Senior Backend Developer Python - 7,249+ job offers

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

KodeLab

Power the Core of Fintech Innovation: Senior Back-End Developer at Kodelab At Kodelab, we are shaping the future of fintech, blockchain, and AI-powered solutions. Our back-end infrastructure is the backbone of our success, powering everything from secure financial transactions to AI-driven platforms

About The Company Partnerscale is an innovative AI-first engineering firm specializing in enterprise retail and e-commerce solutions. With a focus on leveraging cutting-edge technologies, the company develops transformative products in generative AI, data pipelines, and marketing technology for reno

Are you a backend developer who enjoys solving complex data problems and building robust, scalable systems? Do you want your work to power digital experiences for leading arts, culture, and heritage institutions worldwide? Keepthinking is looking for a Backend Developer to join our growing team and

Who We Are Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we’re building t

Senior Back-End Engineer Our Team: How we enrich everyday life You’ll be joining our dynamic Digital Development team within Bauer Media Audio, where we build the back-end systems that power mobile, web, and voice-connected experiences across international markets. Our team thrives on collaboration,

Lead Python Developer / Software Engineer London / WFH to £120k Are you a skilled Python Developer with team leadership experience? You could be progressing your career at a well-funded and profitable FinTech start-up. As a Lead Python Developer you'll head up a small, talented tech team to deliver

Backend Software Engineer – Python / FastAPI / Event-Driven Architecture (AI Agents / FinTech) Role: Backend Software Engineer - Python Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 – £100,000 About the Role We’re building an AI-native financial platform designed

Backend Software Engineer / Developer (Python) London / WFH to £100k Opportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded and profitable FinTech start-up. As a Backend Software Engineer you'll join a small, talented tech team to deliver new features and

MCS Group

£40,000 - £50,000 /year

Company Overview MCS Group are delighted to be partnering with a well-established, profitable software company based in Northern Ireland is building cloud platforms used across regulated industries including animal health. Their products replace legacy systems with modern, scalable solutions and are

Mid-Level Backend Developer | C#, .NET Core & SQL | Salary £45–60k | Hybrid (North Bristol) Would you like to join a national organisation that helps thousands of people across the UK during their time of need? They’re looking to add a couple of Mid-Level Backend Developers to one of their core

Position: eCommerce Developer Type: Contractor Compensation: $50 - $120/hour Location: Remote Role Responsibilities Design, develop, and maintain robust eCommerce platforms using Magento, Shopify, and WordPress. Implement and optimize seamless API integrations, including REST APIs and middleware sol

Work Snapshot Type: Hourly contract Location: Remote Commitment: around 20 hours per week What You’ll Be Doing Support a model-training project with a leading foundational model AI lab Build and maintain complex, production-grade Python systems used in real-world environments Design modular, testabl

IDAM Back-end Java Developer - SC Cleared | £500 - £535 We're working with a global tech powerhouse delivering mission-critical digital transformation for the UK public sector on this exciting opportunity. We are seeking a high-caliber Senior Java Developer with deep IDAM expertise to spearhead a ma

Work Snapshot Type: Hourly contract Location: Remote Commitment: around 20 hours per week What You’ll Be Doing Support a model-training project with a leading foundational model AI lab Build and maintain complex, production-grade Python systems used in real-world environments Design modular, testabl

We are One Team. We make it happen. We are Unstoppable. BABEL es una consultora tecnológica multinacional especializada en aplicar sus servicios y conocimiento tecnológico en los procesos de aceleración digital de sus clientes, grandes empresas y organismos públicos. ¿Cuál es nuestro plan estratégic

Back End Developer Placement Programme We're working with a leading UK tech talent accelerator and CompTIA Gold Partner on this exciting opportunity. This programme is specifically designed to bridge the UK skills gap by transforming ambitious beginners into industry-ready developers through intensi

Back end Software Developer - Data Centres Remote - Working from home Overview This role focuses on developing reliable, high-performance backend services and supporting the infrastructure they run on. You’ll work primarily with Python, contributing to API development, system design, and automation,

eFinancialCareers

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Pyth

We’re hiring a Quantitative Developer to help own and extend a live production trading system. This role sits between trading systems engineering, quantitative tooling, market data, and production strategy infrastructure. It is a hands-on role for someone who can work directly on live systems, impro