At a Glance
- Tasks: Own the agent platform and build enterprise-grade AI features for risk management.
- Company: Helmguard.ai, a fast-growing London startup backed by top investors.
- Benefits: Equity opportunities, radical ownership culture, and impactful work in AI.
- Other info: Collaborate with leading labs and enjoy a dynamic startup environment.
- Why this job: Join a pioneering team at the forefront of AI technology with significant influence.
- Qualifications: Experience in backend engineering with TypeScript and production-grade LLM features.
The predicted salary is between 70000 - 90000 £ per year.
Helmguard.ai is a pre-Series A London startup building agent-native risk infrastructure, backed by top UK/US investors and alumni from Meta, SpaceXAI, and Palantir. Founded by Palantir and Stanford/Oxford experts, they have reached seven-figure revenue within months of launch and secure multi-year contracts with global financial and healthcare enterprises.
You will own the agent platform, transforming frontier model calls into production-grade enterprise features for high‐stakes risk management. As a founding engineer, you'll build the orchestration, evals, and reliability infrastructure that allows AI agents to act as peers to domain experts, setting the standard for AI quality and safety at scale.
Location: London, UK
Why this role is remarkable:
- Join a high-growth startup that achieved seven‐figure revenue months after launch, backed by tier‐one investors and tech heavyweights from SpaceXAI and Palantir.
- Experience the outsize impact and influence of a founding‐team role, with significant pre‐Series A equity upside and a culture of radical ownership.
- Work at the extreme frontier of AI, pushing APIs so hard you'll collaborate with labs like Anthropic to resolve core engine bugs.
What You Will Do:
- Architect and build agent scaffolding including tool use, context management, sandboxing, and robust prompt‐injection defenses for enterprise‐grade security.
- Develop sophisticated evaluation infrastructure for high‐stakes outputs, utilizing LLM‐as‐judge frameworks and regression testing to ensure peer‐level correctness.
- Engineer reliability systems including custom retries, circuit breakers, and prompt versioning to turn experimental model outputs into dependable production actions.
The ideal candidate:
- Proven backend engineering experience in TypeScript with at least 1‐2 years of shipping production‐grade LLM features and multi‐step agent orchestration.
- Strong systems thinking regarding asynchronous queues, idempotency, and the ability to curate datasets for evaluating fuzzy, high‐stakes compliance policies.
- A self‐starter comfortable owning AI quality end‐to‐end, possessing the technical conviction to say "no" when features don't meet rigorous safety bars.
Founding Engineer, Agent Systems at Helmguard in London employer: Jack & Jill
Helmguard.ai is an exceptional employer for those seeking to make a significant impact in the AI landscape. As a pre-Series A startup in London, we offer a dynamic work culture that fosters radical ownership and innovation, alongside opportunities for substantial equity growth. Join us to collaborate with industry leaders and contribute to cutting-edge projects that redefine risk management in global enterprises.
StudySmarter Expert Advice🤫
We think this is how you could land Founding Engineer, Agent Systems at Helmguard in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Jack & Jill or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Jack & Jill.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Jack & Jill.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Jack & Jill that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Founding Engineer, Agent Systems at Helmguard in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Jack & Jill.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Jack & Jill and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Jack & Jill
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Jack & Jill uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
