Permanent Java Jobs in Hertfordshire

23 of 23 Permanent Java Jobs in Hertfordshire

Senior Software Engineer

Stevenage, England, United Kingdom
Hybrid / WFH Options
Anson McCade
Looking For: • Strong technical background in software design and architecture. • Experience with model-based engineering and software design patterns. • Proficiency in one or more programming languages (e.g. C++, C#, Java, Python). • Knowledge of modern engineering practices such as continuous integration and automated testing. • Ability to explain complex architectural concepts clearly and mentor development teams. • Skilled communicator with the ability More ❯
Posted:

Senior Software Engineer

stevenage, east anglia, united kingdom
Hybrid / WFH Options
Anson McCade
Looking For: • Strong technical background in software design and architecture. • Experience with model-based engineering and software design patterns. • Proficiency in one or more programming languages (e.g. C++, C#, Java, Python). • Knowledge of modern engineering practices such as continuous integration and automated testing. • Ability to explain complex architectural concepts clearly and mentor development teams. • Skilled communicator with the ability More ❯
Posted:

Senior Software Engineer

watford, hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
Anson McCade
Looking For: • Strong technical background in software design and architecture. • Experience with model-based engineering and software design patterns. • Proficiency in one or more programming languages (e.g. C++, C#, Java, Python). • Knowledge of modern engineering practices such as continuous integration and automated testing. • Ability to explain complex architectural concepts clearly and mentor development teams. • Skilled communicator with the ability More ❯
Posted:

Software Engineer Analyst - AI Trainer

Watford, Hertfordshire, UK
Hybrid / WFH Options
DataAnnotation
Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. More ❯
Posted:

Senior/Lead Full Stack Systems Developer Environment

Watford, Hertfordshire, England, United Kingdom
Penguin Recruitment Ltd
Access Design and Application Optimisation Demonstrable experience of working with Human Computer Interaction (HCI) in Software Systems, including Machine-to-Machine Automation Technologies Prior experience of working with a Java-based Enterprise Middleware Platform A particular interest in the environment Desirable skills and experience for the role of Senior Full Stack Systems Developer include: Experience with some of the following More ❯
Employment Type: Full-Time
Salary: £80,000 - £85,000 per annum
Posted:

Java Engineer

hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
Rightmove
Role: Java Engineer - Native Apps Location: London office/Hybrid (2 days per week in the office) Reporting to: Engineering Manager Rightmove's Native Apps are central to how millions of people find their next home. We are investing in creating faster, smarter, and more personalised mobile experiences, built on modern technology, powered by data, and driven by teams who … scale the technology that powers the UK's most trusted property platform, while contributing to an inclusive engineering culture that values learning, creativity, and impact. The Role As a Java Engineer , you will develop high-quality, reliable, and scalable software that can be deployed frequently and safely into production. You will work in a cross-functional team alongside product managers … You will also be an advocate for automated testing and promote a thoughtful, test-driven approach across the team. A Typical Week Might Involve: • Building and improving microservices using Java, Spring Boot, Elasticsearch, Kafka, Gradle, Hibernate, Couchbase, SQL, and Docker • Working with your team to design APIs and services that power our mobile experiences • Contributing to technical discussions and helping More ❯
Posted:

Senior Full Stack Systems Developer

Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Penguin Recruitment Ltd
Full Stack Systems Developer Strong background in full software lifecycle and enterprise systems Expertise in system design, development, testing, and deployment Deep understanding of security, databases, networking, and HCI Java enterprise middleware experience is essential Docker, REST APIs, MQTT Deep learning frameworks Leadership or mentoring experience Familiarity with Linux enterprise platforms An interest in environmental sustainability is a bonus. This More ❯
Employment Type: Full-Time
Salary: £80,000 - £85,000 per annum
Posted:

Senior Full Stack Systems Developer

St. Albans, Hertfordshire, England, United Kingdom
Penguin Recruitment Ltd
as a Full Stack Developer Excellent working knowledge of full Software System Lifecycle Highly-proficient in Software System Design, Development, Testing, and Deployment Strategies for High Availability Experience with Java Middleware Outstanding knowledge of Performance and Security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of Database Access Design and Application Optimisation More ❯
Employment Type: Full-Time
Salary: £80,000 - £85,000 per annum
Posted:

Senior/Lead Full Stack Systems Developer Environment

St. Albans, Hertfordshire, England, United Kingdom
Penguin Recruitment Ltd
Access Design and Application Optimisation Demonstrable experience of working with Human Computer Interaction (HCI) in Software Systems, including Machine-to-Machine Automation Technologies Previous experience of working with a Java-based Enterprise Middleware Platform A particular passion for the environment Desirable skills and experience for the role of Senior Full Stack Systems Developer include: Prior experience with some of the More ❯
Employment Type: Full-Time
Salary: £80,000 - £85,000 per annum
Posted:

Digital Test Automation Lead

Watford, England, United Kingdom
Addition+
automation teams to evaluate and implement new tools. Main Skills Needed: Strong background in building test automation frameworks for iOS, Android and web. Programming experience in Swift, Objective-C, Java, JavaScript or TypeScript. Hands-on expertise with CI/CD pipelines (ideally GitHub Actions or similar). Experience setting up and managing onsite or cloud-based device labs. Familiarity with More ❯
Posted:

Digital Test Automation Lead

stevenage, east anglia, united kingdom
Addition+
automation teams to evaluate and implement new tools. Main Skills Needed: Strong background in building test automation frameworks for iOS, Android and web. Programming experience in Swift, Objective-C, Java, JavaScript or TypeScript. Hands-on expertise with CI/CD pipelines (ideally GitHub Actions or similar). Experience setting up and managing onsite or cloud-based device labs. Familiarity with More ❯
Posted:

Digital Test Automation Lead

watford, hertfordshire, east anglia, united kingdom
Addition+
automation teams to evaluate and implement new tools. Main Skills Needed: Strong background in building test automation frameworks for iOS, Android and web. Programming experience in Swift, Objective-C, Java, JavaScript or TypeScript. Hands-on expertise with CI/CD pipelines (ideally GitHub Actions or similar). Experience setting up and managing onsite or cloud-based device labs. Familiarity with More ❯
Posted:

Weapon System Simulation and Experimentation Engineer - Undergraduate Placement 2026

Stevenage, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
MBDA
process for delivering products to our customers, including test and certification. We work across a number of disciplines, primarily software development using programming languages such as C++, C# and Java within environments such as Visual Studio and Eclipse, but we also span system engineering, networking, hardware integration, and use of algorithms such as flight dynamics and rotational geometry. What we More ❯
Employment Type: Permanent, Work From Home
Salary: £22,000
Posted:

Weapon System Simulation and Experimentation Engineer - Undergraduate Placement 2026

stevenage, east anglia, united kingdom
Hybrid / WFH Options
MBDA
process for delivering products to our customers, including test and certification. We work across a number of disciplines, primarily software development using programming languages such as C++, C# and Java within environments such as Visual Studio and Eclipse, but we also span system engineering, networking, hardware integration, and use of algorithms such as flight dynamics and rotational geometry. What we More ❯
Posted:

Weapon System Simulation and Experimentation Engineer - Undergraduate Placement 2026

watford, hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
MBDA
process for delivering products to our customers, including test and certification. We work across a number of disciplines, primarily software development using programming languages such as C++, C# and Java within environments such as Visual Studio and Eclipse, but we also span system engineering, networking, hardware integration, and use of algorithms such as flight dynamics and rotational geometry. What we More ❯
Posted:

Senior Full Stack Systems Developer

Watford, Hertfordshire, England, United Kingdom
Penguin Recruitment Ltd
internal teams to deliver solutions. To be considered for this Senior Full Stack Systems Developer role you must have: Strong background in Full Software System Lifecycles and enterprise systems Java enterprise middleware experience is essential Preferably, have previously worked in software development within the environmental monitoring field Expertise in system design, development, testing, and deployment Deep understanding of security, databases More ❯
Employment Type: Full-Time
Salary: £75,000 - £85,000 per annum
Posted:

Lead Embedded Test Engineer - IoT/Cyber

Hemel Hempstead, England, United Kingdom
La Fosse
. Experience working with debugging interfaces (UART, JTAG, SPI, I2C). Proficiency with security tools (e.g. Nmap, Burp Suite, Wireshark, Nessus ). Solid programming foundation ( Python, C/C++, Java , or similar). Degree in Cybersecurity, Computer/Electrical/Electronic Engineering, Telecommunications, or IT . Preferred Previous experience as a Product Cybersecurity SME within the Testing, Inspection, Certification (TIC More ❯
Posted:

Lead Embedded Test Engineer - IoT/Cyber

watford, hertfordshire, east anglia, united kingdom
La Fosse
. Experience working with debugging interfaces (UART, JTAG, SPI, I2C). Proficiency with security tools (e.g. Nmap, Burp Suite, Wireshark, Nessus ). Solid programming foundation ( Python, C/C++, Java , or similar). Degree in Cybersecurity, Computer/Electrical/Electronic Engineering, Telecommunications, or IT . Preferred Previous experience as a Product Cybersecurity SME within the Testing, Inspection, Certification (TIC More ❯
Posted:

Lead Embedded Test Engineer - IoT/Cyber

hemel hempstead, east anglia, united kingdom
La Fosse
. Experience working with debugging interfaces (UART, JTAG, SPI, I2C). Proficiency with security tools (e.g. Nmap, Burp Suite, Wireshark, Nessus ). Solid programming foundation ( Python, C/C++, Java , or similar). Degree in Cybersecurity, Computer/Electrical/Electronic Engineering, Telecommunications, or IT . Preferred Previous experience as a Product Cybersecurity SME within the Testing, Inspection, Certification (TIC More ❯
Posted:

Senior Full Stack Systems Developer

Watford, Hertfordshire, United Kingdom
Hybrid / WFH Options
Penguin Recruitment
internal teams to deliver solutions. To be considered for this Senior Full Stack Systems Developer role you must have: Strong background in Full Software System Lifecycles and enterprise systems Java enterprise middleware experience is essential Preferably, have previously worked in software development within the environmental monitoring field Expertise in system design, development, testing, and deployment Deep understanding of security, databases More ❯
Employment Type: Permanent
Salary: £75000 - £85000/annum
Posted:

Software Engineer - Undergraduate Placement 2026

Stevenage, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
MBDA
Stevenage Software Engineer - Undergraduate Placement 2026 Salary : £23,495 Dynamic (Hybrid) Working: 4-5 days per week on-site due to workload classification Security clearance: British Citizen or a Dual UK national with British citizenship. Restrictions and/or limitations More ❯
Employment Type: Permanent, Work From Home
Posted:

Software Engineer - Undergraduate Placement 2026

Stevenage, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
MBDA
Stevenage Software Engineer - Undergraduate Placement 2026 Salary : £23,495 Dynamic (Hybrid) Working: 4-5 days per week on-site due to workload classification Security clearance: British Citizen or a Dual UK national with British citizenship. Restrictions and/or limitations More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Software Engineering Level 6 Degree Apprenticeship 2026

Stevenage, Hertfordshire, South East, United Kingdom
MBDA
Stevenage Software Engineering Level 6 Degree Apprenticeship 2026 Salary : £18,750 plus a £3000 joining bonus Work Location: MBDA Stevenage or Bristol or Bolton Learning Provider Location: CranfieldMK:U in Milton Keynes (for Stevenage), University College Weston -Winter Gardens (for More ❯
Employment Type: Permanent
Posted:
Java
Hertfordshire
10th Percentile
£37,150
25th Percentile
£39,188
Median
£42,500
75th Percentile
£48,063
90th Percentile
£50,300