Backend & Infra Engineer — Build Scale & Reliability

Company IconGravitas Recruitment Group (Global) Ltd
Location IconLondon

Gravitas Recruitment Group (Global) Ltd is seeking a Backend / Infrastructure Engineer to build systems for their developer-facing software. The role involves both backend engineering and infrastructure responsibilities, ideal for someone who enjo...Read More>>.

Posted: June 6th, 2026
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Senior Python Quant Engineer - Data & Electronic Trading

Company IconLuxoft
Location IconLondon

Luxoft is looking for a Senior Python Data Engineer / Quant Developer to join their team in Greater London. This role involves developing scalable solutions, designing end-to-end data pipelines, and supporting FIX connectivity for high-frequency t...Read More>>.

Posted: June 6th, 2026
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Blockchain Backend Engineer — Rust, Equity Options

Company IconPod Network
Location IconArmagh

A pioneering blockchain firm is seeking a Backend Engineer to shape the infrastructure of its platform. In this role, you will design systems that ensure the platform's efficiency and scalability, while addressing complex challenges in blockchain tec...Read More>>.

Posted: June 6th, 2026
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Full Stack Polyglot Engineer in London - Transparent Technology

Company IconJava Script Works
Location IconLondon

Requirements: We seek candidates with experience in the following areas: Backend Programming: Proficiency in Python, Golang, Node, Java, Kotlin, or any solid programming language. Frontend Development...Read More>>.

Posted: June 6th, 2026
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Hybrid Java Engineering Lead – High-Performance Security

Company IconCloudCo Solutions Ltd
Location IconManchester

CloudCo Solutions Ltd is seeking a Java Developer to take the lead on projects and develop high-quality software solutions. The role requires experience in designing secure Java solutions in complex environments and a commitment to engineering best p...Read More>>.

Posted: June 6th, 2026
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Azure Data Engineering Architect | Airflow & Python Expert

Company IconDECILLION DIGITAL LIMITED
Location IconLeicester

DECILLION DIGITAL LIMITED is seeking a Data Engineering Architect in Leicester, UK. This full-time role focuses on Azure services and Python, offering a compensation range of £55,000 - £65,000 per annum. Ideal candidates should have hands-on experi...Read More>>.

Posted: June 6th, 2026
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React/TypeScript Developer in Belfast - Ocho

Company IconJava Script Works
Location IconBelfast

Salary£100,000 - £100,000 per yearRequirements3 years of experience in frontend development using React and TypeScript.Strong knowledge of modern frontend architecture and best practices.Experienc...Read More>>.

Posted: June 6th, 2026
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Senior Python SDET - Automation for Streaming Devices

Company IconRoku
Location IconCambridge

A leading streaming technology company in Cambridge is seeking a Software Engineer with expertise in Python and automated testing. The position involves developing tools for automated testing on streaming applications, collaborating across functional...Read More>>.

Posted: June 6th, 2026
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Hybrid Full-Stack Engineer (React + Node.js) - Manchester

Company Iconinteractive investor
Location IconManchester

interactive investor in Manchester is seeking a Software Engineer (React & Node.JS) to design, build, and support scalable applications. The role emphasizes collaboration with the engineering team and commitment to high standards in code quality. A c...Read More>>.

Posted: June 6th, 2026
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Hybrid Azure Solution Architect - Enterprise .NET & API

Company IconInvolved Solutions
Location IconLondon

Azure Solution Architect (.NET / React / APIs)Salary: Up to £90,000 + Bonus + BenefitsLocation: Central London - Hybrid (2/3 days per week onsite)...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer - Front-Office Analytics & Trading

Company IconRandstad Digital
Location IconLondon

A leading technology recruitment company is seeking a Senior Python Developer based in London. The role demands an expert in Python with strong DevOps and data processing capabilities. Key responsibilities include designing high-performance financial...Read More>>.

Posted: June 6th, 2026
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Back End Developer - Java Spring Boot

Company IconThe Engage Partnership Recruitment
Location IconLondon

Backend Developer - Java, Spring Boot - Start UpWe are hiring a talented Mid Level Backend Developer to out growing team in London.Hybrid working 1-2 days in office and rest remote3-6yrs hands on back end development usin...Read More>>.

Posted: June 6th, 2026
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Backend Kotlin Engineer - Remote, Flexible Hours, Growth

Company IconVitraCash
Location IconLondon

A leading cashless payment solutions firm in the UK is seeking a backend developer proficient in Kotlin. You will build a secure and performant backend while collaborating with teams to enhance user experience. The role offers significant growth oppo...Read More>>.

Posted: June 6th, 2026
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Quant Dev - Systematic Equities Trading (Python)

Company IconMaven Securities
Location IconLondon

Maven’s Systematic Equities team deploys research-driven strategies across global equity markets, powered by some of the most advanced technology available. Our approach to trading is scientific and process-driven, with a strong emphasis on a...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer, Trust Detection — Remote & Growth

Company IconDepop
Location IconLondon

Depop in Greater London is seeking a Senior Backend Engineer for its Trust Detection team. In this role, you will design and deliver backend solutions, evolve core detection services, and collaborate with ML Engineers on innovative detection systems....Read More>>.

Posted: June 6th, 2026
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Backend Developer

Company IconFogsphere - A Trading Name of Redev AI Ltd.
Location IconLondon

Fogsphere is a London‑based innovator focused on transforming workplace and urban safety through advanced AI, Computer Vision, and Industrial IoT. Built on a principled “Edge‑to‑Fog‑to‑Cloud” architecture, our platform turns passi...Read More>>.

Posted: June 6th, 2026
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Senior Software Developer - Java - £130,000 + Comps - London

Company IconHunter Bond
Location IconLondon

A global financial services organisation is growing a senior Java engineering team to support a strategic, business-critical technology platform. This is a hands-on, senior level role suited to experienced engineers who enjoy working on complex sy...Read More>>.

Posted: June 6th, 2026
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Front-End Engineer in London - Fuse Energy

Company IconJava Script Works
Location IconLondon

Requirements: Bachelor's degree in a highly analytical discipline. Experience: Possess a minimum of 5 years of professional experience in web development using TypeScript, React, JavaScript, HTML, CSS and Next.js (nice...Read More>>.

Posted: June 6th, 2026
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Python / React Developer - Power Trading - London

Company IconOptions Group
Location IconLondon

We are recruiting a Python Desk Developer for a major energy trader (£400bn T/O). The role is focused on the Power business and will involve working closely with Traders, Risk Managers and Software Engineers. The brief is to help...Read More>>.

Posted: June 6th, 2026
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Impactful Full-Stack Developer: Python + React

Company IconJobs via eFinancialCareers
Location IconLondon

Jobs via eFinancialCareers seeks a Full Stack Developer to innovate applications within trading platforms. You'll work closely with commercial teams to understand business requirements and rapidly iterate on solutions using your expertise in Pytho...Read More>>.

Posted: June 6th, 2026
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Software Engineer II - Backend (Ruby)

Company IconCacheflow
Location IconLondon

Welcome to the Agentic Commerce Era At Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI-driven commerce ecosystem. As the parent company of BigCommerce, Feedonomics, and Makeswift, w...Read More>>.

Posted: June 6th, 2026
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Experienced JavaScript Developer in Oxford - Rebellion

Company IconJava Script Works
Location IconOxford

Requirements Experience with NodeJS, Javascript and TypeScript. A knowledge of front end frameworks like Vue and React. Experience with databases such as MySQL and no SQL database. Familiarity with AWS or equivalen...Read More>>.

Posted: June 6th, 2026
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Senior Android & Cloud Engineer — Lead Mobile & Backend

Company IconAmazon
Location Icon

Amazon is seeking a Senior Android Software Engineer for its Ring team in the United Kingdom. This role involves designing and maintaining Android applications, as well as developing cloud-based backend systems that enhance customer experience. Ideal...Read More>>.

Posted: June 6th, 2026
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Front Office Python Engineer for Commodities Trading (Hybrid)

Company IconVirtueTech Recruitment Group
Location IconLondon

VirtueTech Recruitment Group is seeking a Front Office Python Engineer to work in a global energy trading company, developing front office trading systems using Python. You will collaborate closely with front office stakeholders and report to the hea...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer, Global Commerce Platform (Remote)

Company IconSpotify
Location IconLondon

Spotify is looking for an experienced backend engineer to join its Subscriptions Mission team in London or Stockholm. Your role will involve designing and building scalable backend systems, evolving services supporting payments, and collaborating wit...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineering Leader - Backend Systems & AWS

Company IconSocure Inc.
Location IconLondon

A technology firm in Greater London seeks a Manager, Software Engineering, to architect high-performance backend systems on AWS. Ideal candidates have 7+ years in software engineering, strong experience in Golang or Java, and proven leadership in com...Read More>>.

Posted: June 6th, 2026
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Java Full-Stack Engineer - Capital Markets Growth (London)

Company IconMandarin Recruitment
Location IconLondon

Mandarin Recruitment is excited to offer a Java Developer (Full-Stack) role in a London-based Capital Markets company. The ideal candidate will support UK operations, contributing to the company’s global expansion while leveraging expertise in J...Read More>>.

Posted: June 6th, 2026
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Customer-Facing ML & Backend Engineer

Company IconChalk
Location IconLondon

RequirementsTechnical background including experience writing software or building ML models,2+ years experience of professional backend software engineering experience,Proficient in Python, SQL,Ability...Read More>>.

Posted: June 6th, 2026
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Work Day Extend in London - Axiom Software Solutions Limited

Company IconJava Script Works
Location IconLondon

Work Day Extend London, United Kingdom Posted 12 months ago Tech stack JSON Java SQL Git JavaScript General skills Java would also be...Read More>>.

Posted: June 6th, 2026
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React Developer in London - Matchtech

Company IconJava Script Works
Location IconLondon

React Developer Location: London, United Kingdom Type: Contract Compensation: £500 - £600 per day Visa sponsorship: Not provided Job Summary React and TypeScript development in a front‑off...Read More>>.

Posted: June 6th, 2026
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Senior Platform Engineer I - Database Platform - Python

Company IconWise
Location IconLondon

Full-timeCompensation: GBP 87,500 - GBP 111,000 - yearly Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Fu...Read More>>.

Posted: June 6th, 2026
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Staff Software Engineer — Full-Stack & PostgreSQL Pro

Company IconJava Script Works
Location IconLondon

SkillsProficient in Python/Java programming, with a comprehensive understanding of advanced features and best practices.Experience in JavaScript/TypeScript and modern web frameworks (preferably Vue.js).Extensive...Read More>>.

Posted: June 6th, 2026
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Hybrid Full‑Stack Java Engineer — HealthTech Scheduling

Company IconClient Server
Location IconLondon

A leading health technology company is seeking a Full Stack Java Engineer to work on a product that drives efficiencies for the NHS. In this impactful role, you'll re-architect a shift rota application, enhancing it using Java and Angular. The positi...Read More>>.

Posted: June 6th, 2026
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VP Java Engineer, Trading Tech (Equities) – Hybrid

Company IconCitigroup Inc.
Location IconLondon

A leading global financial services firm in Greater London is seeking a Software Engineer for its Equities Technology team. The role involves collaborating with global teams and delivering business solutions through agile methodologies. Required qual...Read More>>.

Posted: June 6th, 2026
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SFMC Marketing Cloud Developer: Journeys & API Integrations

Company IconSavant Recruitment
Location IconLondon

A recruitment agency in London is seeking a Salesforce Marketing Cloud Developer to collaborate with a cross-functional team in building personalized consumer journeys and templates. The desired candidate should have expertise in Salesforce Marketing...Read More>>.

Posted: June 6th, 2026
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Hybrid Software Engineering Team Lead – React/Python

Company IconUtilita Energy Ltd
Location IconOxford

Utilita Energy Ltd is seeking a Software Engineering Team Leader in the UK, specifically for a hybrid role in Chandlers Ford or Oxford. This position offers a salary around £60k with a discretionary bonus scheme, emphasizing both technical leader...Read More>>.

Posted: June 6th, 2026
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Mid-Level Python Developer - Remote First

Company IconOliver Bernard
Location Icon

OverviewMid-Level Python Developer - Remote First. OB have partnered with a FinTech company looking to add 2 x Mid-Level Python Developers to their engineering team. You will have the opportunity to work closely with the CTO & Head of...Read More>>.

Posted: June 6th, 2026
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Identity & API Engineer — Cloud IAM & Pub/Sub

Company IconN Consulting Global
Location IconSheffield

A global consulting firm is seeking a highly skilled Application Developer to focus on identity API development within the Google Cloud Platform. The role requires experience in building secure, scalable identity workflows and integrating identity se...Read More>>.

Posted: June 6th, 2026
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Senior Java Engineer - AWS & BPMN Architect

Company IconKainos
Location IconBudock Water

A leading technology firm in Budock Water is seeking a Senior Software Engineer to develop high-quality solutions that will impact users worldwide. The role requires strong experience in Java and AWS, as well as the ability to make reasoned decisions...Read More>>.

Posted: June 6th, 2026
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Hybrid Full-Stack Java & React Engineer

Company IconInteractive Investor
Location IconManchester

Title: Full Stack Java & React Software Engineer (Mid-Level) Location: Hybrid, 3 days a week in Manchester, 2 day remote Salary: From £50,000 Purpose of the role The role is to design, build a...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Java)

Company IconTP ICAP Group Services Ltd
Location IconLondon

Role OverviewTP ICAP are looking for a Senior Java Developer delivering low‑latency, highly available trading system components with deep expertise in Java, FIX connectivity, and distributed real‑time messaging. In this role, you w...Read More>>.

Posted: June 6th, 2026
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Web / Mobile Developer in Southampton - Deerfoot Recruitment Solutions Limited

Company IconJava Script Works
Location IconSouthampton

Salary: £40,000 - 70,000 per year Requirements We are looking for candidates with solid experience in cross-platform mobile development for iOS and Android, ideally with Next.js. A strong proficiency in React, Ne...Read More>>.

Posted: June 6th, 2026
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Senior Lead Java Engineer — Global Liquidity Tech

Company IconJPMorganChase
Location IconLondon

A global financial institution is seeking agile technologists to join their Global Liquidity Technology team in London. Candidates should possess excellent knowledge of core Java (17+) and practice TDD and BDD engineering techniques. The role involve...Read More>>.

Posted: June 6th, 2026
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Cloud-Native Java Engineer — Fintech Growth

Company IconLT Harper Recruitment Group
Location IconLondon

LT Harper Recruitment Group is seeking a Software Engineer to join a growing fintech company in London. You will work on scalable, cloud-native applications that enhance investment workflows and infrastructure.With a commitment to support a...Read More>>.

Posted: June 6th, 2026
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Remote Data Test Engineer | Ecommerce & API Testing

Company Iconpcscs
Location IconSwindon

pcscs is seeking a skilled Data Test Engineer in Swindon to join an ecommerce-related POC project. In this permanent position, you will be responsible for testing web applications, payment gateway data flows, and conducting integration testing....Read More>>.

Posted: June 6th, 2026
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Platform Lead Engineer — IAM & Full-Stack Leader

Company IconJava Script Works
Location IconCambridge

QualificationsExpertise in IAM and authentication protocols such as OAuth2, OIDC, and SAML. Solid coding/scripting skills (e.g., Python, Go, TypeScript). Excellent leadership, communication, and mentoring abilities. Comfortable working...Read More>>.

Posted: June 6th, 2026
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Python Quant Developer | High-Frequency Trading Team

Company IconSelby Jennings
Location IconLondon

Python Quant Developer | High-Frequency Trading Team We are working with a leading traditional and digital asset trading firm whose mission is to build a global financial institution designed for market integrity and efficiency. They a...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer — Global Banking Platform (Hybrid)

Company IconStarling
Location IconCardiff

Starling is seeking a Backend Software Engineer to work on the Engine Platform, enhancing existing features for banks worldwide and creating new offerings not yet available in the UK market. As part of a hybrid working model based in Cardiff, candida...Read More>>.

Posted: June 6th, 2026
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Software Engineers - React, Python, AWS

Company IconFuture Talent Group
Location IconOxford

International UAS / UAV / Aerospace Company Front End Engineers (React.js) Back End Engineers (Python) Full Stack Engineers (React.js + Python + AWS) We’re expanding a...Read More>>.

Posted: June 6th, 2026
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Naimuri - Frontend Software Engineer in Manchester - QinetiQ

Company IconJava Script Works
Location IconManchester

Qualifications Proven professional experience as a Frontend Software Engineer or similar role (3-4+ years). Strong proficiency in JavaScript (ES6+), TypeScript. Expertise in React. Solid understanding of web markup...Read More>>.

Posted: June 6th, 2026
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