IT & Software

Senior Platform Engineer

9fin

London · Greater London · United Kingdom

Overview

As a Platform Engineer at 9fin, you enable a seamless developer experience across engineering teams by building scalable infrastructure and DevOps tools. You will empower software engineers to ship quickly and securely, while upholding quality and reliability. Your work sits at the intersection of cloud infrastructure, automation, and observability, shaping how the platform supports global debt markets. This role offers high impact in a fast-growing fintech, with opportunities to influence tooling, security, and developer workflows.

Pay / Benefits
  • Competitive Salary
  • Equity
  • Pension with 7% employer contribution
  • Private Medical Insurance
  • Paid sick leave with income protection
  • Hybrid working model
Responsibilities
  • Design and implement infrastructure as code templates/modules to standardize projects
  • Manage multi-account AWS core infrastructure with security best practices
  • Create and optimize CI/CD templates to accelerate releases
  • Build a developer portal and service catalog for the engineering team
  • Contribute to observability, providing SLI/SLO metrics for balancing velocity and reliability
  • Develop internal/open source projects to elevate the developer experience
  • Collaborate on platform engineering initiatives to support fintech products
Key requirements
  • Good working knowledge of AWS services (ECS, EC2, Lambda, VPC, IAM, Route53, CloudFront, S3, RDS)
  • Experience with monitoring/logging solutions (OpenTelemetry, AWS CloudWatch, SigNoz is a bonus)
  • Basic SRE knowledge and incident management experience (eg. incident.io, Pagerduty)
  • Proven ability to build scalable CI/CD pipelines
  • Linux, Git, Docker; scripting in Python, Bash, or Go; proficient in at least one modern language
  • Experience defining Infrastructure as Code with Terraform
  • Familiarity with Agile development practices
  • Strong appetite for learning and developer experience
  • Interest in Platform Engineering and fintech is a plus
  • AWS ECS
  • AWS EC2
  • AWS Lambda
  • VPC
  • IAM
  • Route53

Reference: WJ-747_30180006

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