251 to 275 of 309 Java Jobs in London

Senior Cloud Engineer

Hiring Organisation
Deloitte
Location
London Area, United Kingdom
listed below, preferably with Financial Services experience. Your professional experience + 10 years Cloud Engineering experience with AWS and GCP Snowflake Cloud Dev Ops Java Python CI/CD Pipeline Dev Kubernetes Terraform Software engineering for AWS DevOps tooling Deliverables: Responsibilities but not limited to: Perform software engineering activities … developing and maintaining applications using Java and Python. Implement and manage comprehensive Cloud Dev Ops practices, including CI/CD Pipeline Dev, container orchestration with Kubernetes, infrastructure as code using Terraform, and utilisation of relevant DevOps tooling. Engineer, optimise, and maintain data warehousing solutions within Snowflake. IR35 As a means ...

Software Engineer (Java) – Up to £120,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
Role: Software Engineer (Java) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: Java as a main language This firm is an elite fintech company with exceptionally high standards, renowned for building cutting-edge financial systems ...

Principal Software Engineer

Hiring Organisation
Vitality Corporate Services Limited - Tech
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
driving continuous improvement in skills, processes and engineering capability. What do you need to thrive? Strong hands-on expertise designing, building, testing and deploying Java/JEE applications across the full development lifecycle Practical experience with front-end and supporting technologies, including CSS, HTML and/or JQuery Solid database … AMQP or Kafka Exposure to modern DevOps tooling and practices, including Jenkins, Kubernetes, Docker or equivalent Demonstrable experience integrating disparate systems and technologies using Java, underpinned by strong object-oriented design and SOLID principles So, whats in it for you? Bonus Schemes A bonus that regularly rewards you for your ...

Principal Software Engineer

Hiring Organisation
Vitality
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
driving continuous improvement in skills, processes and engineering capability. What do you need to thrive? Strong hands-on expertise designing, building, testing and deploying Java/JEE applications across the full development lifecycle Practical experience with front-end and supporting technologies, including CSS, HTML and/or JQuery Solid database … AMQP or Kafka Exposure to modern DevOps tooling and practices, including Jenkins, Kubernetes, Docker or equivalent Demonstrable experience integrating disparate systems and technologies using Java, underpinned by strong object-oriented design and SOLID principles So, what’s in it for you? Bonus Schemes – A bonus that regularly rewards ...

DevOps Engineer (SC + NPPV3 Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
CR0 2TA, Croydon, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day 500/day (Outside IR35)
DevOps Engineer (SC + NPPV3 Cleared) Croydon 6 Month Contract £500/day (Outside IR35) DevOps Engineer needed with both SC and NPPV3 Security Clearance, plus strong AWS Cloud platforms experience. 6 Month Rolling Contract ...

Java Automation Test Engineer

Hiring Organisation
Sparta Global Limited
Location
South Croydon, London, United Kingdom
Employment Type
Permanent
Salary
£24,000
passionate and committed individuals who want to kickstart a career in technology! You must be willing to complete full-time training in our Java Automation Engineer programme and will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan' consultant. … will be reviewed accordingly, aligning to availability and requirements ensuring we can match the right candidates to the right roles. We are seeking Junior Java Automation Test Engineer, Technical Consultants to join our team: Automation Testing is at the core of defining, developing and testing products for businesses and their ...

Sr Java programmer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £65,000 per annum
Assist when required with the deployment of components to development and test environments* Participate in intraday and overnight Support rotas when requiredYour Skills:* Solid Java server-side development experience is essential the candidate must be able to demonstrate knowledge of multithreaded development* Demonstrable experience with highly available multithreaded distributed systems ...

Java Software Engineer

Hiring Organisation
IC Resources
Location
City of London, London, United Kingdom
exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, and developer tooling. You’ll work closely with … will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience for the Java Software Engineer includes: 1+ years of experience with desktop application development, ideally with Java UI frameworks e.g. JavaFx, Swing, Qt Object-oriented design and development Multithreaded ...

Java Engineers - Senior / Lead

Hiring Organisation
numi
Location
City of London, London, United Kingdom
writing. Evolve the tech stack by integrating modern technologies and patterns. What They’re Looking For Essential Proficiency in JVM-based languages, specifically Java or Kotlin. Deep experience with cloud-native architecture and multi-cloud environments. A pragmatic, iterative approach to solving complex technical challenges. Strong architectural thinking with ...

Site Reliability Engineer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Development or support of Python, Machine Learning, Java/J2EE/REACT Java Script, and Node applications Research latest technology, concepts, conceptualize solution and develop proof of concept that will improve resiliency … configuration, monitoring, reliability, and performance engineering Experience in designing mission critical highly available enterprise applications Hand on experience with performance testing framework design, tuning Java applications Experience in managing relational and NoSQL databases Hands on experience on enterprise tools set such as Splunk, Grafana, Dynatrace, AppDynamics, BMC, Prometheus etc. Experience ...

Java Engineer

Hiring Organisation
Profile 29
Location
London, UK
Employment Type
Full-time
Description Java Engineer Salary to £45k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i.e. you have at least 5 years residency ...

Payments Engineer

Hiring Organisation
Fynity
Location
London Area, United Kingdom
near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing … with architects, engineers, and client teams across Europe Operate in Agile environments (Scrum/Kanban) with a strong engineering culture Tech Stack (current & evolving): Java 17+, Spring WebFlux, Akka, MongoDB, Kafka, reactive streams, distributed messaging, cloud-native tooling What You Bring We’re looking for engineers who enjoy thinking ...

Java Developer Crypto Exchange Connectivity - Home Based

Hiring Organisation
VERTECH GROUP (UK) LTD
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Java Developer Crypto Exchange Connectivity (Low Latency) Location: Home Based/1-2 days per month in London Salary: Circa £180,000 £200,000 + bonus + benefits Java Developer required for a small trading technology firm focused on crypto markets, working directly on exchange connectivity and low latency trading … systems, solving real-world problems around exchange behaviour, performance and connectivity, in a collaborative team of experienced engineers Key experience: Strong development background in Java (or C/C++) Experience working in low latency or performance-critical systems Hands-on experience with crypto exchange connectivity (e.g. Binance, OKX, Coinbase ...

Senior / Principal Akka Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Overview Proven hands-on software development experience (Java or other JVM-based languages). Qualifications Experience in software development with Java or other JVM-based languages. Level options: up to 1 year; 1–3 years; 3–5 years; more than 5 years. Experience in Scala development on production systems. Level ...

Software Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Senior Software Engineer - Java/Python/AWS Location: London, Victoria Embankment (5 days onsite) Duration: 12-Month Contract Day rate: Circa £750 per day (Inside IR35) A leading global financial services organisation is seeking a Senior Java/Python Engineer to join a high-performing Asset Management Research Technology … native applications while contributing to cutting-edge AI initiatives, including RAG-based semantic search and LLM workflows. Required Skills & Experience Strong commercial experience with Java and Python development Advanced knowledge of AWS cloud services and cloud-native architecture Experience designing, building, testing, and supporting enterprise-scale applications Hands-on expertise ...

Junior Technical Consultant ( Java or C# ) Learn ETRM

Hiring Organisation
Fenwick Ryan
Location
London Area, United Kingdom
Junior Technical Consultant (Java/C#) – Energy/Commodities Trading | London Kick-start your career in one of the most specialised and high-value areas of technology and business: Energy & Commodities Trading and Risk Management. As a Junior Technical Consultant, you’ll undertake a rigorous six-month training programme , building … Enjoy a progressive career path from Consultant to Principal, to Managing Consultant to Director. What you’ll be doing: Designing and developing solutions using Java and/or C# Working across full project lifecycles: implementation, upgrade, and integration Contributing to system architecture, data modelling, and integration design Collaborating with traders ...

Head of Software Development

Hiring Organisation
Reed
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £150,000 per annum, Inc benefits
platform selection, and long-term scalability planning. Engineering Delivery : Own end-to-end software delivery across all product lines and platforms, including hands-on Java development. Establish and continuously improve engineering processes, CI/CD pipelines, and quality standards. Offshore Team Management : Lead, manage, and grow a distributed offshore development … absence, representing the technology function at the executive level. Lead cross-functional technology governance, security, and compliance initiatives. Required Skills & Qualifications: 10+ years in Java software development, with at least 5 years in leadership roles. Proven track record managing offshore/distributed teams. Strong background in full-stack or platform ...

Performance Tester

Hiring Organisation
Venquis
Location
City of London, London, United Kingdom
develop performance test frameworks using Jmeter and Load runner. Strong knowledge of performance testing methodologies and tools Familiarity with programming languages and scripting (e.g., Java, Python, Shell) Ability to own QA deliveries including test planning, estimation, reporting, managing start to end test life cycle with the ongoing development sprints. Experience … tools Experience with Performance monitoring and analysis Experience in using Load testing tools (e.g., JMeter, LoadRunner) Knowledge on Programming languages and scripting (e.g., Java, Python, Shell) Ability to develop performance testing frameworks using the performance testing tools. Ability to auto deploy, distribute and execute the performance testing frameworks using ...

SC Java Developer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
Software Engineer Our new client are expanding their engineering capability and are looking for talented Software Engineers with a strong focus on Java to join a growing team. If you thrive in modern engineering environments and enjoy building scalable, high-quality services, this role will put your skills to work ...

Managing Consultant - Endur Technical

Hiring Organisation
capSpire
Location
City of London, London, United Kingdom
design documentation and oversee quality of other technical consultants' outputs. Skills Endur Development: Considerable experience in developing and customizing JVS and/or OpenComponents (Java or .NET C#) to extend Endur functionality. Connex Integration: Expertise in integrating Endur with external systems and data sources using Connex, ensuring seamless data exchange … Database Management: Strong understanding of Oracle and MS SQL Server databases, including database design, administration, optimisation, and performance tuning. .NET C# and/or Java Development: Proficiency in .NET C# and Java development for building custom applications, modules, and integrations within the Endur ecosystem. Endur Gateways and Accelerators: Demonstrate ...

Senior Developer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity … lifecycle, working with the latest AI technologies including Claude Code, GitHub Copilot, MCP, LLMs. Senior Software Engineer will: Develop and maintain software applications using Java Implement AI solutions to enhance software functionality and accelerate development workflows Collaborate with cross-functional teams to define, design, and ship new features Leverage ...

Java Developer Crypto Exchange Connectivity - Home Based

Hiring Organisation
VERTECH GROUP (UK) LTD
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Java Developer Crypto Exchange Connectivity (Low Latency) Location: Home Based/1-2 days per month in London Salary: Circa £180,000 £200,000 + bonus + benefits Java Developer required for a small trading technology firm focused on crypto markets, working directly on exchange connectivity and low latency trading ...

Senior Software Engineer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £120000/annum
Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance ...

Senior Software Engineer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance ...

Full Stack Engineer

Hiring Organisation
Formula
Location
City of London, London, United Kingdom
applications, and AI-enhanced product features. What You'll Do as a Full-Stack Engineer: Design and build resilient, high-throughput backend services in Java that power the movement of data across millions of sporting events each year. Architect and maintain real-time event-driven data pipelines and streaming systems … leverage AI coding assistants to accelerate development. Collaborate closely with a small, high-trust team to ship and iterate quickly. Core Technology Stack: Backend: Java, distributed messaging systems, relational databases, Docker, infrastructure as code Frontend: TypeScript, modern JavaScript frameworks Infrastructure: Cloud-native serverless and containerised environments AI Tooling: Regular ...