1 to 25 of 312 Permanent Java Jobs in Central London

Job Title: Java Developer Location: London (Hybrid – 3 days in office per week) Salary: Up to £80,000 per annum About the Company: Join a leading travel company renowned for delivering exceptional customer experiences and innovative digital solutions. As part of a forward-thinking technology team, you’ll contribute to shaping the future of travel by building scalable, high-performance … applications used by millions of customers worldwide. The Role: We are looking for a skilled Java Developer to join our London-based technology team. You will work on designing, developing, and maintaining enterprise-level applications that support our digital platforms and customer-facing services. Key Responsibilities: Design, develop, and maintain high-quality Java applications and microservices. Collaborate with cross-functional … Ensure code quality through unit testing, code reviews, and adherence to best practices. Troubleshoot, debug, and optimize applications for performance and scalability. Stay up-to-date with the latest Java technologies and industry trends. Required Skills & Experience: Strong experience in Java (Java 8+) development. Solid understanding of object-oriented programming and design patterns. Experience with Spring Framework (Spring Boot, Spring More ❯

Java Engineer We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading and risk systems. The … ideal candidate will have a strong understanding of multithreaded Java applications, coupled with an appreciation for scalability, data integrity, and system performance. Tech Stack & Skills: Strong core Java (Java 8+), with proven experience in multithreading and concurrency Solid understanding of data structures, algorithms, and object-oriented design Experience in low-latency or high-performance systems (finance or similar domains a … with messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance systems and wants to make an impact in a fast-moving financial environment, we’d love to hear from you. More ❯

Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing and designing software solutions, ensuring adherence to best practices and coding … coding, debugging, and maintaining applications, conducting code reviews, troubleshooting complex technical issues, and driving innovation with new technologies. Key Responsibilities: • Team Leadership: Lead, mentor, and guide a team of Java developers in the development lifecycle. • Project Management: Oversee Java development projects from conception to completion, ensuring alignment with project requirements and timelines. • Technical Expertise: Design, develop, test, debug, implement, and … maintain software applications using core Java technologies. • Quality Assurance: Ensure high-quality code through code reviews, adherence to coding standards, and implementation of best practices. • Collaboration: Work closely with product managers, stakeholders, and other technical and business groups to define and deliver solutions. • Innovation: Stay updated on emerging Java technologies, propose new solutions, and contribute to innovation initiatives. • Troubleshooting: Analyze More ❯

best practices Collaborate with cross-functional teams to deliver project goals Stay current with emerging technologies and development methodologies Tech Stack & Tools Programming Languages: C++, C#, Python, JavaScript, TypeScript, Java Frameworks & Libraries: .NET, Node.js, React, Angular, Spring Boot, Django (depending on role) Cloud Platforms: AWS, Azure, GCP DevOps & CI/CD: Docker, Kubernetes, Git, Jenkins Agile methodologies and tools (e.g. More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering … culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD best practices … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL More ❯

Senior Java Engineer London/Hybrid (3 days per week in office) Up to £100,000 + excellent benefits James Adams is working with a fast-growing technology company that’s scaling its engineering function and looking for an experienced Senior Java Engineer to join their core platform team. This role is ideal for someone who wants to work on … modern, cloud-native microservices within a high-performing engineering culture that values clean code, collaboration, and innovation. You’ll be working with Java 11+ (preferably Java 21) , Spring , and Kafka , contributing to the design and delivery of resilient distributed systems used at scale. The Role Design and build high-quality, scalable microservices in Java. Apply functional programming principles using Java … or Kotlin. Work extensively with Java Streams , ensuring clean, performant code. Integrate and manage Kafka for real-time data streaming. Optimise SQL queries and database performance for reliability and speed. Drive best practices across monitoring, observability, and automation. Collaborate with cross-functional teams to deliver new platform capabilities. About You Strong commercial experience with Java 11+ , ideally Java 21 . More ❯

Mode of Work – 5 Days Onsite in Week Type of Hiring – FTE/Permanent Note: RHCE certification mandatory Skills Mandatory Skills : Grafana, Angular, IBM Tivoli Workload Scheduler, IIS Server, Java, JavaScript, JBoss, Jenkins, Jira Service Desk, Kafka, Kibana, Knowledge Management, Kubernetes, AppDynamics, Major incident management, Microservices, MongoDB, MS SQL Server, MSBI-SSRS, MySQL, AS/400,Asp.net,PostgreSQL,PowerBI,Problem More ❯

What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++/C#/Java/etc would also be considered) Experience working on mission-critical applications, following a robust SDLC Excellent communication and problem-solving skills; and a strong aptitude for learning Experience and More ❯

Senior Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with … a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work with a variety of languages, frameworks and tools. … Applicants will need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Senior Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong database knowledge (SQL and NoSQL) Degree in Computer Science, Engineering, or a related field, or More ❯

Hybrid: 2 Days in Office) - 120k Salary Overview Lead the design, development, and enhancement of software solutions that deliver business, platform, and technology capabilities. Key Requirements Strong experience in Java (17+) development Expertise in Spring Boot , RESTful APIs , microservices , and SQL/NoSQL integration Experience with messaging platforms (MQ, TIBCO, Kafka, Solace) Solid understanding of RDBMS (Oracle, MS-SQL, PostgreSQL More ❯

layer. Ensure compliance with security policies and participate in audits and vulnerability remediation. Maintain accurate documentation, including topology diagrams, runbooks, and configuration baselines. Support proprietary messaging APIs using C++, Java, Python, and C# programming languages. Provide support for proprietary cache and gateways that integrate applications with the messaging service. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ messaging More ❯

x Senior Java Developers Front Office Banking London I have 3 new exclusive opportunities for Front Office Java developers to join a thriving bank as they are building out their Front Office Java development team- 3 headcount- as part of growth and development. The bank area is Front Office pricing and risk, and we can look at any front office … Java developers Role details Role title: Senior Java developer/Java software engineer Employer: investment bank Front Office banking: Platform pricing and risk Location: London City (Liverpool Street station) and home working hybrid 50%/50% Permanent roles- 3 roles £90,000- £130,000 plus bonus Requirements: excellent java developer background, banking is a must, ideally front office banking with … pricing, and risk especially beneficial These new hires are a part of a growth plan for the front office area of this investment bank as they expand their java development skills. As the senior java developer, you will be hands on with Java 21 working with front office risk teams, trading desk, quants and devops to build a state of More ❯

a genuine technologist’s role — building critical software that combines engineering precision, scalability, and innovation. What We’re Looking For Very strong expertise in one of C#, Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system More ❯

Provide technical expertise during bids and proposals, influencing solution design and delivery approach. Tech Stack You’ll work with modern, scalable technologies and frameworks including: Languages: JavaScript/TypeScript, Java, Frameworks: React, Angular, Node.js, Spring Boot, .NET Cloud Platforms: AWS, Azure, GCP CI/CD: Jenkins, GitHub Actions, Azure DevOps IaC: Terraform, CloudFormation, Azure Bicep Safe and pragmatic use of More ❯

suits someone who enjoys solving complex challenges, mentoring engineers, and shaping modern, scalable systems using a variety of technologies and cloud platforms. Our Tech Stack Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue, Angular, React, Node, Next.js, Spring Boot, .NET Cloud Platforms: AWS, GCP, Azure CI/CD: Jenkins, GitHub Actions, Azure DevOps Infrastructure as Code: Terraform, CloudFormation, Azure Bicep More ❯

across complex cloud environments Applying strong engineering discipline (testing, automation, quality gates, Git best practice) What they’re looking for Strong AWS deployment & platform engineering experience Programming in Python, Java, JavaScript or .NET Experience with CI/CD (Jenkins, Bamboo, Bitbucket, Git, TeamCity etc.) Clear, confident communication — consulting-style profiles very welcome Eligible for DV Clearance (10 years UK residency More ❯

infrastructure-as-code: Terraform Experience with GKE, Helm, and Harness Experience with Linux System Administration Understanding of high-availability, disaster-recovery, monitoring and logging at scale Deep hands-on Java (plus Spring framework). Nice to have: Python and Node.js Skills and Experience Consulting experience, preferably with major IT consulting Docker (DCA) or Kubernetes (CKAD) certification a plus Highly articulate More ❯

Expertise in CI/CD pipelines, infrastructure-as-code, and cloud-native development Solid knowledge of modern development frameworks and tools Our Tech Stack includes: Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue, Angular, React, Node, Next, Spring/Spring Boot, .NET/ASP.NET Cloud Platforms: AWS, GCP, Azure CI/CD: Jenkins, GitHub Actions, Azure DevOps IaC: Terraform, CloudFormation More ❯

Senior Java Developer- London/Hybrid- up to £95k Our client an innovative and light footed fintech startup/scaleup brand are on a mission to revolutionise the credit and lending space. The brand who have now been running for the last 10 years and backed by VC investment are looking to hire a Senior Engineer to work on an … for people that are willing to come to their office 3 days per week, they may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable … ups, sprint panning, retrospectives and foster collaboration mentor more junior engineers collaborate with cross functional teams champion best practice Projects: migration from some monolithic architecture to microservices migration from java 11 to java 17 migration to new versions of Vaadin brand new lender platform and payment systems for their customers Building a white label solution or managed service offering Cultural More ❯

Core tech stack: Terraform, AWS (preferred), Azure, CI/CD You will also bring experience in: 4+ years experience in platform engineering Programming in one or more languages: JavaScript, Java, .Net, Python Experience mentoring, coaching or managing others in the team Designing and building Proof of Concept and Production systems collaboratively Source control (e.g. Git, Mercurial, Perforce) CI/CD More ❯

/CD, Agile delivery, and containerisation (Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and streaming tech (Kafka/Kinesis). If you’re ready to tackle hard problems, enjoy architectural freedom, and More ❯

/CD, Agile delivery, and containerisation (Docker, Kubernetes). Strong leadership of distributed engineering teams. Desirable: Experience in social media, advertising, eCommerce, or news. Proficiency in Node.js, Go, Python, Java, and modern front-end frameworks. AWS certifications, microservices/service mesh, and streaming tech (Kafka/Kinesis). If you're ready to tackle hard problems, enjoy architectural freedom, and More ❯

roles within complex or regulated technology environments. Proven experience designing and executing tests across multiple NFT domains (performance, DR, failover, resilience, and scalability). Strong understanding of distributed architectures, Java microservices, and containerised deployments. Proficiency with testing and monitoring tools such as JMeter, LoadRunner, Grafana, Dynatrace, Splunk, or AppDynamics. Familiarity with CI/CD and DevOps tooling – Jenkins, Docker, Kubernetes More ❯

Why Join FDM’s Graduate Programme? Up to 12 weeks of hands-on training in our Skills Lab with expert coaches Learn practical skills such as Object-Oriented Programming, Java, Springboot, React, Python, JavaScript, Git, SQL, cloud platforms, and CI/CD pipelines and AI integrations Make an impact and work on real projects with top global brand Get ongoing More ❯

orchestration experience (Airflow, Prefect) Ability to build custom automation frameworks using Python or similar languages Full-Stack Development Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE More ❯