13 of 13 Permanent Java Jobs in Hertfordshire

record of continuous experience in a Senior Staff, Principal or Architect capacity. Back-End Mastery: Extensive professional background working with the JVM ecosystem (specifically Java or Kotlin). Modern Web & Orchestration: Ideally you will have proficiency in JavaScript frameworks and experience with workflow engines. Cloud-Native Data: Solid experience architecting ...

/BSS technology and communications networks Experience in assessment/development of security architectures in communications systems Experience of software development environments, languages (Python, Java), and methodologies (Agile, DevOps) Knowledge of optical, 5G and/or Quantum technologies Security Clearance & British Nationals required due to nature of systems & products involved ...

development principles Comfortable using Git and modern IDEs (Xcode, Android Studio, VS Code) Clear communicator with a proactive mindset Nice to have Experience with Java, Kotlin, or Swift Commercial mobile app development experience Exposure to AWS or Azure Third-party integrations such as Stripe or Apple Pay Frontend knowledge (HTML ...

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. ...

Working knowledge of AWS services such as Lambda, ECS Fargate, SQS, and DynamoDB is beneficial Familiarity with off-platform development in languages such as Java or Go is advantageous High level of understanding of architectural patterns and distributed system design principles Strong experience working with APIs (both REST and SOAP ...

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 ...

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 ...

Have: Prior experience shipping apps to Google Play/App Store Exposure to Firebase , Stripe , or Apple Pay Some knowledge of Swift, Kotlin, or Java Awareness of frontend tech (HTML, CSS, React) What You’ll Get: £36,000 salary + pension, sick pay, and company events Free on-site parking ...

customer-facing technical role (SE, TAM, Consulting, CSE). Enterprise software experience (cloud, ERP, databases, integrations). ERP knowledge required; SAP experience a plus. Java, ABAP, SQL, or similar preferred; AI/LLM exposure a plus. Strong communicator with technical and executive audiences. Comfortable managing multiple initiatives; willing to travel ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines in a highly regulated … environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions with operational needs ...

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 ...

qualifications 6+ years building production backend systems (at least 3 years in high-scale or low-latency environments). Proficiency in one or more: Java/Python/C Rust/Go Strong preference for Java for control-plane/services. Strong systems design skills: concurrency, memory management, performance tuning ...

code audits to reveal subtle security vulnerabilities Writing new tools such as fuzzers in languages such as C/C++, Python, Ruby, Go or Java, Tearing apart an undocumented file format or network protocol Coming up with novel techniques to solve unique and interesting security problems Review new services, including … skills Intermediate knowledge of Linux OS Internals Advanced knowledge of one programming language and ability to read two high level programming language such as Java Preferred Qualifications Undergraduate or Graduate degree in Electrical Engineering, Computer Science, or another related field or equivalent work experience. Hands-on experience developing services ...