Why Justlife
- Tight, high trust engineering team with real autonomy and an entrepreneurial culture
- 200+ full time team members, 25K+ service professionals, and a genuine people first ethos
- Investment in growth: mentorship and coaching, training, fast track career paths, and a fair, objective performance system
- Extra day off on your birthday, free Justlife credits, recognition through JustHeroes program, and referral bonus
How we hire
- First conversation with People & Culture team
- Technical interview with hiring manager
- Case study with deeper system design / problem solving session
- Final conversation with engineering leadership
Everyone’s welcome
- Justlife is an equal opportunity employer. We hire on the strength of your skills and potential, and we welcome applicants of every background, nationality, and experience.
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