We’re looking for a Senior Software Engineer who thrives on turning ambitious ideas into production systems that delight developers and deliver real business impact. You’ll take ownership from start to finish, understanding user needs, designing elegant solutions, and delivering outcomes that make building with AI faster, simpler, and more creative. This role combines technical depth, product intuition, and leadership, making it ideal for engineers who want to shape both how things are built and why they matter. You thrive on transforming complex AI systems into products that developers love to use. You think holistically about architecture, user experience, and business outcomes, and you take pride in delivering systems that are both elegant and dependable. You are equally comfortable designing APIs, building scalable backend services, and improving developer-facing experiences. You set a high bar for quality, mentor others to reach it, and drive alignment between product ambition and technical reality. 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 Partner with platform and infrastructure teams to drive performance, reliability, and observability improvements Shape technical direction through architectural discussions and long-term planning Deep experience building distributed and high-performance systems Strong programming skills in PHP or Go Understanding of asynchronous workloads, queues, and streaming data Excellent grasp of system design, performance optimisation, and scalability principles Clear communicator who leads technical projects and collaborates effectively across teams Proactive problem-solver who balances short-term progress with long-term vision We’re a remote-first collective, meeting in person twice a year to plan, brainstorm, celebrate wins, and enjoy some face-to-face time. Work the hours that let you perform at your peak while also building a healthy life. Generous paid time off – vacation, sick days, public holidays 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
Senior Software Engineer - Remote working in Kent employer: Runware
At Runware, we pride ourselves on being an exceptional employer that fosters a remote-first culture, allowing our Senior Software Engineers to thrive in a flexible environment. With generous paid time off, meaningful stock options, and opportunities for professional growth through mentorship, we ensure our team members can balance their work and personal lives while contributing to impactful AI solutions. Our twice-yearly company retreats provide a unique chance to connect with colleagues in inspiring locations, making every moment spent with us both rewarding and enjoyable.
