Quick Summary
PHP Developer (All Levels) | AI Platform & Full Stack Engineering
We are seeking PHP Developers at all experience levels who excel at transforming ambitious concepts into production systems that delight developers and deliver significant business impact.
You will operate across the entire stack, encompassing backend APIs, orchestration, SDKs, dashboards, and developer tools. This role requires end-to-end ownership, including understanding user needs, designing elegant solutions, and delivering outcomes that streamline AI integration, making it faster, simpler, and more creative.
Collaboration is key to building robust, performant, and enjoyable systems. This position combines technical depth, product intuition, and leadership, making it ideal for engineers eager to influence both the technical implementation and the strategic importance of the products.
Is this role a fit for you?
You are driven by impact, thriving on turning complex AI systems into products developers love. You approach architecture, user experience, and business outcomes holistically, taking pride in delivering systems that are both elegant and dependable.
You are proficient in designing APIs, building scalable backend services, and enhancing developer-facing experiences. You maintain high quality standards, mentor colleagues, and align product goals with technical feasibility.
What this role could entail
- Lead the design and implementation of core systems powering Runware’s AI platform.
- Build and evolve backend APIs, SDKs, and developer tools for seamless AI integration.
- Integrate and optimize image and video models while supporting new modalities such as audio and custom LLMs.
- Architect scalable, reliable systems for inference orchestration and workload optimization.
- 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 via 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.
Requirements
- 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 optimization, 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.
Benefits
We are a remote-first collective, meeting in person twice annually for planning, brainstorming, celebrating achievements, and face-to-face interaction. We maintain core hours for cooperative working and calls, but otherwise, your schedule is flexible. Work the hours that maximize your performance while supporting a healthy life balance.
Our release cycles are fast and intense, followed by mandatory downtime. After major pushes, we expect the team to unplug, recharge, and return stronger for the next challenge.
- 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.
Please note: We are unable to offer visa sponsorship in the UK at this time. Candidates must have existing right to work in the UK.