At a Glance
- Tasks: Build innovative AI systems and ensure top-notch quality in production features.
- Company: Exciting tech startup located in King's Cross, London.
- Benefits: Competitive pay, EMI options, daily team lunches, and a vibrant office culture.
- Other info: Flexible work environment with excellent growth opportunities and cutting-edge tech.
- Why this job: Join a pioneering team shaping the future of AI with real impact.
- Qualifications: 1-2+ years in backend engineering with TypeScript and experience in AI frameworks.
The predicted salary is between 70000 - 90000 £ per year.
Responsibilities
- Agent scaffolding: tool use, context management, sandboxing, prompt-injection defence
- Evals for fuzzy, high-stakes outputs: assessments, policy interpretation, control mapping
- Reliability infrastructure: retries, fallbacks, circuit breakers, prompt versioning
- Define the internal standard for what "good enough to ship" means for AI features in the organization
Qualifications
- Experience with backend engineering in TypeScript or comparable, with 1–2+ years shipping production LLM features
- Experience with agent frameworks, tool calling, and multi-step orchestration
- Production evals chops: dataset curation, LLM‑as‑judge failure modes, regression testing under model swaps
- Strong systems thinking: async, queues, idempotency
- Comfort being the named owner of AI quality, including saying no when needed
Nice to have
- Anthropic, OpenAI, or open-weight APIs in production at scale
- Prompt‑injection or agent‑security work
- Background in compliance, audit, or any domain where correctness is fuzzy and stakes are high
Benefits
- Location: King's Cross, London (Gridiron building). Expect most days in‑office with flexibility as needed.
- Compensation: Top decile for the London market, with meaningful EMI‑eligible options.
- Perks: Daily team lunch, specialty coffee, roof terrace, on‑site showers for active commuters, and substantial per‑engineer AI tooling and API budgets.
- Interview process: Three stages: behavioural phone screen, technical phone screen, and a paid on‑site work trial. Target turnaround is under two weeks from first conversation.
- Tech Stack: TypeScript, Node.js, React, Tailwind, OpenAPI, Express, Azure (Container Apps, Service Bus, Front Door, Entra ID), Postgres, Terraform, GitHub Actions, Docker. Anthropic‑first AI with in‑house evals and scaffolding. Claude Code throughout.
Founding Engineer, Agent Systems in London employer: HelmGuard Technologies, Inc.
As a Founding Engineer at our King's Cross, London office, you'll join a dynamic team that prioritises innovation and collaboration in the AI space. We offer competitive compensation, a vibrant work culture with daily team lunches and a stunning roof terrace, and ample opportunities for professional growth through hands-on experience with cutting-edge technology. Our commitment to employee well-being is reflected in our flexible working arrangements and substantial resources dedicated to your success.
Contact Details:
HelmGuard Technologies, Inc. Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Founding Engineer, Agent Systems in London
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We think you need these skills to ace Founding Engineer, Agent Systems 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 HelmGuard Technologies, Inc..
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at HelmGuard Technologies, Inc. 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 HelmGuard Technologies, Inc.
✨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 HelmGuard Technologies, Inc. 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.
