Senior Engineer, Infrastructure Platform

About the role

Fin is seeking a Senior Engineer to join the Infra-Platform team within our Infraservices Group. You will build the foundational systems and automation that allow our product teams to ship code with high velocity and reliability. This role focuses on using AI-native workflows to eliminate manual toil and evolve our core infrastructure architecture. You will be instrumental in transitioning our systems toward autonomous operations where infrastructure largely manages itself. The work you do will directly influence the scalability and resilience that powers our business-critical products. You will partner closely with security, product, and platform teams to align technical strategies with company goals. Your contributions will ensure that our infrastructure is robust, maintainable, and future-proof.

Key facts

What you'll do

• Architect and deploy automation frameworks that replace manual, repetitive infrastructure tasks across cloud and on-prem environments.
• Design and execute major architectural updates that enable the platform to scale efficiently under increasing load and complexity.
• Conduct deep-dive incident investigations to identify root causes and implement preventative fixes that reduce future risk.
• Trace and resolve issues across the entire technology stack, from low-level infrastructure components to high-level application behavior.
• Build and maintain self-service platforms for security, compute orchestration, and cost management that empower product engineers to move independently.
• Drive complex technical projects from initial requirements gathering through design, implementation, and stable production deployment.
• Integrate AI coding agents into daily infrastructure workflows to enhance efficiency, improve system safety, and accelerate delivery cycles.
• Establish observability standards and telemetry practices that provide clear insight into system health and performance trends.
• Collaborate with cross-functional teams to define infrastructure requirements that support product innovation and reliability goals.
• Mentor junior engineers by providing guidance on best practices for infrastructure as code, cloud patterns, and operational excellence.

Requirements

• Bring multiple years of professional experience building and operating distributed systems in cloud environments, with a strong preference for AWS expertise.
• Demonstrate a solid background in modern programming languages and a mindset that treats infrastructure as a software engineering discipline.
• Show deep understanding of system reliability principles, performance metrics, and structured approaches to failure analysis and remediation.
• Prove a history of leading cross-team technical initiatives independently over extended periods without needing constant supervision.
• Highlight experience using AI tools to automate operational tasks, generate code, and support incident response activities effectively.
• Exhibit excellent written communication skills, particularly in producing clear technical documentation and thorough incident reviews.
• Have a track record of working comfortably in fast-paced environments where priorities can shift based on business needs.
• Commit to following security and compliance standards rigorously to ensure that infrastructure changes do not introduce risk.

Nice to have

• Hands-on experience with infrastructure-as-code practices using tools such as Terraform, CloudFormation, or Pulumi.

Skills & tools

• AWS
• Infrastructure-as-code
• AI coding agents
• Distributed systems architecture
• Observability and telemetry tools

Practical notes

• The work location for this role is Dublin, Ireland, with a hybrid schedule that requires presence in the office for three days each week.
• This is a full-time engagement with standard working hours as defined by company policy and local labor regulations.
• Compensation includes a competitive base salary, equity participation, and regular performance-based reviews that can influence future growth.
• The benefits package features a pension scheme with up to 4% company matching, comprehensive health and dental insurance for employees and their dependents, and life assurance coverage.
• Additional perks include daily catered lunches, a cycle-to-work scheme designed to promote healthy commuting, and flexible paid time off to support work-life balance.
• Parental support is provided through paid maternity leave and 6 weeks of paternity leave to help employees manage major life events.
• All employees are granted access to advanced AI tools such as Claude Code to assist with development, automation, and problem-solving tasks.
• Travel requirements are minimal, though occasional movement between offices may be necessary for team collaboration or company events.
• This position is open to eligible candidates who meet the outlined requirements and can contribute to an inclusive, high-performance engineering culture.