1,676 to 1,700 of 1,716 Java Jobs in the UK

Title: Senior OpenLink Endur Developer 🏦 Company: Elite Global Commodities Trading Firm 💷 Salary: Up to £150k + an outstanding bonus package! 📍 Location: London (Hybrid) 🛠️ Skills: OpenLink Endur/OpenJVS/Java/C#/ETRM The Role: Lead the design, development, and optimisation of OpenLink Endur solutions across front-to-back trading workflows Build, customise, and support end-to-end integrations … and automation using OpenJVS (Java/C#) Work directly with traders, quants, and business analysts to gather requirements and deliver solutions aligned with business needs What You Need: 5 + years experience with OpenLink Endur Strong hands-on expertise with OpenJVS, using Java or C# Proficiency in SQL for integration and data analysis Deep understanding of ETRM/CTRM systems More ❯

Title: Senior OpenLink Endur Developer 🏦 Company: Elite Global Commodities Trading Firm 💷 Salary: Up to £150k + an outstanding bonus package! 📍 Location: London (Hybrid) 🛠️ Skills: OpenLink Endur/OpenJVS/Java/C#/ETRM The Role: Lead the design, development, and optimisation of OpenLink Endur solutions across front-to-back trading workflows Build, customise, and support end-to-end integrations … and automation using OpenJVS (Java/C#) Work directly with traders, quants, and business analysts to gather requirements and deliver solutions aligned with business needs What You Need: 5 + years experience with OpenLink Endur Strong hands-on expertise with OpenJVS, using Java or C# Proficiency in SQL for integration and data analysis Deep understanding of ETRM/CTRM systems 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 ❯

Engineering Manager (Java C# TDD) Cheshire onsite to £180k+ Are you a technologist Engineering Manager with a software development background and strong leadership skills? You could be joining a highly successful and scaling Cyber Security technology company that has just received an additional £20 million investment. As an Engineering Manager you will manage three, small product focussed teams; leading delivery … of course, all the latest kit to work with About you: You are an experienced technical leader without ego You have previous experience as a software engineer (ideally with Java or C# experience) and a strong knowledge of modern cloud based software engineering You have a keen eye for identifying risks and waste and move fast to resolve them You … your family including same day GP appointments and prescriptions Flexible working hours Charitable donations matching scheme and much more Apply now to find out more about this Engineering Manager (Java C# TDD) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯

Engineering Manager (Java C# TDD) Cheshire onsite to £180k+ Are you a technologist Engineering Manager with a software development background and strong leadership skills? You could be joining a highly successful and scaling Cyber Security technology company that has just received an additional £20 million investment. As an Engineering Manager you will manage three, small product focussed teams; leading delivery … of course, all the latest kit to work with About you: You are an experienced technical leader without ego You have previous experience as a software engineer (ideally with Java or C# experience) and a strong knowledge of modern cloud based software engineering You have a keen eye for identifying risks and waste and move fast to resolve them You … your family including same day GP appointments and prescriptions Flexible working hours Charitable donations matching scheme and much more Apply now to find out more about this Engineering Manager (Java C# TDD) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯

Engineering Manager (Java C# TDD) Cheshire onsite to £180k+ Are you a technologist Engineering Manager with a software development background and strong leadership skills? You could be joining a highly successful and scaling Cyber Security technology company that has just received an additional £20 million investment. As an Engineering Manager you will manage three, small product focussed teams; leading delivery … of course, all the latest kit to work with About you: You are an experienced technical leader without ego You have previous experience as a software engineer (ideally with Java or C# experience) and a strong knowledge of modern cloud based software engineering You have a keen eye for identifying risks and waste and move fast to resolve them You … your family including same day GP appointments and prescriptions Flexible working hours Charitable donations matching scheme and much more Apply now to find out more about this Engineering Manager (Java C# TDD) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯

Engineering Manager (Java C# TDD) Cheshire onsite to £180k+ Are you a technologist Engineering Manager with a software development background and strong leadership skills? You could be joining a highly successful and scaling Cyber Security technology company that has just received an additional £20 million investment. As an Engineering Manager you will manage three, small product focussed teams; leading delivery … of course, all the latest kit to work with About you: You are an experienced technical leader without ego You have previous experience as a software engineer (ideally with Java or C# experience) and a strong knowledge of modern cloud based software engineering You have a keen eye for identifying risks and waste and move fast to resolve them You … your family including same day GP appointments and prescriptions Flexible working hours Charitable donations matching scheme and much more Apply now to find out more about this Engineering Manager (Java C# TDD) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose 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 … for 5+ year Current hands-on experience 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 is essential, e.g. Data Handling, Packet Utilisation Standard, Data Bus Communications - 1553, Spacewire … 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 but not essential. Competent in the use of various test equipment used for electrical measurements, e.g. DMM, oscilloscope, current probes, Data acquisition unit, data More ❯

Software Development Manager (Java C# TDD) Cheshire onsite to £180k+ Are you a technical leader with a software development background? You could be progressing your career in an impactful role at a highly successful and scaling Cyber Security technology company that has just received an additional £20 million investment. As a Software Development Manager you will manage three, small product … of course, all the latest kit to work with About you: You are an experienced technical leader without ego You have previous experience as a software engineer (ideally with Java or C# experience) and a strong knowledge of modern cloud based software engineering You have a keen eye for identifying risks and waste and move fast to resolve them You … family including same day GP appointments and prescriptions Flexible working hours Charitable donations matching scheme and much more Apply now to find out more about this Software Development Manager (Java C# TDD) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯

Experience Proven experience as a Mobile Developer with a strong portfolio of published apps (iOS and/or Android). Proficiency in Swift (iOS) and/or Kotlin/Java (Android) . Experience with Xcode, Android Studio, UIKit, Jetpack, and mobile SDKs . Knowledge of RESTful APIs, WebSockets, and third-party libraries . Familiarity with mobile UI/UX best … . Real-time comms (SIP/Asterisk/FreeSWITCH, WebRTC/Janus/mediasoup). Tech Stack Youll Be Exposed To Mobile: Native iOS (Swift), Native Android (Kotlin/Java), React Native, Flutter. Backend/Cloud: Node.js, Go, Python microservices. Databases: PostgreSQL/MySQL, Redis, InfluxDB/Timescale. Messaging/IoT: MQTT broker (Mosquitto, EMQX). Real-time Comms: HTTP More ❯

We're excited to recruiting for a Junior Systems Analyst to join our Business Systems team based from our offices on Garden Street in Sheffield. This is a temporary assignment set to start early September for an initial period of More ❯

development of mobile applications in an Enterprise setting is a plus Please note these are very niche skillsets in payment domain for applet coding and require knowledge of EMV, Java card (not same as Java) and cryptography. More ❯

development of mobile applications in an Enterprise setting is a plus Please note these are very niche skillsets in payment domain for applet coding and require knowledge of EMV, Java card (not same as Java) and cryptography. JBRP1_UKTJ More ❯

development of mobile applications in an Enterprise setting is a plus Please note these are very niche skillsets in payment domain for applet coding and require knowledge of EMV, Java card (not same as Java) and cryptography.d02fcfcb-6df4-40ee-95cf-3eb059ce3173 More ❯

days p/w in office) Role Overview This role focuses on ensuring the performance, reliability, and observability of enterprise-scale systems. The successful candidate will leverage expertise in Java, virtual machines, and networked microservices to analyse data patterns and conduct diagnostics using tools such as Splunk, Datadog, Grafana, and Jupyter notebooks. Responsibilities include developing test rigs, supporting performance testing … and contributing to the stability of cloud-based and Kubernetes environments. Strong analytical skills and the ability to communicate findings effectively are essential Key Responsibilities Knowledge of Java and virtual machines, ideally with some experience of working with networked microservices. Understanding of observability – spans, traces, logs – and how to use them in diagnostics. Ability to visualise and analyse data using More ❯

days p/w in office) Role Overview This role focuses on ensuring the performance, reliability, and observability of enterprise-scale systems. The successful candidate will leverage expertise in Java, virtual machines, and networked microservices to analyse data patterns and conduct diagnostics using tools such as Splunk, Datadog, Grafana, and Jupyter notebooks. Responsibilities include developing test rigs, supporting performance testing … and contributing to the stability of cloud-based and Kubernetes environments. Strong analytical skills and the ability to communicate findings effectively are essential Key Responsibilities Knowledge of Java and virtual machines, ideally with some experience of working with networked microservices. Understanding of observability – spans, traces, logs – and how to use them in diagnostics. Ability to visualise and analyse data using More ❯

Senior Java Developer – Exchange Trading Systems 📍 London (3 days onsite week) 💰Up to £150k DOE Join a global financial services firm in digital assets, bridging traditional finance & crypto. Their trading solutions deliver 24/7 liquidity to institutional clients. The team are designing & optimising ultra-low latency connectivity. Work with traders, quants & engineers to re-engineer a high-frequency trading … low latency exchange connectivity 🔌 Architect scalable trading systems for HFT 🏗️ Deep JVM & network tuning for microsecond performance ⏱️ Automate trading workflows & boost reliability 🤖 🎯 What We’re Looking For: 10+ yrs Java in low-latency/high-performance systems FIX & exchange APIs, JVM tuning, concurrency & networking expertise 🔥 Direct HFT/market-making experience 💰 Perks & Benefits: Up to £150k base 🔥 Discretionary bonus 💸 London More ❯

Senior Java Developer – Exchange Trading Systems 📍 London (3 days onsite week) 💰Up to £150k DOE Join a global financial services firm in digital assets, bridging traditional finance & crypto. Their trading solutions deliver 24/7 liquidity to institutional clients. The team are designing & optimising ultra-low latency connectivity. Work with traders, quants & engineers to re-engineer a high-frequency trading … low latency exchange connectivity 🔌 Architect scalable trading systems for HFT 🏗️ Deep JVM & network tuning for microsecond performance ⏱️ Automate trading workflows & boost reliability 🤖 🎯 What We’re Looking For: 10+ yrs Java in low-latency/high-performance systems FIX & exchange APIs, JVM tuning, concurrency & networking expertise 🔥 Direct HFT/market-making experience 💰 Perks & Benefits: Up to £150k base 🔥 Discretionary bonus 💸 London More ❯

Senior Java Developer – Exchange Trading Systems 📍 London (3 days onsite week) 💰Up to £150k DOE Join a global financial services firm in digital assets, bridging traditional finance & crypto. Their trading solutions deliver 24/7 liquidity to institutional clients. The team are designing & optimising ultra-low latency connectivity. Work with traders, quants & engineers to re-engineer a high-frequency trading … low latency exchange connectivity 🔌 Architect scalable trading systems for HFT 🏗️ Deep JVM & network tuning for microsecond performance ⏱️ Automate trading workflows & boost reliability 🤖 🎯 What We’re Looking For: 10+ yrs Java in low-latency/high-performance systems FIX & exchange APIs, JVM tuning, concurrency & networking expertise 🔥 Direct HFT/market-making experience 💰 Perks & Benefits: Up to £150k base 🔥 Discretionary bonus 💸 London More ❯

Senior Java Developer – Exchange Trading Systems 📍 London (3 days onsite week) 💰Up to £150k DOE Join a global financial services firm in digital assets, bridging traditional finance & crypto. Their trading solutions deliver 24/7 liquidity to institutional clients. The team are designing & optimising ultra-low latency connectivity. Work with traders, quants & engineers to re-engineer a high-frequency trading … low latency exchange connectivity 🔌 Architect scalable trading systems for HFT 🏗️ Deep JVM & network tuning for microsecond performance ⏱️ Automate trading workflows & boost reliability 🤖 🎯 What We’re Looking For: 10+ yrs Java in low-latency/high-performance systems FIX & exchange APIs, JVM tuning, concurrency & networking expertise 🔥 Direct HFT/market-making experience 💰 Perks & Benefits: Up to £150k base 🔥 Discretionary bonus 💸 London More ❯