Staff Engineer Python React AI - Start-up

Client Server

Full-time Computer Occupations
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Location
Madrid, Community of Madrid, Spain
Posted
June 20, 2026

Job Description

Staff Engineer / Developer (Python React Full Stack) Madrid onsite to €110,000

Are you a technologist with a range of skills across the full stack?

You could be progressing your career in an impactful, hands-on Staff Engineer role for a tech start-up backed by a hugely profitable Private Equity firm in Madrid.

As a Staff Engineer you will take ownership of architecting, designing and developing new features and enhancements, as well as client bespoke applications. You'll be working across the full software development lifecycle using a range of technology with a focus on Python and React, picking up new things on the job.

You'll be hands-on with technology and will work closely with senior stakeholders on complex and interesting projects, including driving the use of AI within the company.

Location:

You'll join a small team in Madrid on a fulltime basis (in time with flexibility to work from home once a week).

About you:...