Senior Platform Engineer

Lemon.io; Madrid; Remote; EUR 70,000 - 110,000; Full time

Job summary

Lemon.io is seeking a Senior Platform Engineer to build and operate the infrastructure powering our client's machine learning platform. This is a hands-on role combining backend development, platform engineering, infrastructure automation, and cloud-native systems.

The ideal candidate has 3+ years Python, Kubernetes, Linux, bare metal provisioning, and AWS experience, owns problems end-to-end, and communicates clearly with clients in advanced English.

Qualifications

• 3+ years of commercial Python development experience.
• Experience with Kubernetes, Linux, and AWS.
• Experience with bare metal provisioning.
• Ability to own problems end-to-end and ship production solutions.
• Ability to quantify business impact with concrete results.
• Advanced English for client calls and presenting results.

Responsibilities

• Build and operate infrastructure for client ML platform.
• Develop backend services and platform tooling.
• Automate infrastructure and manage cloud-native systems.
• Ship production improvements and measure impact.

Skills

Python

Linux

Bare metal provisioning

End-to-end ownership

Business impact measurement

English communication

Kubernetes

Tools

Kubernetes

AWS

Job description

We help companies in the US and Europe hire experienced engineers, from funded startups to teams like Klarna, Retool, and Pinterest. We've been doing this since 2015, and more than 1,500 companies have hired engineers through us.

We're looking for a Senior Platform Engineer to help build and operate the infrastructure powering our client's machine learning platform. This is a hands-on engineering role combining backend development, platform engineering, infrastructure automation, and cloud-native systems.

Requirements for Platform Engineer:

• 3+ years of commercial experience with Python
• Experience with Kubernetes
• Experience with Linux
• Experience in Bare metal provisioning
• Experience with AWS
• You own problems end-to-end: you spot the issue, design and build the solution, and ship it to production
• You can show the business impact of your work with concrete results (e.g., faster processing, lower costs, more users, fewer incidents)
• Advanced English: you discuss business tasks, explain your decisions, raise issues early, and present yourself and your results well on client calls
• You work full-time remotely and deliver without supervision
• You onboard quickly and start shipping in your first weeks