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- Tasks: Build innovative AI-native financial modelling features and optimise performance-critical code.
- Company: Exciting VC-backed GenAI startup in London with a small, talented team.
- Benefits: Competitive salary up to £200k, equity package, and fast career growth.
- Why this job: Join a dynamic team and make a real impact on the future of finance.
- Qualifications: Top-tier engineering skills, problem-solving ability, and familiarity with AI-assisted tools.
- Other info: Work in a collaborative office environment with strong ownership and development opportunities.
The predicted salary is between 120000 - 200000 £ per year.
This is a VC-backed GenAI startup building an AI-native platform for financial modelling - think replacing the spreadsheet workflows that haven't changed in 20 years. The team is small by design (~7 engineers today) and the bar is high. They’ve already raised a serious round, are live with major enterprise customers, and plan to grow in 2026 - but only by adding exceptionally talented engineers and raising the bar with every new hire.
What you'll do:
- Build core product features end-to-end across backend (mainly) and frontend
- Write performance-critical code - remove allocations, optimise queries, aggressive caching
- Develop and improve an AI coding agent that writes, edits, and reasons over complex spreadsheet models
- Own backend infrastructure, CI pipelines, and low-level debugging
- Ship fast without cutting corners on quality
Tech Stack: TypeScript (primary), Rust (when performance matters), AWS, Claude Code/Cursor.
What you'll need:
- Clear evidence you’re a top-percentile engineer - fast promotions, competitive programming, notable projects, or similar
- Strong fundamentals (language-agnostic - they care more about how you think than what you’ve used)
- Excellent problem-solving ability
- Already comfortable with AI-assisted dev tools (Claude Code, Cursor, etc.)
- High agency - you’re self-driven and don’t wait to be told what to do
- Happy to be in the office 5 days a week in London (non-negotiable)
You’ll get real ownership, work closely with other strong engineers, and build something people actually use every day.
Compensation: Up to £120k-£200k + equity. Shortlisted candidates will be contacted within 48 hours.
Software Engineer (Rust/TypeScript) in City of London employer: Axiōma Search
Contact Detail:
Axiōma Search Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Software Engineer (Rust/TypeScript) in City of London
✨Tip Number 1
Network like a pro! Reach out to current employees at the startup on LinkedIn. A friendly chat can give you insider info and might just get your application noticed.
✨Tip Number 2
Show off your skills! If you’ve got a GitHub or personal project that showcases your Rust or TypeScript prowess, make sure to highlight it during interviews. It’s all about demonstrating what you can bring to the table.
✨Tip Number 3
Prepare for technical challenges! Brush up on your problem-solving skills and be ready to tackle coding tests. Practice makes perfect, so don’t skip this step!
✨Tip Number 4
Apply through our website! We want to see your application directly, and it helps us keep track of all the amazing talent out there. Don’t miss out on the chance to join a fantastic team!
We think you need these skills to ace Software Engineer (Rust/TypeScript) in City of London
Some tips for your application 🫡
Show Off Your Skills: Make sure to highlight your top-notch engineering skills in your application. We want to see clear evidence of your abilities, whether it's through competitive programming, impressive projects, or fast promotions. Let us know what makes you a standout engineer!
Tailor Your Application: Don’t just send a generic application! Take the time to tailor your CV and cover letter to our job description. Mention your experience with TypeScript and Rust, and how you've tackled performance-critical coding challenges in the past. We love seeing how you fit into our vision!
Be Yourself: We’re looking for genuine passion and personality in your application. Don’t be afraid to let your unique voice shine through. Share your thoughts on AI-assisted development tools and how they’ve impacted your work. We want to know what drives you!
Apply Through Our Website: To make sure your application gets the attention it deserves, apply directly through our website. It’s the best way for us to keep track of your application and ensure you’re considered for this exciting opportunity. We can’t wait to hear from you!
How to prepare for a job interview at Axiōma Search
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in TypeScript and Rust, as these are crucial for the role. Brush up on performance optimisation techniques and be ready to discuss how you've applied them in past projects.
✨Showcase Your Problem-Solving Skills
Prepare to tackle some coding challenges during the interview. Practice common algorithms and data structures, and think aloud while solving problems to demonstrate your thought process.
✨Familiarise Yourself with AI Tools
Since the company is focused on AI-assisted development, get comfortable with tools like Claude Code and Cursor. Be prepared to discuss how you’ve used similar tools in your work or how you would integrate them into your workflow.
✨Demonstrate High Agency
The team values self-driven individuals. Share examples of when you took initiative in previous roles, whether it was leading a project or suggesting improvements. Show that you’re proactive and ready to contribute from day one.