Senior Java Developer

About

We are seeking a highly experienced Senior Java Developer with 8+ years of hands‑on experience and 2+ years of experience in Generative AI / LLM‑based solutions to join our team in a permanent full‑time role based in Bedford (4 days per week onsite at client location). The ideal candidate will have strong expertise in Java backend development, Kubernetes, scalable system design, and API integrations, along with deep knowledge of prompt engineering and MCP protocol. This role requires experience building high‑availability, low‑latency systems and working in complex enterprise environments, preferably within Capital Markets or Compliance Surveillance platforms.

Responsibilities

• Design and document API integrations with third‑party vendor systems
• Develop data ingestion and processing pipelines (email, chat, audio)
• Collaborate with business, compliance, and audit teams
• Troubleshoot integration and performance issues
• Ensure security, scalability, and performance of applications
• Conduct performance testing and optimization
• Provide technical guidance and mentoring
• Support production systems (Level 2 support)

Requirements

• 8+ years of Java development experience
• 2+ years of experience with Generative AI / LLM solutions
• Strong expertise in Java (Streams, Collections, Multithreading, JVM)
• Hands‑on experience with Spring Boot, Spring Cloud, and JPA
• Experience designing scalable, high‑availability, low‑latency systems
• Strong API development experience (authentication, authorization, error handling)
• Experience with Kubernetes and containerized application deployment
• Familiarity with CI/CD and DevOps tools (e.g., Jenkins, GitHub, Ansible)
• Strong understanding of machine learning fundamentals and prompt engineering
• Experience with MCP protocol and building LLM‑based solutions

Nice to Have

• Capital Markets or Compliance Surveillance domain experience
• Experience with Kafka or JMS
• Exposure to Big Data platforms
• Knowledge of enterprise integration patterns

Skills

• DevOps
• GitHub
• Java
• Kubernetes
• Spring Boot

What You Can Expect

• Ownership culture: you are invited to be an owner from day 1 and help shape the company’s strategy and direction
• Opportunities to develop innovative solutions, build relationships with teammates and clients, and access global capabilities
• Support for career growth, health, and well‑being, with leaders who care about your development
• Commitment to diversity, inclusion, and belonging; accommodations are available for the recruitment process
• Competitive compensation range estimated at $65,000–$125,000 (subject to experience, skill set, and market)

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CGI is an equal‑opportunity employer.