Senior Platform Engineer – Developer Platform / Internal Tooling
London – Hybrid (Very flexible, weekly, fortnightly or even x1 day per Month)
Here at Burns Sheehan, we’re working with a high-growth FinTech that uses data and technology to modernise one of the biggest but most outdated areas of global finance. Their platform is used by some of the world’s leading investment banks, asset managers, and law firms, and with recent funding they’re continuing their tech expansion.
They’re now looking for a Senior Platform Engineer to join their growing team, focused on building a world-class developer experience and enabling a strong DevOps culture across engineering. You’ll be developing tools, infrastructure, and the Internal Developer Platform that help engineers ship faster, more securely, and with confidence.
Base pay range
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What You’ll Be Doing:
- Designing and building reusable IaC modules (Terraform/Serverless)
- Managing AWS multi-account environments and improving cloud security best practices
- Building and maintaining CI/CD templates to enable rapid, reliable deployments
- Developing a developer portal (e.g. Backstage) and internal tooling to support engineering productivity
- Supporting observability initiatives and contributing to reliability metrics
- Working on internal open‑source projects that enhance the developer experience
What They’re Looking For:
- Strong experience with AWS (ECS, EC2, Lambda, VPC, IAM, Route53, CloudFront, S3, RDS)
- Solid understanding of Terraform and Infrastructure as Code principles
- Hands‑on experience with CI/CD systems and release automation
- Comfortable working with Python, Bash, or Go
- Monitoring and alerting tools (Prometheus, CloudWatch, Grafana, OpenTelemetry, etc.)
- Passionate about developer tooling, DevOps culture, and improving engineering workflows
- Any experience in FinTech or with public APIs would be a bonus
Seniority level
Mid‑Senior level
Employment type
Full‑time
Job function
Information Technology
Sound interesting? Feel free to reach‑out and we will try to get back to you in due time.
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