Backend Engineer Python - 16,947+ job offers

Oxford Dynamics

Oxford Dynamics is at an inflection point.We operate in some of the most complex and high-stakes environments in the world - defence, national security, AI and robotics. The decisions we make now will define not just how fast we grow, but who we become. You will work closely with the entire team. Yo

Allegis Global Solutions

£8,400 - £9,000 /year

Location: London, UK Industry: Investment Banking Work pattern: Hybrid (2/3 days onsite) We’re looking for an experienced Backend Developer to join a leading investment bank and help drive innovation that empowers people and businesses across Asia, Africa, and the Middle East. This role is part of t

Perplexity

Perplexity is looking for an Infrastructure Engineer to join our small team revolutionizing the way people search and interact with the internet. Your passion and diligence will be critical to ensure a high quality product. This role blends infrastructure expertise with software engineering -- you'l

Hamilton Barnes Associates Limited

Responsibilities Rebuild and refactor Legacy automation scripts into Python-based microservices Contribute to the design and implementation of a new automation framework Analyse existing functionality and determine what should be retained, refactored, or removed Integrate services with infrastructur

Oliver Bernard

£50,000 - £85,000 /year

Software Engineer – AI Startup – Up to 85k Location : London, flexible working arrangements, ideally 1/2 days in office Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. If you're

CGI

Position DescriptionSecure Innovation is part of CGI's Space, Defence and Intelligence business unit, focused primarily on the delivery of contemporary and innovative technical solutions for the government agencies' most challenging problems. Our teams work alongside our clients to help them underst

DeepRec.ai

Lead AI Python Engineer We’re working with an early-stage AI product company in London building software that automates real-world operational workflows using Python and applied AI. This is a hands-on engineering role focused on designing and building backend systems, APIs, and data-driven workflows

Grid Dynamics

We are seeking experienced engineers to join our client projects. You will be responsible for engineering global scale software systems in banking, hedge funds and other financial institutions. We're looking for engineers that can build using modern cloud‐native principles, employ leading and open‐s

Gravitas Recruitment Group (Global) Ltd

AI Engineer (Remote, UK-based) All potential applicants are encouraged to scroll through and read the complete job description before applying. About the Company We’re an AI-driven technology company building solutions that help organisations resolve complex issues—before they become costly or high-

Smartodds Limited

Smartodds Limited is looking for a Python Engineer based in North London. The role involves developing data pipelines and back-end solutions to support high-quality sports data analysis. You'll collaborate closely with a supportive team to optimize processes and deliver production-grade software. Es

Burns Sheehan

Burns Sheehan is seeking a Senior Software Engineer to join a rapidly scaling iGaming platform as a technical anchor for the backend team. This remote-first position requires strong backend engineering experience, particularly in Python, along with a proven ability in building production-grade APIs.

Hunter Bond

A leading FinTech firm in London is seeking a Senior Python Developer to work on high-performance solutions involving multi-petabyte data in a hybrid environment. The role requires extensive experience in distributed systems and the opportunity to work with an uncapped tech budget and a collaborativ

Oliver Bernard

£50,000 - £85,000 /year

Software Engineer – AI Startup – Up to 85k Salary: £50,000 - £85,000 + meaningful equity ️ Location : London, flexible working arrangements, ideally 1/2 days in office Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite

SR2 | Socially Responsible Recruitment | Certified B CorporationTM

SR2 | Socially Responsible Recruitment | Certified B CorporationTM is seeking a Senior Backend Engineer in London to design and build robust backend systems using Python. You will work with a high-calibre startup developing an agentic AI product, focusing on infrastructure and tooling. Responsibilit

Spectrum IT Recruitment

Senior Software Engineer - Python - Agentic AI ~ Fully Remote (UK / Europe) A small and talented team of engineers, data scientists, and AI specialists are quietly building something exciting. Well-backed and operating in the AI delivery space, they partner with PE backed businesses to solve complex

NaSPA, Inc. is seeking a Senior Lead Software Engineer in Greater London to enhance and deliver top-tier technology products within the Equity Derivatives Technology team. This role demands over 10 years of software engineering experience and mastery in Java. You will provide guidance, develop high-

SPECTRUM IT

Senior Software Engineer - Python - Agentic AI Fully Remote (UK) A small and talented team of engineers, data scientists, and AI specialists are quietly building something exciting. Well-backed and operating in the AI delivery space, they partner with PE backed businesses to solve complex technical

With offices London and New York, this award-winning, fast growing fintech company is revolutionising (that’s a big word, but they are)! the Hedge Fund industry. They solve complicated problems in this highly complex domain, using modern product development practices executed by some of the best eng

Spectrum IT Recruitment

Senior Software Engineer - Python - Agentic AI Fully Remote (UK / Europe) A small and talented team of engineers, data scientists, and AI specialists are quietly building something exciting. Well-backed and operating in the AI delivery space, they partner with PE backed businesses to solve complex t

Spectrum IT Recruitment

Senior Software Engineer - Python - Agentic AI Fully Remote (UK / Europe) A small and talented team of engineers, data scientists, and AI specialists are quietly building something exciting. Well-backed and operating in the AI delivery space, they partner with PE backed businesses to solve complex t