501 to 525 of 617 Permanent Java Jobs

We are hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant, sub-40s latency pipelines, shaping architecture decisions and solving complex technical challenges … that require first principles thinking. What You'll Be Working On Designing and optimising high-performance Java services with lock-free, zero-allocation and low-GC approaches. Hardware-aware optimisation including CPU architecture, cache behaviour, kernel tuning, core pinning and memory layouts . Building and improving ultra-low-latency messaging pipelines (Multicast, TCP, IPC). Working directly with senior engineering … leadership on system architecture and performance strategy. Driving technical direction and mentoring senior members of the team. What We're Looking For 10+ years professional engineering experience with core Java in latency-sensitive environments. Strong knowledge of: Ring buffers Off-heap/zero-allocation techniques IPC and high-performance networking Linux kernel optimisation Domain experience in eTrading, market-making, sports More ❯

We are hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant, sub-40μs latency pipelines, shaping architecture decisions and solving complex technical challenges … that require first principles thinking. What You'll Be Working On Designing and optimising high-performance Java services with lock-free, zero-allocation and low-GC approaches. Hardware-aware optimisation including CPU architecture, cache behaviour, kernel tuning, core pinning and memory layouts . Building and improving ultra-low-latency messaging pipelines (Multicast, TCP, IPC). Working directly with senior engineering … leadership on system architecture and performance strategy. Driving technical direction and mentoring senior members of the team. What We're Looking For 10+ years professional engineering experience with core Java in latency-sensitive environments. Strong knowledge of: Ring buffers Off-heap/zero-allocation techniques IPC and high-performance networking Linux kernel optimisation Domain experience in eTrading, market-making, sports More ❯

well-structured, high-performing teams to deliver on a clear, strategic roadmap over the coming years. What youll be working on: Mostly automation-focused development using a solid stack: Java, JavaScript, SQL , and AWS . Youll also be working with TDD , JUnit , and other testing tools as part of the workflow. The details: Hybrid working (23 days in the office … bonus Initial focus: 12 years dedicated to automation, with opportunities to move into other areas of the business as you grow This is ideal for someone with some commercial Java experience who wants to deepen their skills while contributing to meaningful, long-term projects. Apply now below More ❯

team and building relationships with stakeholders. Technical Understanding: Ability to contribute to the definition of requirements and understand the technical implications of your work. Tech Stack Strong experience in Java Working level Python Understanding of DB2 and Postgres Databases Experience working on AWS platforms Experience working on React and front-end technologies If you're interested in the above, apply More ❯

Low Latency Java Developer - FX options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to join their FX Options technology team. You will play a hands-on role in modernising and optimising the trading platform, delivering … ultra-low latency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIX protocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business requirements into high-performance solutions Take ownership of the end-to-end performance of the platform … and provide technical leadership within the development team Collaborate with cross-functional teams on architecture, design, and deployment of trading solutions Required Skills 5-10 years' experience as a Java Developer in front-office or trading environments Strong Java Core, multi-threading, and concurrent programming experience Proven experience with low latency system design and optimisation Hands-on experience with FIX More ❯

Sanderson are currently recruiting for a number of Java/Full Stack Developers with their clients across the United Kingdom. Skill Requirements and Tech Stack: 5+ years' experience building microservices with Java/Spring Boot, using modern Java (i.e. Java21) Experience of JavaScript libraries such as React (preferable) and HTML Working on AWS cloud technologies Familiarity with database management tools More ❯

Java Developer – Automation Engineering (Short-Term Testing, Long-Term Dev)£55k–£70k | UK-based | Hybrid | Full-timeA fast-moving tech team is looking for a solid Java developer to join them in a unique automation-focused role. You’ll be helping convert manual test cases into automated ones, building out the testing framework, and solving real technical challenges. It’s … a long-term testing role, the goal is to transition back into full development once the automation side is up and running. What you’ll be doing: Writing clean Java code to automate existing manual test cases Tackling technical challenges in a fast-paced environment Working closely with developers to raise the automation bar Eventually moving back into the core … development team! What we’re looking for: 3+ years of Java experience No testing experience required, just a willingness to learn Strong technical problem-solving skills Someone who’s happy to own their work and grow with the team Why this role? It’s a great opportunity for a developer who’s curious about automation and wants to make a More ❯

Job Description Job Title: eFX Java Developer Location: London Company: Talan Type: [Full-time] About Talan Talan is a global consulting group specialising in business and IT transformation, with a strong presence in financial markets, digital innovation, and data-driven technologies. We partner with leading financial institutions to deliver innovative solutions that drive performance and resilience. We are looking for … a highly skilled eFX Java Developer with a strong background in front-office systems, low-latency trading platforms, and real-time market connectivity to join our team. Key Responsibilities Design, develop, and maintain low-latency Java applications supporting electronic FX (eFX) trading systems. Collaborate with front-office teams to build and enhance connectivity, market data, pricing, and hedging components. Implement … Solace message bus troubleshooting. Stay up to date with emerging technologies in FX trading, crypto markets, and distributed systems. Key Skills & Experience Essential: Strong hands-on experience with Core Java, including multithreading, concurrency, and low-latency techniques. Proven front-office experience in FX or e-trading environments. Experience in connectivity, market data, core pricing, and hedging strategies. Deep understanding of More ❯

Job Title: Junior Application Software Engineer - Java + TypeScript + React Location: Manchester (Hybrid - 3 days in office) Salary: £35,000 - £42,000 per year About the Role: We're looking for a motivated Junior Application Software Engineer to join a collaborative software team in Manchester. This role is perfect for someone with a solid foundation in Java, TypeScript, and … React , looking to grow their career and gain exposure to full-stack development, cloud technologies, and agile delivery. Key Responsibilities: Develop and maintain web applications using Java, TypeScript, and React Assist in the design and implementation of software solutions in a collaborative team environment Write clean, efficient, and well-tested code Participate in code reviews, testing, and troubleshooting Collaborate with … senior engineers to learn and adopt best practices Contribute to continuous improvement of development processes Skills & Experience: Must Have: Basic experience with Java Experience with TypeScript Experience with React Understanding of web development fundamentals (HTML, CSS, JS) Eager to learn and collaborate in a team environment Nice to Have: Exposure to cloud technologies (AWS/Azure) Knowledge of microservices or More ❯

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including no periods of 30 consecutive days or more spent outside of the UK, and More ❯

QA Automation Engineer Java Shropshire (3 days per week) £50-80K + Benefits About: Join a growing team as a QA Automation Engineer working on innovative projects at the forefront of digital transformation. The Digital Transformation Centre specialises in modernising legacy systems into cloud-native solutions using Java and open-source technologies. They embrace agile and DevOps principles to … deliver high-quality applications and platforms. The tech stack includes Java, microservices, infrastructure-as-code, NoSQL databases, containerisation, JEE, Oracle, and cloud platforms like AWS and Azure. Please note that you MUST be eligible for SC clearance and be able and willing to be onsite in Shropshire 3 days per week. Your Role: Reviewing and assessing requirements to ensure they More ❯

generation of their platform and guide its technical evolution. This is a senior strategic role where you'll define direction, oversee architecture, and drive technical excellence across a modern Java and AWS environment. You'll provide hands-on leadership when required but your focus will be steering product development, influencing engineering standards, and ensuring solutions are scalable, secure and fit … for purpose. What you'll do Lead the end-to-end development lifecycle from design through to delivery Define technical direction and architecture across Java and AWS services Drive best practice across TDD, CI/CD, and scalable API design Collaborate with Product, DevOps and QA teams to align technical delivery with business goals Guide technical change and continuous improvement … initiatives Support and mentor engineers, fostering a high-performance culture What you'll bring Strong experience in backend software development with Java and AWS A proven track record in leading product development or technical strategy Expertise in Spring Boot, REST APIs and microservice architecture Familiarity with containerised environments using Docker and modern CI/CD tools Strong understanding of TDD More ❯

real-time applications that support trading workflows. Key Responsibilities Design and develop real-time, high-performance microservices to support Rates and Credit trading workflows Deliver full-stack solutions across Java, React, and TypeScript Collaborate with business stakeholders to understand trading needs and deliver impactful features Contribute to the design of scalable, event-driven, microservices-based architecture Work closely with other … engineers to ensure operational efficiency, maintainability, and performance Key Requirements Strong core Java skills, including OOP, concurrency, and collections Experience with distributed systems and event-driven architectures Background in designing and building RESTful and event-driven APIs Familiarity with SQL databases and containerisation tools such as Docker and Kubernetes Awareness of front-end technologies; experience with React and TypeScript is More ❯

AI Engineer with either Python Java or C++ is required by a large Global Law Firm Main Responsibilities: Design, develop, and deploy AI and machine learning models. Analyse large datasets to extract meaningful insights and patterns. Collaborate with cross-functional teams to integrate AI solutions into products and services. Optimize AI models for performance, scalability, and accuracy. Monitor and maintain … systems in production environments. Stay updated with the latest AI research and technologies. Document AI workflows, models, and system architecture. Skills & Qualifications Proficiency in programming languages such as Python, Java, or C++. Strong understanding of machine learning frameworks (eg, PyTorch (preferred), TensorFlow, Scikit-learn). Experience with data processing tools and cloud platforms (eg, Azure, GCP, AWS). Knowledge of More ❯

technical team - providing guidance to your colleagues in the project DevSecOps or SRE 'toolkit' and mindset CI/CD and Terraform knowledge Coding/scripting skills (PowerShell, Python, C#, Java, ) Broad infrastructure and security knowledge Knowledge of container technologies (Kubernetes, Docker, container related services) Fluent communication skills in both German and English Responsibilities: As a Senior Azure Cloud Architect, you … prepare for a migration/modernization Automating cloud environments with CI/CD pipelines and infrastructure as code Technologies: Architect Azure C# CI/CD Cloud DevSecOps Docker IBM Java Kubernetes PowerShell Python Security Terraform Web More: Nordcloud, an IBM company, is a European leader in cloud advisory, implementation, application development, managed services, and training. We are triple-certified across More ❯

Lambda) Infrastructure as Code: Terraform Containerisation & Orchestration: Docker, Kubernetes (EKS), Helm Configuration Management: Ansible Monitoring & Observability: Grafana, Prometheus CI/CD: GitHub Actions Automation & Scripting: Python, Bash, Go or Java What We’re Looking For Proven experience running AWS cloud infrastructure in a production or regulated (financial) environment. Hands-on experience managing Kubernetes clusters (preferably EKS). Strong understanding of … stacks such as Prometheus and Grafana. Experience building and maintaining CI/CD pipelines (GitHub Actions or similar). Strong scripting or automation skills using Python, Bash, Go or Java . A collaborative mindset — comfortable working alongside developers, product teams, and security to ensure performance, reliability, and compliance. We’re open to Platform Engineers who may not meet every requirement More ❯

Clearance for which the US Government requires US Citizenship. Ability to obtain Secret US Security clearance (Post-Start). Required Qualifications (Required Skills/Experience): Experience with C, C++, Java, Ada, and/or Python 2 plus years' experience working in a project where various software development methodologies are being utilizing Preferred Qualifications (Desired Skills/Experience): Bachelor of Science … code reviews and automated DevOps processes/tools Experience using team collaboration tools including Git, Bitbucket, JIRA, and Confluence Experience in software development using languages such as C, C++, Java, Ada, and/or Python Drug Free Workplace: Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP More ❯

Clearance for which the US Government requires US Citizenship. Ability to obtain Secret US Security clearance (Post-Start). Required Qualifications (Required Skills/Experience): Experience with C, C++, Java, Ada, and/or Python 2 plus years’ experience working in a project where various software development methodologies are being utilizing Preferred Qualifications (Desired Skills/Experience): Bachelor of Science … code reviews and automated DevOps processes/tools Experience using team collaboration tools including Git, Bitbucket, JIRA, and Confluence Experience in software development using languages such as C, C++, Java, Ada, and/or Python Drug Free Workplace: Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP More ❯

Can you lead on Automation and influence technology decisions? We want you to join our team within the Aerospace Defence and Security Sector and combine software engineering and operations expertise, design an automation strategy, automate tasks, observe system health and More ❯

Date Posted: Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description. 2025-11-04 Country: United States of America Location: MA801: Marlborough More ❯

Date Posted: Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description. 2025-11-04 Country: United States of America Location: MA801: Marlborough More ❯

Date Posted: Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description. 2025-11-04 Country: United States of America Location: MA801: Marlborough More ❯

Date Posted: Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description. 2025-11-04 Country: United States of America Location: MA801: Marlborough More ❯

Date Posted: Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description. 2025-11-04 Country: United States of America Location: MA801: Marlborough More ❯

Date Posted: Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description. 2025-11-04 Country: United States of America Location: MA801: Marlborough More ❯