2026 Graduate Software Engineer - Triton
Molten Ventures (formerly Draper Esprit) is a European venture capital firm that has spent twenty years backing founders and innovators driving Europe's technology transformation. It invests capital alongside experience, energy, and partnership to help visionary technology companies scale, serving high-growth startups and scale-ups across Europe.
About Molten Ventures
Molten Ventures is a publicly listed venture capital firm focused on backing visionary founders building Europe's technology future. Beyond providing capital, the firm offers portfolio companies experience, energy, and partnership to help them scale faster and go further. Its portfolio includes companies that have collectively reached more than 50 million customers, crossed the $200m ARR mark, sold more than 7 million devices, and achieved notable public market outcomes including IPOs at market caps of £1bn and nearly £9bn. The firm operates seed funds, evaluates new investment opportunities and pitch decks from founders, maintains an investor portal for its shareholders, and publishes sustainability reporting covering responsible investment and portfolio engagement practices.
Skills
About the Role
You will build the software that helps machine learning developers get more from Graphcore hardware. As a Graduate Software Engineer in the Triton team, you will help connect Graphcore accelerators with the ML frameworks developers use every day. Your work will make the software easier to use, more reliable and more performant for real AI workloads. You will learn how compilers, frameworks and hardware interact in a production engineering setting. You will contribute to features, tests, documentation, code reviews and performance improvements across a complex codebase, supported by experienced engineers while taking ownership of meaningful work early.
Requirements
- Bachelor's or master's degree in computer science, Maths, Machine Learning, Data Science, or a related field
- Hands-on experience with Python or C++, gained through study, projects, placements, internships or open source
- Practical experience or strong academic understanding of compiler development
- Interest in AI, machine learning frameworks, high performance software or computing architectures
- Ability to write clear, maintainable code, tests and documentation
- Curiosity, ownership and willingness to learn through feedback, code reviews and technical discussion
- Legal right to work in the UK (no visa sponsorship provided)
Responsibilities
- Contribute to features across a complex codebase
- Write and maintain tests
- Write and maintain documentation
- Participate in code reviews
- Improve performance of software
- Learn how compilers frameworks and hardware interact
- Own well-scoped tasks
- Ask questions early and build confidence through reviews testing and documentation
Benefits
- Flexible working
- Generous leave
- Up to 5% matched pension
- Phantom equity
- Free food and on-site barista
- Income protection and life assurance
- Flexible benefits package including private medical insurance and dental cover
- Optional benefits: dental cover, health cash plan, private medical insurance, cycle to work scheme, give as you earn