Senior Software Engineer - Serverless (Remote)

Salary: £57,000 - 85,000 per year

Requirements:

• Deep experience building distributed and high-performance systems
• Strong programming skills in PHP or Go
• 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 can lead technical projects and collaborate effectively across teams
• Passion for mentoring others and raising engineering standards
• Proactive problem-solver who balances short-term progress with long-term vision
• Located in a European time zone

Responsibilities:

• Lead the design and implementation of core systems powering our 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 improve performance, reliability, and observability
• 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 developer experience
• Drive initiatives that improve how we build, deploy, and maintain our platform

Technologies:

• AI
• Architect
• Backend
• Cloud
• PHP

More:

Were looking for a Senior Software Engineer to turn ambitious ideas into production systems that delight developers and deliver business impact. This role spans backend APIs, orchestration, SDKs, dashboards, and developer tools, combining technical depth, product intuition, and leadership. Were a remote-first collective with core collaboration hours and flexible schedules outside those blocks. We meet in person twice a year, and our fast, intense release cycles are followed by dedicated downtime. We offer generous paid time off, meaningful stock options, remote work from locations where we can employ you, paid family leave, and twice-yearly company retreats.

last updated 40 week of 2026