Senior Platform Engineer Dev Ex
Senior Platform Engineer - Developer Experience
Location: Office based in Madrid
Contract Type: Freelance with potential to convert to permanent
Our client is a global fintech scale-up on a mission to simplify international trade and finance for businesses around the world. With 1,700+ employees across 38 offices in over 25 countries, we deliver innovative solutions in international payments, FX risk management, trade finance, and more. We are now transitioning from a sales-led to a product-led company - and the Developer Experience team is at the heart of this transformation.
About the Role
We're looking for a hands-on Staff/Senior Platform Engineer who is passionate about Developer Experience (DevEx). This is not a typical infrastructure role, it's a strategic, high-impact position focused on enabling developers to ship faster, safer, and happier.
You'll work closely with a globally distributed development team (Spain, UK, and remote), directly supporting the acceleration of our platform transformation into a PaaS model. Your mission will be to define, mentor, and lead on best practices in CI/CD, Kubernetes, and self-service tooling, and shape the "golden path" that all developers follow.
Day to day
* Lead by example as a staff-level engineer, mentoring and supporting a team of 5+ developers.
* Identify bottlenecks in the software delivery process and design practical, scalable solutions.
* Build a model roadmap for DevEx and create clear metrics for measuring success (e.g., time from idea to production, developer happiness).
* Design and implement self-service tooling to reduce friction and cognitive load for engineers.
* Develop and maintain robust CI/CD pipelines (GitHub Actions, previously Jenkins).
* Help standardize Kubernetes-based deployment patterns, including ArgoCD and service mesh.
* Translate business goals into technical strategy and turn pain points into opportunities for improvement.
* Collaborate across Engineering and Platform teams to deliver high-leverage outcomes.
* Support our shift to a platform-as-a-product mindset and improve competitiveness through DevEx.
Desired experience
* Broad engineering experience, ideally with a background in software development.
* Deep expertise in DevEx and platform strategy, not just infrastructure or operations.
* Hands-on experience with AWS, CI/CD tooling (especially GitHub Actions), and Kubernetes.
* Proven ability to create self-service platforms and developer-first workflows.
* Strategic mindset - you know what "good" looks like in a modern engineering org, and how to get there.
* Experience with observability and performance monitoring (e.g., Prometheus, Grafana, Datadog) is a plus.
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