Founding Engineer (Full Stack)
Founding Engineer (Full Stack)

Founding Engineer (Full Stack)

England Full-Time 70000 - 100000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Join us as a Founding Engineer, building and improving our AI platform for legal tech.
  • Company: Crimson is revolutionising high-stakes litigation with cutting-edge AI solutions for law firms.
  • Benefits: Enjoy hybrid work, competitive salary, equity, and the chance to shape our engineering culture.
  • Why this job: Be part of a transformative journey in the legal industry, working on impactful projects.
  • Qualifications: We're looking for driven, self-directed engineers with a passion for building exceptional products.
  • Other info: Email us your projects; we respond within 24 hours!

The predicted salary is between 70000 - 100000 £ per year.

Crimson is the AI platform for high-stakes litigation. We\’re working with top law firms in the UK and US to streamline how complex disputes are run. Our platform drafts pleadings and submissions, analyzes judgments and orders, summarizes transcripts and locates key evidence in seconds.

We\’re a team of three co-founders with deep technical and domain expertise. Our users are lawyers who trust us with their most sensitive case files. They care about security, accuracy, reliability and speed, and so do we.

We\’re looking for an exceptional full-stack engineer to join us as one of our first employees. You\’ll ship production code from day one and own major features end-to-end. That means talking to users, scoping the problem, building the solution and improving it over time.

What you\’ll do

  • Contribute to the entire stack, from cloud infrastructure to prompting to UX (Python backend, Next.js with TypeScript frontend, PostgreSQL, SOTA LLMs. Deployed to Azure via IaC (Bicep) with CI/CD pipelines powered by GitHub Actions)
  • Collaborate closely with users to understand how lawyers work and what they need
  • Architect and scale document ingestion and processing pipelines to power fast, accurate search and data extraction for large volumes of legal documents
  • Develop intelligent, multi-step agent workflows that can autonomously handle complex legal tasks – from surfacing key testimony across depositions to generating fact chronologies and auto-detecting inconsistencies in opposing counsel’s filings
  • Design and bring to life intuitive AI-native user experiences tailored to litigation workflows
  • Improve system performance, stability and observability as we scale
  • Help shape our engineering culture and team – from best practices to hiring and mentorship

This is for you if …

  • You’re driven, self-directed and exceptionally capable
  • You’re obsessed with building outstanding products for demanding users
  • You’re excited to work on hard problems, take ownership and push things through
  • You have high agency and a bias for shipping
  • You have excellent product judgement, communication skills and attention to detail
  • Bonus points if you have an interest in legal tech

Why join us

  • Over the next few years, the legal industry will change beyond recognition. You’ll be at the heart of that change, helping us build a category-defining company
  • We’re backed by YC and other top investors
  • We’re working with major UK and US law firms
  • You’ll get ownership, equity and the opportunity to shape the business and lead engineering teams

Details

  • Location: London/hybrid
  • Salary: £70-100k
  • Meaningful equity
  • Contact: tell us about things you’ve built by emailing founders (at) crimson (dot) law. We’ll get back to you within 24h.

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Founding Engineer (Full Stack) employer: Crimson

Crimson is an exceptional employer that offers a unique opportunity to be at the forefront of innovation in the legal tech industry. With a collaborative and dynamic work culture, employees are empowered to take ownership of their projects and contribute directly to the development of cutting-edge solutions for top law firms. Located in London, we provide meaningful equity and growth opportunities, ensuring that our team members not only thrive professionally but also play a pivotal role in shaping the future of litigation.
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Contact Detail:

Crimson Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Founding Engineer (Full Stack)

✨Tip Number 1

Familiarise yourself with the legal tech landscape. Understanding the specific challenges lawyers face and how technology can address these will help you engage meaningfully during interviews.

✨Tip Number 2

Showcase your full-stack development skills by building a small project that mimics some functionalities of legal tech applications. This hands-on experience will demonstrate your capability to potential employers.

✨Tip Number 3

Network with professionals in the legal tech industry. Attend relevant meetups or webinars to connect with others who can provide insights and potentially refer you to opportunities at Crimson.

✨Tip Number 4

Prepare to discuss your approach to problem-solving and product development. Be ready to share examples of how you've taken ownership of projects and delivered results, as this aligns with what Crimson is looking for.

We think you need these skills to ace Founding Engineer (Full Stack)

Full Stack Development
Python Programming
Next.js with TypeScript
PostgreSQL Database Management
Cloud Infrastructure (Azure)
Infrastructure as Code (Bicep)
CI/CD Pipelines (GitHub Actions)
User Experience (UX) Design
Data Processing and Ingestion Pipelines
AI and Machine Learning Integration
Problem-Solving Skills
Collaboration and Communication Skills
Attention to Detail
Agile Methodologies
Product Ownership

Some tips for your application 🫡

Understand the Role: Before applying, make sure you fully understand the responsibilities and requirements of the Founding Engineer position at Crimson. Familiarise yourself with their tech stack, including Python, Next.js, PostgreSQL, and Azure.

Tailor Your CV: Highlight your full-stack development experience and any relevant projects you've worked on. Emphasise your ability to ship production code and your experience with cloud infrastructure and CI/CD pipelines.

Craft a Compelling Cover Letter: In your cover letter, express your passion for building products that serve demanding users. Mention any specific interest in legal tech and how your skills align with the company's mission to innovate in the legal industry.

Showcase Your Projects: When contacting the founders, provide examples of things you've built that demonstrate your technical capabilities and problem-solving skills. This could include links to GitHub repositories or descriptions of past projects that relate to the role.

How to prepare for a job interview at Crimson

✨Understand the Legal Tech Landscape

Familiarise yourself with the legal tech industry, especially how AI is transforming litigation. Be prepared to discuss current trends and how your skills can contribute to improving legal processes.

✨Showcase Your Full-Stack Skills

Be ready to demonstrate your expertise in both backend and frontend technologies mentioned in the job description, such as Python, Next.js, and PostgreSQL. Prepare examples of past projects where you’ve successfully integrated these technologies.

✨Emphasise User-Centric Development

Since the role involves collaborating closely with users, highlight your experience in gathering user feedback and translating it into actionable development tasks. Discuss how you’ve previously improved products based on user needs.

✨Prepare for Problem-Solving Scenarios

Expect to tackle hypothetical scenarios related to document processing and legal workflows during the interview. Practice articulating your thought process and approach to solving complex problems, showcasing your analytical skills.

Founding Engineer (Full Stack)
Crimson
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  • Founding Engineer (Full Stack)

    England
    Full-Time
    70000 - 100000 £ / year (est.)

    Application deadline: 2027-09-02

  • C

    Crimson

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