Jobs for backend developer - python at London

The role This is a Senior Data Engineer position on the Data Engineering team. You'll work closely with the Data Engineering Lead to design and scale the data platform powering our payments infrastructure and ecosystem analytics. This role sits at the intersection of data engineering and backend systems. You'll build and operate event-driven data pipelines,...

At Stint, our machine learning engineers sit at the centre of how intelligence reaches the real world. You’ll work shoulder-to-shoulder with data scientists, researchers, and engineers to build models, architect data systems, and power decisions across thousands of hospitality sites. One day you might be building a demand forecasting model; the next...

Senior AI Software Engineer At-a-Glance - Senior backend role building the core of an AI operating system - Java, Go and Python across LLM integration, agent orchestration and retrieval infrastructure - AWS, Neo4j, distributed systems at real scale - Platform already live and in daily operational use with major customers - Share options and an engineering...

We are Foundational.Foundational is an early-stage, mission-driven startup solving one of the hardest engineering challenges of the decade: creating an exquisite, real-time understanding of Earth and orbit using ground-based lasers.We aren't just gathering data; we are building the platform that will enable the next generation of space traffic control,...

About WheelyWheely is redefining premium transportation across major cities in Europe, the US, and the Middle East.Are you the right candidate for this opportunity Make sure to read the full description below.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...

Software Engineer Climate Tech / SaaS · London (Zone 1) / Hybrid · £40,000–£45,000 + Equity Most engineers spend their careers building things that won't matter in ten years. This isn't one of those roles. At Cauli, we're tackling one of the UK's most stubborn environmental problems: the 10.7 billion items of packaging waste generated every year —...

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, develop, and maintain web...

Senior Software Engineer (Platform & DevOps) About the Role We are looking for a pragmatic Software Engineer to help build and scale our computational drug discovery platform. You will develop the core platform, automate infrastructure, and ensure our workflows are reproducible, reliable, and production-ready. This is a hands-on engineering role that spans...

Software Engineer - SC - Cheltenham(Hybrid) - £75,000 Are you a Software Engineer who enjoys solving complex technical challenges? Do you want to work on cutting-edge technology that supports critical national missions in a highly secure environment? We're looking for an experienced Software Engineer to join a growing engineering team delivering secure,...

About 9fin9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion.Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure with a single platform that centralises proprietary credit data, deep analysis,...

hackajob is partnering directly with BNY Mellon to hire for this role.We're seeking a future team member for the role of Java Full Stack Engineer with AI-driven development exposure to join our Conventional Trust Platform team. This role is located in London. In this role, you'll make an impact in the following ways: Define and execute the enterprise Java...

About CarbonChain Want to work on the most pressing challenge of our generation? If you have experience building exceptional products, know how to execute at scale, and want to help build a company for the long term, we'd love to hear from you. CarbonChain helps the world’s biggest supply chains measure and reduce their carbon emissions, using verified...

HomeServe Finance is hiring: Senior Software Engineer - Backend London (Hybrid) | Up to £85,000 + 15% Bonus + £7,000 Car Allowance + 6% Matched Pension At HomeServe Finance, we’re using technology and consumer finance to help homeowners improve the energy efficiency of their homes. As part of the wider HomeServe Group, we’re developing the products,...

Senior Product Engineer page is loaded## Senior Product Engineerlocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: R-017110**Main Purpose**Trafigura is undergoing an exciting Digital Transformation, developing innovative AI technologies to change the way we work in Commodities Trading. The Document AI team...

About the Role This is a founding engineering role at a seed-stage AI infrastructure company building the backbone for production AI systems — powering LLM routing, observability, and governance at scale. You'll work directly with the founders to shape both the product and the technical direction of the company, with significant autonomy and real...

Data Engineering Manager | Azure | SQL | Python | Team LeadershipHybrid Working3 Days Office / 2 Days Remote Competitive Salary + BenefitsWe're partnering with a market-leading, highly regulated organisation to recruit a newly created Data Engineering Manager position. This is a fantastic opportunity for a hands-on data engineering leader to take ownership...

Software Engineer Climate Tech / SaaS · London (Zone 1) / Hybrid · £40,000–£45,000 + Equity Most engineers spend their careers building things that won't matter in ten years. This isn't one of those roles. At Cauli, we're tackling one of the UK's most stubborn environmental problems: the 10.7 billion items of packaging waste generated every year —...

Job Title: Software Engineer Job Type: Contract Location: Remote Job Summary: We are looking for experienced software engineers to help train and evaluate next-generation AI systems through real-world software engineering tasks. This role is best suited for developers who can reason through unfamiliar codebases, explain engineering decisions clearly, and...

hackajob is partnering directly with BNY Mellon to hire for this role. We're seeking a future team member for the role ofVice President - Site Reliability Engineerto join our team. This role is located inLondon. Role Summary BNY is seeking a Vice President - Site Reliability Engineer to design, build, deploy, and scale resilient, automated, and centrally...

Senior AI Engineer (Python / TypeScript) London to £220k+ Are you a skilled backend focussed Software Engineer with finance experience and a passion for AI? You could be progressing your career at a Hedge Fund with complex work and substantial bonus earning potential. As an AI Engineer you will collaborate closely with the CTO and tech leadership team to...