Senior Java Backend Engineer Build Scalable Secure Systems

Company IconLegalAndGeneral
Location IconLondon

LegalAndGeneral is looking for a Senior Software Engineer to join their dynamic team in Greater London. The position involves designing and developing high-quality software solutions, ensuring alignment with engineering standards, and mentoring te...Read More>>.

Posted: June 6th, 2026
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FinTech Backend Engineer (Python/Django) – London Hybrid

Company IconSignify Technology
Location IconLondon

Signify Technology is seeking an experienced Python Developer with expertise in Django and SQL/PostgreSQL for a hybrid role in London. The successful candidate will develop and maintain web applications and backend systems specifically in the FinTech...Read More>>.

Posted: June 6th, 2026
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Fund Software Engineer — Java/Python/Perl (Markets Data)

Company IconOxford Knight
Location IconLondon

Software engineer - fund London, United Kingdom Posted 10 months ago Tech stack Java Perl Python Required Skills Behaviours (for both Market Data and Order Ent...Read More>>.

Posted: June 6th, 2026
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Fintech Python Web Engineer - Own Projects & Impact

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Python Web Engineer for a major global financial exchange located in Greater London. The ideal candidate will have experience with Python-based MVC frameworks and front-end technologies including JavaScript, HTML5, and...Read More>>.

Posted: June 6th, 2026
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AWS Cloud Backend Engineer — TypeScript

Company IconJava Script Works
Location IconLondon

Java Script Works is hiring a Backend TypeScript Programmer in London, United Kingdom. This full-time role involves joining a cloud services development team focused on industrial workflow and process management systems. Candidates should have a stro...Read More>>.

Posted: June 6th, 2026
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Backend Java/.NET Developer – Azure & Public Sector

Company IconMethods
Location IconLondon

Methods is seeking a Mid-Level Java / .NET Developer with a strong focus on Azure to contribute to public sector digital services. This role involves designing and maintaining applications while mentoring junior developers and collaborating within...Read More>>.

Posted: June 6th, 2026
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Java Backend Engineer – SC Cleared Government Projects

Company IconIDEMIA Public Security
Location IconWokingham

IDEMIA Public Security is seeking a Software Developer in Wokingham, UK, to support government projects. The position requires strong Java skills and familiarity with Spring Boot and REST APIs. Candidates must have 2–3 years of experience and live...Read More>>.

Posted: June 6th, 2026
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Senior Backend Java Engineer – Hybrid, Global Finance

Company IconCitibank (Switzerland) AG
Location IconBelfast

Citibank (Switzerland) AG in Belfast is looking for Experienced Backend Java Developers to join their Tech team. You will play a key role in developing applications that support global finance, delivering solutions that impact economies and innova...Read More>>.

Posted: June 6th, 2026
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Real-Time Payments Engineer (Java/Spring/Kafka)

Company IconIcon Solutions
Location IconLondon

Icon Solutions is seeking an experienced Software Engineer to join their innovative team in Greater London. The successful candidate will work on a market-leading solution for real-time payment processing using advanced technologies including Java...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer I - Acquiring Platform - Backend (Java)

Company Iconhackajob
Location IconLondon

At hackajob we collaborate with Wise to connect them with professionals for the role. Company Description Wise is a global technology company building the best way to move and manage the world’s money. Job Description...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer — Python Microservices (FastAPI) London

Company IconFruition Group
Location IconLondon

A leading Insurtech company in London is seeking a motivated Senior Backend Engineer to build and scale their insurance platform. The role focuses on developing Python microservices using FastAPI and collaborating in a high-performing team. The ideal...Read More>>.

Posted: June 6th, 2026
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Platform Backend Java Engineer (Hybrid, Fixed-Term)

Company IconNextWave Consulting Ltd
Location IconLondon

A technology consulting company is seeking a Backend Java Developer to build core backend services in a hybrid role based in Birmingham. You will implement policy engines for data governance and work with distributed data platforms. The ideal candida...Read More>>.

Posted: June 6th, 2026
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Python Web Engineer Fintech in London - Quant Capital

Company IconJava Script Works
Location IconLondon

Job Opening: Python Web Engineer Our client is a major global financial exchange, driven by technology. They are at the bleeding edge of not only product ideas but also experience. The role requires experience with Python-based MV...Read More>>.

Posted: June 6th, 2026
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Mobile & Web Engineer (Mid-Level) | Java or Python

Company IconQurious Associates Limited
Location IconStaines upon Thames

A forward-thinking digital media company is looking for a talented Mid-Level Developer to join their dynamic team. Ideal candidates will have over 3 years of experience in Web and Mobile Development, with good knowledge of Java or Python, as well as...Read More>>.

Posted: June 6th, 2026
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Senior Java Backend Engineer – Data Platform

Company IconSmartChoice International Limited
Location IconLondon

A leading technology firm in the United Kingdom is seeking a Senior Backend Developer to support a data platform programme for a global financial services organisation. The successful candidate will design and implement backend services, ensure high...Read More>>.

Posted: June 6th, 2026
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Python Engineer in London - Quant Capital

Company IconJava Script Works
Location IconLondon

Job Opportunity: Python Engineer Quant Capital is urgently looking for a Python Engineer to join our high-profile client, a globally recognized High-Frequency Trading firm. They highly value technology, particularly the open-source varie...Read More>>.

Posted: June 6th, 2026
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Java Backend Engineer – Incident Response & Reliability

Company IconMethods Business and Digital Technology
Location IconLondon

A technology solutions firm in Greater London seeks a skilled 3rd Line Back End Developer to tackle complex issues in live systems. The role requires a strong background in Java and server environments, with responsibilities that include diagnosing d...Read More>>.

Posted: June 6th, 2026
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Java/Kotlin Backend Engineer for Scalable Cloud Integrations

Company IconBrookwood Recruitment Ltd
Location IconManchester

We are currently seeking multiple Backend Software Engineers to join an exciting and fast-growing technology team building large-scale connectivity and integration solutions for a global digital platform. This role sits within a newly es...Read More>>.

Posted: June 6th, 2026
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Java Fullstack Developer: AWS, Microservices, SC Cleared

Company IconLaraveldaily
Location IconLondon

Laraveldaily is seeking a Java Fullstack Developer for a major public sector project based in Croydon. The role requires a maximum of 2 days per week in the office, and SC Clearance must have been used within the last 12 months.Key skills i...Read More>>.

Posted: June 6th, 2026
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Fintech Python Engineer - Valuation Systems & Architecture

Company IconJava Script Works
Location IconLondon

Quant Capital is seeking a Junior Python Developer to join a leading FinTech company in London. The successful candidate will work on high-class Derivatives Instruments Valuation, helping to shape architecture. Proficiency in Python and frameworks li...Read More>>.

Posted: June 6th, 2026
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Senior Java Architect – Scalable Gaming Backend (London)

Company IconEeze
Location IconLondon

Eeze is looking for an experienced Java Architect based in London, United Kingdom, who can lead the architectural design and technical evolution of our gaming platform. This role will require building a robust, scalable backend ecosystem capable of s...Read More>>.

Posted: June 6th, 2026
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Lead JavaScript & Node.js Applications Architect

Company IconJava Script Works
Location IconCambridge

A dynamic tech company in Cambridge is seeking a Software Engineer with strong JavaScript skills and experience in Node.js. The role involves adapting to new technologies and engaging with a diverse set of cutting-edge tools. Candidates should have s...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Java & Python) - Scalable Systems

Company IconJPMorgan Chase & Co.
Location IconBournemouth

JPMorgan Chase & Co. in Bournemouth seeks an Experienced Software Engineer within the Global Technology team. The role involves designing and delivering technology products using Java or Python in an agile environment.Responsibilities inclu...Read More>>.

Posted: June 6th, 2026
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Senior Java Backend Engineer | Enterprise Platform Leader

Company IconHunter Bond
Location IconLondon

A global financial services organisation is seeking a Senior Java Engineer to contribute to a vital enterprise platform. This hands-on role involves not only development but also shaping technical standards and collaborating with senior engineers to...Read More>>.

Posted: June 6th, 2026
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Full-Stack Engineer (Backend focused) in London - Gizmo

Company IconJava Script Works
Location IconLondon

Skills and Qualifications You should have a backend focus and proven experience shipping complex features. Desired Expertise Proficiency in Python, PostgreSQL, and familiarity with TypeScript is requi...Read More>>.

Posted: June 6th, 2026
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Senior Java Backend Engineer — Build Scalable, Fast Systems

Company IconInfoSum Limited
Location IconBasingstoke

InfoSum Limited in Basingstoke is seeking a Senior Java Engineer to design and maintain high-performance backend systems. You will collaborate with cross-functional teams to develop scalable and reliable software solutions.The ideal candida...Read More>>.

Posted: June 6th, 2026
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Python Developer for Finance Tools - Full-Time, London

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a full-time Python Developer in London, United Kingdom. The role involves developing tools using a diverse technology stack including Python, React, SQL Server, and Kafka. Candidates should be skilled in Python and React,...Read More>>.

Posted: June 6th, 2026
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Senior Backend Django/Python Engineer — Fintech Ownership

Company IconUpdraft
Location IconLondon

A leading fintech company in London seeks a Backend Developer to design and develop efficient server-side components. The role requires a solid understanding of microservices architecture and experience in high-scale startups, ideally with 5-7 years...Read More>>.

Posted: June 6th, 2026
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Java Backend Engineer - Hybrid/Remote

Company IconTrades Workforce Solutions
Location IconLondon

A leading tech firm in Greater London is seeking a Java Developer to join its dynamic team. You will be responsible for designing and developing critical backend infrastructure supporting vital services. This role offers competitive compensation, fle...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Backend) in London - LinuxRecruit

Company IconJava Script Works
Location IconLondon

Senior Software Engineer (Backend) London, United Kingdom Posted 10 months ago Tech Stack Python Software Engineer API Express Azure TypeScript Artifici...Read More>>.

Posted: June 6th, 2026
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Lead Backend Engineer (TypeScript) – Hybrid, London

Company IconJava Script Works
Location IconLondon

Java Script Works is looking for a Lead Backend Software Developer (Typescript) to join our software team in London. You'll lead projects focused on building and scaling a robust event-driven backend, directly reporting to the CTO.This full...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer – Enterprise-Grade Apps (Spring, CI/CD)

Company IconLSEG
Location IconLondon

A financial markets technology leader is establishing a talent pipeline for a Senior Java Engineer role. The position requires expertise in designing scalable Java applications using modern frameworks. Candidates should demonstrate proficiency in Jav...Read More>>.

Posted: June 6th, 2026
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FinTech Node.js Developer - Build & Maintain Modern Apps

Company IconJava Script Works
Location IconLondon

Java Script Works is seeking a Node.js Developer in Greater London, United Kingdom. The ideal candidate will have solid experience with Node.js and a background in building innovative financial services products as well as maintaining existing applic...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer (Java) — Build a Unicorn

Company IconLinuxRecruit
Location Icon

A fast-growing tech company in the UK is seeking a Senior Consultant to join their innovating team. This mid-senior level position demands strong back-end engineering skills, adaptability, and a drive for impact. With a salary up to £120k and stock...Read More>>.

Posted: June 6th, 2026
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Senior PHP Backend Engineer – Cloud & API

Company IconCopello Global
Location IconFareham

A cybersecurity solutions provider in Fareham is looking for a Senior Partnership Delivery Consultant. The role involves collaborating with teams to convert challenges into software solutions, researching new technologies, and mentoring developers. S...Read More>>.

Posted: June 6th, 2026
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Software Engineer II - Python in Bournemouth - JPMorgan Chase & Co.

Company IconJava Script Works
Location IconBournemouth

Software Engineer II - Python Bournemouth, UnitedKingdom Posted 10 months ago Tech stack Python Django Frontend Qualifications, Capabilities, and Skills Famili...Read More>>.

Posted: June 6th, 2026
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Remote Java Backend Engineer - Fintech, High-Impact

Company IconEden Scott
Location IconGlasgow

Eden Scott is looking for a Software Engineer (Java) to join a rapidly scaling fintech firm specializing in next-gen payment technology. This role offers the chance to make impactful contributions in a high-autonomy engineering environment....Read More>>.

Posted: June 6th, 2026
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Senior Backend Developer - Java (Financial Services) in London - LinuxRecruit

Company IconLinuxRecruit
Location IconLondon

Senior Backend Developer - Java (Financial Services) London, United Kingdom Overview Java is your passion, you know it like the back of your hand. The backend is where your interest lies. You think big, you don't...Read More>>.

Posted: June 6th, 2026
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Full Stack Engineer (Python and/or Java) – VP

Company IconCitigroup Inc.
Location IconLondon

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can ma...Read More>>.

Posted: June 6th, 2026
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Software Engineer - Hybrid, 4-Day Week | C++, Java, Python

Company IconLockheed Martin
Location IconAmpthill

Lockheed Martin in Ampthill, England, is seeking a passionate Software Engineer to work on meaningful projects while utilizing C++, Java, and Python programming skills. The position offers a hybrid working model, a 4-day work week, and exceptional tr...Read More>>.

Posted: June 6th, 2026
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Application python developer - fund in London - Oxford Knight

Company IconJava Script Works
Location IconLondon

Application python developer - fund London, United Kingdom Technology Stack React SQL Server Kafka Java Python With a diverse technology stack, including Python...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Python/Java) – Life Sciences

Company IconJas Gujral
Location IconLondon

A leading consulting firm in the United Kingdom is seeking a Senior Software Engineer with expertise in Python and Java. The ideal candidate will have 5 to 10 years of experience in developing complex applications, particularly within the Life Scienc...Read More>>.

Posted: June 6th, 2026
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Software Engineer III - Backend Engineering - Java/Kotlin

Company IconJ.P. MORGAN
Location IconLondon

Job DescriptionOut of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center - all in an environment that nurtures skill...Read More>>.

Posted: June 6th, 2026
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Lead Test Engineer - Microservices - Java - SC CLeared

Company IconMorgan Philips Group SA
Location IconLeeds

Lead Test Engineer - Inside IR35 - £600 to £640 per day via umbrella - 12-month contract - SC Clearance is essential Experience in driving or supporting transformation from monolithic systems to distributed microservices architecture...Read More>>.

Posted: June 6th, 2026
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Lead Backend Engineer – Trading Platform, Low-Latency Java

Company IconP2P
Location IconLondon

About Bullish Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. These include: Bullish Exchange – a regulated and institutionally focused di...Read More>>.

Posted: June 6th, 2026
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VP Full-Stack Tech Lead (Java/Python)

Company IconCitibank (Switzerland) AG
Location IconBelfast

Citibank (Switzerland) AG is seeking a Full Stack Application Development Technical Lead (Java/Python) in Belfast. The successful candidate will design and enhance enterprise-scale applications and mentor the development team while working in a hy...Read More>>.

Posted: June 6th, 2026
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Hybrid Software Engineer - SC Cleared, AWS, Java/Python

Company IconSearchability
Location IconGloucester

Searchability in Gloucester is looking for a Software Engineer to join their expanding technology team. The role offers a hybrid working model, requiring three days on-site, and focuses on delivering complex solutions in a secure environment....Read More>>.

Posted: June 6th, 2026
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Software Development Engineer II (Java) - Customer API

Company IconTesco UK
Location IconWelwyn Garden City

As an SDE2 at Tesco, you are a mid‑level individual contributor whose impact reaches across your team. You provide technical leadership for medium to large features, participate in their design, and take accountability for delivery. You are e...Read More>>.

Posted: June 7th, 2026
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Software Development Engineer II (Java) - Customer API

Company IconTesco - Corporate
Location IconWelwyn Garden City

Tesco UK • Welwyn Garden City • Hybrid • Full-Time • Permanent • Working hours 36 • Apply by 01-Oct-2026 As an SDE2 at Tesco, you are a mid-level individual contributor whose impact reaches across your team. You provid...Read More>>.

Posted: June 10th, 2026
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Senior Java Architect & Tech Lead - Cloud & Microservices

Company Iconscrumconnect ltd
Location IconSwansea

Scrumconnect Ltd is seeking an experienced Java Developer to lead the design, development, and delivery of scalable enterprise applications in Swansea, South Wales. You will be pivotal in ensuring high-performance and secure applications while dri...Read More>>.

Posted: June 10th, 2026
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