151 to 175 of 180 Contract Java Jobs

Full Stack Developer - Active DV, Java Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Lead Full Stack Developer with DV clearance, to join a business-critical programme. Key Requirements: Proven experience working as a Lead Java Developer within the public sector Active Developed Vetting (DV … clearance Expertise in a range of technologies, including Java 8 and 17+, Spring/Springboot, React/HTML AWS Cloud Service experience Working experience with MySQL Nice to have: Technical hands on experience with Terraform, Kibana, Apache Camel Linux in a containerised environment Immediate availability If you're interested in this role, click 'apply now' to forward an up-to More ❯

Length: 6 months (long-term extensions very likely). Location: Cheltenham (5 days on-site) Clearance: Live eDV required Start Date: ASAP Key Responsibilities: Build and deploy code using Java, Maven, NPM, Terraform, and Ansible across OpenShift, RHEL/CentOS, and Docker. Monitor and optimise system performance with Influx and Grafana. Provide 2nd/3rd line support, incident response, and … root cause analysis. Carry out BAU maintenance including patching, database housekeeping, and automation to reduce toil. About You: Strong background in managed service environments. Experience with Java development, CI/CD pipelines, and Git. Knowledge of microservices, cloud/container platforms, and infrastructure-as-code tools. Excellent problem-solving and communication skills. Site Reliability Engineer | Cheltenham | £600 per day (Outside More ❯

Contract Lead Full Stack Developer | Java/TypeScript/Node.js/Next.js | Fully Remote | £550-£600 p/day | Outside IR35 | 3-week contract A long-standing client of ours is looking for a user-focused Senior Developer to deliver the final phase of a large-scale SaaS platform. The project is currently around 60% complete, and you'll be … Start Date: 25th August/1st September (TBC) Key Responsibilities Lead development of the remaining platform features to completion. Work across front-end (React, TypeScript, Next.js) and back-end (Java, Node.js, Supabase, Postgres) . Responsible for backend architecture, API design, and integration strategy. Implement serverless functions using AWS Lambda for backend microservices. Work with AWS EventBridge, SQS, SES, SNS for … Node.js/Next.js (both ideal) Deep knowledge of AWS Lambda If this sounds like you and you're up for this project- apply now! Contract Lead Full Stack Developer | Java/TypeScript/Node.js/Next.js | Fully Remote | £550-£600 p/day | Outside IR35 | 3-week contract Oscar Associates (UK) Limited is acting as an Employment Business in relation More ❯

to understand pricing requirements and implement effective solutions. Conduct in-depth data analytics to identify pricing trends, anomalies, and opportunities for optimization. Work with the technology stack, primarily utilizing Java and C++, to create robust and scalable applications. Perform rigorous testing and debugging to ensure the integrity and performance of pricing systems. Contribute to the continuous improvement of existing systems … Front Office technology is preferred, in particular with knowledge of interest rate swaps, bonds and futures Strong knowledge of pricing methodologies for Rates, FX, Credit, and Equities. Proficiency in Java and C++ with a focus on low-latency application development. Solid understanding of data analytics and the ability to interpret complex datasets. Experience working on a trading floor, with a More ❯

to understand pricing requirements and implement effective solutions. Conduct in-depth data analytics to identify pricing trends, anomalies, and opportunities for optimization. Work with the technology stack, primarily utilizing Java and C++, to create robust and scalable applications. Perform rigorous testing and debugging to ensure the integrity and performance of pricing systems. Contribute to the continuous improvement of existing systems … Front Office technology is preferred, in particular with knowledge of interest rate swaps, bonds and futures Strong knowledge of pricing methodologies for Rates, FX, Credit, and Equities. Proficiency in Java and C++ with a focus on low-latency application development. Solid understanding of data analytics and the ability to interpret complex datasets. Experience working on a trading floor, with a More ❯

Contract Technical Lead Rate: Up to £750 per day (Umbrella Rate, Depending on Experience) Contract: 12 months Location: Leeds, Manchester or Newcastle - Hybrid (3 Days Onsite per Week) Clearance: BPSS required (must be eligible for SC) About the Role We More ❯

in Mayfair, London. The key skills required for this Engineering Manager are: Leadership experience PIM/MDM platforms, with hands-on experience in STIBO STEP essential. Enterprise applications Languages - Java 17+ (Java 21 preferred) Frameworks - Micronaut (preferred), Spring Boot If you do have the relevant experience for this Engineering Manager position, please do apply. More ❯

in Mayfair, London. The key skills required for this Engineering Manager are: Leadership experience PIM/MDM platforms, with hands-on experience in STIBO STEP essential. Enterprise applications Languages - Java 17+ (Java 21 preferred) Frameworks - Micronaut (preferred), Spring Boot If you do have the relevant experience for this Engineering Manager position, please do apply. More ❯

Overview: We are seeking a seasoned Integration Architect to lead and support integration initiatives within a modern microservices environment. The ideal candidate will have strong expertise in Java Spring Boot microservices and Kafka integration, with a proven track record in enterprise-scale projects. Key Responsibilities: Architect and design integration solutions across distributed systems. Support build teams during the development of … Java Spring Boot microservices. Implement and optimise Kafka within an integration landscape. Collaborate with stakeholders to ensure seamless system connectivity. Contribute to redesign and migration of legacy integrations (nice to have). Essential Skills & Experience: Proven experience as an Integration Architect. Strong hands-on expertise with Java Spring Boot microservices . Solid background in Kafka for enterprise integration. Prior experience More ❯

I am currently working with a London-based financial services client who is actively seeking a Java/Kotlin developer to join a market-leading front office development team. What you'll need to succeed Java and Kotlin development experience within financial services (mandatory) Strong experience with Containerisation tools such as Kubernetes and Docker Good experience with MongoDB, and Databricks More ❯

I am currently working with a London-based financial services client who is actively seeking a Java/Kotlin developer to join a market-leading front office development team. What you'll need to succeed Java and Kotlin development experience within financial services (mandatory) Strong experience with Containerisation tools such as Kubernetes and Docker Good experience with MongoDB, and Databricks More ❯

support during test operations and anomaly investigations Author detailed test procedures, reports, and contribute to technical reviews Develop automated test procedures using bespoke high-level software (Open Center, Elisa, Java) Support spacecraft system investigations and environmental testing (TVAC, EMC, Magnetic) Collaborate with multidisciplinary teams including EGSE engineers, quality experts, and design architects What You Bring Technical Mastery: Proficiency in spacecraft … test scripting (CCS, Elisa, Java) Strong grasp of spacecraft subsystems: data handling, comms (1553, SpaceWire), AOCS, power, thermal, FDIR Experience with TMTC databases and electrical test equipment (oscilloscopes, probes, DMMs) Familiarity with Linux/Unix scripting (bash) and programming languages (C, Python, TCL, VBA) Understanding of cleanroom protocols and system verification standards Experience: 5+ years in spacecraft or avionics system More ❯

dApps) on the Hyperledger Besu platform. The ideal candidate will have deep expertise in Ethereum Virtual Machine (EVM), smart contract development, and blockchain architecture, with hands-on experience in Java and Solidity. Key Responsibilities Develop and deploy dApps using Hyperledger Besu. Write, test, and audit smart contracts in Solidity. Integrate blockchain components with existing enterprise systems. Collaborate with cross-functional … of blockchain nodes and networks. Maintain and troubleshoot deployed applications and smart contracts. Stay current with emerging trends in blockchain and Ethereum ecosystem. Required Skills & Experience Strong proficiency in Java and Solidity. Hands-on experience with Hyperledger Besu and EVM-based chains. Deep understanding of blockchain architecture and decentralized systems. Experience with smart contract development, testing, and deployment. Familiarity with More ❯

clusters and configure the system, scaling both vertically and horizontally in a load-balanced environment. Update and migrate custom modules & patches (oscript). Assist in configuration of integrated applications (Java/REST). Deliverables Configure new OTDS installation and migrate existing data. Perform index migration/rebuild as required. Conduct fault finding and performance tuning. Carry out functional testing of … multi-server clustered environments (Wintel). Knowledge of OTDS implementations and data migration. Knowledge and experience of Oracle databases, including SQL and stored procedures. Development expertise in oscript (cside), Java (CWS and REST), and WebReports. Knowledge of Content Server Records Management. Competencies & Personal Attributes Creativity and imagination. Strong team player. Excellent problem-solving skills. Effective communication skills. Quick learner, eager More ❯

in Mayfair, London. The key skills required for this Engineering Manager are: Leadership experience PIM/MDM platforms, with hands-on experience in STIBO STEP essential. Enterprise applications Languages - Java 17+ (Java 21 preferred) Frameworks - Micronaut (preferred), Spring B click apply for full job details More ❯

RPG Developer Remote - Java experience required We are seeking a highly skilled RPG Developer with strong full stack development expertise and a background in Java to join our dynamic team. This role will involve working on critical systems within the distribution and warehousing domain , driving innovation, and delivering high-quality solutions. Key Responsibilities Develop, enhance, and maintain RPG ILE applications … with a focus on distribution and warehousing systems. Contribute to full stack development initiatives, leveraging Java and Grails where appropriate. Design and implement robust, scalable, and secure solutions. Collaborate with cross-functional teams in an Agile/Scrum environment. Perform system analysis, technical design, and provide innovative solutions to complex business problems. Work independently while maintaining strong communication with the … wider team. Key Skills & Experience Proven experience as an RPG Developer with ILE programming expertise. Strong knowledge of Java and/or Grails for full stack development. Desirable skills: Familiarity with distribution and warehousing business processes. Solid understanding of Agile/Scrum methodologies. Hands-on experience with Kafka integration. Proficiency with GIT for version control. Strong skills in analysis and More ❯

RPG Developer Remote - Java experience required We are seeking a highly skilled RPG Developer with strong full stack development expertise and a background in Java to join our dynamic team. This role will involve working on critical systems within the distribution and warehousing domain , driving innovation, and delivering high-quality solutions. Key Responsibilities Develop, enhance, and maintain RPG ILE applications … with a focus on distribution and warehousing systems. Contribute to full stack development initiatives, leveraging Java and Grails where appropriate. Design and implement robust, scalable, and secure solutions. Collaborate with cross-functional teams in an Agile/Scrum environment. Perform system analysis, technical design, and provide innovative solutions to complex business problems. Work independently while maintaining strong communication with the … wider team. Key Skills & Experience Proven experience as an RPG Developer with ILE programming expertise. Strong knowledge of Java and/or Grails for full stack development. Desirable skills: Familiarity with distribution and warehousing business processes. Solid understanding of Agile/Scrum methodologies. Hands-on experience with Kafka integration. Proficiency with GIT for version control. Strong skills in analysis and More ❯

Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote Charles Simon Associates are exclusively recruiting for an Integration Engineer on an initial 3-month contract with the potential to extend. Location: Remote Day Rate: £450–£550 per day Inside IR35 Start Date: Ideally W/C 29th September Role Overview: We are looking for a skilled Integration … Experience: Strong knowledge of HL7 v2.x, HL7 v3, and FHIR interoperability standards. Hands-on experience with integration engines such as Mirth Connect, Rhapsody, Cloverleaf, or InterSystems Ensemble. Proficiency in Java, JavaScript, Python, or C#/.NET for scripting and interface development. Experience designing and consuming REST/SOAP APIs (JSON, XML). Solid understanding of healthcare workflows and clinical systems … or equivalent). Strong SQL/database skills for data transformation and troubleshooting. Familiarity with healthcare data security protocols and compliance frameworks. Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote More ❯

Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote Charles Simon Associates are exclusively recruiting for an Integration Engineer on an initial 3-month contract with the potential to extend. Location: Remote Day Rate: £450–£550 per day Inside IR35 Start Date: Ideally W/C 29th September Role Overview: We are looking for a skilled Integration … Experience: Strong knowledge of HL7 v2.x, HL7 v3, and FHIR interoperability standards. Hands-on experience with integration engines such as Mirth Connect, Rhapsody, Cloverleaf, or InterSystems Ensemble. Proficiency in Java, JavaScript, Python, or C#/.NET for scripting and interface development. Experience designing and consuming REST/SOAP APIs (JSON, XML). Solid understanding of healthcare workflows and clinical systems … or equivalent). Strong SQL/database skills for data transformation and troubleshooting. Familiarity with healthcare data security protocols and compliance frameworks. Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote More ❯

Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote Charles Simon Associates are exclusively recruiting for an Integration Engineer on an initial 3-month contract with the potential to extend. Location: Remote Day Rate: £450–£550 per day Inside IR35 Start Date: Ideally W/C 29th September Role Overview: We are looking for a skilled Integration … Experience: Strong knowledge of HL7 v2.x, HL7 v3, and FHIR interoperability standards. Hands-on experience with integration engines such as Mirth Connect, Rhapsody, Cloverleaf, or InterSystems Ensemble. Proficiency in Java, JavaScript, Python, or C#/.NET for scripting and interface development. Experience designing and consuming REST/SOAP APIs (JSON, XML). Solid understanding of healthcare workflows and clinical systems … or equivalent). Strong SQL/database skills for data transformation and troubleshooting. Familiarity with healthcare data security protocols and compliance frameworks. Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote More ❯

Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote Charles Simon Associates are exclusively recruiting for an Integration Engineer on an initial 3-month contract with the potential to extend. Location: Remote Day Rate: £450–£550 per day Inside IR35 Start Date: Ideally W/C 29th September Role Overview: We are looking for a skilled Integration … Experience: Strong knowledge of HL7 v2.x, HL7 v3, and FHIR interoperability standards. Hands-on experience with integration engines such as Mirth Connect, Rhapsody, Cloverleaf, or InterSystems Ensemble. Proficiency in Java, JavaScript, Python, or C#/.NET for scripting and interface development. Experience designing and consuming REST/SOAP APIs (JSON, XML). Solid understanding of healthcare workflows and clinical systems … or equivalent). Strong SQL/database skills for data transformation and troubleshooting. Familiarity with healthcare data security protocols and compliance frameworks. Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote More ❯

Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote Charles Simon Associates are exclusively recruiting for an Integration Engineer on an initial 3-month contract with the potential to extend. Location: Remote Day Rate: £450–£550 per day Inside IR35 Start Date: Ideally W/C 29th September Role Overview: We are looking for a skilled Integration … Experience: Strong knowledge of HL7 v2.x, HL7 v3, and FHIR interoperability standards. Hands-on experience with integration engines such as Mirth Connect, Rhapsody, Cloverleaf, or InterSystems Ensemble. Proficiency in Java, JavaScript, Python, or C#/.NET for scripting and interface development. Experience designing and consuming REST/SOAP APIs (JSON, XML). Solid understanding of healthcare workflows and clinical systems … or equivalent). Strong SQL/database skills for data transformation and troubleshooting. Familiarity with healthcare data security protocols and compliance frameworks. Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote More ❯

integration, application tuning, and delivery Essential Skills/Knowledge/Experience (Up to 10): Electrical engineering and specialization in power system preferable LINUX and Windows Operating Systems C, C++, Java & Oracle Database Power on Reliance SQL, shell scripting, ability to read and interpret logs & debug files Installation of Operating System patches and other 3rd Party Software such as Oracle, NetApp … System configuration and hands-on experience in GitHub and ClearCase Experience on Real-time or Mission Critical Systems Desirable Skills/Knowledge/Experience: LINUX and Windows C, C++, Java & Oracle Database Power on Reliance SQL, shell scripting, ability to read and interpret logs & debug files Would you like me to streamline duplicates (like GitHub/ClearCase and More ❯

of Automatic Test procedures (ATP) using a bespoke high-level S/W language (Open Center checkout system based on the Elisa language and Open Center Bridge based on JAVA) to test the spacecraft systems. Preparing and executing spacecraft system investigations in line with actions from Non-Conformance Review Boards (NRBs). Support Spacecraft systems functional and performance tests during … Key Skills Current hands-on proven ability of writing test sequences/scripts for execution of spacecraft tests from the Central Checkout System (CCS). Knowledge of Elisa and JAVA would be an advantage. Working knowledge of TMTC Databases. Spacecraft systems and subsystem technical knowledge and awareness e.g. Data Handling, Packet Utilisation Standard, Data Bus Communications – 1553, Spacewire, Attitude &, Orbital … FDIR, Spacecraft Configuration Vectors etc. Programming and scripting languages, particularly writing and debugging Linux/Unix bash scripts is an advantage. Knowledge of a programming language such as C, Java, python, TCL, VBA would be useful. Competent in the use of various test equipment used for electrical measurements, e.g. DMM, oscilloscope, current probes, Data acquisition unit, data bus monitors More ❯

involves designing and maintaining advanced POS solutions to support checkout, loyalty, and omnichannel capabilities across a large store estate. Key Responsibilities: Develop and customize Oracle Xstore POS modules and Java-based services Integrate POS with ERP, CRM, loyalty, and payment systems Troubleshoot technical issues related to transactions, device connectivity, and system performance Configure Xstore security roles, parameters, and device profiles … including pilot testing, deployment Scripting, post-go-live support Skills & Experience Required: 10+ years of hands-on experience developing in Oracle Xstore POS (version 18 or higher preferred) Strong Java, XML, Oracle DB, and WebLogic development skills Experience integrating store devices: printers, scanners, pin pads Familiarity with retail store operations, pricing, promotions, and tax handling Understanding of Agile/Scrum More ❯