751 to 775 of 794 Java Jobs in the UK

Software Engineer

Hiring Organisation
EVera Recruitment
Location
Greater Cardiff Area, United Kingdom
Bridgend The Software Engineer will: Evolve software architecture across frontend, backend, and infrastructure layers. Design and develop new features across React frontend applications and Java/C++ backend services. Take ownership of system performance, reliability, and security across applications and internal networks. Lead performance optimisation initiatives across software, databases … Software Engineer will have: Experience in full‐stack software engineering, working across frontend, backend, and infrastructure. Strong hands‐on development experience with React, Java, and C/C++. Experience building and maintaining Qt‐based desktop applications. Solid expertise in database management and optimisation, ideally using MySQL. Proven experience working with ...

Senior Software Engineer

Hiring Organisation
Apex Systems
Location
London Area, United Kingdom
Type : Contract Duration:12 months Location : London (EC2A 2FA), UK Hybrid/Onsite : 5 days required onsite. Job Description: Must Haves : Strong backend experience (Java) Infrastructure as Code experience (AWS CDK preferred) Deep AWS knowledge Understands how AWS deploys and manages infrastructure Experience operating production systems Availability Metrics Alarms Incident … maintaining availability and security • Participate in on-call rotations and operational excellence practices Basic Qualifications • Professional software development experience • Proficiency our two primary languages (Java, TypeScript) • Experience designing and building distributed systems or backend services • Experience with cloud infrastructure (AWS — e.g., Ec2, NLB, ElastiCache, Lambda, DynamoDB) • Experience with infrastructure ...

DevOps

Hiring Organisation
Apache Associates
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
passionate about scalability, resilience, and secure systems design. Key Responsibilities Develop and customise DevOps tools, leveraging open-source technologies and programming languages such as Java, Python, and/or Go Manage, optimise, and secure diverse data stores, including object storage, inverted index systems, and relational databases Deploy and maintain distributed … management systems Key Requirements Strong software engineering background with experience in DevOps tooling and automation Proficiency in at least one of the following: Python, Java, or Go Hands-on experience with infrastructure as code and modern DevOps ecosystems Solid understanding of distributed systems, data platforms, and orchestration tools Strong focus ...

Technical Business Analyst

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
facilitate clarity and understanding among stakeholders. Perform testing and validation of solutions to ensure they meet business requirements. Leverage programming languages such as Python, Java, or Shell Script to support technical initiatives. Utilize GLOSS knowledge to enhance data management and reporting capabilities. Communicate findings and recommendations clearly and effectively … Proven experience as a Business Analyst or Technical Analyst, preferably within the Investment Banking sector. Proficiency in programming languages such as C, SQL, Python, Java, or Shell Script. Strong analytical skills with a keen ability to interpret complex data and generate actionable insights. Experience with database queries and documentation ...

Software Development Engineer in Test (SDET)

Hiring Organisation
Alexander Mann Solutions - Contingency
Location
London, United Kingdom
Employment Type
Contract
AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent ...

Endur Development Lead

Hiring Organisation
Anson McCade
Location
England, United Kingdom
financial trading Ideal Background 10–12+ years of hands-on experience with OpenLink Endur across implementations and upgrades Strong technical capability in JVS, OpenComponents (Java), core Java, and Oracle SQL Proven experience designing and delivering Endur-based trading solutions at scale Solid domain knowledge in Power & Gas trading (physical ...

PHP Developer - Outside IR35

Hiring Organisation
Sanderson
Location
Bristol, UK
Employment Type
Full-time
leading financial services company to undertake a critical migration of payment functionality from a legacy on-premise PHP monolith into a new AWS-hosted Java microservice owned by a separate engineering team. We are looking for an experienced PHP contractor to own and deliver the PHP-side of the migration … redirect or hand off to a new external payment component Implement secure redirect and callback handling between the PHP application and the AWS-hosted Java microservice Collaborate with the Java/AWS team to define and agree: Integration contracts Redirect URLs Tokens and callback payloads Ensure appropriate audit logging, error ...

PHP Developer - Outside IR35

Hiring Organisation
Sanderson
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
leading financial services company to undertake a critical migration of payment functionality from a legacy on-premise PHP monolith into a new AWS-hosted Java microservice owned by a separate engineering team. We are looking for an experienced PHP contractor to own and deliver the PHP-side of the migration … redirect or hand off to a new external payment component Implement secure redirect and callback handling between the PHP application and the AWS-hosted Java microservice Collaborate with the Java/AWS team to define and agree: Integration contracts Redirect URLs Tokens and callback payloads Ensure appropriate audit logging, error ...

Backend Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £522/day
building systems that ensure every production code change meets regulatory standards across thousands of repositories What You'll Do Architect & Build: Develop Java-based backend services (Spring Boot, Apollo) to enforce compliance controls within a GitHub Enterprise environment. Must have Skillset: Java, Springboot, GCP, GKE Who You Are Expert Developer … Java experience (Spring Boot, Bazel, Maven) with a focus on distributed services and Kubernetes (GKE). System Designer: Strong skills in API design (gRPC, GraphQL, REST) and relational databases like PostgreSQL. Cloud Proficient: Hands-on experience with GCP services, including BigQuery and Cloud SQL. Security Minded: Experience with (or strong ...

Tech Lead - Java and React

Hiring Organisation
Develop
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 850 Daily
Tech Lead (Java/React) - Media Industry £650 - £850/day Outside IR35 London (Hybrid) We're looking for a hands-on Tech Lead to step into a high-impact role on a media platform that urgently needs strong technical leadership. This is an opportunity to take ownership ...

System Technical Support

Hiring Organisation
Geek+
Location
Warrington, England, United Kingdom
troubleshooting. Proficient in Linux OS: Familiar with Shell scripting, and adept at using various commands and tools for system diagnostics Solid foundation in Java Programming: Ability to read and understand Java application code logic to assist in log analysis and issue identification Familiar with networking fundamentals and common application service ...

Lead UI Developer

Hiring Organisation
GCS
Location
London Area, United Kingdom
Title: Lead UI Developer with Java Job Type: Contract Location: London Must Have Skills: React, Redux, Java, Fixed Income, e-Trading, AG Grid, RFQ Fixed Income IT product team is looking to hire a lead UI developer with over 10 years experience delivering enterprise level front office e-trading applications. … candidate will be primarily responsible for development for the Triforce Credit Project. Languages: JavaScript & TypeScript (10years+) Front end Frameworks: React & Redux (10years+) BackEnd: JAVA (5 years + ...

Test Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 Daily
ensuring the quality and reliability of complex digital solutions, bringing strong automation and integration testing expertise across a modern TypeScript and/or Java technology stack. KEY RESPONSIBILITIES Design, build, and maintain automated test suites using Playwright or Selenium Write and maintain test code in TypeScript and/or Java … candidates without this will not be considered Strong experience in test automation using Playwright and/or Selenium Proficient in TypeScript and/or Java for test development Solid experience with CI/CD tooling and integrating automated tests into deployment pipelines Proven integration testing experience across complex, distributed systems ...

Test Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
ensuring the quality and reliability of complex digital solutions, bringing strong automation and integration testing expertise across a modern TypeScript and/or Java technology stack. KEY RESPONSIBILITIES Design, build, and maintain automated test suites using Playwright or Selenium Write and maintain test code in TypeScript and/or Java … candidates without this will not be considered Strong experience in test automation using Playwright and/or Selenium Proficient in TypeScript and/or Java for test development Solid experience with CI/CD tooling and integrating automated tests into deployment pipelines Proven integration testing experience across complex, distributed systems ...

Full-Stack Engineer (UI)

Hiring Organisation
ADLIB
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
Market-leading Tech-For-Good specialist. Progressive and friendly start-up, fully remote (UK). Java Server Faces/PrimeFaces, JavaScript, Java. We’re working with a fast-growing software specialist helping children with Special Educational Needs and Disabilities (SEND). Delivering positive change for them in addition to local … development (Vue/React/Angular, TypeScript, HTML, CSS). Experience with JSF-based applications. Solid understanding of component-based architectures and web security. Java development skills. Accessibility standards (WCAG 2.2+). Strong interest in UI/UX design and usability Any experience working with maps/GIS is highly ...

Software Engineer C++

Hiring Organisation
Optamor
Location
Ampthill, Bedford, Bedfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£41,000 - £55,200 per annum, Inc benefits
Software Engineer (C++, Java, Python) Ampthill, Bedfordshire £ Hybrid working and 4 day work week option 37.5 hours per week Lockheed Martin (UK) Ampthill is a rapidly changing, dynamic part of the Lockheed Martin Corporation with both domestic and international customers. It consists of business areas focusing on Platform Integration, Ground … balance with a 4 day week (Mon-Thurs) and flexible working arrangements. The role: We are hiring a proven Software Engineer with strong C++, Java, Python programming skills to join the Ampthill, Bedfordshire Engineering Team. At Lockheed Martin, you'll work on meaningful, cutting-edge projects while developing your skills ...

Software Engineer C

Hiring Organisation
Optamor
Location
Ampthill, Bedfordshire, How End, United Kingdom
Employment Type
Permanent
Salary
£41000 - £55200/annum BUPA, bonus, 4 Day Work Week Option
Software Engineer (C++, Java, Python) Ampthill, Bedfordshire £(phone number removed) Hybrid working and 4 day work week option 37.5 hours per week Lockheed Martin (UK) Ampthill is a rapidly changing, dynamic part of the Lockheed Martin Corporation with both domestic and international customers. It consists of business areas focusing … balance with a 4 day week (Mon-Thurs) and flexible working arrangements. The role: We are hiring a proven Software Engineer with strong C++, Java, Python programming skills to join the Ampthill, Bedfordshire Engineering Team. At Lockheed Martin, you'll work on meaningful, cutting-edge projects while developing your skills ...

Senior Software Engineer

Hiring Organisation
trg.recruitment
Location
England, United Kingdom
offer.. What you’ll be doing • Building high-quality, user-facing features using React and TypeScript • Contributing to backend services in Kotlin/Java • Working closely with Product and Design to shape and deliver impactful features • Owning problems end-to-end, from discovery through to production • Setting and evolving engineering … Experience as a key engineer in a startup or scale-up environment • Strong React and TypeScript expertise, with solid backend experience (Kotlin or Java) • A genuine product mindset — you think in terms of user outcomes, not just delivery • Proven ability to raise engineering standards and influence peers • Comfortable using ...

Senior Python Engineer - Equities Risk & PnL Technology

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
platforms within a front-office environment. Key responsibilities include: Designing and developing scalable server-side components in Python (with some exposure to Java where required) Building and enhancing systems that support real-time risk, pricing and PnL calculations Working closely with traders, quants and product stakeholders to understand complex requirements … skills - ability to operate in a fast-paced front-office environment Familiarity with Agile/Lean development practices Desirable: Experience with internal risk platforms Java exposure Computer Science (or equivalent) background McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. ...

AI Engineer - Cardiff

Hiring Organisation
Circle Group
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Mentor and develop a small team of engineers while promoting best practices Skills & Experience Strong experience with AI engineering, or software engineering (e.g. Python, Java, JavaScript/TypeScript etc.) with libraries/frameworks such as PyTorch, TensorFlow etc.) Experience with RAG and LLM-based solutions Solid understanding of AI architectures … work in the UK and live within commuting distance of Cardiff. Keywords: AI Engineer/Artificial Intelligence/Software Engineer/Python/Java/JavaScript/Cardiff Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody ...

Head of Software Engineering

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
execute development strategy aligned to business goals Own software delivery processes, timelines, quality standards and output Provide hands-on technical leadership within a Java environment Drive best practice across Agile, DevOps, CI/CD and engineering governance Manage and develop offshore engineering teams across multiple locations Build strong communication frameworks … initiatives Act as a succession hire for a future Deputy CTO role What They’re Looking For Strong background in software engineering with deep Java experience Proven leadership experience running engineering teams and delivery functions Track record managing offshore or distributed development teams Experience owning the full software development lifecycle ...

Android Developer

Hiring Organisation
Counter
Location
Leeds, England, United Kingdom
performance improvements, and architectural evolution. 5+ years of professional Android development Strong proficiency in idiomatic Kotlin, including asynchronous coding (coroutines, Deferred, Flow) Proficiency in Java 8+, including multithreading and concurrency Experience with Jetpack Compose, as well as legacy Android XML Views Experience with Fragments and FragmentManager Solid understanding of standard …/CD pipelines such as Azure Pipelines or similar Comfortable in a team environment using code review and version control Technology Stack: Android: Java 8+, including multithreading and concurrency Kotlin MVVM Jetpack Compose, as well as legacy Android XML Views Nice to have: MongoDB SQL Experience building KMP modules Familiarity ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £110,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior ...

Mainframe Engineer

Hiring Organisation
Lorien
Location
Greater Edinburgh Area, United Kingdom
Engineering Expertise – Individual must display deep practical experience with how CICS runs on z/OS, beyond application development. IBM WebSphere Liberty (CICS Liberty) & Java Runtime Skills - A CICS Liberty Infrastructure Engineer must understand Liberty as a runtime and have experience in configuring the runtime Security, Integration & Modern Ops Practices … dumps, traces, SMF data, and logs WebSphere Liberty configuration (server.xml, features, shared libraries) JVM tuning for z/OS (heap sizing, GC behaviour) Managing Java workload inside CICS (JVM servers lifecycle, diagnostics) Patching and maintaining Liberty and Java SDK levels RACF and TLS configuration (certificates, keyrings, SAF integration) REST/ ...

Full Stack Engineer

Hiring Organisation
CBTS
Location
London Area, United Kingdom
days/week, 2 days/week WFH Years of Exp: 3-9 years Skills: Full Stack, Kotlin (essential), TypeScript (essential), CI/CD, Java £25-£40/hr depending on experience and assessment level, Inside IR35 Visa sponsorship is not available. Strong fundamentals of Computer Science to scale developments. … Excellent communication & interpersonal skills. Creative and a good team worker. Kotlin (or strong Java) & TypeScript mainly – full stack ideally. Fundamentals are very important. Data structures, algorithms & system designs. Online test will be given in the first instance. Successful candidates will go through a 2 round interview process. GitHub could help ...