At a Glance
- Tasks: Develop cutting-edge software for military production and procurement using modern tech.
- Company: Innovative defense tech startup backed by top-tier investors.
- Benefits: Competitive salary, equity options, and the chance to work remotely.
- Other info: Enjoy extreme autonomy and rapid delivery in a dynamic environment.
- Why this job: Join a mission to modernise defence with AI and make a real impact.
- Qualifications: 5-8 years of full-stack experience, expert in TypeScript and React.
The predicted salary is between 80000 - 130000 £ per year.
Company Description: Notion Capital-backed defense tech startup building an AI-native OS for military production.
Job Description: You will join a high‑calibre team building AlliedOS, the connective platform linking frontlines to factories. As a full‑stack owner, you will develop a homegrown manufacturing execution system and a defense procurement marketplace. You will ship fast, iterate with real‑world military users, and directly shape the product direction of this critical infrastructure.
Location: London, UK or Remote.
Why this role is remarkable:
- Work on a global mission to strengthen Western democracies by modernizing the defense industrial base with AI‑native technology.
- Join a peer‑based, non‑hierarchical culture founded by a former Royal Marines officer and backed by top‑tier investors like 1991 VC and Notion Capital.
- Extreme autonomy and impact as an early hire, with a meaningful equity stake and the ability to prove solutions in weeks rather than years.
What You Will Do:
- Build and maintain end‑to‑end features across web and mobile using a modern stack including React, TypeScript, and TanStack Start.
- Develop AI‑powered features utilizing OpenAI, AI SDK, and Mastra to automate complex defense procurement and production workflows.
- Collaborate directly with commercial and product teams to translate frontline requirements into a high‑performance operating system for government contracts.
The ideal candidate:
- 5–8 years of full‑stack engineering experience with a track record of shipping high‑quality products in fast‑paced, high‑stakes environments.
- Expert‑level proficiency in TypeScript and React, with a strong instinct for performance, security, and exceptional user experience.
- Demonstrated ability to self‑organize and leverage modern AI development tools like Cursor or Copilot to accelerate delivery and solve complex problems.
Product Engineer (£80k-£130k + Equity) at Allied in London employer: Jack & Jill
Allied is an exceptional employer for those looking to make a significant impact in the defense tech sector. With a peer-based, non-hierarchical culture and the opportunity to work on AI-native technology that strengthens Western democracies, employees enjoy extreme autonomy and the chance to shape critical infrastructure. The London-based startup offers competitive salaries, equity stakes, and rapid growth opportunities, making it an attractive choice for talented engineers seeking meaningful and rewarding employment.
StudySmarter Expert Advice🤫
We think this is how you could land Product Engineer (£80k-£130k + Equity) at Allied 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 Product Engineer (£80k-£130k + Equity) at Allied 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.
