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Security Cleared Software Engineer Cloud, Agile & Growth

A growing technology company in the UK is looking for Software Engineers to design and maintain high-quality software systems. This role involves working on meaningful projects in a flexible environment. Candidates should have strong foundational skills in software engineering, with experience in languages like ...

Senior Real Time Trading Systems Developer

White Swan Data seeks a Senior Software Developer in London to join our dynamic engineering team. You'll design and develop low-latency data processing pipelines and maintain integrations with trading platforms. Ideal candidates will have proficiency in Python, Java, and Google Cloud Platform, along with expe ...

Senior Real Time Trading Systems Engineer

White Swan Data is seeking a Senior Software Developer to join our Engineering team in London. You'll design and optimize low-latency data processing systems that execute automated trading strategies. A dynamic environment fosters collaboration and innovation, where your contributions significantly impact our ...

Senior Staff Backend Architect – Global, Equity Options

Metropolis is seeking a Senior Staff Software Engineer to join our AeroParker team in Stockport. This role encompasses driving the technical strategy for our pre-book mobility platform and managing complex distributed systems while ensuring their scalability and reliability. The ideal candidate has ext ...

Senior ML Engineer, AdTech Platform (Hybrid)

Roku, Inc. is seeking a seasoned machine learning engineer to build a cutting-edge platform, managing feature engineering and model lifecycle. The ideal candidate has 6+ years in applied machine learning, coding skills in Python or Java, and experience with distributed frameworks like Spark. The positi ...

Software Engineer III — Fintech, Cloud Native

JPMorgan Chase & Co. is looking for a Software Engineer III to join their Accelerator team in Greater London. This role involves utilizing domain modeling to develop innovative products and ensuring high standards of software quality and security. The ideal candidate should have a strong foundation in ...

Applied Scientist, Prime Video Commerce Personalization

Amazon in Greater London is seeking an Applied Scientist for Prime Video Commerce Insights. You will innovate and implement recommendation systems that enhance customer experiences using advanced machine learning techniques. This role involves collaborating with engineers and providing thought leadersh ...

Staff Software Engineer Global Backend Architect

Numi is looking for a Staff Software Engineer to join their e-commerce and mobility platform team in Manchester. This role requires advanced knowledge of Scala or Java and a passion for mentoring senior engineers while driving technical direction across global platforms. The ideal candidate will have e ...

Embedded Test Automation Engineer for IoT Medical Devices

Medtronic is seeking a Software Development Engineer in Test to enhance our software testing lifecycle through the development of automated test solutions. Your role will encompass designing, developing, and maintaining automated frameworks, specifically for embedded systems used in operating rooms. Ca ...

DevSecOps Security Lead: Cloud, Apps & SDLC

Limelight Health is seeking an Application Security Specialist based in Knutsford, England. In this critical role, you will safeguard the bank's technology landscape by leading DevSecOps and Application Security initiatives, embedding security controls across the software development lifecycle. The ide ...

Remote Software Engineer Flexible Hours & Cloud

hackajob in Bristol is seeking a Software Engineer to contribute to planning and delivery across a variety of technologies in an agile environment. Key responsibilities include writing code using test-driven development, working with databases and cloud platforms, and mentoring teammates. The ideal candidate is ...

Senior Machine Learning Engineer AdTech Platform

Roku is seeking a seasoned machine learning engineer to join our Ad Performance team in Manchester. This role involves building cutting-edge advertising technology aimed at improving campaign effectiveness through advanced ML methodologies and data analysis. The ideal candidate will have a strong backg ...

Senior Backend Engineer Real Time Data & Integration

4C Strategies in Warminster is looking for a Senior Backend Engineer to join their team, focusing on integrating the Exonaut platform with various systems. This role demands a capable engineer who can thrive in ambiguous environments, taking ownership of backend projects and mentoring fellow engineers. <p ...

Cloud DevOps Engineer AWS, Terraform & Kubernetes

Mercator Group is seeking a Software Developer (Java) for their Crowborough office. In this role, you will design and optimise cloud infrastructures, primarily using AWS, and work closely with client teams to deliver impactful digital services. The ideal candidate will possess substantial experience wi ...

Automation Test Engineer – Flexible/Remote

Version 1, a leading technology partner in the UK, is seeking a Software Engineer in Test to enhance their agile team. You'll conduct both manual and automation testing to support and drive business transformation for clients. The role demands a background in automated quality assurance, confidence in ...

Staff Platform Engineer, Payments & Internal Tools

Marks & Spencer Plc is seeking a passionate Staff Software Engineer to develop platforms and tools that support engineering teams. The ideal candidate will have a strong cloud knowledge, particularly in Azure, and experience in polyglot programming, specifically in Java. The role involves building high ...

Principal Embedded App Engineer — Mission Critical Radios

Sepura plc. is looking for a Principal Embedded Application Engineer to join their Software Team. This role focuses on developing embedded application software for digital radio products on embedded Linux and Android platforms. The ideal candidate will have over 10 years of experience in Linux and Andr ...

Senior eFX Developer (VP) – Low Latency FX Trading Lead

EC1 Partners is seeking a Senior eFX Developer to join the London team. This role involves developing cutting-edge high-performance trading systems in Java and Rust and working closely with trading and quant teams. The ideal candidate will have over 10 years of software development experience in financ ...

Senior Backend Engineer Portfolio Data Workflows

Addepar, located in Edinburgh, is seeking a Staff Backend Software Engineer to enhance their Portfolio Data Workflows team. You will play a critical role in designing and implementing API services that support a growing European market. This position offers substantial technical leadership opportunities in a ...

Applied Scientist, Agentic AI & Formal Verification

Amazon is looking for an Applied Scientist for the Agentic Automated Reasoning Group in London. This role involves pioneering software verification tools utilizing AI and cloud capabilities. You will collaborate with teams and leverage innovative techniques for code analysis and verification. A Master’ ...

Senior Real Time Ad Auction Engineer

Roku, Inc. in Cambridge is looking for a skilled engineer to contribute to the Ads Auction and Marketplace systems for their CTV advertising platform. This role focuses on real-time decision-making, system optimization, and collaboration with various teams to ensure effective auction strategies. The id ...

Software Engineer Data Discovery & AI Search

The 1000 European Molecular Biology Laboratory is seeking a dynamic Software Engineer to join the EBI Search project. This role involves integrating biological data and metadata, developing web services, and enhancing user experience through AI technologies. Applicants should have a degree in Computer ...

Platform Engineer: Build the Global Risk Platform

Wise is looking for a Platform Engineer in the Risk Domain to help build systems for safe global products. You'll work at the intersection of product and risk, crafting foundational services that enable internal teams to ship faster and smarter. Strong backend programming skills in Java, Python, or Go ...

Lead Software Engineer: Cloud SaaS & Modernization

Centaur Labs is looking for a Senior Software Engineer to strengthen and modernize its automation solutions. In this role, you'll collaborate with a distributed team to design and develop complex enterprise applications, employing Java, Spring Boot, and AWS technologies. The ideal candidate will have e ...

Test Lead — Automation & UAT Orchestrator (Hybrid)

Hastings Direct is looking for a dedicated testing professional to manage release test schedules, create automated test suites, and identify testing gaps. The role requires experience in front-end, back-end, and API testing, along with test automation skills using programming languages like Java or Python. </ ...

Applied Scientist, Agentic AI & Formal Verification

Amazon is looking for an Applied Scientist for the Agentic Automated Reasoning Group in London. This role involves pioneering software verification tools utilizing AI and cloud capabilities. You will collaborate with teams and leverage innovative techniques for code analysis and verification.A Master’s ...

Applied Scientist: Ad Matching & Personalization

Amazon Development Centre (London) Limited is seeking an Applied Scientist to optimize ad matching in programmatic advertisements. Responsibilities include designing deep learning models and improving their performance. Candidates should have strong programming skills in Java, C++, or Python along with a rele ...

Senior Software Engineer – Scale Search & Recommendations

Roku is seeking a Senior Software Engineer to build large-scale services relied on by millions. You will collaborate with product teams to iterate from concept to production. Ideal candidates possess strong Java skills and experience with AWS and caching technologies. This role supports a hybrid work e ...

Staff Software Engineer — FinTech Payments Platform

慨正橡扯 is inviting applications for a Staff Software Engineer role located in London. This position plays a crucial role in enhancing our software development and operational practices in a fintech environment. The ideal candidate will demonstrate deep expertise in backend engineering, with proficiency i ...

Senior Linux Engineer Kernel, Clusters & Automation

Oliver Bernard is seeking a Senior Linux Engineer in London to join their Infrastructure team. You will develop software, filesystems, and tools while collaborating with talented professionals. The position includes projects such as creating a bespoke filesystem and automating monitoring systems. Candi ...

Remote Backend Engineer – Gaming Microservices

Climax Studios is seeking a talented fully remote Software Engineer based in the UK or EU. You will collaborate with backend engineers on game development projects, delivering backend services and implementing features to high standards. The successful candidate will have experience in game development ...

Senior Software Engineer — Scale Robust, Secure Systems (Hybrid)

A fintech startup in London is searching for a Senior Software Engineer to implement robust systems for their rapidly growing app. The ideal candidate will have extensive experience with high-volume applications and proficiency in various programming languages, including Python and Java. This role includes hybri ...

Senior T24 Developer: Upgrades, Migrations & TAFC/TAFJ

TestYantra Software Solutions is looking for a skilled software engineer with 5–7 years of experience in Temenos T24 / Transact to support migration projects and database transitions. Candidates must demonstrate expertise in TAFC to TAFJ migrations and strong technical knowledge of Java-based runtimes. <p ...

Senior API Test Engineer – Automation & Quality Lead

Amber Labs Ltd is seeking a skilled App Remediation specialist in Manchester to design and maintain API automation frameworks. The role calls for collaboration with developers, analysts, and DevOps engineers to build scalable solutions and implement test strategies. Ideal candidates should exhibit stro ...

Senior Backend Engineer Scalable Payments Platform

United States Digital Space LLC is seeking a candidate to join their Contacts team, focusing on scaling backend solutions for a recipient management product. Your role will involve collaborating closely with engineers and designers, ensuring customer experience is at the forefront of development. Ideal ...

Senior Software Engineer: AI Driven Solutions (Hybrid UK)

United States Digital Space LLC is seeking a Senior Engineer to contribute to high-stakes projects in London. You will write production-quality code using languages such as Python, Java, and TypeScript while collaborating closely with teams and clients. With a commitment to continuous learning, you wil ...

Documentum ECM Engineer — AWS Cloud, SC Cleared, Onsite

Experis - ManpowerGroup in Telford is seeking a Documentum ECM Developer for a hands-on engineering role in an AWS environment. You will design, develop, and maintain OpenText Documentum solutions, contributing to cloud-based deployments and implementing DevOps best practices. The ideal candidate has s ...

Senior Quantitative Software Engineer Trading Algorithms

Morgan Stanley is seeking a Senior Quantitative Software Engineer at the Vice President level to join their FIDCOM department in Greater London. This role focuses on developing trading critical technologies, such as market making engines, and enhancing algorithmic trading capabilities. The ideal candid ...

Senior Software Engineer Secure Cloud & On site (SC/DV)

Gemba Advantage, based in Cheltenham, is seeking Senior and Principal Engineers to design and build secure, scalable software. This hybrid role requires candidates to hold active SC or DV clearance and a strong technical background in languages like Java, TypeScript, or Python. As part of an agile team ...

Frontend Audit Engineer & Analyst — Build Financial Apps

Goldman Sachs is seeking a Software Engineer to design and implement software solutions that enhance auditing services. The role includes collaborating with other engineering teams and requires strong communication skills, analytical thinking, and a background in Java development. Qualifications includ ...

Engineering Manager — Lead High Impact Dev Teams

3761 Barclays - BX - UK in Glasgow is seeking a technical leader to manage engineering teams, providing mentorship and ensuring high-quality software delivery. The ideal candidate will possess strong experience in Java and AWS, capable of integrating Agile and DevSecOps methodologies. This role require ...

Senior Backend Engineer: AI Secure Integrations

Ten Eleven Ventures is seeking a Backend Engineer to design and maintain scalable integrations between core applications and security platforms. This hands-on role will focus on building backend services in a microservices architecture, ensuring operational efficiency and security best practices. The i ...

Back‑Office Platform Engineer – Modernize & Automate

Capstone Investment Advisors is seeking an engineer to join the Enterprise Engineering team focused on upgrading technology platforms. The ideal candidate will partner with business stakeholders to deliver high-quality solutions, maintaining and modernizing our proprietary back-office platform, BOSS. C ...

Senior Kotlin Backend Engineer Cloud Microservices Lead

RedRock Consulting is looking for an experienced Senior Backend Engineer to join a high-performing engineering team delivering digital services for a major UK Government client. You will focus on developing scalable backend services and enhancing microservices-based applications. The ideal candidate sh ...

FX Algo Quant: Build Pricing & Risk Models

Citi is seeking a Quantitative Analyst to join the FX Algo Quant team, focusing on FX Swaps and curve construction. The role involves creating and improving models for pricing and risk management, requiring strong communication skills and commercial awareness. The ideal candidate will have relevant exp ...

Principal Engineer, Personalisation & AI UX (Hybrid)

Marks & Spencer Plc is seeking a Principal Engineer to shape our technical direction in the Personalisation product group. This role involves designing scalable systems for personalisation, search, and AI-powered features while driving engineering standards and collaborating closely with cross-functional teams. ...

Low Latency E Trading Engineer | Hybrid & High Impact

Citi is seeking a Software Engineer within its Equities Technology team in Greater London. The role focuses on designing and developing low-latency execution platforms for electronic trading. Key responsibilities include core development, collaboration with traders for product features, and improving t ...

Automation Test Engineer: AI Driven QA & CI/CD Expert

3761 Barclays - BX - UK is seeking a skilled professional in Bournemouth, England, to design and execute software testing strategies. The role involves collaboration with cross-functional teams to ensure software quality through developing test plans, creating automated scripts, and performing root cause anal ...

Elasticsearch Distributed Systems Principal Engineer

Elastic is seeking a Principal Software Engineer I to join the Elasticsearch - Distributed Systems team in Greater London. This role focuses on enhancing Elasticsearch’s scale, performance, and resilience, particularly in how nodes communicate and manage data efficiently. Ideal candidates will have st ...

Senior Platform Engineer Scalable APIs & TDD

Proxime Limited seeks an experienced Senior Software Developer in London with strong skills in PHP, HTML, CSS, and Java. The role involves developing and maintaining the core platform which drives all customer-facing products, ensuring it is scalable and flexible for agile delivery. The ideal candidate ...

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    Full Stack Tech Lead Node Js React Java Script Jobs in United Kingdom Job Search Guide, Trends and Insights