151 to 175 of 2,383 Java Jobs in London

Java Engineer with AI

Location
Greater London, England, United Kingdom
approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. Key Responsibilities Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists … quality standards Work with cloud platforms to deploy AI-powered services Contribute to architecture decisions and technical roadmaps Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with data scientists ...

Java Backend Developer

Location
City Of London, England, United Kingdom
inclusive, adaptable, and forward-thinking organization, Location: London, Hybrid 2 days a week from Office Role Summary We are seeking an experienced Java Backend Developer to design, develop, and support scalable enterprise applications using Java and Spring technologies . The ideal candidate should have strong software engineering fundamentals, hands … support, and continuous improvement of application stability, performance, and monitoring. Day to Day Job Duties Design, develop, test, and implement new application functionality using Java and Spring/Spring Boot . Develop backend services, APIs, and reusable application components. Work closely with business stakeholders and Business Analysts to understand functional ...

Senior Full Stack Java Engineer

Location
Greater London, England, United Kingdom
Project description As a Senior Full Stack Java Engineer within the US Corporate Loans POD, you will design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms. You will leverage modern cloud-native technologies, AI-assisted development tools, and Agentic AI practices to improve software … optimize application and integration performance. SKILLS Must have Core Engineering 8+ years of software engineering experience, ideally within Financial Services. Strong expertise in Java, Spring Boot, REST APIs, and distributed systems. Experience with Kafka, IBM MQ, or similar messaging technologies. Strong integration experience with Loan IQ, lending, banking, or enterprise ...

Java Developer ( SC Eligible/ SC Cleared )

Location
Greater London, England, United Kingdom
Java Developer ( SC Eligible/SC Cleared ) London, United Kingdom | Posted on 06/10/2026 Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With … user-centred design and agile delivery, and more to deliver innovative digital services that matter. Role Overview We are looking for a talented Java Developer to join our team and contribute to the design, development, and maintenance of high-performance applications. The ideal candidate has a solid understanding of Java ...

Java Developer Algo Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Developer Algo Trading Up to 120,000 + benefits and bonus Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their Algo Trading Strategy team. This will be building out a brand new greenfield trading platform. You will be 1 of 2 developers … house with performance figures of 22%. They are currently looking to expand their high and intraday trading presence across FX and commodities. The Java Developer will: Work closely with the Head of Trading and the Quant Team and assist in design and development of new trading algorithms, mainly ...

Senior System Architect - Trading platform

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 130,000 - 150,000 Annual
Enterprise Architecture Strong software engineering background across Front End, Back End, or Middleware technologies Hands-on development experience with technologies such as C#, Java, JavaScript/TypeScript, or C++ Strong understanding of cloud platforms (AWS preferred), microservices, containerisation, and APIs Experience with CI/CD, Infrastructure as Code ...

Automation Tester – Front End, Security Cleared

Location
Greater London, England, United Kingdom
across testing stages Experience working with cross-functional teams, including developers and QA team members Familiarity with Docker and Kubernetes Automated API testing with Java, such as RestAssured or SoapUI Experience with Jira, Confluence, or similar collaborative tools Working knowledge of CI/CD pipelines and tools such as Jenkins ...

Support Engineer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Design, Implementation, Testing, Deployment and Support phases. Knowledge of Application servers such as Jboss/WebSphere. Technical experience with designing systems utilising OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST web services using XML/JSON, Spring security, SpringBoot and AMQP/RabbitMQ.Experience in writing ...

Quantitative Developer

Location
Greater London, England, United Kingdom
automate experiments, and ensure reproducible results. STEM graduate (or final-year student) with demonstrable coding ability. Strong Python skills (other OOP languages such as Java or C++ are welcome and seen as a plus). Practical experience with SQL and relational databases Comfortable with the command line and modern version ...

Senior Engineer, Systematic Data

Hiring Organisation
Balyasny Asset Management
Location
London, UK
Employment Type
Full-time
trading environment (e.g. hedge fund or investment bank) – ideally systematic/quantitative in nature Beneficial Proficient in one or more OO programming languages (e.g. Java/C#) Experience with datasets used for cash equity research and trading Experience with distributed computing (e.g. Spark/Dask, Slurm/HTCondor) Experience with ...

Software Engineer

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
knowledge of utilizing Azure SQL Server, Data lake, etc. In-depth knowledge & experience using Visual Studio, with one of the programming languages: C#/Java/JavaScript/Python, and PowerShell. Thorough understanding of the fundamental architecture of the cloud and on-prem MSFT Suite. Solid fundamentals and thorough understanding ...

Software Engineer III - Cloud Platform Engineering

Location
Greater London, England, United Kingdom
troubleshooting in a professional or project-based environment Proficiency, or a strong working foundation, in one or more programming languages such as Go, Java, or Kotlin Working understanding of agile methodologies, CI/CD pipelines, and secure development practices Foundational understanding of cloud and container technologies, including core Kubernetes concepts ...

Head of Software Delivery

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
Experience with Equation and SQL Server environments. Technical Skills: Strong knowledge of software development methodologies (e.g., Agile, Scrum, DevOps).Proficiency in programming languages (e.g., Java, C#, Python) and software development tools. Experience with core banking systems (e.g., Equation), Treasury systems, and finance systems. Proficiency in SQL Server and database management. ...

Software Developer in Test - C3

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
from you! Essential Skills & Experience: Eligibility for Security Clearance Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Knowledge of integration testing ...

Head of Software Development

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
Experience with Equation and SQL Server environments. Technical Skills: Strong knowledge of software development methodologies (e.g., Agile, Scrum, DevOps).Proficiency in programming languages (e.g., Java, C#, Python) and software development tools. Experience with core banking systems (e.g., Equation), Treasury systems, and finance systems. Proficiency in SQL Server and database management. ...

Engineering Manager

Location
Greater London, England, United Kingdom
Software Development Proven experience designing and developing microservice-based architectures A background in development with strong prior experience in languages and frameworks such as Java, Python, JavaScript, Node.js, Spring Boot, Flask, Kotlin Direct commercial experience with a major cloud provider. GCP is preferred Experience working in and advocating ...

Site Reliability Engineer with Python

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
implementing timely cost-effective solutions Experience designing, building, and operating large-scale production systemsDeep knowledge of Python is preferred, though other languages like Java, Go, Rust, or similar will also be heavily consideredExperience using source control (Git, GitHub) and feature branching strategiesExperience with a variety of open-source databases (MySQL ...

Platform Engineer

Location
Greater London, England, United Kingdom
training and support to team members on the use of tools and systems. Key Requirements Essential Skills Programming Languages: Proficiency in languages like Python, Java, Groovy, or Go. Operating Systems: Proficiency in Linux(RHEL) and Windows systems. SDLC Tools: Experience with tools such as Jira, Confluence, Bitbucket, Nexus, Zephyr. ...

Security Engineer - Software Security Enablement

Hiring Organisation
Bloomberg
Location
London, UK
Employment Type
Full-time
static analysis security testing tools such as CodeQL and Semgrep. Broad familiarity with programming language ecosystems and frameworks, particularly C++, JavaScript/TypeScript, Python, Java as well as well as modern systems and infrastructure languages such as Go and Rust Experience using LLMs or AI-assisted tools for security assessments ...

Technical Architect

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
bring: Proven experience as a Technical Architect, Solution Architect, or similar role. Strong software development background with hands-on coding experience (e.g., Java, .NET, Python, or relevant tech stack).Demonstrated ability to manage and lead development teams effectively. Deep understanding of programme and project management principles and lifecycle. Excellent interpersonal ...

Blockchain / DLT Developer

Hiring Organisation
Delta Capita
Location
London, UK
Employment Type
Full-time
Web3 libraries such as Web3.js, Ethers.js, or equivalent SDKs for Hedera and Algorand. Proficiency in one or more backend languages (e.g. Node.js, Python, Go, Java) and RESTful/event-driven API design. Familiarity with blockchain development toolchains including Hardhat, Truffle, Foundry, or equivalent. Experience with version control (Git) and collaborative ...

Software Engineer

Location
Greater London, England, United Kingdom
field. Experience as a Senior/Lead SRE or Software Engineer delivering distributed, high-availability SaaS platforms at scale. Strong proficiency in Python, Go, Java, or C++ with experience designing microservices, APIs, and production automation. Deep experience with Kubernetes, Docker, and container orchestration in large-scale multi-cluster environments. Proven ...

Lead Software Engineer, Vice President

Hiring Organisation
State Street Bank
Location
London, UK
Employment Type
Full-time
modern frontend technologies, such as: React, Angular, or VueBuilding highly performant, interactive, data-driven user interfacesStrong backend engineering experience using technologies such as: Python, Java, Node.js, or similarScalable service design and data processing pipelinesExperience working with data and analytics platforms, including visualization and large-scale data handlingExposure to or experience ...

DevOps Engineer - AWS & Terraform

Location
Greater London, England, United Kingdom
production platforms. Strong experience with Kubernetes (container orchestration) and Terraform. Hands-on experience managing and automating AWS infrastructure. Proficiency in one or more languages: Java, Python, Bash, or Go. Experience working with Helm for Kubernetes application packaging and deployment. Solid Linux fundamentals, troubleshooting, and operational support skills. Proven experience designing ...

Senior Data Engineer (Data Platform)

Location
Greater London, England, United Kingdom
Platform Engineering or Software Engineering working with Data - Strong SQL expertise, particularly in complex analytical and warehouse queries - Proficiency in Python and/or Java - Experience with Data Warehouses, such as Snowflake or Apache Iceberg - Practical knowledge deploying and operating containerised workloads using Docker and Kubernetes - Knowledge of streaming tooling ...