Full Stack Engineer

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We are looking for top tier engineer to help us build both the front-end and back-end of our products at speed. You’ll be joining the most lean, talent-dense engineering team in London.

What You’ll Own

  • Scale the Foundations: Architect and build the core, scalable backend foundations from the ground up to support a massive global market.
  • Human-Centric UI: Collaborate on the planning and iteration of our React-based front-end to ensure our complex AI systems are intuitive and widely adopted.
  • Product Roadmap: Partner with the founders to extract insights from customer feedback and translate them into technical reality.
  • Team Building: Help us set the engineering culture and play a key role in assembling a world-class technical team.

We are the fastest-growing startup transforming how legal professionals work.

  • Traction: 20-30% MoM revenue growth; selling to 100+ IP teams (from DLA Piper to elite tech boutiques).
  • Backing: Recently featured in Sifted following our $40M Series B announcement, bringing our total funding to $55M from elite investors including Y Combinator, 20VC, Visionaries and others.

We are a high-performance team of “doers.” To thrive here:

  • You value speed: You’re itching to put code in front of customers in days, not months.
  • You are a “grinder”: You have a relentless work ethic and are committed to going the extra mile to achieve excellence.
  • You take ownership: You strive for excellence in every line of code and over-deliver on goals.
  • You are an optimist: You thrive in a positive, high-stakes environment and are eager to learn whatever it takes to help the team succeed.

Must-Haves

  • Expert Python Skills: Deep experience building robust, production-ready backend systems.
  • Database Mastery: Strong experience with PostgreSQL.
  • Full-Stack Capability: Comfortable navigating both the back-end and modern front-end frameworks.
  • Clear Communication: Ability to articulate complex technical trade-offs.

Preferred & Nice-to-Haves

  • Frontend: Experience with TypeScript and React.
  • Scaling: A track record of building and scaling commercial-grade software.
  • The Extras: Experience with WYSIWYG editor APIs (TinyMCE/CKEditor), AWS DevOps, IT Security, or AI integration.

#J-18808-Ljbffr”, “datePosted”: “2026-05-17”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Arrows”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__434436440__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: Arrows
Apply for the Full Stack Engineer
Location: London
Job Description:

We are looking for top tier engineer to help us build both the front-end and back-end of our products at speed. You’ll be joining the most lean, talent-dense engineering team in London.

What You’ll Own

  • Scale the Foundations: Architect and build the core, scalable backend foundations from the ground up to support a massive global market.
  • Human-Centric UI: Collaborate on the planning and iteration of our React-based front-end to ensure our complex AI systems are intuitive and widely adopted.
  • Product Roadmap: Partner with the founders to extract insights from customer feedback and translate them into technical reality.
  • Team Building: Help us set the engineering culture and play a key role in assembling a world-class technical team.

We are the fastest-growing startup transforming how legal professionals work.

  • Traction: 20-30% MoM revenue growth; selling to 100+ IP teams (from DLA Piper to elite tech boutiques).
  • Backing: Recently featured in Sifted following our $40M Series B announcement, bringing our total funding to $55M from elite investors including Y Combinator, 20VC, Visionaries and others.

We are a high-performance team of “doers.” To thrive here:

  • You value speed: You’re itching to put code in front of customers in days, not months.
  • You are a “grinder”: You have a relentless work ethic and are committed to going the extra mile to achieve excellence.
  • You take ownership: You strive for excellence in every line of code and over-deliver on goals.
  • You are an optimist: You thrive in a positive, high-stakes environment and are eager to learn whatever it takes to help the team succeed.

Must-Haves

  • Expert Python Skills: Deep experience building robust, production-ready backend systems.
  • Database Mastery: Strong experience with PostgreSQL.
  • Full-Stack Capability: Comfortable navigating both the back-end and modern front-end frameworks.
  • Clear Communication: Ability to articulate complex technical trade-offs.

Preferred & Nice-to-Haves

  • Frontend: Experience with TypeScript and React.
  • Scaling: A track record of building and scaling commercial-grade software.
  • The Extras: Experience with WYSIWYG editor APIs (TinyMCE/CKEditor), AWS DevOps, IT Security, or AI integration.

#J-18808-Ljbffr…

Posted: May 17th, 2026