51 to 75 of 86 Jobs in London

Software Developer | Capital Markets

Location
Greater London, England, United Kingdom
Marex’s business divisions and works with a corresponding Business Technology and Application Support team. Role Summary As an experienced technical lead and full-stack software engineer specializing in both front-end and back-end development, expert in React or C# .NET with React and/… Kanban, DevOps, CI/CD, Automation First, BDD/TDD, DORA. Understanding of, and advocacy for, Agentic AI/Context Engineering Desirable: Engineering : Java, Vue, Angular, .Net Core Tools/Technologies/Infra : Docker, Kubernetes, Kafka, Azure, GCP, NoSQL, DNS Design : Serverless, cloud-native/PaaS, event driven ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
opportunity to work on mission critical systems that make a real world impact, within a highly secure environment. The Role As a Software Developer, you’ll be involved across the full development lifecycle, contributing to the design, development and integration of secure, scalable software solutions. Responsibilities … include: Developing high-quality, maintainable code Contributing to system architecture and design decisions Working within Agile delivery teams What We’re Looking For Full stack experience within an agile team building enterprise‐grade web applications or backend services Java development with Spring Boot Front ...

Camunda BPM Developer London, UK

Location
Greater London, England, United Kingdom
About the Job you are considering:We are looking for a highly skilled Camunda Developer with strong expertise in workflow orchestration and full-stack development. The ideal candidate will have extensive experience in Camunda, Java-based backend technologies, and React-based frontend … enterprise workflow orchestration solutions on cloudnative platformsDesign and develop lending origination workflows using Camunda 8 for process orchestration.Implement service-task-driven integrations using Java-based job workers.Build and integrate React-based user interfaces for handling user tasks.Develop and maintain backend services using Java and SQL-based ...

Principal Software Developer (Web)

Location
City Of London, England, United Kingdom
team. All of these while having fun truly makes FlexTrade a wonderful place to work. The Team We are looking for an amazing developer to join our team building FlexTrade’s OEMS platform, FlexONE, which is our state-of-the-art, fully integrated Order Management System and Execution … London office, which is now predominantly responsible for development of the UI for the application. The London team is an experienced group of Java and Scala developers, with a deep understanding of UI and UX design. We deliver our software using agile methodologies, and we encourage best practices ...

Senior eTrading Developer - Rates

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £800 per day
seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform. The position offers a dynamic working environment embedded … global trading desks. The ideal candidate brings extensive buy-side or top-tier investment banking experience in Rates e-trading, deep low-latency Java expertise, and strong business-facing capabilities to elicit requirements directly from traders. Key Responsibilities & Accountabilities Core Platform Build: Design, develop, and optimize greenfield components ...

Senior eTrading Developer - Rates

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£750.00 - £800.00 per day
seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform. The position offers a dynamic working environment embedded … global trading desks. The ideal candidate brings extensive buy-side or top-tier investment banking experience in Rates e-trading, deep low-latency Java expertise, and strong business-facing capabilities to elicit requirements directly from traders. Key Responsibilities & Accountabilities Core Platform Build: Design, develop, and optimize greenfield components ...

Principal Full Stack Software Engineer

Location
London, United Kingdom
candidate will be writing code as well as setting direction - this is not a purely architectural or management position. Current delivery is a Java/Spring Boot microservices platform on AWS EKS, with a Next.js frontend and Camunda-based process orchestration. Essential Experience level: 10+ years minimum, principal … staff grade equivalent. Backend and cloud: Java 17 or 21, at expert level - modern language features Spring Boot in depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda ...

Principal Full Stack Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
candidate will be writing code as well as setting direction - this is not a purely architectural or management position. Current delivery is a Java/Spring Boot microservices platform on AWS EKS, with a Next.js frontend and Camunda-based process orchestration. Essential Experience level: 10+ years minimum, principal … staff grade equivalent. Backend and cloud: Java 17 or 21, at expert level - modern language features Spring Boot in depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda ...

Associate Software Developer (Web)

Location
City Of London, England, United Kingdom
team. All of these while having fun truly makes FlexTrade a wonderful place to work. The Team We are looking for an amazing developer to join our team building FlexTrade’s OEMS platform, FlexONE, which is our state-of-the-art, fully integrated Order Management System and Execution … London office, which is now predominantly responsible for development of the UI for the application. The London team is an experienced group of Java and Scala developers, with a deep understanding of UI and UX design. We deliver our software using agile methodologies, and we encourage best practices ...

Staff Software Engineer

Location
Greater London, England, United Kingdom
enough for you to make a significant impact. At Wiz, you’ll have the freedom to think creatively, dream big, and use your full range of skills to contribute to our record growth. Come join our team and help us create secure cloud environments that allow the best … deliver best-in-class features WHAT YOU’LL BRING 7+ years of experience with Backend Engineering in a high-level programming language (e.g. Java, C#, Golang) Experience with cloud platforms (e.g. AWS, GCP, Azure) Experience with databases and message queue technologies Experience with continuous integration and deployment ...

Principal Developer, Greenfield Digital Banking, £150,000+

Location
Greater London, England, United Kingdom
+ double matched pension. They are based in London, and collaborate 2 days a week in the office. We are looking for strong Full Stack Principal Engineers to lead a squad of 8-10 with the following experience: Seniority: experience leading as a principal, staff level … tech lead. Ownership/Accountability: Have been responsible for the end to end delivery of technical products. The Key technologies: Java, Spring Boot, Azure, Kafka, React/Typescript, React Native, (Using AI Tools is a big Plus). Experience with API's, Microservices, Event Driven Architecture. (Greenfield Next ...

Cloud Native Specialist

Location
Greater London, England, United Kingdom
Global Sales and Customer Success teams to help organizations navigate the complexities of "day-2" operations in containerized environments, ensuring they achieve full-stack observability across dynamic, ephemeral architectures.**Core Responsibilities**1. Cloud Native Domian Expertise:* Act as the technical "Subject Matter Expert … role, with at least 3 years specifically focused on Kubernetes and containerized workloads.* Technical Depth: \* Certified Kubernetes Administrator (CKA) or Application Developer (CKAD) preferred.* Deep understanding of container runtimes, ingress controllers, and service discovery.* Hands-on experience with Service Mesh architectures and sidecar patterns.* Cloud Mastery: Expert-level ...

Forward Deployed Solution Engineer – Applied AI FDE

Location
Greater London, England, United Kingdom
Full-time Employee Type: Regular Region: EMEA - Europe, Middle East and Africa Work Persona: Flexible or Remote Company Description It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build … production and scalable across industries. Who You Are: You are a systems-minded, AI-native engineer who ships real software. You own the full stack—and are equally motivated by elegant APIs, intuitive UIs, and scalable orchestration pipelines. You think like a product-minded CTO, balancing ...

Research Software Engineer

Location
Greater London, England, United Kingdom
About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems—across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector—co-creating customized AI systems that … systems. Strong software-design instincts: modular code, tests, CI/CD, observability. Fluency in Python plus one systems language (C++, Rust, Go or Java). Hands-on with container orchestration and schedulers (Kubernetes/K8s, SLURM, or similar). Comfortable profiling performance, optimising I/O, and automating ...

Technical Lead Developer

Location
Greater London, England, United Kingdom
Tech Lead, you will play a crucial role in driving your team technically to deliver high-quality code, while also supporting the full life cycle of software development, including hands-on coding. On the specific programme, we manage multiple services, including both run-and-maintain activities and transformative … work by designing and developing new features. You will work with a wide range of technologies including Python, C#, Java, TypeScript, React, Terraform, and AWS/Azure. We always use the most suitable technology for each project, giving you the opportunity to learn and work with different languages. ...

Senior Mobile Security Developer - Contract (Inside IR35)

Location
Greater London, England, United Kingdom
Waracle are looking for a Senior Mobile Security Developer (Inside IR35) for an exciting new 6-month initial contract joining our world-class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help … with 2 days a week spent connecting with colleagues in our London office oron client site. The Role As a Senior Mobile Security Developer, you will define squad-level technical architecture and technical approach. You are a technical expert who ensures quality, security, and compliance across projects, driving ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds … matter and engineering excellence is critical click apply for full job details ...

Senior Software Engineer - Futures and Options Execution Services

Location
Greater London, England, United Kingdom
innovation, strong work ethics, and we are committed to providing our team members with the support and resources they need to succeed. Tech Stack Java and/or Rust, AWS, FIX protocol, Kafka , Kubernetes and Cloud (AWS or Azure). What We’re Looking For 8+ … working in team-oriented environments. A strong commitment to engineering quality, reliability, and high development standards. Passion for delivering a best-in-class developer experience, with a focus on tooling, performance, and maintainability. What We Offer At Clear Street, we offer competitive compensation packages, company equity, pension, gender ...

Blockchain Software Developer - Digital Assets Platform

Location
Greater London, England, United Kingdom
Blockchain Software Developer - Digital Assets Platform (Open) Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity … Blockchain Web3 Engineer to join the Citi Integrated Digital Assets Platform (CIDAP) engineering team. This is a hands-on engineering role for a developer who is deeply enthusiastic about the intersection of decentralized technologies and institutional finance. The successful candidate will contribute to the design, development, and deployment ...

Java (Kotlin) Developer (Agile, Test-Driven) AVP

Location
Greater London, England, United Kingdom
major growth target for Citi – with technology providing the key to unlock this potential. Responsibilities Ownership and delivery on components (Java/Kotlin) within the Core Prime Brokerage platform. Hands-on Development. Actively contribute to an agile development, applying and improving skills in Continuous Integration and Continuous Deployment …/CD) practices. Implement and maintain developer-led automated testing solutions. Participate in the ongoing refinement of SDLC, agile and DevOps processes. Participate in design, planning and estimation discussions within the team. Perform detailed analysis of assigned work, breaking work into individual technical tasks. Collaborate with business analysts ...

Senior Engineer 27 Goswell Rd., Barbican, London EC1M 7AN

Location
Greater London, England, United Kingdom
will be a subject matter expert across multiple areas of the platform, involved in cross-team technical design, and independently responsible for the full lifecycle of the projects you deliver. At this level we expect your impact to reach beyond your own work: lifting your immediate team … will go a long way. What you will be working on Deliver features into the core product, across all areas of the technology stack Own the full lifecycle of your work: design, development, deployment and ongoing support Lead spikes and technical design for work that spans ...

Senior Backend Software Engineer

Location
Greater London, England, United Kingdom
class product, ensuring quality, maintainability, and sustainability. As a senior member of this new team, you will serve as a technical anchor—taking full ownership of complex backend challenges, partnering closely with your Lead Engineer to set high quality standards, and helping guide mid-level engineers … grows. The Tech Stack We have created a scalable Spring Boot Application running on Java 25 in Kubernetes, deployed in a multi-region setup in AWS. Developers are able to run a full development environment locally, which gives a great developer experience. ...

Lead Web3 Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
## Lead Web3 Engineer - Digital Assets PlatformApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26983950**26983950 Lead Web3 Engineer - Digital Assets Platform****Discover your future at Citi**Working at Citi is far more than just a job. A career with us means … real impact.**Job Overview**An **Digital Assets Platform Web3 Engineer** must be a highly motivated and proactive hands-on software engineer (**Back End, Java Focus**), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing ...

Lead Web3 Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
real impact. Job Overview An Digital Assets Platform Web3 Engineer must be a highly motivated and proactive hands‐on software engineer (Back End, Java Focus), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing … build our Citi Integrated Digital Assets Platform (CIDAP). The ideal candidate will be a self‐driven, proactive, strong enterprise developer and resourceful team player who can comfortably work with a large team of highly motivated individuals within Citi’s larger softwzare engineering network. We are looking ...

Graduate Software Engineer (High Performance Systems)

Location
Greater London, England, United Kingdom
Graduate Software Engineer (High Performance Systems) Location: London (On-site) Employment type: Full-time Visa sponsorship is available for this role. We are looking for exceptional talent from anywhere in the world to join our team in London. (Start Date: 2026) About Arctic Lake We build sophisticated trading … anything from bare‐metal optimisation to high‐level application logic. You could go deep in systems programming on one project, then own the full lifecycle of an internal tool that transforms how the team works. Throughout it all, you will rely on data analysis. We are an evidence ...