Senior Java Developer

Project description

You'll be working in the Investment Bank Technology CTO Engineering team based in London and Kraków. Our role is to provide IB Technology teams with oversight, support, and solutions to implement a strategic architecture on public cloud services. We help by sharing the architecture vision, working with teams on their solution design, creating code samples and documentation, and ensuring that the developer experience of migrating to the cloud within our organization is easy and enticing. Your role: You'll be working on one of the most ambitious and critical technology projects: to modernise and migrate a large proportion of over 1000 applications to public cloud infrastructure and managed services. You'll collaborate with global IT teams across the Investment Bank to help them on their cloud migration journey and engineer common, reusable solutions that can be used to accelerate cloud adoption and application modernisation across the organisation. We're looking for someone who'll be able to: • Work collaboratively across the organisation • Solve challenging problems in an elegant but pragmatic way • Write high-quality, reusable code and adhere to coding standards • Write professional, clear, and comprehensive documentation • Apply best development and DevOps practices and effectively utilize technologies

Responsibilities

• Create, maintain, evolve, and communicate architectural standards, guardrails, reference architectures and best practices, aligned with both IB and GCTO strategy
• Own and run key architectural governance processes within the IB CTO function, ensuring proactive architectural control across the division.
• GCTO point of contact for the Investment Bank, representing IB CTO in group-led initiatives and ensuring clear, relevant communication flows
• Triage incoming IB and GCTO work, determine impact, and coordinate responses, shielding the core architecture team by absorbing operational, data-gathering, and coordination tasks.
• Support IB engineering teams with early engagement on new initiatives, ensuring architectural considerations are addressed from ideation to delivery You are:
• focused on quality
• an excellent communicator
• aware of ongoing technology trends and know how to pragmatically leverage their benefits
• a quick learner
• comfortable working independently, as well as in a team-oriented, collaborative environment
• fluent in English

SKILLS

Must have

• Solid background in development using Java (at least 8 years)
• Proficiency in AI-augmented development tools such as GitHub Copilot or Claude Code
• CI/CD including tools such as Maven, Gradle, Jenkins, TeamCity, GitLab etc.
• Containers and container orchestration using Docker, Kubernetes, and Helm
• Microsoft Azure or other major cloud platforms
• Infrastructure-as-code, using tools such as Terraform, ARM, or CloudFormation
• Scripting languages including Windows PowerShell, Bash etc.
• GitLab or similar, contributing to open source projects
• Agile development practices (Scrum, Kanban)
• DevOps practices and the value of automation

Nice to have

• Experience with JavaScript, Python, Go • Experience working in geographically distributed teams