Hybrid Staff Software Engineer

at hyperexponential

• Job title: Staff Software Engineer
• Job type: Full Time
• Experience level: Lead
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Cloud, Kotlin, Python, Rust, TypeScript
• Location requirements: Hybrid, London, United Kingdom

About the role

• Staff Software Engineer building innovative AI-driven products for the insurance industry. Collaborating with cross-functional teams while leading design and implementation of novel features.

Responsibilities

• Architect and build AI-driven products from scratch, tackling complex problems with no established playbook.
• Lead the design and implementation of novel features such as domain-specific coding copilots within hx’s proprietary development environment.
• Partner with cross-functional peers to shape architectural decisions, ensuring scalability, reliability, and long-term sustainability of our AI systems.
• Experiment, prototype, and ship rapidly, seeing innovations move quickly from idea to production in live customer environments.
• Contribute to the evolution of hx’s AI technical vision, embedding best practices and advancing engineering excellence across the team.
• Act as a multiplier: mentoring engineers, raising standards, and building a culture of curiosity, speed, and quality.

Requirements

• Built and shipped production-grade systems in Python, with strong depth in distributed, cloud-based architectures (other languages, especially Rust, Kotlin and Typescript, are also welcome).
• Solved real-world data challenges, designing reliable, scalable systems that operate under ambiguity.
• Taken end-to-end ownership of technical initiatives: identifying opportunities, designing solutions, and delivering impact.
• Communicated complex technical ideas clearly to a range of stakeholders, from engineers to product leaders.
• Influenced engineering direction and culture, scaling local wins into broader practices.
• Delivered AI or ML-powered products from prototype to scale, balancing experimentation with production rigour - nice to have.

Benefits

• £5,000 training and conference budget for individual and group development.
• 25 days of holiday plus 8 bank holidays (33 days total).
• Company pension scheme via Penfold.
• Mental health support and therapy via Spectrum.life.
• Individual wellbeing allowance via Juno.
• Private healthcare insurance through AXA.
• Income protection and Life Insurance.
• Cycle to Work Scheme
• Top-spec equipment (laptop, screens, adjustable desks, etc.).
• Regular remote and in-person hackathons, lunch and learns, socials, and game nights.
• Team breakfasts and lunches, snacks, drinks fridge, and a fun office at The Ministry.
• Exceptional opportunities for personal development and growth as we build something remarkable together.