1 to 25 of 85 Java Jobs in the City of London

Senior Java Software Engineer

Hiring Organisation
TetriQ Solutions
Location
City of London, London, United Kingdom
Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing … conducting code reviews, troubleshooting complex technical issues, and driving innovation with new technologies. Key Responsibilities: • Team Leadership: Lead, mentor, and guide a team of Java developers in the development lifecycle. • Project Management: Oversee Java development projects from conception to completion, ensuring alignment with project requirements and timelines. • Technical Expertise: Design ...

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
policies and participate in audits and vulnerability remediation. Maintain accurate documentation, including topology diagrams, runbooks, and configuration baselines. Support proprietary messaging APIs using C++, Java, Python, and C# programming languages. Provide support for proprietary cache and gateways that integrate applications with the messaging service. Required Skills & Qualifications: 3+ years ...

QA Engineer - Payments

Hiring Organisation
Crisil
Location
City of London, London, United Kingdom
within payments, transaction banking or financial services. Strong hands-on experience in automation frameworks such as Selenium, RestAssured, Karate, Cypress or similar. Proficiency in Java or Python for automation scripting. Experience testing payment processing systems, APIs and integration flows. Strong understanding of payment lifecycles and schemes (SWIFT, SEPA ...

Industry Principal- LLMs, agentic coding systems, intelligent IDEs, AI

Hiring Organisation
Infosys
Location
City of London, London, United Kingdom
DevSec & Responsible AI: Privacy‐by‐design, PII handling, secrets management, policy enforcement, human‐in‐the‐loop approvals, auditability. Languages: Advanced Python plus one of Java/TypeScript/Go; containerization (Docker/K8s). Leadership & Communication: Executive presence: influence C‐suite decisions with crisp, data‐backed narratives. Lead distributed teams ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda … code reviews, and take full ownership of feature development from design to production. Essential skills/knowledge/experience: Minimum 10 years of experience Java application development Strong hands-on expertise in Java 11+ (preferably Java 17 or latest) Proficiency in Spring Boot, Microservices architecture, and Core Spring Experience with ...

Senior Full-Stack Engineer (Java & Python)

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack development, and business … MUST have 5+ years experience in data or software engineering within financial services or a similar regulated industry. Strong full-stack experience with Python , Java (Spring Boot) , React , SQL, and relational databases. Hands-on experience with modern data engineering tools (e.g. Airflow, Spark, Kafka, dbt, Snowflake or similar). Experience ...

Quality Assurance Tester

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
databases and logs , and tracing issues end-to-end. Key requirements: Strong manual and/or automated testing of complex web apps Experience testing Java/Spring Boot backends REST API testing (Postman/Swagger etc.) Strong SQL skills React/Next.js frontend testing experience AWS familiarity ...

Senior Backend Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
Proven hands-on experience in system design and architecture Focus on producing clean code whilst promoting excellent coding practices throughout the team Tech stack: Java 11-17, Springboot PostgreSQL/Kafka AWS/Kubernetes/Terraform Typescript/React Benefits: 10% bonus Life assurance 25 days annual leave (option ...

Senior Software Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
adopt modern cloud-native technologies and best practices Promote high engineering standards across code quality, testing, and automation Skills: Strong backend engineering capability (Golang, Java, or .NET) Strong hands-on experience building and operating distributed systems in cloud environments (AWS or GCP) Kubernetes and container orchestration experience Infrastructure as Code ...

Senior AI Engineer (Google)

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
bring Experience of AI architectures, LLMs, vector databases, and agent frameworks such as Google ADK Strong software development experience in Python and/or Java, with familiarity with the Agile software development lifecycle. Experience with AI/ML solution development - from prototype to deployment - ideally within a large enterprise environment. ...

AI Systems Developer (Google)

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
bring Experience of AI architectures, LLMs, vector databases, and agent frameworks such as Google ADK Strong software development experience in Python and/or Java, with familiarity with the Agile software development lifecycle. Experience with AI/ML solution development - from prototype to deployment - ideally within a large enterprise environment. ...

Senior Platform Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
adopt modern cloud-native technologies and best practices Promote high engineering standards across code quality, testing, and automation Skills: Strong backend engineering capability (Golang, Java, or .NET) Strong hands-on experience building and operating distributed systems in cloud environments (AWS or GCP) Kubernetes and container orchestration experience Infrastructure as Code ...

Graduate Software Engineer

Hiring Organisation
Highbury Consulting
Location
City Of London, England, United Kingdom
look outside of this. They are; Have studied Computer Science or Maths at a Top University Have strong OOP – language is not important; Python, Java, C++/C#. Strong problem-solving capability Some SQL experience Have had internship or placement experience (non-negotiable) Salary range is £45K-£55K + bonus ...

Senior Forward Deployed Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

AI Systems Engineer (Google)

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
bring Experience of AI architectures, LLMs, vector databases, and agent frameworks such as Google ADK Strong software development experience in Python and/or Java, with familiarity with the Agile software development lifecycle. Experience with AI/ML solution development - from prototype to deployment - ideally within a large enterprise environment. ...

AI Specialist Engineer (Google)

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
bring Experience of AI architectures, LLMs, vector databases, and agent frameworks such as Google ADK Strong software development experience in Python and/or Java, with familiarity with the Agile software development lifecycle. Experience with AI/ML solution development - from prototype to deployment - ideally within a large enterprise environment. ...

AI Innovation Lead (Google)

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
bring Experience of AI architectures, LLMs, vector databases, and agent frameworks such as Google ADK Strong software development experience in Python and/or Java, with familiarity with the Agile software development lifecycle. Experience with AI/ML solution development - from prototype to deployment - ideally within a large enterprise environment. ...

AI Engineering Manager (Google)

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
bring Experience of AI architectures, LLMs, vector databases, and agent frameworks such as Google ADK Strong software development experience in Python and/or Java, with familiarity with the Agile software development lifecycle. Experience with AI/ML solution development - from prototype to deployment - ideally within a large enterprise environment. ...

Senior Java Software Engineer

Hiring Organisation
Information Tech Consultants
Location
City of London, Greater London, UK
Hiring: Java Full Stack Developer Location - Bournemouth, England Compensation : 45-50 LPA We are looking for a Java Full Stack Developer for a 1-year renewable contract based in Bournemouth (5 days onsite). Contract is renewable. Join a dynamic team driving cloud-native innovation! The Essentials: Exp: Minimum … years in Java & Spring Boot. Stack: Oracle, PostgreSQL, Docker, and Kubernetes. Cloud: Hands-on experience with AWS, Azure, or GCP. Ops: Monitoring with Prometheus, Grafana, or ELK Stack. The Role: Design & scale enterprise APIs and backend services. Lead cloud-native deployments and database optimizations. Mentor peers and drive continuous technical ...

Java Developer

Hiring Organisation
Sanderson Government and Defence
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 460 Daily
The ability to work with data throughout its lifecycle, from collection and storage to processing and analysis. Data developers are responsible for designing, implementing and maintaining the systems and infrastructure needed to handle large volumes ...

Quality Assurance Test Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
fintech startup looking for a hands-on QA Tester with a strong payments background . You’ll work directly with the CTO, testing across Java/Spring Boot APIs, React frontends, SQL databases and AWS environments . Must be comfortable digging into logs, APIs and backend systems — not just surface ...

Software Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
development experience. AI/ML Focus : Experience with Large Language Models ( LLMs ), agentic development, Vertex AI , and vector databases (semantic search). Additional Skills : Java, Kotlin, and Go are 'nice-to-have' but not mandatory. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

Principal Software Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
adoption of modern cloud-native and GitOps practices Mentor senior engineers and influence engineering culture at scale Skills Required: Strong backend engineering ability (Go, Java or .NET) Extensive hands on expertise designing and operating high scale distributed systems Deep expertise in cloud native architecture (GCP/AWS) Advanced Kubernetes ...

Platform Engineer

Hiring Organisation
Digital Skills ltd
Location
City of London, London, United Kingdom
expertise with Control Tower and multi-account strategies Deep understanding of AWS security Strong Infrastructure as Code and automation experience Programming skills in Python, Java or similar languages Experience with Kubernetes/EKS This is a great role with a growing client. They offer a superb package ...

Identity & Access Management Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
least privilege access enforcement What you need: Practical RSA IGL (or similar IAM) experience SQL/PSQL, Oracle, REST/SOAP web services, JAVA/JSP, HTML/CSS/JS basics Linux/Windows servers, SQL/Oracle databases Excellent attention to detail, communication skills, PowerShell scripting Incident management ...