Lead Backend Developer Python Java Aws London Client Server Jobs in London, UK

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Lead Backend Developer Python Java AWS

21 hours ago Be among the first 25 applicants This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Tech Recruiter - Software ...

Application Developer Python/Java | AWS | London

Java Script Works is seeking an Application Developer skilled in Python and AWS to develop and maintain high-quality applications. The position is based in London, requiring presence in the client office three days a week. Candidates should be proficient in Java and have experience with front end/back end integr ...

Backend Software Engineer Java Kotlin AWS in London client server

Introduction In this role, you will have the autonomy to choose the right tool for the job and introduce emerging technologies. Technologies: API AWS Backend Java JavaScript Kotlin PostgreSQL Python ...

Java Developer in London client server

Skills and Experience You possess strong development experience in Java and Kotlin. You have familiarity with Agile processes and Test-Driven Development (TDD). Technical Expertise You understand Computer Science, Object-oriented Programming (OOP), Design Patterns, Data Structures, a ...

Lead Backend Developer Java, AWS & Kubernetes

A leading music company is seeking a Lead Developer to design, develop, and maintain external-facing royalty portals using Java. The role involves building AWS serverless solutions, working with Docker and Kubernetes, and providing technical leadership within the development team. Candidates should have strong e ...

Python Backend Developer Engineer AWS Lambda London

Python Backend Developer Engineer AWS Lambda London London/Hybrid 2-3 days onsite, United Kingdom - £450 per day UMBRELLA only inside A leading IT Consultancy is seeking a Python Backend Developer Engineer AWS Lambda on a contract basis. You will be needed to work on ...

Backend Java Developer – London Freelance

Job descriptionContextThis digital product is part of a high-growth strategic pillar dedicated to digital expansion. It is a critical solution enabling product sales through a diverse network of external channels (general marketplaces, social commerce, quick-commerce). The platform i ...

Backend Java Developer – London Freelance

Job descriptionContextThis digital product is part of a high-growth strategic pillar dedicated to digital expansion. It is a critical solution enabling product sales through a diverse network of external channels (general marketplaces, social commerce, quick-commerce). The platform i ...

Sviluppatore Backend Java AWS

Role: Backend Developer (Core Java)We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate clo ...

Server Side Java/AWS engineer

Senior Java/AWS Engineer - Regulatory Reporting (Financial Services) London (Hybrid) | Permanent We're hiring a Server-Side Java/AWS Engineer to join a global investment management firm's regulatory reporting team. This is a great opportunity to work on business-critical systems that supp ...

Python Backend Developer

Join to apply for the Python Backend Developer role at Falcon Smart IT (FalconSmartIT) . We are seeking a senior developer with extensive experience in building scalable Python backend solutions. The ideal candidate should be proficient in supporting dozens of concurr ...

Backend Python Developer

We are working with a unique company that helps businesses automate regulatory compliance in the financial industry.The company is at the cusp of the growth where they have registered incredible growth in the last 5 years and looking for a dynamic Backend Engineer who can help them solve interestin ...

Python Backend Developer

Job Title: Python Backend Developer Job Type: Contract Job Location: London , UK Job Description: Python Backend Developer: We need a senior developer with extensive knowledge on building scalable python ...

Python Backend Developer

Job Title: Python Backend Developer Job Type: Contract Job Location: London , UK Job Description: Python Backend Developer: We need a senior developer with extensive knowledge on building scalable python ...

Backend Python Developer

We are working with a unique company that helps businesses automate regulatory compliance in the financial industry.The company is at the cusp of the growth where they have registered incredible growth in the last 5 years and looking for a dynamic Backend Engineer who can help them solve interestin ...

Backend Developer Python

Searchability are partnered with a well-funded Series A startup building one of the most exciting collaborative canvas / whiteboard developer platforms in Europe. Their product enables companies to build rich multiplayer drawing, diagramming and infinite canvas experiences directly into their own applications, w ...

Python Backend Developer

At Mustard Systems, we leverage statistical modeling to dive into sports events and help us make informed predictions about future outcomes. By utilising our unique datasets, advanced statistical models, and custom-built software, we strive to accurately forecast sports results. We value quick deli ...

Backend Developer Python

Job Title: Senior Back End Developer (Python)• Salary Range: £100,000 – £120,000 + Bonus • Location: London | Hybrid (2–3 days office)This Senior Back End Developer role will shape a brand-new data platform designed to support complex decision-making for major global organisations. ...

Java Backend Developer

# Java Backend Developer,November 30, 2025### Job Description**On behalf of our client, we are seeking a Java Backend Developer – London, UK (Full-Time Permanent Role).**Our client, a fast-growing technology organisation, is looking for a skilled Java Backend Developer to build secure, scalable backend services ...

Java Backend developer

We are looking for an experienced Backend Developer with strong Java skills to build and maintain scalable, high-performance backend services and APIs for a large microservices-based trading platform. Key Responsibilities Develop and maintain backend services and API ...

Java Backend Developer

Location: London Job Type: Contract Industry: Engineering Job reference: BBBH437302_1778850078 Posted: about 5 hours ago Senior Backend Java Engineer (SC)Location: Fully Remote Contract: 6 Months IR35 Status: Inside IR35We are currently seeking a Senior Backend ...

Java Backend Developer

Location: London Job Type: Contract Industry: Engineering Job reference: BBBH437302_1778850078 Posted: about 5 hours ago Senior Backend Java Engineer (SC)Location: Fully Remote Contract: 6 Months IR35 Status: Inside IR35We are currently seeking a Senior Backend ...

Backend Java Developer

6-Month Initial Contract | £700–£900 per day Inside IR35 Senior Java Backend Engineer Hybrid | 2 Days per Month in London Our client is looking for experienced Senior Java Backend Engineers to join high-performing engineering squads working on modern, cloud-n ...

Backend Engineer (C# / Python / AWS) – Hybrid London

Client Server is seeking a Backend Software Engineer in Greater London on a 12-month Fixed Term Contract. The role offers a salary of up to £180,000 per annum plus benefits. The ideal candidate will have strong experience with C#, .NET, Python, SQL, and AWS, along with a background in investment management or fi ...

Python Backend Engineer | AWS Lambda, London Hybrid

TELSTRA Associates is looking for an experienced Python Backend Developer Engineer specializing in AWS Lambda, to work on a hybrid basis in London, requiring 2-3 days onsite each week. The role involves enhancing customer experiences, collaborating in cross-functional teams, and developing Back End systems. Cand ...

Founding Backend Engineer: Python & AWS | Equity, London

Oliver Bernard is seeking a Founding Backend Engineer to develop core systems for an innovative startup specializing in AI agents for production data pipelines. Candidates should have at least 5 years of experience in backend and distributed systems, with a focus on rapidly shipping products. The role supports h ...

Lead Java Developer (London)

Lead Product Developer (L5) Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. ...

Lead Java Developer (London)

Lead Product Developer (L5) Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014.We believe our w ...

Lead Java Developer (London)

Lead Product Developer (L5) Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. ...

Lead Java Developer (London)

Lead Product Developer (L5) Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014.We believe our w ...

Software Engineer Full Stack Java HealthTech

Software Engineer Full Stack Java - HealthTech This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Software Engin ...

Hybrid Backend Engineer (Java/Kotlin) on AWS | Lead & Mentor

A leading software company in London is seeking a Backend Software Engineer/Developer proficient in Java and Kotlin to join their team. This role offers a hybrid work-from-home flexibility and the opportunity to work with emerging technologies. Candidates should have strong experience in server-side development ...

Team Lead, Client Connectivity & Java/AWS

TP ICAP seeks a Development Team Leader in London to oversee development on client connectivity platforms. The role involves leading a team, managing software projects, and collaborating with various stakeholders. Essential qualifications include senior-level Java and FIX Protocol experience, leadership skills, ...

Senior Python Backend Engineer FastAPI, AWS, Postgres, London

Oliver Bernard is seeking a Senior Engineer for a high-growth Data Intelligence Platform in Greater London. The ideal candidate has 5+ years of experience in backend development with strong Python and FastAPI skills. You'll own the architecture and quality of the backend serving over 300 clients, focusing on bui ...

Java Backend Lead

Eeze is a Malta-based, technology-driven company that has been developing world-leading online gaming platforms and solutions since 1999. Underpinned by a history that directly interconnects with the rise of online gambling, the company has been a key pioneer within the international market. Over the years ...

Python Software Developer Backend

About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale‑up – thin ...

Python Software Developer Backend

About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale‑up – thin ...

Backend Java Developer Freelance

Senior Backend Java Developer – London We are looking for a Senior Backend Java Developer to join the transformation of a strategic digital product enabling connectivity with external sales channels such as marketplaces, social commerce and quick‑commerce platforms. The role focuses on con ...

IoT Backend Developer Java

Role: Backend Developer (Core Java)We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate clo ...

Backend Developer (Java, SQL)

Role: Backend Developer (Core Java)We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate clo ...

Backend Engineer (Java/Python) for Critical Systems — London

ALTEN LTD - UK is hiring a Backend Software Engineer in London responsible for developing high-reliability software platforms. You'll focus on creating core operational software, working with data flows, and improving automation efficiency. Candidates should have strong Java and Python skills, a degree in Engine ...

Backend Engineer – Java/Spring Boot & Python (Hybrid London)

Methods Business and Digital Technology Ltd is seeking a Back-end Developer specializing in Java Spring Boot and Python to join their private sector team in London. This hybrid role requires 3 days on-site each week. The successful candidate will lead the rebuild of core architecture, optimize technical connecto ...

Principal Java Engineer | Spring Boot, AWS | Hybrid/Remote

Client Server is seeking a Principal Software Engineer / Developer (Java Spring Boot AWS) to join their team in London. You'll lead projects focusing on migrating legacy systems to AWS and implementing CI/CD pipelines in a collaborative environment. The ideal candidate will have strong Java skills, experience in ...

Backend Developer (C# .NET, AWS) – Hybrid London

A highly profitable hedge fund in London is seeking a Backend Software Engineer (C# .Net AWS Junior - Mid) to join their cross-functional Agile team. You'll work on high-value betting execution systems, using technologies such as C# .Net and Kubernetes. This role offers a competitive salary up to £80k, exception ...

Senior Full Stack Engineer Technologist

Senior Full Stack Engineer - Technologist Senior Full Stack Engineer / Developer (TypeScript Elixir AWS) London / WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? ...

Junior Software Developer Java, C#, Python (London)

Vantage Point in London is looking for a Junior Software Developer proficient in Java, C#, and Python. In this full-time role, you will write and maintain code for innovative applications and systems. Ideal candidates will demonstrate their coding skills and familiarity with the mentioned technologies. A competi ...

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    Lead Backend Developer Python Java Aws London Client Server Jobs in London Job Search Guide, Trends and Insights