Runware is hiring a Senior PHP Developer to turn ambitious ideas into production systems that delight developers and deliver business impact. You'll work across the stack, from backend APIs and orchestration to SDKs, dashboards, and developer tools, taking ownership from start to finish.
What You'll Do
- Lead the design and implementation of core systems powering Runware’s AI platform.
- Build and evolve backend APIs, SDKs, and developer tools that make AI integration seamless.
- Integrate and optimise image and video models while supporting new modalities such as audio and custom LLMs.
- Architect scalable, reliable systems for inference orchestration and workload optimisation.
- Partner with platform and infrastructure teams to drive performance, reliability, and observability improvements.
- Shape technical direction through architectural discussions and long-term planning.
- Mentor engineers through code and design reviews, fostering technical excellence and growth.
- Contribute to documentation, tooling, and SDKs that enhance the overall developer experience.
- Drive initiatives that improve how we build, deploy, and maintain our platform.
What We're Looking For
- Deep experience building distributed and high-performance systems.
- Strong programming skills in PHP.
- Proven track record of designing and delivering scalable backend systems and APIs.
- Understanding of asynchronous workloads, queues, and streaming data.
- Experience working with cloud and bare-metal infrastructure.
- Excellent grasp of system design, performance optimisation, and scalability principles.
- Clear communicator who leads technical projects and collaborates effectively across teams.
- Passionate about mentoring others and raising engineering standards.
- Proactive problem-solver who balances short-term progress with long-term vision.
- Existing right to work in the UK (visa sponsorship not available).
Technical Stack
- PHP
Team & Environment
Collaborate across the company.
Benefits & Compensation
- Generous paid time off – vacation, sick days, public holidays.
- Meaningful stock options – share in the upside you create.
- Remote-first setup – work from home anywhere we can employ you.
- Flexible hours – own your schedule outside core collaboration blocks.
- Family leave – paid maternity, paternity, and caregiver time.
- Company retreats – twice-yearly gatherings in inspiring locations.
Work Mode
This is a remote-first position for candidates located in the UK. We are a remote-first collective, meeting in person twice a year to plan, brainstorm, celebrate wins, and enjoy some face-to-face time. Our release cycles are fast and intense, but they’re followed by real downtime. After big pushes we expect the team to unplug and recharge.
