Senior JavaScript Engineer — Node.js & Web Apps

Company IconConsortio RG Ltd
Location Icon

An innovative technology company in the United Kingdom is seeking a developer to work on web applications using JavaScript on Node.js. The role involves collaborating on technical solutions and architecture design as well as developing applications i...Read More>>.

Posted: June 6th, 2026
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Software Development Team Lead — Lead with C#/React

Company IconJava Script Works
Location IconBracknell

Preferred Experience If you have experience with any of the following, it will be advantageous: Latest versions of .NET AI and Machine Learning JavaScript, TypeScript, and associated frameworks C...Read More>>.

Posted: June 6th, 2026
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Security engineer REF 885

Company IconInterface Recruitment UK
Location IconLeeds

Pension / 23 days holidays (Buy and sell 5) / Life AssuranceAdditional Benefits:Free ParkingRegion:West YorkshireDescriptionJob Title: Infras...Read More>>.

Posted: June 6th, 2026
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Hybrid Backend Engineer (C++, Rust) Low-Latency Trading

Company IconClient Server
Location IconLondon

A leading trading firm in Greater London is seeking a skilled Backend Software Engineer to develop high throughput low-latency backend services using C++ and Rust for trading engines. You'll be part of a collaborative team with opportunities for remo...Read More>>.

Posted: June 6th, 2026
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Remote Full-Stack Engineer II (Python) — Build Data Tools

Company IconMintel International
Location IconLondon

A leading market intelligence firm in Greater London is seeking a Full Stack Software Engineer to develop and maintain internal tools that streamline insights delivery. You will collaborate with technical consultants, design intuitive user interfaces...Read More>>.

Posted: June 6th, 2026
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Cloud-Native Fullstack Engineer: Python + Angular

Company IconSynergy Solutions Limited
Location IconLondon

A leading technology consultancy in the United Kingdom is seeking a Full Stack Python Developer to join their strategic digital programmes. The role involves working with backend systems using Python and frontend frameworks like Angular, focusing on...Read More>>.

Posted: June 6th, 2026
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Senior Java Algo Engineer - Fixed Income Trading

Company IconCitigroup Inc.
Location IconLondon

Citigroup Inc. seeks an experienced software engineer for its Fixed Income Algo technology team in Greater London. You will design reusable trading platform components and collaborate with traders and product managers to implement enhancements. The i...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer & Tech Lead (Hybrid)

Company IconJava Script Works
Location IconLondon

A leading events management platform in Greater London seeks a Senior Full Stack Engineer to lead a dynamic team. The role entails architecture and feature development for a web platform, requiring strong full-stack skills in technologies like Node.j...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack Engineer C# Python AWS

Company IconClient Server
Location IconLondon

Senior Full Stack Engineer C# Python AWS (PR/100657) London, England Salary: GBP150000 - GBP180000 per annum + benefits Senior Full Stack Engineer / Developer (C# Python AWS SQL IaC) London 12 month FTC to £180k A...Read More>>.

Posted: June 6th, 2026
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Lead Software Engineer- Java- JPM Personal Investing

Company IconJPMorgan Chase & Co.
Location IconLondon

Job Responsibilities Work with the Product team to understand user's needs and follow an Agile SDLC to develop and deliver product features. Our stack is Java/Springboot with a bit of Kotlin, DynamoDB, Aurora/MySQL and AWS....Read More>>.

Posted: June 6th, 2026
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Lead Backend Engineer — Scale-Driven Distributed Systems

Company Icon5V Video
Location IconLondon

5V Video in Greater London is seeking a Senior Backend Engineer to build and scale backend systems for a large streaming platform. The role involves leading the development of scalable APIs and microservices using Python and AWS, while fostering obse...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer - Hybrid Cloud & AI

Company IconIBM Computing
Location IconLondon

A leading technology company in Greater London is seeking a Senior Java Developer to support Public Sector and Defence clients. The role involves designing and building high-quality applications using Java and JEE technologies. Ideal candidates will...Read More>>.

Posted: June 6th, 2026
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Material Scientist with Python - Freelance AI Trainer

Company IconMindrift
Location IconBirmingham

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. What This Opportunity Involves Design original material engineering pr...Read More>>.

Posted: June 6th, 2026
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Principal Front-End Engineer: React & TS

Company IconJava Script Works
Location IconNewcastle upon Tyne

Java Script Works is seeking a Principal Front-End Engineer based in Newcastle upon Tyne. This role focuses on leading the development of high-quality UI components using React and TypeScript, while collaborating with designers and backend enginee...Read More>>.

Posted: June 6th, 2026
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Senior QA Engineer in London - MILE

Company IconJava Script Works
Location IconLondon

Job Opportunity: Senior QA Engineer We are currently seeking a Senior QA Engineer to join our expanding team. In this role, you will be responsible for maintaining the highest standards of quality across various platforms, including our...Read More>>.

Posted: June 6th, 2026
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Remote Backend Engineering Lead – FinTech Platform

Company IconM-KOPA
Location IconCity of Edinburgh

M-KOPA is looking for a Backend Engineering Team Lead to drive the new loan origination architecture and compliance systems. Your work will significantly impact how millions access credit across Africa.You will lead a team of backend engine...Read More>>.

Posted: June 6th, 2026
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Senior Pipeline Engineer – VFX & Animation

Company IconJava Script Works
Location IconLondon

Qualifications Expert proficiency in Python. Strong experience with other languages such as C++ and JavaScript is a plus. Deep understanding of software development best practices including version control (Git), testing, CI/CD, and co...Read More>>.

Posted: June 6th, 2026
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Mulesoft Technical Lead (IT) in London - LA International Computer Consultants Ltd

Company IconJava Script Works
Location IconLondon

Mulesoft Technical Lead (IT) London, United Kingdom Posted 7 months ago This is a job posted by our partner Jooble Tech stack SQL Cloud Java Mule ESB API...Read More>>.

Posted: June 6th, 2026
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Real-Time Trading SRE: Linux, Python & Networking

Company IconHuntress Talent
Location IconLondon

Huntress Talent is seeking an IT professional to monitor and manage real-time trading systems. You'll be responsible for ensuring operational efficiency by overseeing market transactions and resolving system issues. The ideal candidate has over 2 yea...Read More>>.

Posted: June 6th, 2026
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Principal Java Engineer - Hybrid/Remote, Secure Software

Company IconBright Purple
Location IconCity of Edinburgh

Bright Purple is seeking a skilled Principal Java Software Engineer to join their Edinburgh office on a hybrid basis. This role involves developing complex Java software and supporting a global workforce using cutting-edge technology.The id...Read More>>.

Posted: June 6th, 2026
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Senior Trader & Portfolio Manager — Intra-day, Python-Driven

Company IconMaisha Mazuri
Location IconLondon

A leading trading recruitment firm is seeking an Experienced Trader / Portfolio Manager to join their partners in London. This role offers a competitive salary ranging from £100,000 to £150,000 gross per annum, along with the opportunity to set up...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer — GCP & Big Data (Hybrid)

Company IconVanRath
Location IconBelfast

VanRath is seeking an experienced Java Contractor to join their team in Belfast (Hybrid - 2 days per week onsite). The role involves developing and maintaining high-performance Java applications in a leading global FinTech organisation. Candidates sh...Read More>>.

Posted: June 6th, 2026
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Principal Java Engineer: Remote Lead Architecture

Company IconSolirius Consulting
Location IconLondon

A technology consultancy firm in Greater London is seeking a Principal Engineer specializing in Java. You will drive innovation, lead technical teams and contribute to cutting-edge solutions. Candidates should exhibit technical leadership, software a...Read More>>.

Posted: June 6th, 2026
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Engineering Manager: Java AI for FinTech (Hybrid)

Company IconClient Server
Location IconLondon

A leading technology recruitment firm in the UK is seeking an Engineering Manager (Java AI) to lead a team of AI Engineers. This role requires strong technical leadership skills and a solid background in software engineering, particularly in Java and...Read More>>.

Posted: June 6th, 2026
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Senior QA Engineer in Shirebrook - Frasers Group

Company IconJava Script Works
Location IconShirebrook

Senior QA EngineerShirebrook, UnitedKingdomPosted 10 months agoThis is a job posted by our partner JoobleTech stackSeleniumAzureJavaScriptGCPAmazon AWSType...Read More>>.

Posted: June 6th, 2026
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Senior Consulting Engineer (Armakuni Network - Contractor... in London - Armakuni

Company IconJava Script Works
Location IconLondon

Senior Consulting Engineer (Armakuni Network - Contractor) London, United Kingdom Posted 11 months ago Tech stack Node.js Amazon AWS Python GCP Java React...Read More>>.

Posted: June 6th, 2026
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Senior Product Engineer [Backend] (£95,000-£125,000 + Equity) at Attio.com

Company IconJack & Jill/External ATS
Location IconLondon

Senior Product Engineer (Backend) (£95,000-£125,000 + Equity) at Attio.com - AI-native CRM Company Description Attio.com - $116M Series B CRM startup backed by GV and Redpoint Job Description Join the te...Read More>>.

Posted: June 6th, 2026
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Senior React Developer in London - With Intelligence

Company IconJava Script Works
Location IconLondon

Job Opportunity: Senior React Developer With Intelligence is looking for Senior React Developers to join our talented and collaborative engineering team. We're currently scaling up our product base, leveraging the advances in data tech...Read More>>.

Posted: June 6th, 2026
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Senior Reporting Analyst - Power BI/APIs - New Role (REF44)

Company IconRedRock Resourcing
Location IconCity of Edinburgh

Senior Reporting Analyst - Power BI/APIs - New Role (REF44)Get AI-powered advice on this job and more exclusive features.Direct message the job poster from RedRock ResourcingSenior Reporting Analyst - Power BI/API - Ne...Read More>>.

Posted: June 6th, 2026
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Senior eFX Quant Trader with ML & Python

Company IconUBS
Location IconLondon

UBS is looking for a full-time FX Trader in London to enhance their electronic FX Trading systems. The role involves generating improvement ideas, developing models in Python, and monitoring system performance. Candidates should have a Master's in a...Read More>>.

Posted: June 6th, 2026
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Analyst, Graduate Programme 2026, Management Consulting - Spring hiring cycle

Company IconCarnall-Farrar
Location IconLondon

Your rewarding career starts here. This is your opportunity to join an innovative healthcare consulting firm as an Analyst, working to provide innovative solutions to improve healthcare across a range of markets. About the company...Read More>>.

Posted: June 6th, 2026
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Computational Scientist: Python ML for Imagery (Onsite)

Company IconCranleigh Scientific Ltd
Location IconOxford

Cranleigh Scientific Ltd in Oxford seeks a Computational Scientist to join their team. The successful candidate will utilize strong Python programming skills to develop algorithms and enhance software. This full-time, onsite role requires expertise i...Read More>>.

Posted: June 6th, 2026
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Senior Python DevSecOps Engineer — CI/CD & Security

Company IconHOK Consulting - Technical Recruitment Consultancy
Location IconBirmingham

Job Title: Python Engineer (DevOps experience) Location: UK Based Remote (Travel to Birmingham / Sheffield when needed) We are seeking a Python Engineer to build and enhance secure, scalable Jenkins Shared Libraries supporting...Read More>>.

Posted: June 6th, 2026
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Front Office Java Engineer - Greenfield, Hybrid London

Company IconHunter Bond
Location Icon

An elite investment institution in London is seeking a Front Office Java Developer to join their team. In this hybrid role, you will build out high-performance pricing and analytics tools with the latest Java versions. The company values its software...Read More>>.

Posted: June 6th, 2026
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Senior Python Full-Stack Dev (Flask) | AWS | Hybrid

Company IconJackson Hogg
Location IconNewcastle upon Tyne

Jackson Hogg is supporting a client seeking a Senior Python Full Stack Developer in Newcastle upon Tyne. This hybrid role focuses on web application development with a strong emphasis on utilizing Python Flask and Jinja 2. Candidates should have expe...Read More>>.

Posted: June 6th, 2026
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Real-Time Liquidity Dashboard Engineer (Java + React)

Company IconJPMorgan Chase & Co.
Location IconBournemouth

JPMorgan Chase & Co. is looking for a Software Engineer II to join their Global Liquidity and Cash Management Technology team in Bournemouth. This role focuses on developing a real-time client liquidity dashboard using Java and ReactJs. You will cont...Read More>>.

Posted: June 6th, 2026
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React Native Mobile App Developer in Banbury - Hireful

Company IconJava Script Works
Location IconBanbury

Qualifications for the Mobile App Developer PositionHere are the qualifications expected for the Mobile App Developer position:Experience in full mobile app development lifecycle (design, development, test, release, and support)...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack PHP/Symfony Engineer (Remote UK)

Company IconSeek and Code
Location IconManchester

Full Stack Developer (PHP / React / Typescript / Symfony) My client is hiring a Full Stack Developer to join their fully remote UK team, building and scaling a high-traffic platform. You must have full rights to work i...Read More>>.

Posted: June 6th, 2026
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Front-Office Python Analytics for Investment Dashboards

Company IconQh4 Consulting
Location IconLondon

Qh4 Consulting is hiring a Python Developer in the Greater London area to join their specialized quant and analytics team. This role involves developing production-grade Python analytics and dashboards for direct use by investment teams, ensuring...Read More>>.

Posted: June 6th, 2026
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Senior PHP/Laravel Engineer - Hybrid, High-Impact Role

Company Icon慨正橡扯
Location IconManchester

Street Group is seeking a Senior Software Engineer to join their team in Manchester, offering a hybrid work option with up to 4 days work from home per week. The salary ranges from £40,000 to £60,000, depending on experience. In this role, you w...Read More>>.

Posted: June 6th, 2026
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Senior Python & React Engineer - Full-Stack, Remote

Company IconNPAworldwide
Location IconGloucester

A mission-led consultancy is hiring Full Stack Python/React Developers to create modern software solutions for the UK Government and Defence sector. You will work in a high-trust, agile team focused on developing secure, scalable systems. Candidates...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer (Go) - Remote UK

Company IconRollbar, Inc.
Location Icon

Overview Want to make the most of AI as part of the development process? Would you describe yourself as an engineer who owns product outcomes, not just code? Want to work in a small, well-established, profitable and secure company, set...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer - Low-Latency Payments, Hybrid UK/US

Company IconRE Partners
Location IconLondon

A technology consulting firm is seeking a Principal Java Engineer to join their high-performing engineering team in London. This hybrid role involves designing low-latency, high-throughput systems and optimizing backend services using Java. Ideal can...Read More>>.

Posted: June 6th, 2026
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Technical Solution Architect — Cloud & Full-Stack Lead London

Company IconJava Script Works
Location IconLondon

Technical Solution Architect – Capgi London, United Kingdom Posted 12 months ago Tech Stack JavaScript Angular React Java Python TypeScript AWS...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer, Quant trading - Java in London - Quant Capital

Company IconQuant Capital
Location IconLondon

Senior Software Engineer, Quant Trading - Java London, United Kingdom £150,000-200,000 + £50-80k bonus Quant Capital is urgently looking for a Senior Software Engineer to join our high profile client. Join a lead...Read More>>.

Posted: June 6th, 2026
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Front-Office FX Software Engineer (C#/Java)

Company IconCrédit Agricole Group
Location IconLondon

Crédit Agricole Group is seeking a Developer in Greater London. The successful candidate will work closely with traders and operational staff, enhancing front-office systems for foreign exchange. Candidates should have experience in C# or Java, some...Read More>>.

Posted: June 6th, 2026
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Mid-Level Rails Backend Engineer – Scale Subscriptions

Company IconRaylo
Location IconLondon

A growing tech company in the UK is seeking a Mid-Level Backend Engineer to join their ambitious team. The role involves building and maintaining backend services with Ruby on Rails, collaborating cross-functionally, and ensuring performance and scal...Read More>>.

Posted: June 6th, 2026
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Senior YugabyteDB Platform Engineer - Python & Automation

Company Iconhackajob
Location IconLondon

Wise is seeking a Senior Platform Engineer to join their Database Platform team in London. You will design, build, and operate a scalable, reliable internal cloud-based database platform, primarily using YugabyteDB. Your role will involve leading...Read More>>.

Posted: June 6th, 2026
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Frontend Technical Architect in London - Quant Capital

Company IconJava Script Works
Location IconLondon

Job Description My client is based in South West London. Quant Capital is urgently looking for a Technical Architect with strong frontend JavaScript Experience to join our well-known Fintech client, who is a recognized wealth management...Read More>>.

Posted: June 6th, 2026
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Python Engineer – Real-Time Trading Systems (HFT)

Company IconDurlston Partners
Location Icon

A leading recruitment agency seeks a Python Software Engineer for a high-frequency trading firm in the UK. This role involves developing systems for real-time market data and trade execution while ensuring performance optimization in a dynamic enviro...Read More>>.

Posted: June 6th, 2026
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