Trabajos java en Reino Unido - Page 11

QA Engineer – Fintech Selenium Java. Quant Capital is urgently looking for a QA Engineer to join our high-profile client.

Technical Lead / Solution Architect. The contractor will be responsible for leading the design and delivery of the API layer and application logic.

A well-established Crypto Technology Company is seeking a Java Developer to focus on low latency systems and optimize connectivity into crypto exchanges. Familiarity with Java or C++ in low latency environments and experience in crypto exchange connectivity are essential.

As a Lead Software Engineer at JPMorgan Chase within the Accelerator business, you are the heart of this venture, focused on getting smart ideas into the hands of our customers.

Proficiency in Python or other programming languages such as Go, TypeScript, etc.

Senior Software Engineer, Acquisition & Activation (Frontend).

You’ll play a key part in architectural decisions, mentor junior developers, and collaborate closely with stakeholders to deliver high-quality enterprise-grade software solutions. Applying for Senior Software Developer position. We are seeking a highly experienced Senior Java Developer to join our

Are you a highly proven QA leader with deep Java expertise, confident in your ability to set direction and raise the bar in automation, performance, and security testing?. Lead QA Engineer - 12 Month FTC (we have office locations in Cambridge, Leeds and London). As a Lead QA Engineer at Genomics Eng

The role requires fluency in English, proficiency in either Python or JavaScript, and a bachelor's degree (completed or in progress).

A global transactional solutions leader is looking for a Senior Software Engineer (Tech Lead) in London. Ideal candidates have solid Java and Spring Boot experience, familiarity with cloud platforms, and strong leadership skills. The role involves leading a cross-functional agile team, guiding softw

Java Software Engineer - Payment Processing This is a fantastic opportunity to grow and evolve within a Software Engineering function with the opportunity to improve the software development process, methodologies and tools through applied experience, automation and simplification. Skills: Java Java

An experienced Java developer is required to design, implement and test improvements to the performance and features of the DROID file identification tool, starting with enabling DROID to be integrated with cloud-based workflows. Vacancy for Senior Java Developer at The National Archives. Prioritise

You possess strong development experience in Java and Kotlin.You have familiarity with Agile processes and Test-Driven Development (TDD).You understand Computer Science, Object-oriented Programming (OOP), Design Patterns, Data Structures, and Algorithms.Knowledge of additional technologies such as S

A dynamic tech company in Bromley is seeking a skilled developer experienced in C# and Agile methodologies to design and develop robust server-side functionality.The role involves understanding the technology stack, collaborating closely with team members for design and architecture, and improving d

A technology consultancy in the UK is seeking a Technical Lead/Solution Architect to lead the design and build of a secure metadata catalogue platform for a public sector client.

This part-time role involves working from home and offers flexibility alongside full-time commitments. Candidates should have a degree in computing or a related field and proficiency in programming languages like Python or Java.

Job Opening: Junior Java Developer. Quant Capital is urgently seeking a Junior Java Developer to join our high profile client. We are looking for a passionate Junior Java Developer with experience in Python, Ruby, and Fintech50.

A high level of proficiency in TypeScript and JavaScript is essential, with a focus on clean, maintainable code.

A reputable organization in Croydon is seeking a Senior Java Developer with a strong background in Elastic Search for a 1-year contract.

A technology solutions company in the UK seeks a Senior Palantir Engineer to design and develop large-scale data processing software. This role requires strong experience in Java, Scala, or Python and exposure to data-processing platforms like AWS and Azure.

The ideal candidate has strong expertise in Java, cloud engineering, and DevOps practices, along with excellent collaboration and mentorship skills. A leading retail company in the UK is looking for a Staff Software Engineer to join their Store Operations team. The role offers a comprehensive benefi

Proficient in Java (versions 8/11), Angular, Spring Boot, TypeScript, Python, HTML, and CSS. Proficient in Java (versions 8/11), Angular, Spring Boot, TypeScript, Python, HTML, and CSS.

HTML5, CSS / SASS & Javascript and TypeScript, familiarity with a frontend framework such as Angular / React / Vue (Angular preferred). RESTful APIs, Git, code abstraction, debugging and systems analysis, HTML5, CSS / SASS & Javascript and TypeScript, familiarity with a frontend framework such as An

We are urgently seeking an Adobe Livecycle Developer with experience in Oracle and Javascript. Job Opportunity: Adobe Livecycle Developer. Development of dynamic PDF forms using XML and JavaScript.

The ideal candidate will have strong Java experience, along with a proven track record in team management and agile delivery. A historic retail brand in the UK is looking for a passionate Software Engineering Manager to lead their engineering team.

An established tech firm is seeking a Senior DevOps Professional specializing in Networking, Fortinet, and Cisco Firewall to join their team in Croydon.This role offers the flexibility of remote work with occasional office days.Candidates should possess experience in Java, Spring framework, and CI/C

The role involves developing scalable services with Java and Kotlin, mentoring junior engineers, and collaborating with cross-functional teams. The ideal candidate has over 5 years of experience in data-intensive distributed systems and strong familiarity with cloud technologies. A prominent retail

Hype Studio is an independent enterprise software consulting firm serving the manufacturing and distribution industries in around the world.

Must have experience with JavaScript (vanilla JS, prototypes, scoping, design patterns, memory profiling). Experience with the following skills would be pretty handy:. A successful candidate will have a proven ability.

A technology training company in London is seeking an AI Chatbot Coding Trainer.

Developer with proven experience in developing with Node.You should have solid experience with Microservices Design Patterns and Architecture, as well as demonstrable expertise in building, running.Salary: £45,000 - 80,000 per year.The ideal candidate will have experience with Node.

Job Opportunity: AI Chatbot Coding Trainer.We are looking for programmers to join our team and help train our AI chatbots to code.Candidates must be fluent in English and proficient in either Python and/or JavaScript.Help train our AI chatbots to code.Proficient in Python and/or JavaScript.Expertise

HTML5, CSS / SASS & Javascript and TypeScript, familiarity with a frontend framework such as Angular / React / Vue (Angular preferred). RESTful APIs, Git, code abstraction, debugging and systems analysis, HTML5, CSS / SASS & Javascript and TypeScript, familiarity with a frontend framework such as An

Distributed, event-driven core Java (90% of the code-base), MySQL, Kafka.Python & Jupyter notebooks, Parquet, Docker.Work across the stack to solve a problem.You might be working with a performance-critical component, integrating a new blockchain, or designing a greenfield cloud-based system.Regular

A leading technology training and consultancy firm is seeking a Junior Java Automation Engineer to undergo full-time training and subsequently work as a 'Spartan' consultant with clients.

A leading technology firm in Greater London is seeking an experienced Enterprise Architect (Java J2EE) for a contract role in the BFSI domain.Responsibilities include driving architectural discussions, leading application modernization, and designing cloud solutions on Microsoft Azure.Ideal candidat

Kryptos Technologies UK Limited. Lead the evaluation and adoption of emerging technologies including AI‑driven code analysis and observability platforms. Nice to have experience in technologies and platforms such as OutSystems, Salesforce, Altrix and other similar platforms.

The ideal candidate has strong skills in Scala and Java, alongside experience in AWS, Agile methodologies, and continuous integration.

Up to £700 per day Outside IR35 (6 month rolling).Quant Capital is hiring for a small, high-performing market maker in London.This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and PostgreSQL.

Engineering Manager - Financial Services Company (Global Market) - £100k + Annual Profit Share - React/ Java/ Spring (20% hands on). Engineering Manager - Financial Services Company (Global Market) - £100k + Annual Profit Share - React/ Java/ Spring (20% hands on). R00266507 Management Consulting

Responsibilities: Build and maintain low-latency trading systems and smart order routing infrastructure Develop and implement algorithmic execution strategies Collaborate with traders and product teams to refine routing logic and features Monitor and optimize system performance under live trading co

Senior Full Stack Engineer (Java / Python) Contract Length - 6 months Location - London (2 days onsite) We are hiring a Senior Full Stack Engineer for a high-priority, ASAP-start contract role with a leading UK tech platform. This is a hands-on senior engineering position within an established team building scalable, modern full stack systems. The Role You'll be a senior individual contributor working across backend and frontend systems, helping shape technical direction and confidently engaging with stakeholders to influence engineering decisions. The core stack is Java-first, with increasing importance on Python-based services (including orchestration, agents, and modern AI/LLM integrations), alongside a strong React frontend. This is not a leadership/management role, but you must be able to operate at senior level, challenge decisions, and drive engineering quality. What you'll bring We're looking for a strong Full Stack Engineer with recent commercial experience across: Java + Spring Boot (core requirement, must be recent - ideally last 12-24 months) Python (recent hands-on experience essential - services, orchestration, or AI/LLM work highly valued) React (strong frontend experience is critical) Experience building and delivering end-to-end full stack applications (frontend, backend, APIs) Plus exposure to: Cloud platforms (AWS preferred; Azure/GCP also fine) Containers (Docker, Kubernetes - Kubernetes preferred) Data systems (Postgres / NoSQL; bonus for vector DBs, embeddings, semantic search) Agile delivery environments Engineering best practices (TDD, SOLID, XP principles) Other Key Skills Strong communication skills and stakeholder management Ability to challenge technical decisions constructively Senior-level ownership and accountability (IC role, not managerial) Reliable, collaborative, and comfortable in fast-moving environments ?? Important notes Must have recent Java AND Python experience (last 1-2 years ideal) Frontend (React) experience is essential - full stack capability required Candidates must be comfortable working onsite in London twice per week (Soho) Please note - candidates must have full right to work in the UK. This is a fast moving requirement, and we are prioritising candidates who are immediately available or on short notice. TPBN1_UKTJ

Java Developer Active SC clearance required Inside IR35 Location: Remote UK Role Overview We are seeking a skilled SC Cleared Java Developer to join our team. The ideal candidate will have a strong background in software development, specifically in Java and related technologies. You will be responsible for designing, developing, and maintaining robust applications that meet our business needs while collaborating with cross-functional teams in an agile environment. Responsibilities - Develop and maintain high-quality Java applications using Spring Boot. - Design and manage databases, preferably using Postgres or other relational SQL databases. - Utilise Docker for containerization and deployment of applications. - Implement test-driven development practises using Junit, Mockito, or similar testing libraries. - Participate in CI/CD processes using Jenkins or similar pipeline tooling to ensure smooth integration and deployment. - Work collaboratively within agile teams, contributing to discussions and decision-making processes. - Collaborate with colleagues from various disciplines to deliver comprehensive solutions. Qualifications Essential Skills/Experience: - Proficiency in Java, particularly with Spring Boot framework. - Experience with Postgres or other relational SQL databases. - Familiarity with Docker for application deployment. - Strong understanding of test-driven development and experience with Junit and Mockito or similar libraries. - Experience with CI/CD practises, particularly using Jenkins or similar tools. - Ability to work effectively in agile teams and collaborate with cross-functional colleagues. Desirable Skills: - Knowledge of API Specification using Swagger OpenAPI. - Experience with Gradle for project management. - Familiarity with Liquibase for database version control. - Understanding of Kafka for messaging services. - Experience with front-end technologies such as React and Typescript

Lead Engineer (VP) | Fixed Income Trading Platform Modernisation | London (Hybrid – 3 days onsite) | Up to £130,000 + strong benefits Overview: An opportunity has opened for a Lead Engineer (VP) to play a key role in transforming a Rates and Credit Fixed Income technology platform as part of a major multi-year front-office modernisation programme. This is a hands-on engineering leadership role focused on building real-time, high-performance trading applications supporting business-critical workflows across the Fixed Income landscape. You’ll work closely with traders, quants and senior stakeholders to design and deliver scalable systems across a modern event-driven architecture stack. What you’ll be doing: Building real-time, high-performance microservices supporting rates and credit trading workflows Designing end-to-end full-stack solutions across distributed systems and trading UIs Delivering low-latency event-driven interfaces handling large streaming datasets Partnering directly with front-office stakeholders to shape platform evolution Driving engineering best practices across architecture, CI/CD, testing and code quality Influencing the long-term strategy of a major Fixed Income technology modernisation programmeWhat we’re looking for: Strong experience building complex, high-performance Java applications in distributed environments, alongside: Expertise with modern Java, concurrency and reactive programming Experience building low-latency, real-time UIs Strong understanding of event-driven architectures Messaging technologies such as Kafka, Solace or RabbitMQ Experience with WebSockets, SSE or reactive UI frameworks REST + event-driven API design experience Strong SQL and relational database knowledge Experience deploying services using Kubernetes A track record of promoting engineering excellence across teamsPackage: Salary up to £130,000 Hybrid working (3 days per week onsite in London) Large-scale platform transformation programme Strong engineering culture with modern tooling Opportunity to influence long-term architecture direction Clear VP-level progression opportunities

Oracle Developer, Fully Remote Working Our client is recruiting for a skilled Oracle Developer to join our team and play a key role in delivering solutions across enterprise environments. You will help design, develop and optimise database driven applications and integrations. Fantastic opportunity to work in a fully remote environment with a tech led company. Duties • Design, develop, and maintain Oracle based applications and database solutions, • Write efficient, scalable and high-performance SQL and PL/SQL code, • Develop and integrate RESTful APIs to support modern application architectures, • Collaborate with architects, developers and consultants to translate requirements into solutions, • Contribute to system design, code reviews and best practice development, • Support deployment, testing and ongoing maintenance of applications Skills & Experience Required • Oracle Database development (SQL / PL-SQL), • SQL Server, • Experience designing and consuming RESTful APIs / REST API services, • Proficiency in at least two of the following programming languages:, • Python, • Java, • JavaScript, • .NET (C#), • Experience working in Agile / Scrum environments, • Excellent problem-solving skills and attention to detail Desirable Skills • Experience with cloud platforms (Oracle Cloud, AWS, Azure), • Knowledge of microservices architecture, • Exposure to DevOps practices and CI/CD pipelines, • Experience with containerisation (Docker / Kubernetes)

I am currently working with a London-based financial services client who are actively seeking 3 Senior Java developers to assist in the development and maintenance of a business-critical system in the Equity Derivatives space. What you'll need to succeed: 10+ years' server side Java development experience. Strong commercial software development experience in financial services, ideally investment banking. Strong experience with CI/CD pipelines. Strong experience with Oracle. Strong experience with Linux/Unix. Strong cloud experience, ideally AWS. Good knowledge across a range of asset classes. What you'll get in return: Up to £850pd Umbrella London-based hybrid working. Initial 6-month contract with extensions. What you need to do now: If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)

Platform Engineer - Active SC, Oracle, Java Up to £550 per day - Inside IR35 Hybrid 6 months My client is an instantly recognisable consultancy who urgently require a Platform Engineer with Active SC Clearance for an end client within the public sector. Key Requirements: Proven commercial experience working as a Platform Engineer within the public sector. Active SC Clearance. Experience maintaining and troubleshooting legacy applications/infrastructure, including Oracle, WebLogic, and Elasticsearch. Building and supporting CI/CD pipelines, refactoring code, and developing automated tests. Strong knowledge of Nginx, Apache Tomcat/HTTP, and ETL processes. Installing and supporting Oracle 11, including Partitioning, RAC, RMAN (PL/SQL desirable). Hands-on experience with Docker, VMWare ESX v6, and related virtualization technologies. Proficiency in Oracle Solaris 10, Red Hat Enterprise Linux 8, Microsoft Windows Server (2008/2016/2019), and IBM Initiate MDM. Nice to have:Immediate availability. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)

Solution Architect Location: London - 2/3 days on site Duration: 04/05/2027 Rate- £506 MUST BE PAYE THROUGH UMBRELLA Key Responsibilities: Lead and manage software development projects using Java, Python, Typescript, AWS, React JS, Angular, and other technologies. Collaborate with cross-functional teams to define project scope, objectives, and deliverables. Create the high-level design (or solution architecture documents) for the business requirements Produce several option papers and work with architecture community and forums to get the designs approved Proficient using architectural principles and patterns, variety of solution types, detailed design patterns, best practices, integration choices etc Design solutions reducing technical debt with futuristic solutions aligning to enterprise architecture and vision Aim to reuse the existing applications, services, and data, wherever possible Work with cross-functional teams to deliver the defined scope, objectives, and deliverables on technical grounds Facilitate communication between stakeholders, development teams, and other departments. Ensure adherence to software development lifecycle (SDLC) processes and best practices. Develop detailed project plans, including timelines, resource allocation, and risk management strategies. Monitor project progress, identify potential issues, and implement corrective actions as needed. Provide technical guidance and support to development teams. Prepare and present project status reports to stakeholders. Utilize tools such as ServiceNow, Confluence, and JIRA for project tracking and documentation.Qualifications: Strong Insurance domain working experience, london market experience will be added advantage Strong technical experience in Architecture, Design and Development Strong technical background with expertise in .Net, Java, Python, Typescript, AWS, React JS, and Angular. Proven experience managing end-to-end project lifecycles. Exceptional leadership and team management skills. Excellent problem-solving and analytical abilities. Strong communication and interpersonal skills.Skills: Software Architecture REST API Development Java, Python, Typescript, AWS, React JS, and Angular SDLC with Agile Methodologies, Scrum Issue Resolution ServiceNow, Confluence, JIRA Risk Management Project Management Team Leadership Stakeholder Communication Insurance Domain Experience