Senior Full-Stack PHP Developer

Senior Full-Stack PHP Developer HI Technology & Innovation has been supporting cutting-edge development and engineering innovative solutions in close partnership with our start-up and scale-up clients, for over 10 years. Join us! Apply Now We usually respond within a week Senior Full-Stack PHP Developer Contract | Remote (South Africa) | Full-Time Hours About the Role We're looking for a Senior Full-Stack PHP Developer to join one of our clients in a fast-moving applications team during an exciting period of platform growth and delivery. You'll work across a customer-facing web platform and its APIs, building new features, integrating third-party services, and surfacing new data and reporting experiences for end users. This is a full-stack role and you'll be embedded directly into our client's team, joining daily standups, working within established processes and tooling, and picking up work across the backlog, from backend PHP/Symfony development through to React/TypeScript UI work. We're looking for experienced professionals who can get up to speed quickly and start delivering with minimal ramp-up time. What You'll Be Working On Building and improving customer-facing features across a large, established PHP/Symfony web application backed by MySQL Developing new UI components and views in React/TypeScript Exposing new data and reporting through portal pages, reporting views, and API layers Integrating third-party services via their APIs and SDKs, and maintaining clean abstraction layers Enhancing and extending the existing PHP API layer to support new platform features Full-stack delivery across backend and frontend, picking up whatever the backlog needs The Tech Stack Backend PHP with Symfony, clean code architecture, not just framework familiarity Doctrine ORM MySQL (production and read replicas) AWS-hosted, served via Apache Frontend React built in TypeScript JavaScript and CSS; some legacy Vue Testing PHPUnit for unit testing Playwright for UI/E2E testing What We're Looking For Strong commercial PHP experience, ideally with Symfony or a comparable modern PHP framework, with a solid grasp of clean API design and architecture Solid SQL skills: writing and optimising queries against large datasets, comfortable working with an ORM. MySQL experience is a plus; strong Postgres experience is also acceptable Proven experience building and consuming REST APIs, including third-party integrations Comfortable working on AWS-hosted applications Frontend competence in TypeScript/JavaScript sufficient to contribute across the full stack Strong engineering discipline, version control, unit testing, code review and clear written communication for a remote embedded team Secure coding awareness: you should write to a standard that passes automated static analysis and secrets scanning as part of the CI/CD pipeline Nice to Have React experience — strongly valued; without it, the focus would be on PHP/Symfony, API, and legacy portal work React Native awareness — some work feeds from a driver-facing mobile app Exposure to telematics, IoT, or high-volume data platforms Experience modernising or re-platforming legacy applications Familiarity with agentic coding tools such as Cursor or Claude Code Docker — working familiarity expected at senior level Python — not needed for this engagement but a longer-term plus Ways of Working This is a fully remote engagement but requires guaranteed overlap with UK business hours for daily standups and team collaboration. You'll be embedded directly in the team, this is not a hand-off or black-box delivery model. We value pragmatic, delivery-focused engineers who are comfortable in large established codebases and focused on shipping. Department Software Engineers Locations South Africa Remote status Fully Remote About HI Technology & Innovation Since we were established in 2012, headquartered in the United Kingdom, we have rapidly expanded to lead the way in technology partnerships, collaborating with numerous businesses worldwide. Founded in 2012 Co-workers 42+ Turnover 1M+