2,176 to 2,200 of 3,568 Permanent Java Jobs

Tech Summary Seeking experienced Full Stack Application Engineers to design, develop, support, and enhance enterprise web applications within a global delivery environment. The ideal candidate is a strong hands-on developer with excellent coding, troubleshooting ...

Banbury - Hybrid (2 Days Per Week) - Java Developer We’re looking for a Senior Software Engineer to join a brand-new team of engineers, working on a major cloud transformation and rearchitecture project . You’ll be helping rewrite and modernise a core product while keeping it fully operational … doing: Build and contribute to new software modules and services Help design and rearchitect a core product for the cloud Work hands-on with Java, Spring Boot/Micronaut Navigate and improve complex legacy applications Contribute to engineering best practices, knowledge sharing and potentially hiring Help shape the technical direction ...

Hiring: Senior Software Engineer (Java/AWS) We are looking for a product-minded engineer to build scalable, high-volume transactional systems. If you love solving complex backend challenges and care about the user experience, we want to hear from you. The Tech Stack: Java & Spring Boot AWS (Cloud-native … shape features from concept to launch. Ensure high availability, performance, and scalability across our platform. What We're Looking For: Strong expertise in Java and Spring Boot . Solid experience architecture and deploying services on AWS . Background in high-scale e-commerce, travel, or transactional environments. A strong product ...

backend. The ideal candidate will be a hands-on Full Stack Developer who is comfortable working across Angular/React, TypeScript/Node.js, Java microservices and SQL . You may naturally lean towards either front-end or backend engineering, but you will have sufficient experience across the stack to contribute … within a Micro Front End (MFE) architecture. Develop Backend for Frontend (BFF) services using TypeScript and Node.js . Design and develop backend services using Java and microservices architecture . Support the migration from Java 8/11 towards Java 21/23 . Develop and integrate solutions using ...

backend.The ideal candidate will be a hands-on Full Stack Developer who is comfortable working across Angular/React, TypeScript/Node.js, Java microservices and SQL. You may naturally lean towards either front-end or backend engineering, but you will have sufficient experience across the stack to contribute … experience also considered.Work within a Micro Front End (MFE) architecture.Develop Backend for Frontend (BFF) services using TypeScript and Node.js.Design and develop backend services using Java and microservices architecture.Support the migration from Java 8/11 towards Java 21/23.Develop and integrate solutions using MS SQL Server.Work closely with engineering ...

join a high-performing technology team on an initial 6-month contract , working on complex, scalable software solutions with a strong focus on AWS, Java and AI-enabled technology . This is an exciting opportunity for an engineer who enjoys working at system level , solving complex technical problems and building … robust, reliable solutions within a modern cloud environment. Key Responsibilities Design, develop and maintain scalable software solutions using Java and AWS . Take a system-level approach to software engineering, understanding how applications, platforms and services interact. Work across complex third-party integrations , APIs and external platforms. Develop and maintain ...

currently seeking a Voice Services Developer for an exciting project with an enterprise voice development team. Given your strong background in Java and telephony systems, I thought this might be a great fit. Quick Highlights: Focus: Developing, testing, and maintaining mid-to-high performance SIP-based voice services using Java … unit configuring media engines like FreeSWITCH or Asterisk, analyzing network traffic, and deploying conversational AI bots alongside senior architects and DevOps teams. Requirements: Professional Java experience (including multi-threading and network programming), hands-on scripting with FreeSWITCH or Asterisk, deep knowledge of voice protocols (SIP, RTP/RTCP ...

software systems covering various aspects such as trading systems, exchange connectivity solutions, and monitoring systems.Apply your expertise in multiple programming languages, including Python or Java, to successfully accomplish development tasks.Conduct thorough testing at the unit, functional, and integration levels to ensure software reliability and performance.Handle both legacy code … synergy among traders, researchers, and software engineers.Qualifications:Experience in designing, developing, and supporting mission-critical, high-performance applications.Strong professional experience in Python (5+ years), Java and or C++Demonstrated expertise in network communication, including multicast and WebSockets.Proficiency in inter-process messaging, micro-service architectures, and API design.Familiarity with Functional Programming ...

growth and stability.The position is for a Ruby Web Application Developer to build new and maintain existing Rails applications communicating with a Java API. The developer will be working within an Agile team to design and deliver high quality applications.The Ruby/JavaScript Web Developer will also be responsible … development has sufficient test coverage to maintain qualityThe project will be stabilising the development of their web based platform which is built on Java and AWS EC2 and Ruby. This project will involve getting to know the platform and then adding greenfield functionality as well as brining the platform together.The ...

growth and stability.The position is for a hands on Lead Developer to build new and maintain existing frontend applications and sites communicating with a Java API. The current team has 2 bleeding edge ruby and frontend developers who need leadership to keep them from evangelising the world off. The Frontend … development has sufficient test coverage to maintain qualityThe project will be stabilising the development of their web based platform which is built on Java and AWS EC2 Javascript and Ruby. This project will involve getting to know the platform and then adding greenfield functionality as well as brining the platform ...

Engineer – FintechTo 60,000Quant Capital is urgently looking for a Java Developer to join our high profile client.Our client is a small fintech firm creating by one of the worlds best known personalities in fintech. They are known for solving one of the common problems in the retail financial space … making serious money doing something you are passionate about.My client is based in Central London, this role is remote for the considerable future.Java Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

Architect or Principal Test Architect level Extensive experience in Integration Testing and Contract Testing Strong hands-on experience with Pact Development background in Java, Python and/or C++ Experience testing microservices, APIs and distributed systems Strong understanding of CI/CD and automated testing practices Ability to influence senior … complex integration-heavy environments and be recognised as a subject matter expert in modern quality engineering practices. Automation Architect | Test Architect | Contract Testing | Pact | Java | Python | C++ | AWS | Microservices | QA Architect | Quality Engineering GCS is acting as an Employment Business in relation to this vacancy. #J-18808-Ljbffr ...

ensure platforms effectively support investment workflows. Contribute to improving the scalability, performance and reliability of distributed systems. Develop and maintain services primarily using Java and Python. Work across modern data and messaging technologies including Kafka, ArcticDB and MongoDB. Qualifications Degree in a quantitative/technical field (e.g. Computer Science, Mathematics … Engineering or Physics) 5+ years’ software engineering experience using Java or Python Strong Linux and Git knowledge Experience with modern databases (e.g. Postgres, MongoDB or similar) Strong problem-solving skills and attention to detail Able to work independently and collaborate with stakeholders Nice to have Exposure to distributed systems Open ...

DevOps Strong Software Engineering and pipeline background preferably Java based Proven experience and understanding of modern engineering practices DevOps Tools (CI/CD tools like Jenkins, Sonar, Nexus, GIT, Docker Containers) Test Automation Tools Junit, Cucumber, Selenium, Postman Passion for collaborating with other engineers and building a strong team culture ...

focus (quiet coding area, loud games room).The position is for a senior Ruby Developer to build a new Rails application communicating with a Java API. The current team has 5 bleeding edge ruby and frontend developers who need some help to keep them from evangelising the world off. … sharp end of technology and the possibility of making serious money doing something you are passionate about.My client is based in Central LondonRuby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript Lead Ruby Developer ...

accelerate delivery. In this fast-paced, entrepreneurial environment, you will own critical production systems, handle on-call responsibilities, and steer technology choices across Java/Spring Boot, React, Kafka, and AWS #J-18808-Ljbffr ...

cloud-native microservices and ensuring an outstanding banking experience for customers. Ideal candidates should have strong expertise in back-end software engineering, specifically in Java, alongside excellent communication skills. Join a diverse, inclusive environment to make a significant impact in transforming digital banking. #J-18808-Ljbffr ...

Wise is hiring a Senior Software Engineer II for its Wise for Banks team in London. You will design and lead scalable Java/Spring Boot services within a large microservices ecosystem, focusing on the architecture, scalability, and reliability of the global payments network. You will mentor engineers and help ...

public sector. You’ll own architecture, guide teams, and collaborate across engineering, design, and delivery management on greenfield projects. You’ll work with .NET, Java, Python, Node.js, AWS and Azure in a technology‐agnostic environment with hybrid offices in Altrincham or Westminster, focusing on scalable, secure enterprise solutions. #J ...

design, develop and troubleshoot production code, support data engineering and ML teams, and drive automation and operational excellence. The role requires strong Python/Java development, experience with AWS Databricks, SRE concepts, and secure coding practices. #J-18808-Ljbffr ...

seeking a Forward Deployed Engineer to join client engagements in Greater London. You will lead hands-on software engineering, DevOps, and security remediation across Java/JVM and Spring ecosystems, with periodic TypeScript work on Node.js projects. The role emphasizes modernization, CI/CD improvements, and strong client-facing leadership. ...

analysis research, CodeQL deeply analyses code to detect security vulnerabilities and correctness errors early across 10 supported languages, including C/C++, C#, Go, Java, JavaScript/TypeScript, Kotlin, Python, Ruby, and Swift. The team is responsible for how CodeQL understands code across these languages: we build and maintain … Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python OR Associate’s Degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related ...

will contribute to designing, building and deploying a global trade processing system and related services for cross-asset trading. The role requires strong Java development skills, experience with messaging systems such as JMS, Pulsar or Solace, and familiarity with Spring frameworks. Knowledge of SQL Server, JavaScript/React or Python ...

software systems covering various aspects such as trading systems, exchange connectivity solutions, and monitoring systems.Apply your expertise in multiple programming languages, including Python or Java, to successfully accomplish development tasks.Conduct thorough testing at the unit, functional, and integration levels to ensure software reliability and performance.Handle both legacy code … synergy among traders, researchers, and software engineers.Qualifications:Experience in designing, developing, and supporting mission-critical, high-performance applications.Strong professional experience in C++ , Rust, Java and PythonDemonstrated expertise in network communication, including multicast and WebSockets.Proficiency in inter-process messaging, micro-service architectures, and API design.Familiarity with Functional Programming and Immutable Design.Experience ...

systems covering various aspects such as trading systems, exchange connectivity solutions, and monitoring systems. Apply your expertise in multiple programming languages, including Python or Java, to successfully accomplish development tasks. Conduct thorough testing at the unit, functional, and integration levels to ensure software reliability and performance. Handle both legacy code … among traders, researchers, and software engineers. Qualifications: Experience in designing, developing, and supporting mission-critical, high-performance applications. Strong professional experience in C++ , Rust, Java and PythonDemonstrated expertise in network communication, including multicast and WebSockets. Proficiency in inter-process messaging, micro-service architectures, and API design. Familiarity with Functional Programming ...