Jobs for backend developer - python at London

Talos builds institutional-grade trading technology that supports the global digital asset market through backend systems used across the trading lifecycle. This full-time Software Engineer position is based in London and focuses on developing high-performance backend services for trading and settlement platforms. Working alongside product and...

Job Description Join Zepz: Breaking Down Borders, Together Our Meaningful Mission At Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver opportunities to cross-border communities that need it most through cutting edge finance and tech. Zepz is the power behind...

- Socure is looking for a Software Engineer II – Backend to join our global engineering team - You’ll design, build, and operate scalable backend services that power our identity verification and fraud prevention products - You’ll work closely with Engineering, Product, Infrastructure, and Data Science/ML teams and take ownership of software from...

**Company Description** *We’re* *Checkout.com* *. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day.* *We are where the world checks out, enabling over 10 billion transactions yearly for more than one billion global shoppers.* *Whether you want...

Octopus Energy started with a bold idea: to build Britain’s first truly digital energy supplier. By combining world-class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and in 2025, we became Britain’s largest energy supplier. Now, we’re scaling fast and building the next...

**Python & API Automation Engineer** **£700 P/D** **6 MONTH CONTRACT** **LONDON/HYBRID** **Role Overview** We are looking for a hands-on **Python & API Automation Engineer** to build and maintain automation solutions for data masking. The successful candidate will develop Python scripts that interact with REST APIs to execute masking tasks, manage...

What We're Looking For - 5+ years of professional software engineering experience. - Strong commercial experience with Python. - Experience building and operating production backend systems at scale. - Strong understanding of software architecture, system design, and engineering best practices. - Experience developing APIs and distributed systems. - Strong...

Role is Munich based | Top Relocation Support On behalf of our client—a fast-growing, Y Combinator-backed AI startup automating back-office workflows - We are currently searching for a (Senior) Fullstack Engineer. In this position, you will be building AI-powered products end-to-end, from designing scalable backend systems and APIs to seamlessly...

**This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.** She will pick the best candidates from Jack's network. The next step is to speak to Jack. **Job Title** Founding Engineer **Salary** Not Disclosed **Company Description** Asymmetric Security is a $4.2M pre-seed AI-native Digital...

DescriptionAbout Prevail PartnersPrevail Partners is a leading British intelligence, security and operational support company. We help governments, NGOs and commercial organisations operate safely and effectively in some of the world's most complex environments by combining intelligence, technology and operational expertise. Our teams deliver...

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...

Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medical technologies that improve the lives of 72+ million patients each year. Your unique...

We're building an AI Front Office that autonomously runs businesses. Working alongside technical founder Kai Feller (previous company was UK’s largest bootstrapped exit of $300m), we're assembling an elite founding team that moves fast and gets things done.As a Software Engineer, you’ll ship step-changing features fast, shaping architecture, and...

Our client, a leading global multi-strategy hedge fund, is looking for a Python Engineer in London to join a growing Macro & Fixed Income Data Technology team. This team sits at the intersection of technology, quantitative research, portfolio management, and trading, building the next generation of data infrastructure used by investment professionals across...

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure....

Some engineers enjoy writing code. Others can't stop building. If you've been programming since you were a teenager, spend your evenings experimenting with new technology, and get genuine satisfaction from shipping products, this role was written for you. Referment is partnering with a venture-backed AI startup looking for one exceptional...

**Introduction** At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver solutions that create real business impact. From...

Grafana Labs, the company behind the open observability cloud, is founded on the principles of open source, open standards, open ecosystems, and open culture. Grafana Cloud, our fully managed observability platform, is flexible and built for scale. With Grafana Cloud's actually useful AI, organizations can see, understand, and act on all their disparate data...

Octopus Energy started with a bold idea: to build Britain’s first truly digital energy supplier.  By combining world-class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and in 2025, we became Britain’s largest energy supplier. Now, we’re scaling fast and building the next...

Quant Library Developer, Macro Technology. A Career with Point72’s TECHNOLOGY TEAM As Point72 reimagines the future of investing, our Technology team is constantly evolving our firm’s IT infrastructure and engineering capabilities, positioning us at the forefront of a rapidly evolving technology landscape. We’re a team of experts who experiment and...