317 Backend jobs in London, United Kingdom.

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transitionzero

Lead Engineer (Back-End)

  • Hybrid
  • Contract
About the Role We are looking for an experienced Lead Engineer (back-end) to lead the team building and scaling the infrastructure behind Scenario Builder, our electricity grid modelling platform.

London, United Kingdom

DISCO

Senior Full Stack Engineer

  • Hybrid
What is DISCO? DISCO is the industry standard for managing, organising and sharing music and other media. We make music and media workflow fast, intuitive and simple, directly connecting people and their work to save time.

London, United Kingdom

Robert Half

Design Developer ( Python / C# / JavaScript) Top Company

  • Remote
Design Technology Developer | Python / C# / JavaScript | Central London A household-name global leader , headquartered in London with 400+ people worldwide , is expanding its Digital Design team and looking for a talented Developer to build the tools shaping the future of Architecture & Interior Design.

London, United Kingdom

Applied Computing

Full Stack Engineer, Forward Deployed

  • Hybrid
  • On-site

$32 USD

Applied Computing was founded in 2023 to build Orbital, a physics-informed foundation model for energy operations. We’re live across oil and gas, refineries, and petrochemicals, working towards our mission: sustainable abundance for a growing planet. The hydrocarbon industry keeps the world running.

London, United Kingdom

Software Engineering· Full-time

Backend Developer

Company Description A revolutionary investment platform for activists - A clean, socially responsible future is still within reach – but only if we act soon.

London, United Kingdom

Quant Capital

Data Scientist Fintech 50

Data Scientist Fintech 50 Quant Capital is urgently looking for a Data Scientist to join our well-known Fintech50 client who produces software disrupting the wealth management market.

London, United Kingdom

Mercor

Backend Software Engineer - Python

  • Remote
  • Contract

$40 - $50 per hour

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

London, United Kingdom

Weekday AI

Senior Software Engineer

  • Full-time
This role is for one of the Weekday's clients Min Experience: 6 years Location: London JobType: full-time We are seeking a highly skilled and experienced Senior Software Engineer with deep expertise in Python to join our growing engineering team.

London, United Kingdom

Quant Capital

Python Data Engineer - Systematic trading

  • Remote
  • Contract
Python Data Engineer – Systematic trading 6-12 month contract – REMOTE – specialist rate Quant Capital is urgently looking for a Python Data Engineer to join our high profile global hedgefund client. You will be joining the small London team who are creating systematic fixed income trading strategies in Python.

London, United Kingdom

Circuit Mind

Lead Software Engineer (Python)

£80k - £120k per annum

Salary: £80,000 - 120,000 per year Requirements: - 5+ years of professional software development experience. - 2+ years of professional experience in Python. - 2+ years in a senior software engineer position. - Strong communication and team-work skills. - Experience working in an agile software development environment.

London, United Kingdom

INFUSED SOLUTIONS LTD

Senior AI Engineer - London

  • Hybrid

£65k - £75k per annum

Salary: £65,000 - 75,000 per year Requirements: - Degree in Computer Science, Software Engineering, Artificial Intelligence or a related discipline. - 5+ years of commercial experience in Backend Engineering, Data Engineering or Machine Learning Engineering. - Expert-level Python development skills.

London, United Kingdom

Hunter Bond

Software Developer

  • Hybrid

£100k per annum

Role: Software Developer Client: Start up / Scale Up Compensation: £100,000 P/A + Comps Location: London (Hybrid / Flexible working) Overview Are you a Python expert ready to build cutting-edge systems powering real-world AI innovation?

London, United Kingdom

Randstad

fullstack developer.

  • Hybrid
  • Full-time
  • Contract
Job Title: Fullstack Software Engineer (Rust / Ruby / Python) Location: London, UK (Hybrid) Job Type: Full-time What We're Looking For - Experience: 4+ years of professional software development experience in a fullstack or backend-heavy role.

London, United Kingdom

Latyn

Full Stack Engineer (Python, React) · London · On-site

  • On-site
  • Full-time

$75 USD

Full Stack Engineer Location: London, UK (On-site) Employment Type: Full-time Compensation: Competitive salary + Equity About the Opportunity We're partnering with a fast-growing AI company that's redefining how investment professionals conduct research.

London, United Kingdom

Hunter Bond

Senior Technologist IT Development

  • Hybrid
  • On-site

£240k per annum

Senior Technologist IT Development Lead Role Role: Senior Technologist IT Development Lead Client: Leading Hedge Fund Compensation: Up to £240,000 + Bonus + Package Location: London (Hybrid 3–5 days on-site) Overview My leading Hedge Fund client is looking for a talented, motivated, and hands-on technology leader to

London, United Kingdom

Quant Capital

Python Engineer Trading

  • Hybrid

£150k per annum

Python Engineer Trading £150,000 Plus Bonus 3 days Hybrid Our client is one of the largest Quant Investment managers globally, with around £20 billion under management. They are mainly quant based but have High frequency and systematic exposure.

London, United Kingdom

SevenRooms, a DoorDash company - United Kingdom

Software Engineer, Backend

  • Remote
  • Hybrid
  • On-site
About the Team SevenRooms is a hospitality technology platform that powers restaurant operations and marketing, and was recently acquired by DoorDash!

London, United Kingdom

Hunter Bond

Python Software Engineer

  • Hybrid

£120k per annum

Job title: Software Engineer Client: Not specified Salary: £120,000 per annum + Benefits Location: London (Hybrid / Flexible Working) The Role We’re supporting a rapidly growing, innovation-led tech company in London that’s building advanced AI-driven solutions with real-world impact.

London, United Kingdom

Robert Half

FULL STACK Engineer (Next.js / React)- TOP SaaS!

  • Hybrid

£65k - £85k per annum

js / React)- TOP SaaS Company! High-Growth SaaS | Build Elegant, User-First Products Polite Note: no visa sponsorships or transfers on offer as this company does NOT have a license. In partnership with Robert Half Limited.

London, United Kingdom

Quant Capital

Python Full Stack Developer - React

£70k per annum

Python Full Stack Developer – React £70,000 Get React Experience. Quant Capital is urgently looking for a Python Full Stack Developer to work for our high profile client.

London, United Kingdom