Lead Backend Developer Python Java Aws 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 ...

Backend Python Developer

About us CheMastery is automating how research and manufacture are carried out. Considering making an application for this job Check all the details in this job description, and then click on Apply.The chemical industry is a large and ever-growing market however, ...

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 ...

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

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 ...

Python Backend Developer

Overview 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 ...

Backend Python Developer

CheMastery is automating how research and manufacture are carried out. The chemical industry is a large and ever-growing market however, the work is still carried out mostly manually and chemical processes remained unchanged over the past 160 years. The lack of standardisation and digitisation crea ...

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

Mandatory : Candidate needs to have good experience in Java, Microservices, Kafka, Spring boot, AWS/Azure and 30% of experience in React. Java Back-end developer with Azure/AWS skills for London location. Major Duties Liaise with fellow developers Designing ...

Lead Java Backend Engineer | AWS, Kubernetes, DevOps

A global music company is seeking a Lead Developer to design, develop, and maintain external facing royalty portal using Java. This role involves working with AWS serverless solutions and requires collaboration within an agile product team. Ideal candidates will have strong commercial experience with Java, excel ...

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 ...

Lead Developer: Java, AWS & Kubernetes Leader

A leading music company in Greater London is seeking a Lead Developer to design and maintain a royalty portal using Java and AWS services. The ideal candidate will lead a development team, ensuring high-quality solutions while enhancing CI/CD practices. This role demands strong experience in Java, AWS, and conta ...

Java/AWS Developer Contract

We are looking for an experienced Java Developer to join a high-performing engineering team on a 12-month contract , working on modern, cloud-based systems. Key Responsibilities Design, develop, and maintain scalable Java applications Build and enhance micro ...

Software Engineer (100% Backend, Python & AWS)

Software Engineer (100% Backend, Python & AWS) London (Hybrid – 3 days/week in Farringdon office) Full-time, salary: £60,000-80,000 Job Summary Are you passionate about architecting the data and application platform that powers the next generation of AI products? Do you ...

Cloud Native Backend Engineer (Python/AWS)

A leading financial technology start-up in Greater London is seeking a motivated backend engineer to help define and build cloud-native services. Candidates should have expertise in Python and experience with AWS, Docker, and Infrastructure as Code using Terraform. The role involves collaborating with cross-func ...

Software Engineer (100% Backend, Python & AWS)

Software Engineer (Backend, Python & AWS) – Travtus London (Hybrid – 3 days/week in Farringdon office) • Full-time • Salary: £60,000-£80,000 Job Summary We’re building the next generation of AI products in Multifamily real‑estate. We need a backend engineer to architect reusable ...

Senior Backend Architect — Python, Django & AWS

Implement the changes required to the platform. You will lead the team in their development work, utilising your strong knowledge of Python / Django and the wider infrastructure including: AWS, Terraform, and Github actions for the company's CI deployments. Responsibilities <h3 ...

Java Backend Engineer – Data Ingestion & AWS

A growth-focused market-making firm in London is looking for a junior-to-mid Java Developer. This role involves building and enhancing Java backend services, while also maintaining Python ETL processes. A minimum of 10 years’ experience in building production systems is required, alongside strong knowledge of Po ...

Java Backend Engineer – Data Pipelines & AWS

A growing financial technology firm in London is looking for a Java Developer for a junior-to-mid role, offering up to £700 per day. You will enhance Java backend services and maintain Python-based ETL processes. The ideal candidate will have over 10 years of experience in production systems, be comfortable with ...

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 ...

Lead Backend Engineer Python

Overview We’re Kingfisher, A team made up of over 74,000 passionate people who bring Kingfisher - and all our other brands: B&Q, Screwfix, Brico Depot, Castorama and Koctas - to life. That’s right, we’re big, but we have ambitions to become even bigger and even better. We want to become the leadi ...

Senior Java Developer | Lead Backend & API Design

A leading global consulting firm in the UK is seeking a Senior Java Developer to lead the development of scalable Java-based applications. In this role, you will collaborate with cross-functional teams, mentor junior engineers, and ensure adherence to best coding practices. Required skills include hands-on exper ...

Lead Java Backend Engineer

What You’ll Do Lead key engineering initiatives and introduce modern best practices (design patterns, new languages, modern architecture approaches) Guide backend architecture and ensure high standards in performance, security, and reliability Support engineers through pair ...

Java AWS Tech Lead

Job Title: Java AWS Tech Lead Job Type: Permanent Job Location: London , UK Job Description: Need good experience with AWS 10+ years of experience to lead and manage the development team by providing technical direction and guidance for end-to-end ...

Java AWS Tech Lead

Job Title: Java AWS Tech Lead Job Type: Permanent Job Location: London , UK Job Description: Need good experience with AWS 10+ years of experience to lead and manage the development team by providing technical direction and guidance for end-to-end ...

Senior Backend Developer (Django/Python)

Updraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to day decisions involved in managing money and mainstream borrowings like ...

Senior Backend Developer (Django/Python)

Updraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to day decisions involved in managing money and mainstream borrowings like ...

Senior Backend Developer (Django/Python)

Updraft. Helping you make changes that pay off. Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to day decisions involved in managing money and mainstream borrowings ...

Senior Python Backend Software Developer

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 ...

Lending Backend Java Developer London

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 buildi ...

AWS Application Developer

We are seeking a skilled and proactive Application developer to support the development and deployment of the AWS Professional Supply Chain Command Centre solution. This role will focus on backend service development, API design, event tracking, and analytics integration across supply chain flows in ...

Junior Developer Java / Python / C++

DescriptionThe FICC Credit Technology team supports the Bank's global Fixed Income, Currencies & Commodities (FICC) business, with a specific focus on electronic trading of credit products, including corporate bonds and credit derivatives. The role involves designing, building, and enhancing low ...

Junior Developer Java / Python / C++

DescriptionThe FICC Credit Technology team supports the Bank's global Fixed Income, Currencies & Commodities (FICC) business, with a specific focus on electronic trading of credit products, including corporate bonds and credit derivatives. The role involves designing, building, and enhancing low ...

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 ...

AWS Cloud Full Stack Engineer (Hybrid)

A global technology and consulting firm is seeking a Full Stack Developer to design and build cloud-native applications. In this role, you will create modern user interfaces and develop scalable backend services utilizing AWS. Ideal candidates will have a Bachelor's Degree and experience in languages including P ...

Software Engineer (100% Backend, Python & AWS)

Software Engineer (100% Backend, Python & AWS)London (On-site, London Farringdon)Full-time, salary: £60,000-80,000Job SummaryAre you passionate about architecting the data and applicati ...

Software Engineer (100% Backend, Python & AWS)

Software Engineer (100% Backend, Python & AWS)London (On-site, London Farringdon)Full-time, salary: £60,000-80,000Job SummaryAre you passionate about architecting the data and applicati ...

Backend Engineer for AI Platform | Python & AWS

A technology-driven startup in London is looking for a Software Engineer to build shared platform layers for AI solutions. You will utilize your extensive Python experience to create frameworks and APIs that enhance productivity across product teams. The role is hybrid, requiring part-time office presence, and o ...

Backend API Engineer — Python, AWS & Data Pipelines

A leading advertising and communication agency in Greater London is seeking a Software Developer Back End. The role involves designing and operating scalable APIs and data systems on AWS, while leading a team. Ideal candidates should have strong Python and FastAPI skills, along with experience in CI/CD and AWS s ...

Senior Backend Engineer – Casino UX (Python/AWS)

A next-generation gaming platform is seeking a Senior Backend Engineer to enhance their casino experience. In this role, you will own the backend lifecycle, build APIs, and maintain high-quality code in a fast-paced environment. The ideal candidate will have 5+ years of backend engineering experience, strong pro ...

Senior Backend Engineer Python & Rust (AWS, gRPC)

A technology-enabled advisory firm is seeking a Senior Backend Software Engineer to join their team in Greater London. You will design and develop backend services and APIs, manage cloud-native systems on AWS, and create data models for financial instruments. Ideal candidates will have strong programming skills ...

Backend Engineer FinTech Data Platform (Python/AWS)

A financial technology company in Greater London is seeking a Python Backend Developer to lead technical projects, mentor junior developers, and develop backend services for their platform. This role involves working with Python, Flask, FastAPI, SQL, and AWS technologies. The ideal candidate will have strong col ...

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