151 to 175 of 281 Java Jobs in London

AI Delivery Lead - Permanent - Hybrid - Insurance

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
such as Scrum or Kanban.Experience in data visualisation and communicating insights from complex datasets to non-technical stakeholders.Proficiency in programming languages such as Python, Java, or C#. To apply for this role please submit your CV or contact Dillon Blackburn on or at . Tenth Revolution Group ...

Mobile Engineer

Hiring Organisation
Expedia Group
Location
City of London, London, United Kingdom
field; or equivalent related professional experience. 2+ years of relevant professional experience building and shipping native Android applications. Proficient in Kotlin (and familiar with Java), with a solid grasp of Android fundamentals and app lifecycle. Comfortable working with REST/GraphQL APIs, client/server patterns, and modern Android tooling ...

Senior Solutions Engineer

Hiring Organisation
Paravision
Location
London Area, United Kingdom
logs, reproducing issues, and communicating findings clearly to engineering. Working knowledge of and past exposure to programming in Android/iOS, Python, C++, Go, Java, and/or C# (deep programming experience not required). The ability to manage multiple competing priorities in a fast-paced startup environment with ease ...

Lead AI Engineer

Hiring Organisation
Sopra Steria
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Machine Learning, including agent-based AI, RAG (Retrieval Augmented Generation), multi-agent systems and conversational agents. Strong programming skills in Python, Java or .NET. Experience with GenAI and LLMs (e.g. ChatGPT, Claude, Llama, OpenAI), including prompt engineering, fine tuning and advanced search. Familiarity with AI agent frameworks (e.g. Autogen ...

Senior Backend Developer

Hiring Organisation
Skilliantech Ltd
Location
London, United Kingdom
Employment Type
Contract
Role: Senior Backend Developer Type:Fixed Term Employment (1year) Location: UK (Remote) Client:Tavant Technologies Mandatory Skills - Java, Spring Boot Experience 8+ years Job Description We are looking for a Senior Backend Developer with strong experience in Java, Spring Boot, microservices architectures to design, build, and scale backend systems … deliver high-quality services, collaborate across teams, and contribute to architectural and design decisions. Roles & Responsibilities Design, develop, and maintain scalable backend services using Java and Spring Boot Build and support microservices-based architectures with high availability and performance Develop and consume RESTful APIs and event-driven services Collaborate with ...

Full Stack Developer

Hiring Organisation
Coltech
Location
City of London, London, United Kingdom
Full Stack Developer (GCP/Java/Python) – Contract – Hybrid Location - London Hybrid working – 2–3 days per week onsite Employment Type - Contract Role Overview We are seeking a high-calibre, hands-on Full Stack Developer to join a platform engineering team delivering modern, secure cloud-native solutions. This role … business analysts, and product stakeholders. Contribute to continuous improvement of engineering practices and platform capabilities. Required Technical Expertise Strong hands-on development experience with: Java Python Node.js JSON Experience designing and building APIs and microservices architectures . Experience working within cloud environments , particularly: Google Cloud Platform (GCP) Strong understanding ...

Senior Java Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£130000 - £150000/annum
Senior Java Developer Location: London (Hybrid - 3 days in office) Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert (SME) in low latency trading systems. This is a hands-on development role focused on building … fast-paced, front-office environment, collaborating closely with developers, business analysts, project managers, and QA teams. This role demands deep technical expertise in Java , particularly in low latency environments , and a strong understanding of FX trading systems . You'll be expected to contribute to all phases of the software ...

Junior Java Software Engineer

Hiring Organisation
Quant Capital
Location
London, UK
Java Software Engineer – Data Engineering Up to £70,000 + bonus and benefits 4:1 hybrid in office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility … PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support) Maintain ...

Mid-Level Java Software Engineer

Hiring Organisation
Quant Capital
Location
Greater London, England, United Kingdom
Java Software Engineer – Data Engineering Up to £100,000 + bonus and benefits 4:1 hybrid in office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility … PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support) Maintain ...

Java Developer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Java Developer Hybrid - 2 Days/Week in London (Victoria) | £50,000-£60,000 + Benefits | Permanent We're seeking a talented Java Developer with strong Spring Framework experience to join a high-performing team delivering large-scale, enterprise-grade applications. Key Focus Areas: Design, develop, and maintain Java-based … Collaborate with cross-functional teams to deliver high-quality software Contribute to solution design, performance tuning, and code reviews Requirements: Proven experience as a Java Developer (Spring Boot/Spring Framework) Degree in IT or a business-related discipline (essential) Experience within financial services or public sector environments (beneficial) Details ...

Back End Developer / SRE Java JVM - Fintech

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Back End Developer/SRE (Java JVM) London/WFH to £110k Are you a Back End Developer/SRE with a strong knowledge of Java and JVM internals? You could be progressing your career in an impactful role at a global Fintech that has been consistently voted … advisor to influence system design, ensuring reliability standards and driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such ...

Java Developer (E-Trading)

Hiring Organisation
AMS CWS
Location
London, United Kingdom
Employment Type
Contract
with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On behalf of Deutsche Bank, we are looking for a Java Developer (E-Trading) for a 6 Month contract based in London. The Role & Responsibilities: Deutsche Bank's Quantitative Fixed Income Engineering team, part of Group … reviewer) Collaborate closely with engineers, quants, and traders across regions Translate trading desk requirements into robust technical solutions Key Accountabilities, Skills & Experience: Expert-level Java (core Java, collections, multithreading, networking) Proven experience in low-latency and/or high-performance systems Background in electronic trading, pricing, or real-time trading ...

Embedded Software Test Engineer

Hiring Organisation
Expert Employment
Location
N2, Garden Suburb, Greater London, United Kingdom
Employment Type
Permanent
Understanding of the Software Development Lifecycle, especially testing and integration Experience testing Windows and PC-based software Knowledge of scripting or programming (Python, Bash, Java, etc.) Degree in Engineering, Computer Science, or related field ...

Quantitative Analyst

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

Quantitative Analyst

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

T24 Techno-Functional Consultant

Hiring Organisation
FINCROFT
Location
Central London, Walbrook, United Kingdom
Employment Type
Permanent
Responsibilities Gather and translate business requirements into functional and technical solutions Design and develop changes within T24 (TAFJ/jBASE/InfoBasic/Java) Configure modules including Payments and Arrangement Architecture (AA) Support integrations, interfaces, and system upgrades Provide production support and troubleshooting as required Key Requirements Strong hands ...

AI Engineer

Hiring Organisation
X4 Technology
Location
City of London, London, United Kingdom
Generative AI models Strong ML fundamentals (training, evaluation, problem framing) Experience deploying AI systems into production environments Strong programming skills (Python, JS/TS, Java, C++, or similar) Apply now for more information ...

Senior Solutions Architect

Hiring Organisation
Advanced Resource Managers
Location
City of London, London, United Kingdom
suppliers such as Cubic, Scheidt & Bachmann, or INIT is highly desirable. Back Office Architect: Focus on transaction processing and payment systems, including backend design (Java/.NET/Oracle) and integration with payment acquirers (Visa, Mastercard, Amex). Responsibilities: Develop and maintain end-to-end solution architectures and capability roadmaps. ...

ServiceNow Architect

Hiring Organisation
BrightBox Group
Location
Remote work, Bunhill, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Remote Working
hardware, network products, system software, and security measures. Qualifications - 5-10 years of experience in software development, with a strong background in Scala/Java 8 and ServiceNow - Proven experience with AWS (Amazon Cloud) and familiarity with DevOps tools. - Expert knowledge in transforming business problems into effective technical designs ...

Technical Lead

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
part in shaping architecture, mentoring engineers, and driving best practices across the platform. They’re looking for people with experience in: Kotlin (or strong Java engineers willing to transition) AWS or other major cloud platforms Event-driven & microservices architectures Working in modern, product-driven tech environments Leading teams while remaining ...

Senior Solutions Architect

Hiring Organisation
ARM
Location
Greenwich, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £749/day
suppliers such as Cubic, Scheidt & Bachmann, or INIT is highly desirable. Back Office Architect: Focus on transaction processing and payment systems, including backend design (Java/.NET/Oracle) and integration with payment acquirers (Visa, Mastercard, Amex). Responsibilities: Develop and maintain end-to-end solution architectures and capability roadmaps. ...

KDB+ Engineer - Associate/AVP

Hiring Organisation
Quanteam UK
Location
City of London, London, United Kingdom
multi-dealer venues, single dealer platform, pricing and trader tools, and supports FX spot, forward, options and deposits. The services are implemented in C#, Java and KDB+. The FX business is looking to improve their electronic footprint by leveraging KDB+ to determine client toxicity, back-testing and parameterisation of trading ...

Program Manager - Microsoft Dynamics

Hiring Organisation
KPMG UK
Location
Greater London, England, United Kingdom
implementation projects, preferably utilising the Microsoft stack; - Ideally experienced in delivery of eCommerce projects, preferably utilising Magento and/or .Net or Java-based basket platforms; - Experience of delivery on online solutions such as eCommerce and/or customer portals with complex integration to line of business systems and payment ...

IDAM Back-end Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £535/day
IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35 : Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking … back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service ...

Web Application Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
ideal candidate will have strong expertise in modern web frameworks, Azure services, and secure application development practices. This role involves working on a Java/Spring-based platform hosted on AKS, ensuring scalability, security, and performance. Key Responsibilities: Design and develop responsive web applications using Angular , React , or Next.js with … Tailwind CSS . Implement secure authentication and authorization using Microsoft Azure AD B2C (OIDC/OAuth2, MFA). Integrate with backend services built on Java Spring Boot running on AKS . Work with Azure Database for PostgreSQL and implement RBAC + ABAC for data isolation and security. Configure and manage ...