1 to 25 of 239 Java Jobs in London

Java Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Java Developer Hybrid Working - Local - 1-2 days a week on site. Financial Services Lorien's leading banking client is looking for a Java Developer who thrives on delivering low-latency, scalable services and event-driven architectures. If you're experienced with Java , Apache Kafka , OpenShift , and have a strong … Umbrella. Working in a Hybrid Model of 2 days a week on site. What you'll do Design, build, and maintain microservices in Java (preferably Java 11+/17) for mission-critical payment flows. Develop event-driven solutions using Kafka (producers/consumers, schema management, stream processing). Deploy ...

Java Software Engineer

Hiring Organisation
PSD Group
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Java Software Engineer Java, J2EE, Spring, React, Node, SpringBoot, Hibernate, RabbitMQ, SQL We are seeking a Java Software Engineer with at least 5 years experience of working in a SaaS production environment. Our client is a leading provider of investment and wealth management solutions where you will joining a team … five who actively support the development, enhancement and troubleshooting of Java applications. To be considered for this role you will need previous experience supporting financial applications in a production environment. Essential Skills: Technical experience with designing systems utilising OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST ...

Senior Developer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
Healthcare Frontend Toolkit and Design System to build accessible, user-focused interfaces. Develop back-end services primarily in Python , while supporting existing systems in Java and .NET . Maintain and enhance legacy services using Oracle SQL PL . Implement robust CI/CD pipelines and infrastructure using AWS, Azure ...

Senior Developer

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
Healthcare Frontend Toolkit and Design System to build accessible, user-focused interfaces. Develop back-end services primarily in Python , while supporting existing systems in Java and .NET . Maintain and enhance legacy services using Oracle SQL PL . Implement robust CI/CD pipelines and infrastructure using AWS, Azure ...

Data Reporting engineer Python/.Net UK/Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350.00 - £400.00 per hour
must have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python as the primary backend language, with support for Java and .NET Oracle SQL PL for maintaining existing services Experience with AWS, Azure, SQL Server, Postgres, GitHub, Azure DevOps, Linux, Docker and Kubernetes Understanding of continuous ...

Senior Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
working with complex data challenges. Python as the preferred back-end language for new services, however we also need to support languages including Java and .NET. Oracle SQL PL to support existing services. Infrastructure/DevOps technologies including AWS, Azure, SQL server, Postgres, GitHub, Azure DevOps, Linux, docker and Kubernetes ...

Advanced Technical Support Engineer 3

Hiring Organisation
Ciena
Location
London, UK
Employment Type
Full-time
Linux skills with some scripting a plus Strong Network Troubleshooting experience Knowledge of the OSS/BSS/Network Management solutions/Systems. Languages: JAVA, Python, Shell Scripting. Database(s): PostgreSQL, Neo4j, Mysql Knowledge of SNMP, Syslog, ICMP, and SSH is recommended Hands-on experience on RESTful APIs – interconnected software ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Java Engineer Salary to £60k + 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 either SC or DV clearance. (SC) 5 years & (DV) 10 years residency in the UK with … data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients ...

Java Engineer

Hiring Organisation
Profile 29
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
Java Engineer • Salary to £60k + 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 either SC or DV clearance. (SC) 5 years & (DV) 10 years residency in the UK with … deliver citizen services. They’re growing fast and looking for bright, dynamic people to help build their business. Role They’re looking for a Java Engineer to join their implementation team. You’ll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration — helping their public-sector ...

Full Stack Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£459 - £460/day
working with complex data challenges. Python as the preferred back-end language for new services, however we also need to support languages including Java and .NET. Oracle SQL PL to support existing services. Infrastructure/DevOps technologies including AWS, Azure, SQL server, Postgres, GitHub, Azure DevOps, Linux, docker and Kubernetes ...

DevOps Engineer CGEMJP00321238

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
agreed) Rate: up to £565.80 p/d Umbrella inside IR35 Clearance required: Active SC Clearance is essential Role purpose/Skillset Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of development processes. Experience of containerisation using ...

Full Stack Typescript Engineer

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
NoSQL databases (especially MongoDB) or SQL (e.g., Postgres) Understanding of web standards, accessibility and development best practice Bonus Skills Building microservices in C# or Java Integrating LLMs (e.g., LangChain, Vercel AI) Using the GOV.UK Design System and Nunjucks What You'll Love You'll join a community that values technical ...

Technical Lead

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
containerisation (Docker, Kubernetes) Proven leadership of distributed engineering teams Desirable: Background in social media, advertising, eCommerce, or news Proficiency in Node.js, Go, Python, Java , and modern front-end frameworks AWS certifications, microservices/service mesh, and streaming tech (Kafka/Kinesis) If you're ready to solve hard problems , enjoy ...

Head of DevOps

Hiring Organisation
83zero Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £110000/annum Plus benefits
containerisation (Docker, Kubernetes) Proven leadership of distributed engineering teams Desirable: Background in social media, advertising, eCommerce, or news Proficiency in Node.js, Go, Python, Java , and modern front-end frameworks AWS certifications, microservices/service mesh, and streaming tech (Kafka/Kinesis) If you're ready to solve hard problems , enjoy ...

DevOps Lead

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
containerisation (Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and streaming tech (Kafka/Kinesis). If you're ready to tackle hard ...

Non-Functional Tester

Hiring Organisation
Bestman Solutions
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
technology environments. Proven experience designing and executing tests across multiple NFT domains (performance, DR, failover, resilience, and scalability). Strong understanding of distributed architectures, Java microservices, and containerised deployments. Proficiency with testing and monitoring tools such as JMeter, LoadRunner, Grafana, Dynatrace, Splunk, or AppDynamics. Familiarity with CI/ ...

Site Reliability Engineer

Hiring Organisation
JAM Recruitment Ltd
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day + Umbrella, inside IR35
than ticking every box. However, experience in any of the following areas would be advantageous: Software development in web technologies or OOP (e.g., Python, Java, etc.) Database tech: Oracle SQL, PostgreSQL, MongoDB Proficient with Linux/Windows command line (Bash, PowerShell) Monitoring: Grafana, Prometheus, ELK, Splunk Agile working and tooling ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800/day
experience in financial services or fintech -ideally within investment banking, trading, or insurance. Strong programming skills in Python, plus experience with languages such as Java, C++, or Go. Familiarity with modern UI frameworks (TypeScript, Node.js). Hands-on experience with AI/ML frameworks (TensorFlow, PyTorch) applied to financial datasets. ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 per day
experience in financial services or fintech -ideally within investment banking, trading, or insurance. Strong programming skills in Python, plus experience with languages such as Java, C++, or Go. Familiarity with modern UI frameworks (TypeScript, Node.js). Hands-on experience with AI/ML frameworks (TensorFlow, PyTorch) applied to financial datasets. ...

Solutions Engineer

Hiring Organisation
DXC Technology
Location
London, United Kingdom
Employment Type
Permanent
Azure, GCP), DevOps, and microservices. Hands-on experience with observability tools, APM, log analytics, and infrastructure monitoring. Proficiency in scripting or programming languages (e.g., Java, Python, JavaScript). Certifications in Dynatrace, AWS, Azure, or GCP. Familiarity with OpenTelemetry, FluentBit, Cribl, or similar data pipeline tools.Ability to translate technical capabilities into ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience in data pipping and modelling using SQL, DBT, ETL, Data Warehousing, Redshift and Python ...

Principal Engineer, BCG Expand, London

Hiring Organisation
Boston Consulting Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
analytics Demonstrated success in launching and scaling technical products or platforms Strong programming skills in at least two of the following: Python, SQL, Java Commercial experience in client-facing projects is a plus, especially within multi-disciplinary teams Deep knowledge of database technologies: Distributed systems (e.g., Spark, Hadoop, EMR) RDBMS ...

Software Engineer - UK*C DV

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, Clerkenwell, United Kingdom
Employment Type
Permanent
Salary
£40000 - £85000/annum Excellent Benefits
following tech stack and be proactive in learning new technologies. You will have a learning and development budget to support this. Python, Java, TypeScript, JavaScript React, Angular, React Kubernetes (k8s) Docker AWS, Azure Elasticsearch, MERN, Neo4J Benefits Excellent company benefits including significant pension contributions, BUPA, equity and training allowance. ...

DevOps Engineers - SC Cleared

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £475/day
need to be a superstar-just strong, reliable, and experienced in the right tech stack. Tech Stack Cloud: AWS Messaging: Kafka Languages: Java, NodeJS Frameworks: Spring Boot/Data, React Containers: Docker, Kubernetes, Helm Frontend: Typescript/JavaScript Databases: Postgres Search: OpenSearch/ElasticSearch Testing: Playwright, Wiremock Monitoring: Grafana, Prometheus ...

C#/.NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£46000 - £70000/annum pension, health care, perks
agile environments Desirable Experience Docker, Docker Compose Terraform or other IaC tools EF Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available ...