Senior Software Engineer - Golang

Senior Software Engineer

Location: Hybrid – Central London (Office days: Monday & Thursday)

We’re seeking a Senior Software Engineer to join a high-performing team focused on developing data-driven solutions to combat financial crime. This role involves designing, building, and maintaining robust microservices that support fraud and anti-money laundering efforts for major financial institutions.

Key Responsibilities

• Design, develop, and maintain microservices (primarily in Golang) across the full product lifecycle
• Debug, enhance, and add features based on performance monitoring and customer needs
• Containerize services for deployment in Kubernetes using Helm charts
• Write high-coverage tests (unit, integration, contract, and end-to-end)
• Build and deploy using CI/CD pipelines and Git version control
• Participate in sprint planning, task estimation, code reviews, and peer development
• Ensure application reliability, performance, and scalability
• Collaborate with cross-functional teams, including analysts, developers, and product owners
• Contribute to architectural decisions and participate in demos and acceptance discussions

What We’re Looking For

• Strong production-level experience with Golang and/or Python, and proficiency in SQL
• Solid understanding of microservice architecture, containerization (Docker), and orchestration (Kubernetes)
• Experience with high-throughput, low-latency systems and handling large data volumes
• Familiarity with modern devops workflows: CI/CD, Git, infrastructure as code
• Comfortable working with streaming platforms, APIs, and in-memory/NoSQL databases
• Interest in or experience with integrating machine learning models into production systems
• Strong communication skills and ability to collaborate with engineers, data scientists, and stakeholders
• Passion for clean, testable, well-documented code