Jobs for backend developer - python at London

Join the Growth Story at Envitia   Envitia operates at the heart of the UK’s most sensitive and high-profile operations. Our approach is entirely mission-focused, enabling customers to see more, decide faster, and act with confidence across complex domains.   We deliver situational awareness and information advantage across C5ISR, fusing cyber,...

DescriptionFuse Energy is an energy startup on a mission to make energy abundant and affordable, fast. We combine first-principles thinking with cutting-edge technology to build a radically better energy system.We've raised over $200M from top-tier investors including Balderton, Lakestar, Accel, Creandum, Lowercarbon, Ribbit, 20VC, Hummingbird and...

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,...

About us:Causaly is redefining how humans acquire knowledge and develop insights in biomedicine. Our AI-powered platform enables researchers and decision-makers to discover and interpret evidence from millions of scientific publications, clinical trials, regulatory documents, and other complex data sources in minutes.We are building the world’s most...

Technical Manager - Hardware & Cloud (HaaS) Excellent opportunity for a Technical Manager - Hardware & Cloud (HaaS) to join an innovative technology business on a hybrid basis, with time spent at their Oxford site, owning the delivery pipeline for a Hardware-as-a-Service (HaaS) platform. This role sits at the intersection of hardware and cloud and will...

About The Role Taktile is building a platform for creating, publishing, and executing AI-powered agents that help teams automate complex workflows in financial services. The Agents team owns the agent execution runtime, tool orchestration, and platform infrastructure that makes this possible, including the conversational copilot experiences built on top of...

Software Engineer / Developer (Java API Kafka AWS) London / WFH to £90kAre you a technologist with strong Java backend development skills?You could be progressing your career working on a financial Tech for Good product in a hands-on Software Engineer role at a scale-up software house.The platform enables easier money transfer to people in emerging...

Skills and Competencies 5+ years of software engineering experience designing, coding, testing, and operating production-grade backend services and cloud-native applications Strong coding proficiency in TypeScript, Python, C#, or similar technologies, with experience building scalable application programming interfaces, microservices, and distributed...

This role will focus on implementing APIs and backend systems for new features to the platform.What this role will do:• Build, enhance, and scale the core application using Django and Django REST Framework, while developing and maintaining microservices with FastAPI and Pydantic to support new features and APIs.• Create robust, high-performance APIs to...

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...

DescriptionCompany Jefferies, a global investment bank and securities firm, has served companies and their investors for over 60 years. Headquartered in New York City, with offices in more than 25 cities around the world, Jefferies provides clients with capital markets and financial advisory services, institutional brokerage, securities research and asset...

About Us Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet....

Role: Senior Technical Lead / Solution Architect (Full Stack) Experience: 10-14 Years Location Preference: Dublin - Work from office. Role Summary We are seeking an experienced hands-on Senior Technical Lead / Solution Architect to provide technical leadership, execute customer technology roadmap, architect scalable enterprise solutions, and lead the...

Software Engineer, Machine Learning Infrastructure - Generative AIAbout the TeamDeliveroo's GenAI Platform team sits within Machine Learning Platform and builds the shared infrastructure that helps DoorDash, Wolt, and Deliveroo teams safely bring GenAI-powered products, agents, automation, and personalization to production. Our mission is to increase the...

Software Engineer, GenAI PlatformAbout the TeamDeliveroo's GenAI Platform team sits within Machine Learning Platform and builds the shared infrastructure that helps DoorDash, Wolt, and Deliveroo teams safely bring GenAI-powered products, agents, automation, and personalization to production. Our mission is to increase the velocity of business impact from...

At Scale AI, we’re not just building AI tools—we’re pioneering the next era of enterprise AI. As businesses race to harness the power of Generative AI, Scale is at the forefront, delivering cutting-edge solutions that transform workflows, automate complex processes, and drive unparalleled efficiency for the largest enterprises. Our Scale Generative AI...

The Client We are delighted to be ,once more, recruiting on behalf of our prestigious client, a newly created JV Technology Consulting business formed by global leaders in the fields of management consulting and investment fund management. Based in Newcastle upon Tyne at their enviable facilities, my client seek a Data Engineer for Full-Stack Data Products,...

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the fastest-growing crypto applications and one of the biggest drivers of the...

About Wintermute Wintermute is one of the largest crypto-native algorithmic trading companies in digital assets. We provide liquidity algorithmically across most cryptocurrency exchanges and trading platforms, a broad range of OTC trading products as well as support high profile blockchain projects and traditional financial institutions moving into crypto....

The Mission : We are building the next generation of intelligence. This isn’t just about calling an API; it’s about engineering the plumbing, the memory, and the reasoning logic that allows AI to navigate complex datasets. You will be responsible for delivering fast, brilliant, and architecturally sound solutions.What You’ll Own: Cognitive...