101 to 125 of 282 Java Jobs in London

Saviynt IGA Architect - London - Hybrid - Contract

Hiring Organisation
Simon James I.T. Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 575 - 600 Annual
based integrations. Identity Fundamentals: Deep understanding of LDAP/AD, SAML, OAuth, OpenID Connect, and SCIM. Programming/Scripting: Strong skills in Java/J2EE (for custom JARs), Python, or PowerShell, and expert-level SQL for data manipulation and reporting. Cloud Infrastructure: Experience deploying or managing ...

Engineering Manager

Hiring Organisation
Hirewell
Location
London Area, United Kingdom
ability to lead, motivate, and scale a diverse team of engineers with strong interpersonal and team-building skills. Technical Proficiency: * Hands-on experience with Java, C#, or Python in an enterprise environment. Skills in API and Data Model Design , including how to scale out, make highly available ...

Software Engineering Manager

Hiring Organisation
HirexHire
Location
City of London, London, United Kingdom
years of software development experience, including 3+ years leading or managing engineering teams. Strong background in object-oriented programming using languages such as C#, Java, Python, or similar. Experience building Microsoft-based applications across front-end, back-end, and services layers. Hands-on experience with Microsoft Dynamics 365, including customization ...

Salesforce Engineer

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
jargon into technical tasks and be responsible for having discussion with business stakeholders and product Work with the following tech/tools/methodology; Java, JavaScript, HTML, CSS, TDD, Agile, pair programming, Bitbucket, Bamboo Qualifications Experience in the Salesforce platform Apex, Aura/LWC, Visualforce development with a strong understanding ...

Forward Deployed Engineer

Hiring Organisation
VIQU IT
Location
London, Farringdon, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum + Bonus' and Private Healthcare
Strong working knowledge of Palantir Foundry and its ecosystem, ideally having led one or more Foundry implementations at scale. Technical Breadth: Proficiency in Python, Java, or similar languages, alongside strong knowledge of data architecture, DevOps, and cloud platforms (AWS, Azure, GCP). Leadership Excellence: Demonstrated ability to manage senior engineering ...

Globalization Platform Engineer

Hiring Organisation
Expedia Group
Location
Greater London, England, United Kingdom
documentation and knowledge sharing for globalization tooling. Functional/Technical Skills: Required Experience 4–7 years of professional experience Strong programming skills (Python, Java, JavaScript/TypeScript) REST APIs, testing tools Regex and string handling Solid knowledge of Unicode, ICU & CLDR Working knowledge of NLP and NLU concepts: tokenization, embeddings ...

Lead Software Development Engineer - Services

Hiring Organisation
Capital One UK
Location
London, UK
Employment Type
Full-time
squad Proven experience working in both backend services and mobile technologies Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, and REST Experience with AWS and strong understanding of cloud-based development Extensive, demonstrable knowledge of designing architectures that are secure ...

Senior Java Engineer – Reactive

Hiring Organisation
Fynity
Location
City of London, London, United Kingdom
Senior Java Engineer – Reactive (Spring WebFlux) London – Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work … 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 ...

Java Developer - Low Latency

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
intuition with that, and some modern messaging like Aeron or ZeroMQ." 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure … industry trends and integrate relevant technologies into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate ...

Senior Eclipse Desktop Engineer

Hiring Organisation
L&T Technology Services
Location
City of London, London, United Kingdom
seeking a UI/UX‐focused Senior Eclipse RCP/SWT Engineer to design and build high‐performance Java thick‐client applications using Eclipse RCP, OSGi, SWT, and JFace. You will partner with product, UX, and domain experts to deliver intuitive, robust, and responsive scientific desktop software used by geoscience … e.g., regression, derivatives, geometry operations). Qualifications BS in Computer Science (or related) and 10+ years of professional software engineering experience. 7+ years building Java thick‐client desktop applications with Eclipse RCP: Plugins/features/products, extension points, p2, perspectives/views/editors, Commands/Handlers/Contexts. ...

Java Engineer C++

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
Java Engineer We are seeking a talented Java Engineer with C++ expertise to develop high-performance FX trading systems. In this key role, you will design scalable, low-latency applications for flagship trading venues, impacting global financial markets. Required Skills: Strong Java and C++ development experience Low-latency programming, multithreading ...

Senior Java Software Engineer

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
Senior Java Engineer (Core Java) £100,000 - £130,000 Central London - Hybrid A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some of the most sophisticated technology … throughput distributed systems, solving complex engineering problems at scale within a collaborative, high-performing team. Key Responsibilities Design, build and maintain high-performance distributed Java services Contribute across design, development, testing, deployment and support Collaborate closely with other engineers to deliver customer-centric solutions Mentor and be mentored within ...

Senior Java Developer Investment Banking

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £150000/annum
Senior Java Developer Investment Banking Fixed income Pricing and Risk This is a new and exclusive opportunity for a Senior Java Developer to join this Investment Banking business as they expand their Fixed income Pricing and Risk front office team Role details Title: Senior Java Developer Business area: Front office … income Pricing and Risk Permanent role £(Apply online only)k Location: London City Liverpool street station, home working hybrid 50/50% Technical stack: Java This is a senior Java developer to run Front office Fixed income Pricing and Risk java application development within this investment bank This ...

Head of Quality Engineering

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 700 Daily
Required Skills & Experience Technical Expertise (Exceptional Level) 2025+ years in QE engineering, transformation, and automation leadership. Mastery of: o Playwright, Appium, Selenium, Cypress, Java o API Automation (REST Assured, Karate, Postman) o Performance (JMeter, LoadRunner) o Cloud native testing (Azure, AWS, GCP) o Test orchestration, CI/CD pipelines ...

Software Engineer | High-Frequency Trading

Hiring Organisation
Fionics
Location
City of London, London, United Kingdom
data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C++/Python/Java skills Trading experience preferred but not essential Our network: Pay: $150K-$800K+ based on experience Locations: London, Remote Focus: Trading platforms, risk systems, data infrastructure ...

Quantitative Analyst

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
Bachelors degree in engineering, computer science or another technical related subject. programming proficiency with at least one major programming or scripting language (e.g. C++, Java, Python) high level of communication skills and ability to work efficiently with colleagues across multiple areas Additional desirable Qualifications for Quantitative analyst Knowledge ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
clean energy for the charging of electric vehicles. In this position, they are looking for experience in: 3+ years commercial experience JVM development - Java, Kotlin or Scala (Bonus) if you have already worked with Kotlin Microservices architecture Public cloud technologies e.g. AWS Have worked in modern, product-focused tech companies ...

Senior Software Engineer - Trading Technology - excellent comp + bonus

Hiring Organisation
Vertex Search
Location
London Area, United Kingdom
action every day. You will need to be coming in with at least 5 years of experience working directly on trading systems using Go, Java, C++, C# or Python. You will need to understand distributed systems, concurrency, and high-throughput architectures to really help you hit the ground running. Join ...

Innovation Technologist

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Conditions. Creating a cost optimised multi model journey management tool Key Skills: Knowledge of GCP Cloud architecture, development and deployment (K8s) Coding (JavaScript, Python, Java, etc.) UX/UI design AI/ML, generative design, 3D engines (e.g. Unity ...

Senior Front End Software Engineer

Hiring Organisation
Renaissance Leadership
Location
London Area, United Kingdom
collaborating across disciplines and contributing wherever business needs require. Core areas of depth may include one or more of: • Web/Front-end engineering • Java/AWS backend and distributed systems • React Native • Android (Kotlin) • iOS (Swift) Successful candidates demonstrate deep expertise in at least one of these areas while ...

ElasticSearch SME

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day up to £500pd (inside IR35)
Linux 8, Windows Server 2008/2016/2019, VMware ESX v6, Docker, IBM Initiate (Master Data Management) Nice to have: Working experience with Java 8, 5, 6, 11, Enterprise JavaBeans (EJB) and JSP Immediate availability If you're interested in this role, click 'apply now' to forward ...

Lead Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
accountable and sustainable cloud provider🌳 What they're looking for in a Lead Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, Java and/or C/C++. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Confident ...

Technical Product Manager

Hiring Organisation
Russell Tobin
Location
City of London, London, United Kingdom
engineering, workflow orchestration, and machine learning operations. Excellent communication skills with the ability to influence cross-functional teams and stakeholders. Experience with Python, SQL, Java, HQL, Hive, Pyspark, or similar programming languages preferred Well-versed in design thinking principles Great problem-solving and analytical skills ...

C# Developer - Front Office Engineering | Hedge Fund - London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, low‐latency, or business‐critical systems is valuable Financial markets experience is not essential, but interest ...

Data Engineer

Hiring Organisation
Searchability NS&D
Location
City of London, London, United Kingdom
Strong AWS expertise, including tools such as Glue, Lambda, Kinesis, EMR, Athena, DynamoDB, CloudWatch, SNS and Step Functions. Skilled in modern programming, particularly Python, Java, Scala and PySpark. Solid knowledge of data storage and big data technologies, including data warehouses, databases, Redshift, RDS and Hadoop. Experience building and managing ...