2 of 2 Java Jobs in York

Job Description Our client, a mission-led consultancy , is looking for an experienced Principal Software Engineer (Java) to join their growing team. They deliver secure, modern software solutions to the UK Government and Defence sectors, enabling clients to build scalable systems and progressive web applications that drive real impact. This is a senior-level opportunity for a hands-on engineer … in agile environments , and is passionate about shaping engineering best practice while still contributing to the codebase. Key Responsibilities Lead the design, development, and testingof secure, scalable systems using Java with modern front-end frameworks (e.g., React) Architect and maintainAPIs, data pipelines, and cloud-native solutions(AWS, Azure, private cloud) Drive adoption ofDevOps practices CI/CD, containers, infrastructure-as … with stakeholders and clients toshape technical directionand ensure robust, user-focused solutions Contribute across thefull software development lifecycle, from discovery to production support Essential Skills & Experience Deep expertise in Java, with strong full-stack engineering skills Proven experienceleading teams or projectsat a senior/principal level Strong knowledge ofsystem architecture, cloud solutions, and API design Familiarity withDevOps tools and automation More ❯

feature pipelines-into scalable platform services. Bring a product mindset to platform engineering, ensuring solutions are aligned with customer and business goals. Provide thought leadership across the fullstack (React, Java, Python), promoting clean, efficient, and maintainable code. Identify and drive opportunities for innovation-whether in development tooling, performance optimization, or new platform features. Act as a mentor to engineers across … architectures, data lakes, and streaming pipelines. Strong experience integrating AI/ML models into production systems, including prompt engineering for LLMs. Polyglot development capability, with hands-on experience in Java, Python, and modern frontend frameworks such as React. Comfort working in cloud-agnostic and hybrid environments. Familiar with CI/CD pipelines, GitOps practices, and releasing at speed. Strong communication More ❯