126 to 150 of 151 Contract Java Jobs

Senior Performance Test engineer JMeter/Java Contract. My client a leading global name is in urgent need of a talented and experienced Senior Performance Test engineer to join their group on a contract basis for 12 months with view for another 12 months. My client seeking a Senior Software … Engineer with a focus on Performance Testing, to help raise quality, reliability, and release confidence across distributed Java-based platforms. You will design and evolve modern test automation approaches and frameworks, partner closely with engineers/SRE/product to shift quality left, and ensure we validate ...

transformation initiatives Your responsibilities: Design, develop, and maintain HCL Commerce/WebSphere Commerce Suite components and extensions. Build and enhance Back End services using Java, J2EE, Spring/Spring Boot, and REST APIs Ensure solutions meet scalability, performance, availability, and security standards Diagnose and resolve complex issues across application, integration … rollbacks Your Profile Essential skills/knowledge/experience: Strong hands - on experience with HCL Commerce/IBM WebSphere Commerce architecture Proficiency in Java, J2EE, Graph and RESTful APIs Experience with Spring/Spring Boot and Back End service development Solid understanding of relational databases especially Oracle Experience and knowledge ...

automatically verify a solution to a software engineering task Work occasionally with other languages/frameworks including JavaScript (including ReactJS), C/C++, Java, Rust, and Go Technologies: AI API Backend Java JavaScript Python Rust More: - Job title: Remote Senior Python Engineer - Company: Turing - Tech stack: Python, JavaScript, Java (additional … work may involve ReactJS, C/C++, Java, Rust, Go) - Location address: 548 Market Street, PMB 18282, San Francisco, United States - Remote: fully home office/remote work; flexible work time - Salary: 200 - 300 USD per HOUR - Category: Python Developer/Engineer - Benefits & perks: Fully home office/remote work ...

Role: Senior Java Developer Location: Manchester/Leeds 60% Hybrid Role Type: 12 months Salary: Depending on experience Role Overview: We are seeking an experienced Java Developer to join a high-profile digital transformation programme, delivering innovative and scalable services that impact millions of citizens click apply for full ...

make corrections across the full stack (Python for backend/ML workflows; JavaScript: React, Node.js for frontend/API; plus C/C++, Java, Rust, Go) Evaluate and refine AI-generated code for efficiency, scalability, and reliability across backend and frontend contexts Collaborate with cross-functional teams to enhance enterprise … model capabilities on them Design verification mechanisms that can automatically verify a solution to a software engineering task Technologies: AI API Backend FastAPI Frontend Java JavaScript Python React Rust NodeJS More: - Role: Remote Senior JavaScript/React Engineer (also described as a Java engineer) - Salary: 200 - 300 USD per HOUR ...

Java Data Engineer 6-Month Contract (Possible Extension) Inside IR35 Hybrid London (3 days) I have been engaged my client to bring in a Java Data engineer to work on a Big Data Project in the finance sector. Required Experience: Java Big Data experience On-premises cluster experience Databases Kubernetes ...

lifecycle management. * Create and maintain CI/CD pipelines using GitLab. * Support the containerisation and deployment of applications. * Work closely with engineering teams delivering Java-based microservices. * Implement and maintain monitoring, logging and observability solutions. * Troubleshoot platform and deployment issues across multiple environments. Essential Skills * Kubernetes * Helm (strong commercial experience … required) * AWS * GitLab CI/CD Pipelines * Containerisation (Docker/Kubernetes) * Microservices architecture and deployment * Observability, monitoring and logging * Experience supporting engineering teams delivering Java applications Desirable Skills * MongoDB * Terraform * Public Sector or Government experience ...

Netherlands, Italy, Germany, ) Responsibilities: Curate code examples, build solutions, and correct code for AI model training in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go Evaluate and refine AI-generated code to ensure efficiency, scalability, and reliability Collaborate with cross-functional teams to enhance AI-driven coding … evaluate model capabilities on them Design verification mechanisms that can automatically verify a solution to a software engineering task Technologies: AI API C# FastAPI Java JavaScript LLM Python Rust More: - Role: Remote Software Developer (LLM Evaluation) - Salary: 200 - 300 USD per HOUR - Tech stack: Python, JavaScript, C++, C#, Java, FastAPI ...

days a week, with the opportunity to work 2 days from home. Responsibilities Develop high-quality, readable, scalable and easily maintained code, using Java and related technologies, meeting requirements and coding standards. Develop reusable patterns and encourage innovation that will enhance team velocity. Contribute to quality assurance by writing unit … true Agile environment, contributing to agile based estimating. Work with the scrum team to meet the sprint commitments Skill Set Essential Java Cloud Services development Unit testing Desirable DevSecOps awareness using tools such as Tekton, ArgoCD, SonarQube Red Hat Openshift container platform or Kubernetes Quarkus Framework Front end development using ...

Senior QA Lead (AWS, Java, React) - Contract £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, and confidently challenging stakeholders … 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-on support and challenge where ...

training, benchmarking, and advancing large language models by curating code examples, providing precise solutions, and making corrections in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS) Evaluate and refine AI-generated code with emphasis on systems-level correctness, performance, scalability, and reliability Collaborate closely with researchers … curate code examples, build solutions, correct code, evaluate AI-generated code, collaborate with teams, and develop verification agents Technologies: AI API Backend FastAPI Java JavaScript Python Rust More: - Job title: Remote Senior Backend Engineer (Python/FastAPI) - Salary: 200 - 300 USD per HOUR - Tech stack: FastAPI, Python, JavaScript, Java - Project ...

migration, particularly: o jBASE to Oracle conversion/migration approaches o Data validation and reconciliation across environments • Hands-on experience with TAFJ architecture and Java-based runtime stack • Strong technical understanding of: o COB processing o Local developments (L3 code) o Existing T24 data structures and file architecture • Experience troubleshooting … across infrastructure and middleware layers such as: o JBoss/application servers o IBM MQ/integration layers o TAFJ runtime & Java components • Ability to analyse and support: o Environment setup, deployments and configuration o Performance and stability issues across TAFC/TAFJ environments • Experience supporting upgrade activity ...

DevOps or infrastructure-focused positions. What you'll be doing Designing and building scalable Back End systems and APIs Writing production-grade code daily (Java, Node.js or Python) Contributing to a modern internal platform that supports a large engineering user base Solving complex technical problems through robust system design … with SRE, platform and DevOps teams to improve reliability, performance and developer experience What we're looking for Strong hands-on coding experience in Java, Node.js or Python Proven experience building APIs and distributed systems at scale Solid understanding of core Internet fundamentals (HTTP, DNS, TLS, networking) Experience delivering ...

Optimize GKE at Scale: Hands-on rightsizing of massive Kubernetes workloads and advanced autoscaler tuning. Profile JVM Services: Deep-dive into Java performance, interpret GC logs, and tune heap/thread configurations to maximize efficiency. Drive Financial Impact: Translate cloud pricing models and scheduling decisions into tangible, multi-million-dollar … . Deep Cloud & K8s expertise: Strong knowledge of GCP/GKE (or equivalent AWS/Azure depth with a willingness to switch). Strong Java/JVM skills: Ability to profile services, debug resource contention, and optimize runtime configurations. Proven results: You have personally implemented cost-optimization initiatives that delivered ...

Contract Front-End Software Tester (JavaScript | Java | Playwright | TypeScript) Start Date: ASAP, immediate starter Day Rate: £450-475 per day, Outside IR35 Length: 3 months inital Working Patterns: Fully-remote Other Information: 2 stage interview processOpus have partnered with a UK-based Critical Communications provider who's technology supports real … business outcomes. Skills (Tech Stack): • Front-end: Strong JavaScript testing experience , ideally bringing experience with Playwright for test automation • Back-end: Strong experience testing Java-based systems , including API and integration testing across backend services• TypeScript: Experience using TypeScript for scalable and maintainable test automation frameworks• Messaging Platforms: Experience testing ...

Role: Java Architect GCP & Kubernetes Location: Sheffield , UK Position Type: Contract Inside IR35 Remote work option Available: Hybrid( 2 Days onsite in a week) Job Description: Key Responsibilities: Analyze existing on-premises application architecture and identify migration requirements click apply for full job details ...

customer's office in Belfast Role Overview Required Experience Principal-level hands-on engineer delivering distributed, cloud-native systems Solid background in Go or Java services and service modernization Strong understanding of failure modes, scaling, and data durability Experience with Kafka or similar distributed/streaming platforms Solid background with … Kubernetes, especially stateful applications Strong hands-on experience with AWS (EKS, EBS, IAM, VPC) Nice to Have Experience adapting legacy or non-cloud-native Java apps to Kubernetes Multi-region or globally distributed system design Experience with service mesh and advanced networking patterns ...

Temenos T24/Transact Proven T24 Development experience TAFC to TAFJ migration experience Oracle Database experience jBASE to Oracle migration knowledge TAFJ architecture and Java runtime stack COB processing and batch troubleshooting T24 upgrade and migration programmes Local development (Version Routines, Enquiries and Templates) Code conversion, remediation and retrofitting Data … validation and reconciliation JBoss/Java Application Server experience IBM MQ and integration troubleshooting Environment build, deployment and configuration SIT, UAT and regression testing support Agile/Scrum delivery environments Confluence and SharePoint documentation Active SC Clearance highly desirable If you feel you have the right experience for this role ...

Software Engineer 12 month contract Can be based in Newcastle or Guildford Offering £60ph Inside IR35 Do you have experience with Java? Do you have experience in cloud services development? Do you want to work with an industry-leading company? If your answer to these is yes, then this could … enable you to grow within the company and industry. You will be involved in: Develop high-quality, readable, scalable, and easily maintained code, using Java and related technologies, meeting requirements and coding standards Develop reusable patterns and encourage innovation that will enhance team velocity Contribute to quality assurance by writing ...

TrueNorth are working with a growing tech consultancy on an urgent contract role looking for a Hands on Java Tech Lead (legacy migration): Key skills: Hands-on Tech Lead exp Java - old versions and new Cobol understanding AWS This is a report platform and modernisation program from a legacy Jarvis ...

Full-Stack Developer (React Native/Java) London Hybrid FinTech Outside IR35 React, React Native, Java, AWS £450-500/day A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into ...

IAM Technical SME 12-Month Contract (Inside IR35) Location: London, United Kingdom (Hybrid 4 days per week onsite) Contract Length: 12 months Start Date: ASAP Employment Type: Contract (Inside IR35) Role Overview We are seeking ...

WebSphere Liberty to support a major enterprise transformation programme. This role focuses on the engineering, configuration, optimisation and support of modern Java workloads running within CICS Liberty environments. Key Skills & Experience: Deep knowledge of CICS systems engineering and z/OS infrastructure CICS region setup, configuration and JVM server management … WebSphere Liberty administration and runtime configuration Java workload management, JVM tuning and performance optimisation RACF, TLS, certificates, keyrings and security integration REST/API enablement and modern integration practices Problem determination using dumps, traces, logs and SMF data Capacity planning, resilience, HA/DR and operational support Experience with ...

WebSphere Liberty to support a major enterprise transformation programme. This role focuses on the engineering, configuration, optimisation and support of modern Java workloads running within CICS Liberty environments. Key Skills & Experience: Deep knowledge of CICS systems engineering and z/OS infrastructure CICS region setup, configuration and JVM server management … WebSphere Liberty administration and runtime configuration Java workload management, JVM tuning and performance optimisation RACF, TLS, certificates, keyrings and security integration REST/API enablement and modern integration practices Problem determination using dumps, traces, logs and SMF data Capacity planning, resilience, HA/DR and operational support Experience with ...

Backend Engineer - Java/Spring Boot £450 - £500 Outside IR35/6 Month Contract London - Hybrid - 1/2 Days Onsite Our client are looking for a Backend Engineer to join a team building scalable, customer-facing digital products. The role focuses on developing Java/Spring Boot services within … highly available, high-traffic systems, collaborating closely with frontend engineers who are integrating booking and appointment functionality. Key Requirements: Strong commercial experience with Java and Spring Boot Experience integrating backend services with third-party platforms and APIs Demonstrable experience working on high-availability, high-traffic applications ...