1 to 25 of 89 Java Jobs in Portsmouth

Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript G.Digital have exclusively partnered with a growing FinTech who are looking for a Senior Java Engineer. 🔧 What You’ll Do: Design, develop, and maintain high-performance Java applications Collaborate with cross-functional teams to define, design, and ship new features … of applications Mentor junior developers and provide technical leadership Advocate for clean, scalable, and maintainable code ✅ What you will need: 5+ years of professional Java development experience Experience working with TypeScript to help with frontend bottlenecks Strong understanding of Spring/Spring Boot, REST APIs, and microservices architecture Solid knowledge … plus Excellent problem-solving skills and a team-first mindset 💡 Bonus Points For: Experience with Python 🚀 Package up to £75k remote working bonus Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript More ❯

Java Developer – Satellite Systems (Microservices, Agile, Spring Boot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready to work on technology that will launch the next generation of satellites? A leading global aerospace organisation is seeking a … skilled Java Developer to join a dynamic 7-person Scrum team, working on a critical software system for a new satellite platform. This is an exciting opportunity to contribute to cutting-edge space technology in a collaborative, agile environment. About the Role: You’ll be involved throughout the full software … development lifecycle, from design through to testing. The role will focus on building high-performance, secure, and scalable microservices using Java and Spring Boot, within a modern CI/CD DevOps setup. Key Responsibilities: Develop high-quality code as part of an Agile Scrum team Collaborate on the design and More ❯

Java Developer – Satellite Systems (Microservices, Agile, Spring Boot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready to work on technology that will launch the next generation of satellites? A leading global aerospace organisation is seeking a … skilled Java Developer to join a dynamic 7-person Scrum team, working on a critical software system for a new satellite platform. This is an exciting opportunity to contribute to cutting-edge space technology in a collaborative, agile environment. About the Role: You’ll be involved throughout the full software … development lifecycle, from design through to testing. The role will focus on building high-performance, secure, and scalable microservices using Java and Spring Boot, within a modern CI/CD DevOps setup. Key Responsibilities: Develop high-quality code as part of an Agile Scrum team Collaborate on the design and More ❯

areas of Build, Integration Suite , and SAP Datasphere . Expertise in professional code development, including hands-on experience with modern programming languages such as Java, Python, or JavaScript. Strong understanding of cloud-based platforms, particularly SAP BTP, and its components (Integration Suite, SAP Build, SAP Datasphere). Hands-on experience More ❯

to automate software delivery processes Supervisory Responsibilities: Technical mentoring of junior engineers Sprint board management Required Skills: Significant experience with embedded C/C++, Java, Python, and Rust Extensive expertise across Linux and Windows operating systems Strong understanding of electronics and systems design Hands-on experience with hardware-software integration More ❯

across Linux and Windows operating systems Exceptional understanding of electronics and systems design Experience in developing applications and embedded software in C/C++, Java, Python, and Rust Hands-on experience with infrastructure as code (IaC) tools: Helm Charts, Terraform, or Ansible Experience in full stack development using the Angular More ❯

or equivalent technical role. • Proven track record designing enterprise-level solutions across various platforms and technologies. • Proficiency in at least one programming language (e.g., Java, Python, C#). • Strong understanding of cloud platforms (AWS, Azure, or Google Cloud) and modern architectural approaches. • Hands-on experience with APIs, microservices, containerisation (e.g. More ❯

by example. Strong communication and stakeholder engagement skills. A degree in Computer Science, Engineering, Data Science, or a similar field. Tech Stack Highlights Python Java AWS (including Bedrock) Claude Terraform Docker MySQL GitHub & GitHub Actions Perks and Benefits Competitive salary package 25 days holiday (Not including bank holidays) Flexible remote More ❯

Backend Developer with DevOps experience, possessing the following: • Proven expertise (5+ years) in backend development with proficiency in PHP and experience in Python or Java as a plus. • Familiarity with PHP frameworks, preferably Laravel. • In-depth knowledge of relational databases (MySQL) and NoSQL systems (e.g., Elasticsearch). • Hands-on experience More ❯

with a code review process. Adaptability: Thrive in a dynamic startup setting, embracing agile methodologies and evolving priorities. Technical Skills Knowledgeable in Kotlin/Java, Jetpack Compose, and the Android SDK Cloud platforms/AWS/Azure/GCP Infrastructure as code (we use Pulumi) Relational databases such as MySQL More ❯

tools Clear communication skills with a proactive, team-oriented mindset Experience across the full software development lifecycle 💡 Bonus Points For Experience with C++ or Java Exposure to crypto, trading, or finance-related platforms Familiarity with Docker, Kubernetes, CI/CD (GitHub Actions, GitLab, Jenkins, etc.) Prior contributions to open-source More ❯

Skills Minimum of 6-9 years of experience with a history of hands on development in at least one of the following programming languages: Java, C#, C/C++, Python, Javascript, Ruby. Significant experience using and implementing Web Services (REST, SOAP, RPC, RMI) and monitoring APIs. Familiarity with network communication More ❯

Datadog, Prometheus, and Grafana Debugging complex systems using tools like strace, dtrace, and beyond Supporting a tech stack that includes Rust, Python, Go, C++, Java, and more 🧠 What You Bring: 5+ years’ experience in DevOps or Systems Engineering 3+ years in fast-moving startups (teams under 50 is a must More ❯

as Web IDE, Business Application Studio, and SAP Cloud SDK Solid understanding of cloud computing concepts and architectures Proficiency in programming languages such as Java, JavaScript, and Python Familiarity with RESTful APIs and microservices architecture Knowledge of DevOps practices and tools (e.g., Git, Jenkins, Docker) Strong problem-solving and analytical More ❯

to the delivery of a product used globally in fast-paced simulation environments What we’re looking for: Hands-on experience in C# (.NET), Java, C, C++, or other languages A background in software engineering and strong coding ability Familiarity with Azure DevOps, Git, and branching/version control best More ❯

working collaboratively with other teams and keeping up-to-date with emerging technical trends. Cloud experience (AWS or Azure), proficiency in PowerBI, Python/Java and comfort within an Agile environment will be sought. It would be beneficial but not essential to have knowledge of DevOps practices and CI/ More ❯

guides Participate in on-call rotation to ensure 24/7 coverage of global trading systems Use the latest technology stacks such as AWS, Java 17, Python 3, HDF5, Kubernetes, Kafka and Argo Candidate Requirements Years experience in financial technology support, preferably in electronic trading Strong understanding of market data More ❯

migration and the technical challenges and implications. Enterprise migration experience (1,000+ agent seats) Hands on experience with coding languages such as JavaScript, Python, Java, C++ is a plus Network infrastructure experience is a plus Experience with devops and CICD concepts including configuration-as-code, source code management (e.g. Github More ❯

and principles, and an automation-led testing approach. We are looking for experience in the following skills: Our core language for this role is Java (Spring/MVC), so experience is essential You have experience with Cloud Native technologies on at least one of the major cloud providers (AWS, Google More ❯

the following: Experience designing, improving and maintaining robust data pipelines Strong SQL programming skills. Knowledge of other programming languages such as Python, C++ and Java beneficial Possesses a strong understanding of Snowflake - beneficial Experience managing small teams of Data Engineers Strong experience working in a cloud environment and knowledge in More ❯

person meetings in Farnborough or Hammersmith . The contract is outside IR35 and runs through 2026. Key Requirements Strong software engineering experience, ideally in Java (Spring Boot) and Python Proven background in SRE practices, including platform reliability, monitoring, and incident response Ability to debug and resolve issues directly in production More ❯

the ability to lead remote or distributed teams. Comfortable working through ambiguity and solving complex problems with autonomy. Strong background in object-oriented programming (Java, C#, or C++). Experienced in mentoring new engineering leaders and building productive teams. Deep familiarity with Lean, Agile, or Kanban methodologies. Strategic thinker who More ❯

as a mentor and supervisor to junior colleagues. What you'll do: Utilise R and/or Python, and any of Perl, C, C++, Java, JavaScript or Scala for programming. Work with cloud platforms (predominantly GCP and AWS) Implement and manage data ingestion modules to download and manage publicly available More ❯

development life cycle Understanding of Agile methodologies (Scrum, Kanban) and engineering practices Will be a plus: At least 5 years of professional C++ or Java software development experience Aptitude and desire to independently learn new technologies Experience with any trading, crypto solutions development Experience with task management tools like Jira More ❯

Pension : Up to 10% Amazing Holiday Allowance : + bank holidays Birthday Off Private Healthcare Comprehensive Pension Plan 🌳 Tech Stack 🌳 Languages: Ruby-on-Rails, Java, Python, C#, VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD More ❯