Java Developer jobs in Hertfordshire

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· High-energy, detail-oriented, proactive and able to function independently under pressure. · WebLogic, Web Sphere/JBoss · Expert in Java, J2EE, Web Services (REST, SOAP), API Gateway, Integration patterns, Security standards, Spring boot, Spring MVC, Spring 4.0,Hibernate/JPA, concurrency and threading, Collections · Web application related technologies – Java, Spring · Web technologies –...

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

World Class Defence Organisation is currently looking to recruit a remote PERL Software Engineer subcontractor on an initial 6 month contract. Job Title: PERL Software Engineer Rate: £77 - £84 per hour Location: Stevenage Hybrid / Remote working: This role is a remote based role – with just 1 visit to the Stevenage site per month. Contract: 37 Hours per week Overtime: Hours worked over 37 hours...

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

You will work closely with designers and backend engineers to deliver high-quality, user-friendly mobile features from a single Flutter codebase. This role suits someone who enjoys solving technical challenges, writing clean code, and continuously learning new technologies. What you’ll be doing:

Our client, a mission-led consultancy, is looking for an experienced Principal Software Engineer (Java) to join their growing team. They deliver secure, modern software solutions to the UK Government and Defence sectors, enabling clients to build scalable systems and progressive web applications that drive real impact. This is a senior-level opportunity for a hands-on engineer who enjoys leading...

An innovative environmental services company in St Albans is seeking a Senior Software Engineer to lead platform development used in the UK environmental monitoring sector. This hybrid role (2/3 days per week in the office) is ideal for a hands-on leader who excels in small teams and values ownership in their projects. The position offers up to £100,000 with fantastic benefits for those who...

Senior Full Stack Systems Developer Reference: BY128941 Hemel Hempstead £75,000 – £85,000 Join a pioneering organisation at the forefront of environmental technology. For over ten years, this company has been transforming how the UK monitors and understands environmental change, building integrated, data-driven ecosystems that deliver real-time insights. As they continue to expand, they’re...

You will also work with many different connectivity methods and security practices Carry out third line support activities and configuration requests If you are interested and are suitable, you will take responsibility for (partial) projects

You will receive individual training and coaching from experienced colleagues and will be supported in your personal development

You will be responsible for Provide ownership and leadership in developing TDP, aware of the short and longterm goals of TDP.

You will also have the opportunity to participate in the wider community within Engineering Effectiveness, broader technology teams, learn and share.

You will need Experience with Java 8+ Experience with golang is considered a plus Experience with cloud platform(s) (.

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

You must speak, write and be able to understand fluent English. Strong proficiency in TypeScript and modern JavaScript (ES6+). Familiarity with Expo, React Navigation, Reanimated and Vision Camera. Understanding of mobile app development best practices, including release automation and performance optimisation.

Senior Full Stack Systems Engineer Reference: 128941 Watford (Hybrid) £75,000 – £85,000 Step into a forward-looking organisation pushing the boundaries of environmental innovation. For more than a decade, this team has been redefining how the UK tracks and interprets environmental shifts, creating integrated, data-rich platforms that deliver instant, actionable intelligence. As the company...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW's app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...