Jobs for backend developer - python at London

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology.We...

Institutional Fabric for the Digital Asset MarketFounded in 2018, Talos provides institutional-grade trading technology for the global digital asset market, powering many of the major players in the crypto ecosystem. Our mission is clear: to advance the mass adoption of digital assets by seamlessly connecting institutions to the digital asset ecosystem. We...

About UsWe’re building the world’s leading cross-border fintech for emerging markets - empowering families, fueling local economies, and changing how millions access financial services.Since our launch in 2019, we have transformed how money moves across borders with our operations spanning 6 out of 7 continents and covering both the busiest and most...

Company Description Squid (YC W26) is building modern, AI-powered software for electricity grid planning, enabling teams to model networks, test performance under stress, and accelerate electrification. The company focuses on creating a unified, trusted network model so planners and operators can collaborate on consistent assumptions instead of relying on...

We Are SpartaSparta is the next-generation commodity trading platform. We give trading desks the clarity, control, and collaboration they need to move faster and trade smarter.In February 2025, we secured $42 million in Series B funding. Now we’re scaling up across the business, and it’s an exciting time to join.Our people are the driving force behind...

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 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...

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...

SummaryOperating at the intersection of crypto and capital markets, my client builds high-performance reactive systems and delivers solutions fast to keep up with the constantly changing digital assets space. They’re looking for motivated engineers with a track record of building complex backend systems to contribute to the trading and settlement platform,...

This role is for one of the Weekday's clientsMin Experience: 6 yearsLocation: LondonJobType: full-timeWe are seeking a highly skilled and experienced Senior Software Engineer with deep expertise in Python to join our growing engineering team. In this role, you will be responsible for designing, developing, and maintaining scalable, high-performance...

Job description Forward Deployed Engineer - London - VC Backed Start-up The Opportunity We are representing a VC-backed technology startup building AI-enabled software for complex physical industries such as aerospace, healthcare, energy, and manufacturing. The company has recently secured significant funding and is moving quickly to scale its product, team,...

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...

Junior Frontend Developer – Fintech35,000 + benefitsQuant Capital is urgently looking for a Frontend Developer to join our high profile client.If you are considering sending an application, make sure to hit the apply button below after reading through the entire description.Our client is a brand new investment big social data business. They have created a...

Reward Gateway, part of Edenred, is a global leader in benefits and employee engagement. We help businesses attract, engage, and retain top talent through strategic reward, recognition, and well-being solutions.Guided by our shared missions - ‘Making the World a Better Place to Work’ and ‘Enriching Connections, For Good’ - we’re committed to...

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,...

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...

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...

Healf is Europe's fastest-growing company.Number one on the FT1000, number one on the Sifted 100. From £1m to over £100m in under three years, with a small, talent-dense team and an electric culture with day one founder intensity. Now we're aiming for £1bn in the next three.We curate the world's best wellbeing brands across The Four Pillars™: EAT, MOVE,...

 Job Description: WEB ENGINEER | ALGO WEB ENGINEER | SOFTWARE ENGINEER | £100,000 - £150,000 | PERMANENT | LONDON | HYBRID | FIN-TECH | FINANCE | PYTHON | C++ | TYPESCRIPT | REACT | REDUX BSQ Talent is excited to announce our partnership with a pioneering financial firm that stands out as a leader in the dynamic and rapidly...

8x8 connects our customers and teams globally, empowering CX leaders with performance and insights to make smarter decisions, delight customers, and drive lasting business impact. About 8x88x8 connects people and organizations through seamless communication on the industry's most integrated platform for Customer Experience — combining Contact Center,...