Senior Software Engineer (EU)

Marathon Talent

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Buenos Aires, Buenos Aires, Argentina on site Until 9/15/2026 5+ years exp First posted July 17, 2026 Last posted July 17, 2026
Job description

We’re looking for a Senior Software Engineer who can design highly scalable systems and services, integrate our systems into various third-party platforms, promote a culture of technical learning, and push teammates to grow into excellent engineers.

What you’ll work on

  • Design, build, and maintain APIs, services, and systems across R2
  • Own the product and solution architecture
  • Ensure best practices and uptime
  • Contribute to company-wide standards and reliability
  • Ensure delivery of mission-critical systems with tight deadlines
  • Increase the quality of the delivered code, towards a zero-bug policy
  • Research and invest in new tooling to improve services
  • Think about security throughout everything you do
  • Promote a culture that fosters learning, growth, risk taking, and accountability
  • Work with other teams to figure out how to build tools to make them more productive
About this role

Summary

Design and maintain scalable systems, integrate platforms, and promote engineering best practices.

Job title

Senior Software Engineer (EU)

Experience level

senior level

Minimum experience

5+ years exp

Industry

software

Location requirements

Buenos Aires, Argentina; remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

APIssystem designarchitecturesecurityreliability

Preferred skills

None specified

Specializations

APIssystems designarchitecturesecurityreliability
Locations

Structured locations inferred from the posting.

Buenos Aires, Argentina

On-site City