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Senior SmartContract developer

About the role:As a Senior Smart Contract Developer / Blockchain Engineer with expertise in enterprise blockchain platforms, you will collaborate with our client’s blockchain and cloud infrastructure teams, architects, product owners, and external partners in multi-organisation blockchain networks. You wi ...

Senior SmartContract developer

About the role:As a Senior Smart Contract Developer / Blockchain Engineer with expertise in enterprise blockchain platforms, you will collaborate with our client’s blockchain and cloud infrastructure teams, architects, product owners, and external partners in multi-organisation blockchain networks. You wi ...

Engineering Manager Data Engineering

Engineering Manager – Data Engineering A leading tech & data company are looking for an Engineering Manager within Data Engineering to lead a team of data engineers and ensure successful delivery of priorities. This is a 6 month contract, inside IR35. Hybrid working in central London ...

Engineering Manager Data Engineering

Engineering Manager – Data Engineering A leading tech & data company are looking for an Engineering Manager within Data Engineering to lead a team of data engineers and ensure successful delivery of priorities. This is a 6 month contract, inside IR35. Hybrid working in central London ...

Senior Backend Engineer – AI Powered SaaS, Scalable

A fast-growing AI company in Greater London seeks a Back-End Developer to collaborate with the Product team and Data Scientists. You will play a key role in designing and maintaining systems for AI-powered products. The ideal candidate has 3-5 years of back-end development experience, proficiency in programming ...

AI Fleet Management Leader — Platform, Flexible Location

Spotify is looking for a leader for the Platform Developer Experience (PDX) team, focusing on building AI-native backend systems. The ideal candidate will have over 5 years of backend engineering expertise in Java, Python, or Node.js, along with 3+ years leading engineering teams. This flexible role allows for r ...

Front End Engineer: React/Angular/Vue Expert, London

Java Script Works in London is looking for a Front End Developer to join their team. The ideal candidate will have proven experience in front-end development and proficiency in HTML, CSS, and JavaScript, including frameworks like Angular, React, and Vue.js. This is a full-time position located in the United K ...

Full Stack GIS Engineer — Hybrid, Public Sector Impact

Informed Solutions is seeking a Full Stack GIS Developer to engage in developing innovative digital solutions that aid complex public sector challenges. This role emphasizes collaboration and offers opportunities to work on high-profile projects while leveraging technologies like .NET, Java, Python, AWS, and ...

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 ...

Frontend Engineer React / Next.js Specialist

Java Script Works is looking for a skilled developer in Greater London, United Kingdom. This position requires advanced skills in Apollo and Next.js, along with a fullstack mindset. The ideal candidate will engage with clients and participate in software development projects alongside diverse teams. If you have ...

Senior eFX Engineer: High Frequency Trading

STATE STREET CORPORATION is seeking an enthusiastic full-stack developer to join their EFX London team. The role requires writing high-performance Java and Rust code while working on bespoke trading solutions that operate globally.The ideal candidate has extensive experience in automated trading and fi ...

Senior Consulting Engineer (Armakuni Network Contractor... in London Armakuni

Senior Consulting Engineer (Armakuni Network - Contractor)London, United KingdomPosted 11 months agoTech stackNode.jsAmazon AWSPythonGCPJavaReactJavaScriptAz ...

Senior Backend Squad Lead: Defence AI & Cloud

T2M Resourcing Ltd is looking for a Senior Squad Lead – Application Development to lead a team of developers, primarily in back-end development based in Newcastle. The ideal candidate will have a strong track record in leadership and experience with C#, Java, or Python. The role involves designing and ...

Senior Software Development Engineer, AWS CloudFront

Do you enjoy watching the latest movies, television shows, or sporting events on your computer, tablet or smartphone? Do you hate waiting for your pages to load or your show to re-buffer? Do you want to contribute to that deliver a flawless experience in serving video from the edge? Good - us too. AWS ...

Senior Software Development Engineer, AWS CloudFront

Do you enjoy watching the latest movies, television shows, or sporting events on your computer, tablet or smartphone? Do you hate waiting for your pages to load or your show to re-buffer? Do you want to contribute to that deliver a flawless experience in serving video from the edge? Good - us too. AWS ...

Senior Software Engineer, Regulatory News Platform

LSEG is on the lookout for a Senior Developer to join its Regulatory News Service team in London. This role involves leading technical solutions and designing high-quality software that adds customer value. Ideal candidates will have extensive experience in Java and strong knowledge of software development pr ...

AI Driven Backend Engineer (Java/Kotlin) for API Mock SaaS

WireMock is looking for an experienced Java/Kotlin developer based in London to join their dynamic team. The role involves designing and supporting backend features for a commercial SaaS product, along with maintaining cloud infrastructure. Candidates should have at least 6 years of professional software develop ...

Senior Software Engineer: Unified Trading Platform & Orders

P2P is seeking an experienced server-side developer with a strong foundation in micro-service architectures and expertise in Java, Python, and Clojure. You will work on both legacy and new developments, driving projects to completion with an emphasis on scalability and testing. The successful candidate ...

Senior Golang Engineer for High Performance Quant Trading

Saragossa is seeking a Senior Developer to contribute to building high-performance quant trading platforms. This role is crucial in a small, technical team that works closely with engineers, traders, and quants to advance automated strategies in global sports markets. The position involves primarily co ...

Senior Backend Engineer for AI Powered SaaS

PassFort is seeking a talented back-end developer to join their team in Greater London. You will work closely with product teams to design and build robust back-end systems that support innovative AI solutions. The ideal candidate has 3-5 years of experience in back-end development, strong programming ...

Senior Data Integration Engineer Platform & AI

DRW in the United Kingdom is looking for an experienced software developer to design and deliver software services and data tools that enhance their Data Platform. The ideal candidate will have over 8 years of experience in data-heavy software and be proficient in Python, Java, or C#. This role requires a strong ...

VP Software Engineer AI Driven Cloud Platform

Goldman Sachs is searching for a software developer in Greater London to work on the Consolidated Trade Ledger initiative. This role requires over 8 years experience in Java and familiarity with AI tools like GitHub Copilot. You will design and implement high-availability, cloud-native services while collaborati ...

Senior Software Engineer: Unified Trading Platform & Orders

P2P is seeking an experienced server-side developer with a strong foundation in micro-service architectures and expertise in Java, Python, and Clojure. You will work on both legacy and new developments, driving projects to completion with an emphasis on scalability and testing.The successful candidate ...

Lead Software Engineer – Python / Java AI Markets Technology, Credit Pre Trade Technology

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading techno ...

Senior Lead Software Engineer Full Stack ReactJS, Java, Python, AWS, AI/ML

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products to revolutionize business decisions and workflow for cloud migration.As a Senior Lead Software Engineer at JPMorganChase within the Infrastructure Platform, you are a ...

Lead Software Engineer – Python / Java AI Markets Technology, Credit Pre Trade Technology

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorganChase within Credit Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading techno ...

Senior Lead Software Engineer Full Stack ReactJS, Java, Python, AWS, AI/ML

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products to revolutionize business decisions and workflow for cloud migration.As a Senior Lead Software Engineer at JPMorganChase within the Infrastructure Platform, you are a ...

Senior Product Security Engineer

Senior Product Security Engineer - Up to £250,000 We are working with one of the top buy side firms in the city who are a leader in blending modern technology with the most performant financial systems, revolutionising themselves to become a key player in London. Currently, they are undertaking an ...

Senior Full Stack Developer

At SThree, we’re building a next‑generation candidate and contractor digital experience — and we’re looking for a Senior Full Stack Developer to help bring it to life. You’ll play a key role in designing and delivering a new contractor onboarding and placement management platform, ...

Senior Full Stack Developer

At SThree, we’re building a next‑generation candidate and contractor digital experience — and we’re looking for a Senior Full Stack Developer to help bring it to life. You’ll play a key role in designing and delivering a new contractor onboarding and placement management platform, ...

Senior Low Latency Engineer (Java/C++/Rust) Hybrid London

Citibank (Switzerland) AG is seeking a Senior Low Latency Engineer in London to lead applications systems analysis and programming. This role will focus on low-latency systems and application framework engineering, requiring hands-on experience with Java and algorithmic trading technologies.The success ...

Senior QA Automation Engineer

Board Intelligence is a technology and advisory firm that supercharges boards with the science of board effectiveness. We build better businesses and benefit society.   Through a suite of AI-powered software tools, evaluation frameworks, and advisory services that distil twenty years of ...

Senior QA Automation Engineer

Board Intelligence is a technology and advisory firm that supercharges boards with the science of board effectiveness. We build better businesses and benefit society.   Through a suite of AI-powered software tools, evaluation frameworks, and advisory services that distil twenty years of ...

Low Latency HFT Quant Developer

Queueco is seeking a talented Quantitative Developer specialising in High-Frequency Trading (HFT) to join their team in Greater London. This role involves designing and optimizing low latency trading systems while collaborating with traders and researchers to improve performance and efficiency. The ide ...

Automation Testing Engineer Trading Platform & CI/CD

Mondrian Alpha is searching for a Developer in Testing to join their London-based Technology team. The successful candidate will own technical products for the trading platform, engineering automated solutions instead of traditional QA tasks. The role involves shaping testing strategies, building test ...

Senior Software Engineer (Remote) – Cloud & Collaboration

A leading technology firm in the United Kingdom is seeking an experienced Senior Software Developer to join their remote team. The candidate should have a proven track record of developing high-quality applications and solutions. Responsibilities include designing, developing, and implementing software based on ...

Tech Lead AI Platform & Developer Experience (DevEx)

Gravitee is a 2025 Gartner® Magic Quadrant™ Leader, on a mission to govern the world’s intelligence.We deliver the industry’s most advanced platform for Any API, Any Event, and Any AI Agent, trusted by global leaders ...

Tech Lead AI Platform & Developer Experience (DevEx)

Gravitee is a 2025 Gartner® Magic Quadrant™ Leader, on a mission to govern the world’s intelligence.We deliver the industry’s most advanced platform for Any API, Any Event, and Any AI Agent, trusted by global leaders ...

C# .NET & SQL Developer — Data Visualization & Reporting

Years of Relevant Experience 3+ years Education Level Bachelor's Degree About the Job Our Client is looking to recruit a C# .net Software Developer with SQL skills. The Client produces information for the Oil and Gas industry and you will be involved in helping ...

C# Dot Net C# .net and SQL Developer City London

Years of Relevant Experience 3+ years Education Level Bachelor's Degree About the Job Our Client is looking to recruit a C# .net Software Developer with SQL skills. The Client produces information for the Oil and Gas industry and you will be involved in helping ...

Staff Product Security Engineer: Lead Threat Modeling & AI

Chainalysis Inc. in Greater London is seeking a Staff Product Security Engineer to lead security efforts across their SaaS platform. You will partner with engineering on security processes, run reviews, and handle bug reporting workflows to ensure robust application security. The ideal candidate will h ...

Principal Data Scientist AI in London Opus 2

Principal Data Scientist – AILondon, United KingdomPosted 11 months agoTech StackTypeScriptJavaArtificial IntelligencePythonRequirementsProficiency in Python, with ex ...

Outsystems Developer

OutSystems Developer (Low-Code Orchestration)Location: LondonContract: 12 monthsWe are currently supporting a confidential search for an OutSystems Developer to join a major enterprise programme in London on a 12-month contract.This role focuses on building scalable, secure, low-c ...

Senior Software Development Engineer, AWS CloudFront

DescriptionDo you enjoy watching the latest movies, television shows, or sporting events on your computer, tablet or smartphone? Do you hate waiting for your pages to load or your show to re-buffer? Do you want to contribute to that deliver a flawless experience in serving video from the edge? Good - us too ...

Lead Engineer / Tech Lead

Job Description :MORE THAN YOU EXPECTED Grant Thornton UK LLP is part of a global network of independent audit, tax and advisory firms, made up of some 58,000 people in over 135 countries. We're a team of independent thinkers who put quality, inclusion and integrity first. A ...

Lead Engineer / Tech Lead

Job Description :MORE THAN YOU EXPECTED Grant Thornton UK LLP is part of a global network of independent audit, tax and advisory firms, made up of some 58,000 people in over 135 countries. We're a team of independent thinkers who put quality, inclusion and integrity first. A ...

Site Reliability Engineer with Python

Site Reliability Engineer with PythonOur Client looking to bring on a site reliability engineer to help deploy, manage, troubleshoot, and enhance our complex cloud-based set of internal tools and externally managed services for a variety of users across our wide-ranging organization.< ...

Full Stack Engineering Lead, Vice President

Overview Are you looking for a career move that will put you at the heart of a global financial institution? We are seeking a talented and passionate Senior Engineering Lead to join the Finance Technology team. You will be a key contributor to the re-platform of our existing applications to suppor ...

Full Stack Engineer Call Shubham 8700373195

DescriptionWe are seeking a Full Stack Engineer in Germany/Sweden. The ideal candidate will have 4-14 years of experience in software development, with a strong understanding of both front-end and back-end technologies. You will play a crucial role in designing and implementing web a ...

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    Lead Java Application Developer Java Web Tech Jobs in London Job Search Guide, Trends and Insights