701 to 725 of 3,961 Permanent Java Jobs

applications used by customers worldwide. You'll be joining a collaborative engineering environment where you'll contribute to the design, development and optimisation of Java-based backend services, working across cloud infrastructure, automation, and distributed systems. The role offers exposure to modern DevOps practices, cloud-native technologies, and large-scale … DevOps technologies The Role Working as part of an experienced backend engineering team, you will be responsible for designing, developing and maintaining scalable Java services while helping to improve system reliability, automation and deployment pipelines. You will contribute throughout the full software development lifecycle, from solution design through to deployment ...

Senior Python Software Engineer Up to £120,000 London | Python | Java | Cloud | Real-Time Distributed Systems | Bonus & Excellent Benefits Are you an experienced backend engineer who enjoys solving complex technical challenges in high-performance, real-time environments? We're partnering with an innovative technology business that's investing heavily … that process live data, integrate with external platforms and support business-critical applications. Responsibilities include: Designing and developing scalable backend services using Python and Java Building cloud-native, event-driven applications Developing integrations with third-party platforms and APIs Designing and optimising real-time data processing pipelines Improving application performance ...

successful candidate will be writing code as well as setting direction - this is not a purely architectural or management position. Current delivery is a Java/Spring Boot microservices platform on AWS EKS, with a Next.js frontend and Camunda-based process orchestration. Essential Experience level: 10+ years minimum, principal … staff grade equivalent. Backend and cloud: Java 17 or 21, at expert level - modern language features Spring Boot in depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda ...

successful candidate will be writing code as well as setting direction - this is not a purely architectural or management position. Current delivery is a Java/Spring Boot microservices platform on AWS EKS, with a Next.js frontend and Camunda-based process orchestration. Essential Experience level: 10+ years minimum, principal … staff grade equivalent. Backend and cloud: Java 17 or 21, at expert level - modern language features Spring Boot in depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda ...

Automation Tester - UK/Remote - Government £400/Day Inside IR35 Key Responsibilities Design, develop, and maintain automated test frameworks using Java, Selenium, and Cucumber . Create and execute automated test scripts for functional, regression, and integration testing. Collaborate closely with developers, BAs, and product teams to understand requirements …/CD pipelines and support test automation integration into build processes. Essential Skills & Experience Active Security Clearance. Strong, commercial experience in automation testing using Java . Proven hands-on experience with Selenium WebDriver for UI automation. Solid experience using Cucumber/BDD frameworks . Experience working within Agile/Scrum ...

Senior Software Engineer (Sports betting) Up to £120,000 + Bonus + Excellent Benefits London | Python | Java | GCP | Real-Time Distributed Systems Build systems where performance really matters. If you're a Senior Software Engineer who gets excited by high-performance systems, distributed architecture and real-time data, this could … gambling (or similar) industry experience at this time. You'll be involved in: Designing and building highly scalable backend services Python and/or Java as one of your core programming languages Developing cloud-native, event-driven applications Building integrations with third-party platforms and APIs Designing and optimising real ...

manage the site workflow through a real-time visualisation and intervention tool, on the other hand. Ours is a globally distributed, full stack java tech team and our building blocks consist of a set of Microservice components, backend APIs, Rich UI, robust Eventing Platform and Data layer components utilising … wide range of modern technologies including:Java, RxJava, SpringBoot Kafka, PostgreSQL and CouchbaseDocker, Kubernetes, Jenkins, Azure DevOps, Splunk, AppDynamics, New RelicAzure CloudWe are responsible for the software throughout the lifecycle. We maintain a DevOps culture employing continuous integration and delivery, supporting our code through to production and beyond.What ...

Senior Software Engineer (Sports betting) Up to £120,000 + Bonus + Excellent Benefits London | Python | Java | GCP | Real-Time Distributed Systems Build systems where performance really matters. If you're a Senior Software Engineer who gets excited by high-performance systems, distributed architecture and real-time data, this could … gambling (or similar) industry experience at this time. You'll be involved in: Designing and building highly scalable backend services Python and/or Java as one of your core programming languages Developing cloud-native, event-driven applications Building integrations with third-party platforms and APIs Designing and optimising real ...

wider suite of applications our operational teams rely on every day. As part of the team, you will design and implement solutions in Java following agile principles, work closely with business stakeholders, and contribute to the continuous optimisation of our systems. We welcome candidates at all levels — from junior developers … with strong Java fundamentals through to senior engineers with Air Logistics domain experience and a track record of contributing to architecture decisions in distributed teams.How you create impactWork with operational and product stakeholders to analyse business processes, then design and implement solutions end-to-endParticipate actively in design and architecture ...

specialist technical environment. As a Software Developer/Software Engineer , you will design, develop and maintain high-performance backend solutions using C++ and Java in Linux environments, working with customers and internal teams to deliver reliable, scalable software. This role offers up to £78,000, with a relocation package considered … clearance which must be held at the time of application. You will be responsible for: Designing, developing and maintaining backend applications using C++ and Java within Linux environments. Leading the technical development of software components, services and APIs. Producing reliable, scalable and maintainable code with a strong focus on performance ...

Senior Software Engineer (Backend), you will play a key role in designing and building scalable, cloud-based services using Java and Spring Boot. You’ll work closely with your manager, architecture team and teammates to deliver high-quality backend systems that power critical business functionality.In this role, you are expected … architectural decisions, mentor other engineers, and help drive continuous improvement across the team.What You’ll DoDesign, build, and maintain robust backend services using Java and Spring BootCollaborate with your manager, business units and peers to deliver features on time and aligned with business prioritiesContribute to system design and architecture discussions ...

that: Serves packages to customers at scale; Automates CVE remediation and verification workflows; Powers AI‐driven package builds; Provides shared services across language ecosystems (Java, JavaScript, Python/AI/ML and beyond). What you’ll do: Lead the design and implementation of core components of the Libraries Platform … including the services, pipelines, and package index that power secure, reproducible build, test, and distribution workflows for libraries across multiple ecosystems (Java, JavaScript, Python/AI/ML). Design and maintain automation for artifact creation, updates, and verification, including vulnerability scanning, remediation workflows, SBOM and provenance generation, and policy ...

RoleWe are looking for a product-focused Senior Software Engineer to join our Experiences Engineering team. This is a full-stack role, leveraging Java, SQL, React, AWS and AI tools. It suits "T-shaped" engineers who thrive on autonomy and technical leadership. You’ll build and maintain highly scalable distributed … using operational data or experiment results to validate every significant technical decision.Full-Stack Proficiency: Strong experience in at least one modern backend language (e.g., Java, C#, Go, Python) and familiarity with modern front-end frameworks.AI Coding: you are fluent coding with either Cursor or Codex/Claude/Open Code. ...

RoleWe are looking for a product-focused Senior Software Engineer to join our Experiences Engineering team. This is a full-stack role, leveraging Java, SQL, React, AWS and AI tools. It suits "T-shaped" engineers who thrive on autonomy and technical leadership. You’ll build and maintain highly scalable distributed … using operational data or experiment results to validate every significant technical decision.Full-Stack Proficiency: Strong experience in at least one modern backend language (e.g., Java, C#, Go, Python) and familiarity with modern front-end frameworks.AI Coding: you are fluent coding with either Cursor or Codex/Claude/Open Code. ...

learning, experimenting, and push for innovative designs to help us building better product experiences for our clients. Tech Stack You'll Work OnBackend: Python, Java, TypeScript, SQL, APIs, microservices, containersFrontend: Angular, JavaScript, HTML5/CSSCloud: AWS (EC2, Lambda, Glue, EKS, SQS, SNS and any other as required)Databases: SQL Server … distribution use casesBe able to be product centric and client ledSolid experience in UI development for business-critical applications in Angular (8 and above), Java Script, HTML/CSS, Java, C#Exposure to AWS servicesSolid stakeholder managementPersonal traits you should have: Excellent attention to detail and an ability to think laterally ...

What makes you a great fit Above all, you are a technically strong and quality-driven engineer with deep expertise in C/C++, Java, and server-side development, combined with strong DevOps skills and a genuine passion for mentoring others and owning products end-to-end. We would also … imagine that you have: Strong professional experience in C/C++, Java, SQL, and developing REST APIs with PostgreSQL-backed server applications Solid understanding of data structures, algorithms, and software design patterns Proficiency with CI/CD pipelines, Docker, Kubernetes, Jenkins, Git, and Linux environments including bash scripting and services ...

test environment management to support a large-scale transformation programme moving from a legacy monolithic setup to a microservices-based set up using Java/Kafka/OpenShift. This role will also require also support/management of the legacy landscape. Key Responsibilities:Test Environment Strategy Development:Own and drive … Linux and Infrastructure Engineering Technical Skills:Hands on in OpenShift environment set up and Kafka environments Understanding in scripting languages and automation tools e.g Java, Cucumber, UFT, Linux shell scripting Strong understanding of CI/CD pipelines and tools (e.g., Jenkins, GitLab. ADS).Familiarity with monitoring and logging tools (e.g. ...

value realized by automation Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts and advanced applied experience Proficiency in Java development with J2EE server technologies (Web Services, Spring, ORM frameworks, XML, Enterprise Java Beans, JMS) Working knowledge of CI/CD and build tooling (such ...

technology organization and discuss opportunities for improvement to existing and future technology solutions. Design, develop, and maintain backend services, APIs, and microservices using Java and Spring Boot. Develop, enhance, and support Microsoft Outlook add-ins leveraging Office.js and related Microsoft 365 technologies. Build and maintain event-driven architectures using Microsoft … competitive environment and other disciplines. Bachelor's degree in Computer Science, Information Technology, or a related discipline, or equivalent practical experience. Strong proficiency in Java, Spring Boot, Microservices, Kafka, and relational databases. Proven experience developing and maintaining Microsoft Outlook add-ins (Office.js, Microsoft 365 integrations, Outlook APIs). Experience building ...

technology organization and discuss opportunities for improvement to existing and future technology solutions. Design, develop, and maintain backend services, APIs, and microservices using Java and Spring Boot. Develop, enhance, and support Microsoft Outlook add-ins leveraging Office.js and related Microsoft 365 technologies. Build and maintain event-driven architectures using Microsoft … competitive environment and other disciplines. Bachelor's degree in Computer Science, Information Technology, or a related discipline, or equivalent practical experience. Strong proficiency in Java, Spring Boot, Microservices, Kafka, and relational databases. Proven experience developing and maintaining Microsoft Outlook add-ins (Office.js, Microsoft 365 integrations, Outlook APIs). Experience building ...

payments and merchant experiencesLead the development of resilient, secure, and compliant services for high-volume transaction processingShape and drive adoption of modern backend practices (Java 17/21, Spring Boot 3, Kotlin, clean architecture)Architect event-driven systems (Kafka) that enable scalable, decoupled domains across teamsDefine and enforce standards … operating distributed, production-grade backend systemsProven track record operating at Senior Staff or Principal level, driving architecture across multiple teams or domainsDeep expertise in Java (17+), Spring Boot, and modern backend engineering practicesStrong experience with microservices, event-driven architecture, and asynchronous systemsExperience building systems for high throughput, low latency ...

have experience with cloud-based data storage, such as: Relational Databases, NoSQL Stores, data caches, etchave experience writing strongly-typed languages in the Java family (Java, Scala, Kotlin)Tip for candidates: If you’re unsure whether to apply... do. We know great people don't always tick every box. Would ...

bring: Extensive experience as a Senior QE SDET Engineer or Senior DeveloperHas breadth of experience across different tech-stacks, such as JavaScript/TypeScript, Java, C#, or Python, amongst othersExperienced in RAG Weaviate, OpenAI, Agents, MCP, Langchain, Prompt Engineering, Browser-Use, and DjangoExperienced building AI Tools, Agents and Agentic workflows … background as a senior DeveloperExperienced in building a strategy covering all aspects of the SDLC process, development, automation, CI, and metricsHands on using Spring Java, Angular, Python, GitLab CI/CD, Junit, Jest, Cucumber, Bash, Gatling et alExperienced in helping teams evolve an Agile ‘Shift Left’ way of workingExperience ...

written in Solidity or equivalent languages, ensuring security, correctness, and gas efficiency Integrate Web3 libraries and SDKs (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services Implement asynchronous, event-driven architectures to handle on-chain events, transaction lifecycle management, and blockchain state synchronization Collaborate with … Proven hands-on experience in Web3 and blockchain application development, including smart contract development and blockchain protocol integration Solid experience with backend development using Java/Spring, Node.js, or equivalent enterprise frameworks Proficiency in Solidity smart contract development, including testing frameworks (Hardhat, Foundry, Truffle) and security best practices Hands ...

platform infrastructure, data services, and developer tooling AI-assisted analytics, search, and generative AI Technologies used vary by team and include: Languages such as Java, C#, F#, C++, Python, and TypeScript Frameworks, platforms, and runtimes such as .NET, Eclipse RCP/SWT, JUnit, Angular, React, and Node.js Cloud platforms including … Science, Software Engineering, or a related discipline, or equivalent experience 5–10 years of software development experience Strong proficiency in at least one of: Java, C#/F# (.NET), C++, Python, or TypeScript (React/Angular/Node.js) Experience owning the full development cycle: requirements analysis, design, implementation, testing ...