Senior Backend Engineer

Posted 10 Days Ago
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London, Greater London, England, GBR
In-Office
Senior level
Angel or VC Firm • Legal Tech
The Role
Build and maintain high-performance backend APIs and production software. Contribute to architecture decisions, mentor junior developers, conduct quality code reviews, and apply test-driven development and secure coding practices. Collaborate within Scrum teams on social investment, document and workflow management, AI-enhanced products, and legal template generation. Own features throughout the development lifecycle while monitoring web applications and agentic microservices.
Summary Generated by Built In

SeedLegals is the leading provider of automated legal solutions for startups, with offices in London, New York and Paris. Since launching in 2016, we’ve supported over 75,000 startups who have collectively raised more than £2bn on our platform.

We’re a Series A company backed by Index Ventures, on a mission to make entrepreneurship more accessible and scalable.

Our values are key to our success; here at SeedLegals, we:

  • Invest and trust in each other; 
  • Are committed to a growth mindset; 
  • Embrace diversity and cultivate inclusion; 
  • And are driven by customer success.

About the Role

We're seeking talented senior backend developers to join our team. You'll play a pivotal role in mentoring more junior developers, decision making on architecture, and contributing to our code base. Working in a scrum team alongside 6-8 engineers, a UX designer, and a Product Manager, you'll have autonomy to drive innovation in areas like social investment features, document and workflow management, products enhanced with AI, and legal template generation. Teams are managed from within and report directly to the Director of Engineering, so you'll be working alongside with your manager to solve technical problems.

This is a unique opportunity to gain extensive knowledge of the startup world, VC fundraising, investor tax schemes, and more. As you work on complex projects, you'll also gain invaluable domain knowledge that will prepare you for entrepreneurship yourself.

About the Team

We're an international team of around 20+ developers from 12 countries based in the UK and France, with a hybrid working model that allows for flexibility and collaboration. While each team meets fortnightly at our offices near Old Street to whiteboard, plan, and socialise, you'll also have the freedom to work remotely.


Requirements

We'd love to hear from you if...

  • You love solving challenging problems
  • You love building high-performance APIs
  • You love working with AI agentically
  • Have experience working with, and enjoy working with JVM languages (Kotlin), and Spring
  • You know how to provide a great PR review
  • You have experience with software engineering best practices, like test-driven development, and have a deep appreciation for what good code looks like
  • You own and take pride in contributing to all stages of development

And if you can hit one or two of these as well, even better...

  • You have some personal projects on the go (maybe you write a blog, help with friends' websites, contribute to open source projects etc.)
  • You've worked with LLMs such as Claude, and written your own plugins/skills/agents
  • Through your work, you have started looking more into secure coding practices, and write secure code from first principles
  • You have a deep understanding of how to monitor web applications, including agentic micro-services
  • You understand what a product engineer is, and lean into it
  • You believe in the agile manifesto

Benefits

Why join SeedLegals:

You’ll join a friendly, motivated and multicultural team of founders, investors, developers and growth hackers. We’re based near Old Street, in the heart of London.

  • Share options: the option to buy shares in SeedLegals via our performance-based share option scheme
  • Contributory pension, private healthcare, critical illness cover + life insurance
  • 25 days annual leave + bank holidays + your birthday off
  • Buy and Sell Annual Leave Scheme 
  • Flexible working - hybrid/remote model with London office access
  • Weekly allowance for a free lunch in the office
  • £250 working-from-home allowance to set up your home office
  • Annual learning budget for training courses, conferences and books
  • 3 paid work days per year for volunteering
  • Access to Happl - with monthly flexible spend on wellbeing 
  • Cycle-to-work scheme
  • Free lunch in the office once per week

Our Interview Process:

  1. 30min initial call (video call)
  2. Up to two 1hr technical interviews. Here, we'll ask you to work through designing a solution to a real world technical challenge we've faced, as well as some questions about your experience with backend code in production environments.
  3. 30min interview with Anthony Rose, our CEO

Skills Required

  • Experience working with JVM languages, particularly Kotlin
  • Experience working with Spring
  • Ability to build high-performance APIs
  • Experience with software engineering best practices, including test-driven development
  • Strong code quality and pull request review skills
  • Ownership across all stages of software development
  • Interest in solving challenging problems
  • Experience with LLMs such as Claude and creating plugins, skills, or agents
  • Knowledge of secure coding practices
  • Understanding of monitoring web applications and agentic microservices
  • Understanding of product engineering
  • Belief in the agile manifesto
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The Company
HQ: London
150 Employees
Year Founded: 2016

What We Do

Our goal is to be the operating system of your company. Our platform automates tasks to transform the way businesses raise investment, hire and retain talent, and grow faster. We guide, educate and empower startups and small businesses to automate the legals they need, dramatically cutting down the time and expense companies used to spend with traditional lawyers and accountants. Our innovative agile funding services help founders raise money, from one-off investments to a full funding round and top-ups in between. We also work with investors to accelerate the fundraising process. 🚀 35,000+ startups, SMEs and investors use SeedLegals £1billion+ raised with SeedLegals UK's #1 for funding rounds UK's #1 for cap table management UK's #1 for EMI Option Schemes 100+ employees Offices in Holborn, London and Station F, Paris We operate in the UK, Ireland, France, Singapore and Hong Kong We’ve been named Industry Game Changer (Growth Investor, 2019), Rising Star (Tech Nation, 2019), listed in the Top 100 Disruptive Brands (Marketing Week, 2017) and awarded Best Legal Team for Early Stage Deals (UKBAA, 2019). We’re hiring! Hit ‘Jobs’ or go to linkedin.com/company/seedlegals/jobs/. We’re a top tech employer - Hired named us #2 UK small business in their 2021 list of Top Employers Winning Tech Talent.

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