Senior Platform Software Engineer - R&D Automation

The role

You will combine backend software engineering with AI expertise to build agentic systems. You will design AI agents, build reusable capabilities, and develop workflows across the software development lifecycle.

What you will do

• Design and build AI agents and the harness that power them using Python
• Build reusable agent capabilities, tools and integrations
• Develop agentic workflows across Engineering, Product, Design and Data
• Experiment rapidly with new AI capabilities from proof of concept to scalable adoption
• Design effective context, orchestration and verification mechanisms
• Measure how agents are used and the value they create
• Decide where AI can add value and where human judgment remains essential
• Collaborate with engineers, designers, product, and data teams

Required qualifications

• Extensive experience (~8 years) designing and building complex backend software systems
• Strong software engineering skills with production experience using Python
• Hands-on experience building AI agents, agentic workflows or platforms
• Strong understanding of modern agentic AI patterns, including context management, tool use, orchestration and evaluation/verification
• Experience integrating AI systems with APIs, MCPs, internal tools, codebases and other engineering systems
• Experience taking new technical ideas from experimentation or proof of concept into robust, scalable solutions
• A strong experimentation mindset
• Good understanding of distributed systems and the backend architecture required to operate AI-powered systems reliably
• Strong product thinking
• Strong communication skills
• Minimum C1 English level

Benefits

• An open, collaborative, dynamic, and diverse culture
• A generous monthly allowance for lessons on Preply.com
• Learning & Development budget
• Time off for your self-development
• A competitive financial package with equity
• Leave allowance
• Health insurance
• Attractive relocation package to join the Preply Barcelona Hub
• Access to free mental health support platforms
• Access to Gympass-partnered wellness and gym centers throughout Spain

About the company

Preply is a category-defining company that helps people discover tutors and craft personalised learning journeys. It has reached unicorn status with a $150M Series D.