Backend Engineer Python - 4,592+ job offers

Senior Software Engineer, Backend Services & APIs LONDON, United Kingdom Job Info Job Identification 22521 Job Category Software Development Posting Date 03/31/2026, 09:15 AM Locations LONDON, United Kingdom Job Schedule Full time Job Description Senior Software Engineer, Backend Services & APIs Off

Verifone

A leading payments technology provider is seeking a Senior Software Engineer (Node.js/TypeScript) to design and implement backend services for their payment platform. This London-based role involves collaboration with product and infrastructure teams to deliver reliable APIs that operate under real-

A fintech SaaS company is seeking a Senior Back-end Engineer to join its high-growth team in London. This role involves leading the design of scalable microservices and developing RESTful APIs using Java 21 and Spring Boot. The ideal candidate will have over 7 years of back-end development experienc

A biotechnology firm in Greater London is looking for a Senior Software Engineer to develop scalable software systems crucial for research in life sciences. This role involves designing backend platforms that support scientists and bioinformaticians in analyzing complex data. Ideal candidates will h

A leading fashion tech startup in London is seeking a Senior Backend Software Engineer to architect transaction systems for their AI-native secondhand fashion marketplace. You'll work on scalable systems integrating AI models into ecommerce, impacting the $350B industry. The ideal candidate has 3–6

A leading technology consultancy in London is looking for a Senior Java Developer to join their team onsite. The ideal candidate will have strong backend development skills in Java and Spring Boot, and the ability to work immediately. Responsibilities include developing backend applications, integra

Oho Group

£8,333 - £15,000 /month

*Principal Software Engineer (Backend) | Advanced Autonomy | London** Principal Backend Engineer required for a rapidly growing London-based start-up at the forefront of advanced autonomy and AI to help shape the future of its platform. Backed by experienced founders and built by a world-class team,

A leading AI solutions provider in Greater London is seeking a Lead Software Engineer to spearhead backend and edge/IoT engineering for high-stakes defence projects. The ideal candidate has extensive application development experience and proficiency in Python and compiled languages such as Rust, C+

A leading technology firm is seeking a Python Data/Machine Learning Engineer who is fluent in Dutch. This role involves designing and building data pipelines and machine learning solutions, requiring over five years of experience in data-driven environments. Candidates should be well-versed in Pytho

A leading sustainability-focused organization in Birmingham is seeking a Senior Software Engineer to develop scalable software solutions and lead a delivery team. The ideal candidate will have strong expertise in Python and JavaScript, with experience in cloud environments like AWS or Azure. Respons

A dynamic technology consulting firm is seeking a Data Engineer Kafka and Hadoop Expert based in Sheffield, UK. The ideal candidate will design and build Kafka-based streaming applications using Scala and Python. Responsibilities include implementing end-to-end streaming pipelines, ensuring data qua

J.P. Morgan

Are you ready to shape the future of data engineering at JPMorgan Chase? Join a dynamic team where your unique skills will help build innovative solutions and contribute to a winning culture. You’ll have opportunities for career growth, collaborate with talented professionals, and make a real impact

A leading global online food delivery marketplace is looking for a Senior Engineer to join their Enterprise AI team. In this dynamic role, you will design and deploy AI-powered solutions, optimize data pipelines, and lead technical projects. The ideal candidate will have experience with cloud platfo

A leading financial services institution in Greater London is seeking a Lead Software Engineer to design scalable technology solutions that support business goals. You will work in an agile environment, developing high-quality production code and collaborating across functions to ensure compliance a

Mindrift

A leading AI project platform is seeking a Senior Python Developer to engage in project-based collaboration. The ideal candidate has extensive experience in functional testing, Docker, and Linux. This role offers fully remote work, flexible hours (20-30 hours per week), and competitive pay of up to

A leading insurance company in the UK is seeking a Senior Software Engineer to enhance their Cyber Data Services. You will play a key role in developing data capabilities, building robust APIs, and improving data quality indicators. The ideal candidate has over 4 years of experience in Python and SQ

Abnormal AI

The Opportunity Abnormal AI is *r** evolutionizing cybersecurity by leveraging AI-native technologies to combat modern cyber threats. We’re building a team of top-tier engineers who are excited to use Generative AI tools like Cursor, GitHub Copilot, and Claude to redefine how software is built—faste

Client Server

Backend Software Engineer / Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. As a Backend Software Engineer withi

Kaluza

A leading energy intelligence platform is seeking a Senior Engineer I to build and maintain backend services using TypeScript. You will work in a hybrid model across London, Bristol, and Edinburgh. The ideal candidate has strong experience in event-driven systems and AWS, coupled with a passion for

A financial technology firm is seeking a skilled Go Developer in Cardiff for a high-performance role in backend systems. You will design and build large-scale financial calculation services, focusing on accuracy and performance in a data-intensive environment. The ideal candidate has strong experien