876 to 900 of 930 Java Jobs

Solutions Architect

Hiring Organisation
Bestman Solutions
Location
City of London, London, United Kingdom
major financial market infrastructure is undergoing a multi-year transformation, moving from legacy COBOL-based systems on HPE NonStop to a modern, event-driven, Java-based architecture. This is not a simple migration. It’s a fundamental shift toward scalable, platform-independent systems built on Linux and containerised environments. … engineering standards Collaborate with security, infrastructure, and delivery teams Lead or support proof-of-concepts and prototype development Provide technical leadership, including hands-on Java development where needed Present architectural solutions to a range of stakeholders Ensure consistency, compliance, and quality across systems What you bring Core experience: Proven background ...

Software Engineer

Hiring Organisation
Advanced Resource Managers
Location
Newcastle Upon Tyne, England, United Kingdom
Software Engineer 12 month contract Based in Newcastle Upon Tyne Offering £70ph Inside IR35 Do you have experience with Java? Do you have experience with Unit Testing? Do you want to work with an industry-leading company? If the answer is yes to these, then this could be the role … enable you to grow within the company and industry. You will be involved in: Develop high-quality, readable, scalable, and easily maintained code, using Java and related technologies Develop reusable patterns and encourage innovation Contribute to quality assurance by writing unit and automated tests Conduct design and code reviews ...

Lead Full Stack Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£85,000
Lead Full Stack Developer (React | TypeScript | Java | Spring) | Leeds City Centre, 4 days p/week in office | £60,000 - £85,000 I'm currently partnered with a global software provider delivering data-driven, high-performance web applications. They're looking for a Lead Web Developer to take ownership … with code. The role: Lead the design and development of full stack web applications using React and TypeScript on the front end, and Java/Spring on the back end. Drive a key front-end migration project to deliver a cleaner, faster, and more scalable user experience. Define and uphold ...

Full Stack Engineer

Hiring Organisation
Formula
Location
City of London, London, United Kingdom
applications, and AI-enhanced product features. What You'll Do as a Full-Stack Engineer: Design and build resilient, high-throughput backend services in Java that power the movement of data across millions of sporting events each year. Architect and maintain real-time event-driven data pipelines and streaming systems … leverage AI coding assistants to accelerate development. Collaborate closely with a small, high-trust team to ship and iterate quickly. Core Technology Stack: Backend: Java, distributed messaging systems, relational databases, Docker, infrastructure as code Frontend: TypeScript, modern JavaScript frameworks Infrastructure: Cloud-native serverless and containerised environments AI Tooling: Regular ...

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 ...

Operations Research Scientist/Sr Operations Research Scientist, IT Analytics

Hiring Organisation
American Airlines
Location
Fort Worth, Texas, United States
Employment Type
Permanent
Salary
USD Annual
discipline (e.g., Operations Research, Engineering, Computer Science, Data Science, Applied Mathematics, Statistics, etc.) Experience with at least one programming language (e.g., Python, R, C++, Java) Depth of knowledge in at least one OR/ML skill area (e.g., optimization, simulation, statistics) Practical experience with data extraction, cleaning, and analysis Demonstrated … technical professional environment 2+ years of experience developing and implementing large scale optimization models using MIP and heuristics 2+ years of experience in Java or C++ Experience using cloud platforms and parallel processing to scale model development/deployment Experience with SQL and data visualization Domain knowledge in the airline ...

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 ...

Java Tech Lead (London)

Hiring Organisation
Fruition Group
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Java Technical Lead Location: London (Hybrid - 2 days on-site) Salary: Up to £110k + Benefits The Role We're looking for a Java Tech Lead to join a high-performing tech consultancy delivering complex, business-critical systems for enterprise and scale-up clients click apply for full job details ...

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, 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 ...

Technical Product Owner

Hiring Organisation
Morson Edge (Financial Services)
Location
Northampton, England, United Kingdom
Technical Product Owner – Payments, Issuing, Ownership, Strategy, REST API, Java, Stakeholder Management – Financial Services – Northampton – Permanent Up To £75,000 base + bonus My client a leading financial services organisation are seeking a Technical Product Owner to join their growing technology team. This is an excellent opportunity for someone with … business teams. The ideal candidate will have: Experience working as a Technical Product Owner within an Issuing or Financial Service environment. Strong understanding of Java, JavaScript, and REST API fundamentals Strong stakeholder management and communication skills Experience working within Agile methodologies and cross-functional teams Ability to bridge ...

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. ...