Software Engineer (backend)

Software Engineer (backend)

📍Location: London

💰Salary: £125k –£145k + annual performance bonus

❌No visa sponsorship offered

Capital markets move trillions. The legal documents underpinning those transactions are dense, nuanced, and mission-critical, and right now, most of that complexity is still handled by hand. This company is changing that

.Built on years of machine learning PhD expertise, backed by a top-tier venture firm, and now operating at global scale following a high-profile acquisition, this team is tackling some of the hardest NLP problems in finance and law. Their customers include many of the world's leading law firms and the demand for what they're building is accelerating fast

.
As a Software Engineer, you won't be maintaining someone else's roadmap. You'll be architecting the critical backbone between a cutting-edge AI data platform and the professionals who depend on it daily. Your decisions will ship. Your influence will stic

k.
If you want to do the most meaningful work of your career, in a team that moves fast, thinks deeply, and gives a damn about craft - read

on.
The

• RoleDesign and build scalable backend services and APIs that power a document analysis platform used by major legal and financial institut
• ionsWrite high-performance, maintainable server-side code and data processing pipel
• inesDefine clear, efficient API contracts and contribute meaningfully to service architecture decis
• ionsDesign compositional API primitives that accelerate the productionisation of a growing library of document insi
• ghtsBuild and maintain integrations with third-party services and internal ML sys
• temsContribute to frontend features and components as needed to deliver end-to-end functiona
• lityDrive performance optimisation for data-intensive backend operat
• ionsChampion engineering excellence — contribute to code practices, design patterns, and long-term maintainabi
• lityImprove developer experience by automating and improving CI/CD and day-to-day production operat

ions
Skills N

eededRequ

• ir ed:6+ years of professi onal full-stack develo pment experience with a strong backend
• focusProficiency in backend technologi es - Python (FastAPI, Django, or F lask) is preferred; Node.js, Java, or Go also consi
• deredStrong understandin g of RESTful APIs, database design, and data modelling (SQL and N
• oSQL)Experience with containerisation and orchestration (Docker, Kubernetes) and cloud platforms (AWS prefe
• rred)Proficiency in TypeScript and React for frontend contribu
• tionsFoundation in distributed systems, event-driven architectures, and web fundame
• ntalsStrong communication skills and a self-starting, action-biased approach to problem-so
• lvingBachelor's degree in Computer Science or related field, or equivalent practical exper

ience
Pref

• erred:Experience with microservices archit ecture and message
• queuesExperience bui lding data processing pip elines or working with large-scale data s
• ystemsFamiliarity with CI/CD best practices and single-tenant archite
• cturesExperience optimising backend performance for data-intensive applic
• ationsMentorship experience and a track record of ownership in previous
• rolesInterest in language, economics, or legal/financial d

omains
B

• enefits15 - 20% annual performanc
• e bonusPrivate medical, dental, and vision in
• surancePension and retirement planning
• supportHealth and wellbeing reimbursement (including fitness and mindf
• ulness)Flexible paid t

ime off

Research indicates that men will apply to a role when they only meet 50-60% of the descriptions, however, when looking at women and other minority groups, they can look for up to a 99% match in order to apply to a role. If you feel you are a fit for our role, please still apply, don’t worry if you don’t tick every single box. We’d still love to hear from you. We encourage underrepresented talent to apply to all our roles & support accessibil