2,001 to 2,025 of 3,472 Java Jobs in England

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 ...

Senior/Project QA Lead (AWS, Java, React) - Public Sector £550 per day | Inside IR35 | 6 months | Telford (2x monthly) | BPSS clearance Seeking a Senior QA Lead to drive quality across a large AWS-based modernisation programme. This is a hands-on leadership role - setting QA direction, embedding automation … confidently challenging stakeholders and delivery teams. Tech: AWS (Kubernetes), Java/Spring Boot, React, GitLab CI/CD, Playwright, OWASP, Gatling Role: Lead QA strategy and delivery across multiple teams Drive automation and modern QA practices Embed repeatable frameworks and standards Own test planning, risk, and reporting Provide hands ...

intersection of quantitative research and production engineering. You’ll help design and implement sophisticated pricing, hedging and optimisation models within high-performance, distributed Java systems. What you’ll be doing Building production‐grade pricing, hedging and optimisation models in Java Developing client pricing, spread optimisation and liquidity models Designing automated … logic across resilient, multi‐region trading systems Working closely with quantitative researchers, traders and engineers What we’re looking for 5+ years of advanced Java development experience Strong commercial experience with Java 17 or later , ideally Java 21 Excellent knowledge of concurrency, object-oriented design and performance engineering Experience building ...

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 ...

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 ...

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 … 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 ...

Tech Lead Tech stack is primarily Kotlin/Java , open to Python, .Net or Node Once per month in London office £90,000 to £110,000 + Bonus We're working with a globally recognised tech-for-good platform helping organisations build more sustainable, responsible supply chains. Backed … example, and makes full use of AI tooling to push team productivity. What you'll do: Build and evolve backend services (Kotlin/Java), owning architecture and technical direction Line-manage your engineers — 1:1s, growth, accountability, culture Partner with Product/Design to ship in thin, valuable slices Drive ...

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 … 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. ...

Associate Director @ Opus Recruitment Solutions | Shaping the Future of Tech firms across UK (JVM - Java, Scala & Kotlin) 🚀 Senior Full Stack Developer – Java & React Build Products That Shape High‐Stakes Decision‐Making I have partnered up with a fast‐growing tech firm who are building AI powered tools used by Fortune … work on complex, high‐impact systems where performance, security and clarity really take precedence. You’ll work hands‐on across a React frontend and Java/Spring Boot backend, guiding architecture, mentoring developers and delivering features that power intelligent, insight‐driven decision platforms. You’ll be part of a role ...

Required Skills Kotlin TLS DNS unit testing AWS MCP AI Java TypeScript CDK AWS CDK Networking CI/CD Job Summary Backend Software Engineer – AWS CDK & Edge Platforms Location: London (Hybrid) Pay Rate: £400/day Inside IR35 Duration: 12 Months The Opportunity Looking to work on high-scale distributed … latency client routing. Collaborating within an established engineering team to maintain operational standards. What We Are Looking For Solid software engineering background with Java, Kotlin, or TypeScript. Practical experience deploying and managing workloads on AWS using AWS CDK. Baseline knowledge of web networking (HTTP, TLS, DNS, load balancing). Familiarity ...

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 team … 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 ...

Support, maintain, and enhance application hosting and build platforms across AWS, Kubernetes, Jenkins, and GitHub Develop automation and tooling using Python, Java/Groovy, Go, and Terraform Lead code reviews and champion engineering best practices for security, performance, maintainability, and testing Contribute to technical standards and continuous improvement initiatives Maintain … complex engineering problems and maintain reliable production environments while mentoring other engineers. Highest-signal resume keywords AWS Kubernetes Python Terraform Code Reviews Hard Skills Java Groovy Go Automation Infrastructure Testing Distributed Systems Software Development Lifecycle Maintainable Code Performance Optimization Security Best Practices Soft Skills Collaboration Mentoring Problem Solving Communication Stakeholder ...

experiences to our customers. The Win with Data team owns the services that form our Data Ecosystem, creating and maintaining API’s, backed by Java and Python microservices to manage and unleash the value of data across the full data lifecycle. From capturing data in real time, making sure … seeking a Software Development Engineer to join us on our mission, where you’ll use a number of different languages (such as Java, Python, React/Typescript), to build both front and backend solutions, solving complex problems as we continue to build our next generation data ecosystem, to help ...

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 ...

looking for a Fullstack Engineer with the following skills: The Fundamentals: Modern JavaScript GitLab CI/CD Observability Technologies Java GitLab Version Control Database Technologies Web API Integration Apache NiFi Message Broker Technologies OpenShift Web Auth Distributed Architecture Kubernetes SecDevOps Cloud Native Technologies Required Clearance: DV or recently active ...

evolve backend services that support the complete customer order lifecycle, from order creation through to fulfilment and completion. Develop scalable microservices and APIs using Java/Kotlin, enabling reliable and efficient order processing across multiple channels. Contribute to event-driven architectures using Kafka to support high-volume transactional workflows across … complex commerce challenges. Who You Are A strong backend engineer with significant experience designing and operating scalable services in production environments. Knowledge working with Java and/or Kotlin and modern microservice architectures. Passionate about building reusable backend capabilities that enable multiple teams and products. Solid understanding of distributed systems ...

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 ...

Azure Engineer to drive the design and delivery of cloud-native, full-stack products on Microsoft Azure, with hands-on work across React, Java, and Python. The role focuses on AKS deployments, secure software development, and production excellence, including CI/CD, observability, and incident response. You will guide architecture ...

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 ...

operates reliably. This role balances hands-on delivery with architectural ownership. The ideal candidate has 7+ years of software engineering experience, with a strong Java/Spring Boot background and proficiency in designing cloud-native microservices. Competitive benefits and flexible working are offered. #J-18808-Ljbffr ...

automates core business processes. You will work across tech, product and operations to deliver high-impact solutions in a hybrid setup. You’ll use Java as a primary language, with Typescript and Python in the mix, and engage with cloud/AWS, Docker and Jenkins while growing architectural skills ...

role involves deploying product updates and identifying production issues while implementing integrations. Candidates should have a strong background in software engineering, particularly with Java, Ruby, or Python, and experience in public cloud environments such as AWS or Azure. The position is permanent full-time, offering salary based on experience. #J ...

site. You will design, develop, and troubleshoot distributed real-time data solutions that power mission-critical applications at enterprise scale. You will apply Java with Kafka, AWS, and Kubernetes expertise, drive secure coding practices, and collaborate across teams to deliver reliable, high-performance software using modern SDLC practices. #J ...

solutions, collaborating with cross-functional teams, and mentoring junior engineers. The ideal candidate has over 5 years of software engineering experience, strong skills in Java, Python, or JavaScript, and a solid grasp of Agile methodologies. Benefits include health care, retirement plans, and paid time off. #J-18808-Ljbffr ...

Quest Global is seeking software engineers in Greater London to design and implement applications using Java, Python, or Go. You will collaborate with stakeholders to define requirements, improve existing modules, and ensure high-quality code through reviews and best practices. The role emphasizes Kubernetes and AWS hands-on experience, with ...