1 to 25 of 73 Contract Java Jobs in London

Java Developer

Hiring Organisation
Lorien
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
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 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 ...

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
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 ...

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 ...

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 ...

PySpark Developer - Financial Services

Hiring Organisation
Vallum
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Experience of programming under Microsoft Fabric Platform Python/Notebook programming PySpark programming Spark Streaming/batch processing Delta table Optimization Fabric Spark jobs Java programming language, OOP knowledge Database knowledge, including Relational Database and Non-SQL database. Experience of using the tools: Gitlab, Python unit test, CICD pipeline. Good ...

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 ...

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 ...

Senior Full Stack Engineer

Hiring Organisation
Quinnox Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £450 per day
financial platforms. Deeply skilled in software design and architecture, ideally across cloud-native environments (AWS preferred). Proficient in modern development frameworks, such as Java, Python, or Node.js , and familiar with microservices, APIs, and event-driven architectures. Experienced in cloud and infrastructure-as-code technologies, such as Terraform, Kubernetes, Docker ...

PySpark

Hiring Organisation
Vallum
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Annual
including RDDs, Data Frames, and Spark SQL Python/Notebook programming PySpark programming Spark Streaming/batch processing Delta table Optimization Fabric Spark jobs Java programming language, OOP knowledge Database knowledge, including Relational Database and Non-SQL database. Experience of using the tools: Gitlab, Python unit test, CICD pipeline. Good ...

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. ...

Full Stack Developer (React Native )

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£420 per day 420 GBP/day InsideIR35
financial platforms. Deeply skilled in software design and architecture, ideally across cloud-native environments (AWS preferred). Proficient in modern development frameworks, such as Java, Python, or Node.js , and familiar with microservices, APIs, and event-driven architectures. Experienced in cloud and infrastructure-as-code technologies, such a s Terraform, Kubernetes ...

DevOps Engineer- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £700 per day, Negotiable
Kubernetes, for example. - Experience with Infrastructure as code technologies like ansible or terraform. - Ideally a has a coding background, utilising languages such as Python, Java, Spring Boot TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further information please call me:/. ...

SDET Automation Role

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Knowledge & Experience Experience in software quality assurance and test automation, specifically in finance applications. Proficiency in at least two of the following programming languages: Java, Python, or C#. Strong understanding of software testing principles and hands-on experience with automation frameworks (e.g., Selenium, Cucumber, TestNG). Experience in CI/ ...

SDET Automation Role

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Knowledge & Experience Experience in software quality assurance and test automation, specifically in finance applications. Proficiency in at least two of the following programming languages: Java, Python, or C#. Strong understanding of software testing principles and hands-on experience with automation frameworks (e.g., Selenium, Cucumber, TestNG). Experience in CI/ ...

DevOps Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £478/day
engineer to design, implement and maintain the infrastructure, tools and processes that enable rapid development and high-quality software development. Tech Stack Required: Kafka Java docker Spring (framework boot, Data) K8 Helm React Typescript/JavaScript Postgres Open Search/ElasticSearch Playwright Wiremock Grafana Prometheus Dynatrace Git NodeJS Rest ...

Mulesoft Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £520/day
requirements & translate them into integration solutions. Required Skills: Good experience of: Integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such as Amazon Web Services ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£850 - £950/day
cross-functional teams for safe AI adoption. Qualifications Degree in Computer Science, Data Science, Finance, or related field. Strong programming skills (Python, SQL, C++, Java, etc.). Experience with AI/ML frameworks (TensorFlow, PyTorch). Minimum 4+ years in AI roles within finance or consulting. Knowledge of AI ethics ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 - £950 per day
cross-functional teams for safe AI adoption. Qualifications Degree in Computer Science, Data Science, Finance, or related field. Strong programming skills (Python, SQL, C++, Java, etc.). Experience with AI/ML frameworks (TensorFlow, PyTorch). Minimum 4+ years in AI roles within finance or consulting. Knowledge of AI ethics ...

Technical Architect - SC Cleared

Hiring Organisation
LA International Computer Consultants Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
security controls. * Deep understanding of secure and resilient system design, including authentication patterns, threat modelling, performance considerations, and observability. * Familiarity with Ruby, Python, or Java, and modern development practices such as CI/CD, TDD, and containerisation. * Experience guiding technology decisions, evaluating options, and influencing senior stakeholders. * Strong understanding ...

AI Evangelist - Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £1,200 per day
Master's degree in Computer Science, Data Science, Finance, or a related field. Experience with high-level programming languages such as C++, Java, or C#. Proficiency with TypeScript, Node.js, and modern JavaScript frameworks for UI development. Strong hands-on experience with Python, SQL, and AI/ML frameworks (e.g., TensorFlow ...

AI Evangelist - Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £1000/day
Master's degree in Computer Science, Data Science, Finance, or a related field. Experience with high-level programming languages such as C++, Java, or C#. Proficiency with TypeScript, Node.js, and modern JavaScript frameworks for UI development. Strong hands-on experience with Python, SQL, and AI/ML frameworks (e.g., TensorFlow ...