Jobs for backend developer - python at London

This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give you context about the role before you commit to a process. If you're interested sign up to Dex to apply. Dex is an AI recruiter agent that...

Our MissionWe're not your average benefits platform; we're the unordinary force that uplifts people's lives. Our technology is the link that connects the entire benefits ecosystem, creating better outcomes for employers, employees, brokers, and providers.Our mission is clear: we're here to create a world where everything operates at its very best, ensuring...

About The Role We are looking for a Backend Engineer who builds with AI at the centre of their craft — not as a novelty, but as a primary tool that shapes how they design, write, review, and ship code. If you've already integrated Claude Code, agentic coding tools, and MCP servers deeply into your day-to-day, and you have opinions about how to do it...

5 Days Onsite London. We are looking for an experienced Full Stack Developer with strong expertise in Python and React.js to design, develop, and maintain scalable web applications. The ideal candidate should have hands-on experience building microservices, REST APIs, cloud-native applications, and modern frontend solutions. Key Responsibilities Design,...

CrossTech develops AI-powered infrastructure inspection and safety products for railways, highways and industrial assets. Our Intelligent Vision® platform turns video, imagery and LiDAR into actionable insight, helping operators detect risk earlier, prioritise maintenance and run safer, more efficient networks. Our backend platform ingests large volumes of...

Job Description Staff Product Engineer | London Hybrid / Remote | AI x FinTech | Python, AI Workflows, Distributed Systems | £120k–£200k + Equity A VC-backed AI company is rebuilding how accounting work gets done, using agentic workflows and AI automation to eliminate the high-volume operational work that has resisted meaningful automation for decades....

About ExTracExTrac is a decision intelligence company used by governments, defence organisations, financial institutions, and corporates operating in complex, fast-moving environments. Our capabilities fuse curated data sources, domain-specific AI, and deep human expertise to transform information overload into clear, actionable foresight.Our ambition is to...

Company Description Genomics England is a global leader in enabling genomic medicine and research, focused on creating a world where everyone benefits from genomic healthcare. Building on the 100,000 Genomes Project, we support the NHS’s world-first national whole genome sequencing service and run the growing National Genomic Research Library, alongside...

Who we are Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership, so that open societies can continue to make sovereign decisions and control their ethical standards.  As democracies, we believe we have a special responsibility to be thoughtful about the development and deployment of powerful...

Why Socure?Socure is building the identity trust infrastructure for the digital economy — verifying 100% of good identities in real time and stopping fraud before it starts. The mission is big, the problems are complex, and the impact is felt by businesses, governments, and millions of people every day.We hire people who want that level of responsibility....

We're putting together a talented team to build the #1 training platform for RunnersWe help everyday runners become outstanding by building an incredible app providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon.We’re growing extremely fast! In November 2023 we closed...

About Wheely Wheely is redefining premium transportation across major cities in Europe, the US, and the Middle East. We blend cutting-edge technology with the craft of five-star chauffeuring to deliver an experience trusted by more than 100,000 active riders and 1,200 corporate accounts. We’re a profitable, fast-growing scale-up with $43M raised and over...

About usEncord is the universal data layer for AI that helps 300+ AI teams train and run models on the right data. Our platform indexes, curates, annotates, and evaluates data across the full AI lifecycle, from development through production. Trusted by Woven by Toyota, AXA, UiPath, Zipline, and more.We're an ambitious team of 100+ working at the frontier of...

Suade is a market-leading regtech SaaS company with cutting-edge technology that automates regulatory reporting, compliance and financial risk solutions for financial institutions. Our technology outperforms the competition on every metric, and we are supported by unprecedented need for new technology to solve complex and growing regulatory burdens. We serve...

At Permutable, we build real-time AI systems that transform large volumes of global news, market and proprietary data into market intelligence for financial institutions. We are moving towards a more real-time, event-driven and agent-driven architecture. We are looking for a Senior Software Engineer to help design and build the backend services, distributed...

About Wheely Wheely is redefining premium transportation across major cities in Europe, the US, and the Middle East. We blend cutting-edge technology with the craft of five-star chauffeuring to deliver an experience trusted by more than 100,000 active riders and 1,200 corporate accounts. We’re a profitable, fast-growing scale-up with $43M raised and over...

At Permutable, we build real-time AI systems that transform large volumes of global news, market and proprietary data into market intelligence for financial institutions. We are moving towards a more real-time, event-driven and agent-driven architecture. We are looking for a Senior Software Engineer to help design and build the backend services, distributed...

Python Django Full Stack Web Developer Fintech100,000Quant Capital is urgently looking for a full stack web Python and Django Web Developer to join our high profile client. Our client is a major global financial exchange, driven by technology. They are at the bleeding edge of not only product ideas but also technology and data manipulation. They use unique...

Our client is a financial planning partner and investment management business that gives access to the knowledge needed to plan for the future. Until now, there’s been nowhere for people to go for help to structure their personal finances, so their goal is to help its clients create and personalise their financial planning and takes ongoing...

Lead Python Engineer / Developer (API LLM Python) to £115k Do you have advanced Python skills combined with tech start-up experience? You could be joining a fast growing AI start-up as one of its founding engineers, helping to build technology that is transforming compliance and operational efficiency across the NHS and wider regulated industries. With...