11 of 11 Java Jobs in Hertfordshire

Senior Site Reliability Engineer

Hiring Organisation
Ensono
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Tooling (Azure DevOps, GitHub Actions or Gitlab) ◦ Monitoring Tooling (DataDog, Splunk, NewRelic, Azure Monitor, AWS CloudWatch) ◦ Demonstrable experience in multiple core technology (Dotnet, Java, AI/Data Engineering, Golang) ◦ Troubleshooting issues and identifying systemic failings indicated by incidents/failures ◦ Implementing fixes and features ◦ Proposing solutions for reducing toil ◦ Implementing ...

Senior Java Developer

Hiring Organisation
Pontoon
Location
Welwyn Garden City, Hertfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Role: Senior Java Developer Duration: 12 Months Location: Welwyn Garden City (2 to 3 days in office) Rate: £700 inside umbrella As a Senior Java Developer, you will … projects, providing technical leadership and driving key features from conception to delivery. Here's what you can expect: Develop High-Quality Software: Utilize your Java expertise (Spring Boot or other frameworks) to create efficient and scalable solutions. Embrace Cloud Technologies: Work with Microsoft Azure and Terraform, with an eagerness ...

Software Engineer

Hiring Organisation
TRX
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Science, Software Engineering, or related field. 3+ years of professional software development experience. Strong programming skills in languages such as C/C++, Python, Java, or Rust. Experience developing software for safety-critical or highly regulated environments. Familiarity with software development lifecycle, version control, and testing frameworks. Knowledge of software ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Watford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

React Native Developer

Hiring Organisation
Asseticom
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
researching to improve your level of expertise. Nice to Have Experience with native mobile development (Swift/Objective-C for iOS, Kotlin/Java for Android). A keen eye for design, accessibility and user experience best practices. Accomplished in web development. Experience with Sentry or similar application monitoring tools. ...

Staff Engineer (Oracle MOM)

Hiring Organisation
TJX UK
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
patterns Ability to define effective Architectural and Design guard rails that drive efficient design and development processes Demonstrated hands-on success; in programming using: Java, Pro C and PL/SQL in scripting languages using: JavaScript and shell script in database query language such as: Oracle - performance, EXA, etc. ...

Junior IT Support

Hiring Organisation
Northend Solutions ltd
Location
Barnet, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£26,000 - £35,000 per annum
when required. Must have flexibility/willingness to work on-call hours (both weekday and weekend). Ideally, some software development knowledge (SharePoint, Python, Java or Kotlin) as down the line there will be specifically related projects. Assist with writing of end user and IT documentation as required. Role-based ...

Lead AI Engineer

Hiring Organisation
Sopra Steria
Location
Hemel Hempstead, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Machine Learning, including agent-based AI, RAG (Retrieval Augmented Generation), multi-agent systems and conversational agents. Strong programming skills in Python, Java or .NET. Experience with GenAI and LLMs (e.g. ChatGPT, Claude, Llama, OpenAI), including prompt engineering, fine tuning and advanced search. Familiarity with AI agent frameworks (e.g. Autogen ...

Satellite Electrical Engineer

Hiring Organisation
Yolk Recruitment Limited
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£40 - £45 per hour
scripting languages, in particularly writing and debugging Linux/Unix bash scripts is an advantage. Knowledge of a programming language such as C, Java, python ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
networking data path and kernel-level networking (e.g., XDP, eBPF, dpdk, iptables, nftables) for traffic processing, filtering, and observability. Proficiency in one or more: Java/Python/C Rust/Go (strong preference for Java for control-plane/services). Deep systems design expertise: concurrency, memory management, performance ...

Full Stack Engineer

Hiring Organisation
Thyme
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Full Stack Engineer (Java, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale up Location: Remote EU - Spain Salary: £70K - £110K About: We are seeking a Full Stack Engineer with a proven track record in building and scaling applications powered by Large Language Models (LLMs). … This role requires deep expertise in Java, React, and modern AI/ML development, including LLM frameworks, SDKs, and retrieval-augmented generation (RAG) systems. Key Responsibilities Design and develop scalable full-stack solutions involving both frontend (React/TypeScript) and backend (Java). Build and optimise AI/ML pipelines ...