Senior Java Python Engineer Jobs in UK

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Quantitative Developer

Overview 5+ years of strong Python development experience (optional Java) with demonstrable experience of having designed and developed complex server‑side components. Experience working in Financial Services specifically within markets in front office derivatives risk systems or pre ...

Software Engineer Exchange Connectivity

Software Engineer - Exchange Connectivity A leading FinTech company has developed a cutting-edge digital asset trading infrastructure designed for institutional investors. Their platform seamlessly connects global crypto exchanges, custodians, and liquidity providers through a single API, offering sc ...

Senior Product Engineer [Backend] (£80k £100k + Equity) at Userled.io

Job Title Senior Product Engineer (Backend) Salary £80k-£100k + Equity Company Description Userled.io - VC-backed AI marketing startup backed by LocalGlobe Job Description Join a high-growth startup as a core engineer building the future of Ge ...

Data Engineering Lead – Elite HFT Firm Trading Systems WFH London Up to £600k TC

Data Engineering Lead – Elite HFT Firm - Trading Systems - WFH - London - Up to £600k TC We’re representing a leading diversified trading firm with more than three decades of success combining sophisticated technology with exceptional talent to compete in markets worldwide. With o ...

SC Cleared Principal Data Platform Engineer Fully Remote

Digital Skills ltd is looking for a Principal Data Platform Engineer to lead the design and delivery of secure, scalable data solutions for critical UK Government clients. This hands-on role demands extensive experience in Java, Kafka, and AWS, along with strong leadership skills. The position offers fully remot ...

Lead Data Platform Engineer Secure Cloud & Big Data

Aker Systems Limited is seeking a Lead Data Platform Engineer to develop backend services for government clients. The role requires JAVA programming experience and familiarity with Big Data technologies, alongside a collaborative approach with cross-functional teams. Competitive salary and benefits like medical ...

React & C# Software Engineer Web Apps

Java Script Works is looking for a skilled React C# Software Engineer/Developer in the United Kingdom. This role involves developing, deploying, and supporting browser-based solutions. Ideal candidates will have over 2 years of development experience, with strong expertise in React and Redux, alongside classic A ...

Senior Front End Engineer — React/TypeScript Lead

Java Script Works is seeking a Software Engineer - VP to join our team in the United Kingdom. This full-time position entails working with front-end technologies such as ReactJS, Redux, and TypeScript to deliver high-quality web applications. The ideal candidate will have strong experience in component-based arc ...

Staff Software Engineer, Fintech Scale Platform

Airwallex seeks an experienced software engineer in London to build and maintain their multi-tenant infrastructure. The ideal candidate has over 8 years of experience in Java/Spring Boot, excels in cross-functional environments, and possesses strong communication skills. You'll contribute to projects for notable ...

AWS Cloud Engineer

This range is provided by Harnham. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Building Software and Data Engineering teams across the UK | The Talent Driving The Data and AI Revolution Our client is a fast-growing technology compa ...

Software Engineer (Sales Workflows)

Software Engineer (Sales Workflows) Location: London Deutsche Bank is a global banking business with strong roots in Germany and operations in over 70 countries. Their large but focused footprint gives an established position in Europe plus a significant presence in the Americas and Asia ...

Systems Engineer Enterprise Technology in London Hudson River Trading

Systems Engineer - Enterprise Technology London, UnitedKingdom Posted 9 months ago This is a job posted by our partner Jooble Tech Stack Python administration Enterprise Systems Engineer Qualifications 5+ ...

12 Month Internship eFX IT Developer

We are seeking a Developer with strong communication and customer-facing skills to join our team in London. This role offers the opportunity to work closely with front office users, including traders, risk analysts, and operational staff, in the dynamic field of foreign exchange trading. The ideal candidat ...

Senior Verification Engineer – High Speed Networking

Overview Work mode: Hybrid Contract duration: 2 years Location: Belfast Role Title: Senior Verification Engineer – High-Speed Networking Core Scope Verify high-speed connectivity IP using advanced verification methodologies and class-based UVM environments. Sup ...

Software Engineer

This Senior Software Engineer role will appeal to those who have already thrived in an Electronics Engineering environment and seek to broaden their knowledge in this type of application. With a full understanding of the Software Lifecycle (Requirements, Design, Development and Test) you will need to have excell ...

Front End Developer

Benefits Paid time off Flexible schedule Health insurance About the Role We’re seeking a highly skilled Front-End Developer with Full-Stack and Angular experience. In this role, you’ll take ownership of building and maintaining scalable, high-pe ...

SC Cleared AWS DevOps Engineer Cloud Native Builder

InfraView - Specialist Cloud & IT Infrastructure Technology Recruitment is seeking a SC Cleared DevOps Engineer for a 12-month contract. This role requires expertise in AWS, Java, and React, to build and manage secure, automated, cloud-native platforms. Candidates must hold current SC Clearance and have experien ...

Automation Test Engineer DevOps & AI (SC)

A leading global technology service provider is looking for a highly experienced Automation Test Engineer (with DevOps) in the UK. The ideal candidate will have a strong software testing background and hands-on experience with Java, Node.js, CI/CD, Terraform, and Azure. Responsibilities include designing scalabl ...

Data Platform Engineer – Open Banking Pipelines & APIs

A pioneering open banking technology company in the UK is looking for a Software Engineer specializing in Data Products. In this role, you will design and implement data pipelines and manage cloud data resources. The ideal candidate will have experience in Java development and managing both SQL and NoSQL databas ...

SC Cleared DevOps Engineer – AWS

SC Cleared DevOps Engineer – AWS, Java, React – 12 Months - £450 - £550 per day – Inside IR35 – Home based SC Cleared DevOps Engineer - AWS – Home based. Experience building and operating secure, automated, cloud‑native platforms , ideally within public‑sector, policing, jus ...

Software Engineer Python (we have office locations in Cambridge, Leeds and London) London

Genomics England is a global leader in enabling genomic medicine and research, focused on creating a world where everyone benefits from genomic healthcare. Building on the 100,000 Genomes Project, we support the NHS’s world-first national whole genome sequencing service and run the growing National Genomic ...

Front Office Python Engineer | Commodities Trading | £700 £750 Inside IR35 | 6 months rolling |[...]

A Front Office Python Engineer is required for a large, complex commodity trading organisation undertaking a strategic incorporation of Python into their Front Office IT. This role will take front office built mock ups and strategically build them in a way that they can be consumed by the wider fro ...

Applications Engineer

Applications Engineer Location: Fareham, Hampshire Salary: £40,000–£60,000 Some International Travel Required Are you an electronics engineer who enjoys a mix of hands-on development, customer interaction, and project delivery? This is a fantastic op ...

Applications Engineer

Applications Engineer Location: Fareham, Hampshire Salary: £40,000–£60,000 Some International Travel Required Are you an electronics engineer who enjoys a mix of hands-on development, customer interaction, and project delivery? This is a fantastic op ...

Senior Software Engineer: Lead & Mentor on Scalable Systems

A leading insurance provider in Greater London is seeking an experienced software engineer proficient in JAVA, .NET, and JavaScript. The role involves consulting with users, guiding teams, and developing innovative software solutions. Candidates must possess a strong programming background and be familiar with A ...

Lead Software Engineer Build Secure, Scalable Systems

A leading technology firm in Cheltenham is seeking a Principal Software Engineer. This role involves leading a team, working through the software development lifecycle, and ensuring customer requirements are met. Candidates should have strong experience in Java or frontend technologies, excellent communication s ...

Hybrid Full Stack Engineer (React & Node.js)

Interactive Investor is seeking a Software Engineer (React & Node.JS) in Manchester. This role involves designing and building scalable applications for various platforms. You will work with a range of technologies, including Java, TypeScript, and multiple cloud solutions. The position offers a salary range of £ ...

Trading Tech Engineer (AM) Associate/VP, London

A leading global financial services firm in London seeks a Software Engineer to join the Asset Management Trading Engineering team. Responsibilities include full-stack development and working closely with traders and portfolio managers to automate trading flows. Ideal candidates should have fluency in Java and e ...

Android Engineer GenAI on Arm for Mobile ML

A leading technology company is seeking an experienced Android Engineer in Cambridge. The role involves implementing GenAI algorithms, optimizing techniques for Arm-based devices, and profiling solutions. Candidates should have strong skills in Android application development and coding in C++ and Java. The comp ...

Hybrid Mobile Engineer – Android & iOS, High Impact

A fitness technology company is seeking a Mobile Engineer to join their agile team. The role involves developing mobile applications for both Android and iOS platforms. Ideal candidates will have experience in programming languages such as Java and Kotlin and demonstrate strong problem-solving skills. This hybri ...

Mobile Electrical Engineer — Field & React Tech

Java Script Works is seeking a Mobile Electrical Engineer in Farnborough, United Kingdom. This full-time position involves reacting to breakdown maintenance requests, maintaining new plant and equipment, and requiring technical awareness of operations in computer rooms, call centers, or trading environments. Can ...

Frontend Engineer — AI Powered UI (React & TypeScript)

Java Script Works is seeking a Front End Engineer in London, United Kingdom. The role focuses on developing high-quality, responsive web applications using React and TypeScript. Candidates should be skilled in translating UI/UX designs into functional user interfaces and collaborating effectively with product de ...

DevOps & Test Lead Security Cleared (Contract)

Java Script Works is seeking a DevOp Engineer / Test Lead to work in Cheltenham, United Kingdom. The position requires hands-on experience in software testing, particularly with automated testing frameworks like Cypress and Cucumber. Applicants should hold security clearance (BPSS / DV) and have previously held ...

D365 Performance Engineer — Azure & Power Platform

Java Script Works is seeking a Dynamics D365 Performance Engineer to focus on managing performance in D365 implementations. This contract position is based in London, United Kingdom, and requires expertise in D365 CE / CRM, Power Platform, and Azure services. Ideal candidates will have strong knowledge ...

Software Engineer – TypeScript SaaS for Data Simulations

Java Script Works is seeking a Software Engineer in London to develop B2B SaaS products using TypeScript and JavaScript. The role involves creating solutions for major brands, working closely with product and commercial teams. Candidates should have experience with PostgreSQL and deploying on Google Cloud Platfo ...

React Native TypeScript App Engineer Lead & Build

Java Script Works is seeking an App Software Engineer in Grimsby, United Kingdom. The role involves writing scalable application code using TypeScript and React Native, mentoring junior engineers, and troubleshooting issues. This position is full-time, contributing to innovative renewable energy solutions. Ideal ...

Staff Backend Engineer (FinTech) Bangkok Relocation

A leading online travel platform is seeking a Staff Software Engineer (FinTech) to design robust backend systems and scalable data pipelines. The ideal candidate has over 8 years of experience with Java, Kotlin, Scala, or C# and a passion for software craftsmanship. This role offers an opportunity to influence A ...

Engineering & Architecture Lead – AI Driven Platform

A global financial services firm is seeking an Engineer/Architect to join their Loans enablement Platform team. The role requires significant experience in software development, particularly in full-stack environments with proficiency in Java and SQL. Responsibilities include leading architecture design, mentori ...

DevOps Engineer: Automation, CI/CD & Microservices

A global investment business is seeking a DevOps Engineer to join their team in Pudsey. This role involves the entire development lifecycle including requirement analysis, system design, and deployment. The ideal candidate will have experience in Agile methodologies, core Java, Spring, and automation testing fra ...

Staff Backend Engineer (FinTech) Bangkok Relocation

A leading online travel platform is seeking a Staff Software Engineer (FinTech) to design robust backend systems and scalable data pipelines. The ideal candidate has over 8 years of experience with Java, Kotlin, Scala, or C# and a passion for software craftsmanship. This role offers an opportunity to influence A ...

Hybrid Mobile Engineer – Android & iOS, High Impact

A fitness technology company is seeking a Mobile Engineer to join their agile team. The role involves developing mobile applications for both Android and iOS platforms. Ideal candidates will have experience in programming languages such as Java and Kotlin and demonstrate strong problem-solving skills. This hybri ...

Senior Software Engineer: Lead & Mentor on Scalable Systems

A leading insurance provider in Greater London is seeking an experienced software engineer proficient in JAVA, .NET, and JavaScript. The role involves consulting with users, guiding teams, and developing innovative software solutions. Candidates must possess a strong programming background and be familiar with A ...

Senior Backend Engineer Bangkok (Relocation)

A leading travel company is seeking a Back End Staff Software Engineer to manage critical systems in Bangkok. This role requires over 10 years of experience in software development using modern programming languages like Scala and Java, coupled with strong database knowledge. The successful candidate will spearh ...

Engineering & Architecture Lead – AI Driven Platform

A global financial services firm is seeking an Engineer/Architect to join their Loans enablement Platform team. The role requires significant experience in software development, particularly in full-stack environments with proficiency in Java and SQL. Responsibilities include leading architecture design, mentori ...

Production Management Senior Engineer Senior Vice President

## Production Management Senior Engineer - Senior Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine ...

UI/UX Software Engineer

Our client, a leader in innovative technology solutions across multiple sectors, is seeking a highly skilled UI/UX Software Engineer to design and develop web applications and user interfaces for cutting-edge systems. This role will involve working within a collaborative team to ensure seamless integration, e ...

UI/UX Software Engineer

Our client, a leader in innovative technology solutions across multiple sectors, is seeking a highly skilled UI/UX Software Engineer to design and develop web applications and user interfaces for cutting-edge systems. This role will involve working within a collaborative team to ensure seamless integration, e ...

Software Engineer

Software Engineer Location: Whiteley (Hybrid / Primarily Home‑Based)Security Clearance: Must hold or be eligible for SC clearance At Leidos, we deliver innovative technology solutions through the expertise of our talented people. In the UK, we work across defence, gov ...

Staff Software Engineer Streaming Software engineering London

Staff Data Engineer – Data & AI Platform Checkout.com is looking for an ambitious Staff Data Engineer to join our Data and AI Platform Team. The team’s mission is to build a platform where you can create reliable, scalable, AI‑powered streaming and batch data applications, and share data across C ...

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    Senior Java Python Engineer Jobs in United Kingdom Job Search Guide, Trends and Insights