Staff Software Engineer (Backend)

TL;DR

Staff Software Engineer (Backend): Shaping the technical direction of multiple teams, driving the design and evolution of large-scale distributed systems that serve millions of customers with an accent on resilient, secure, and flexible solutions that scale across products and geographies. Focus on mentoring engineers across teams and helping maintain a high technical bar organization-wide.

Location: Hybrid in Buenos Aires, Argentina, requiring office presence 2–3 times per week.

Company

Nu is one of the largest digital financial platforms in the world, with more than 127 million customers across Brazil, Mexico, and Colombia.

What you will do

• Work with large-scale distributed systems and understanding their broad architecture and trade-offs.
• Set technical direction for multiple teams, ensuring alignment with Business Areas and architecture strategies.
• Drive pragmatic innovation while ensuring resilient, secure, and flexible solutions that scale across products and geographies.
• Mentor engineers across teams and helping maintain a high technical bar organization-wide.
• Write, test, instrument, documenting, and maintaining high-quality code.
• Collaborate closely with Product, Design, and Engineering leaders to build new end-to-end experiences.

Requirements

• At least 8 years of experience developing digital products in complex environments.
• Deep expertise in distributed systems, microservices architecture, and cloud technologies.
• A proven track record of designing and delivering large-scale systems that serve thousands or millions of users.
• A strong background in object-oriented or functional programming languages, with the ability to work across multiple languages.
• Demonstrated ability to lead technical initiatives across multiple teams, even without direct authority.
• Advanced English skills.

Culture & Benefits

• Chance of earning equity.
• Health Insurance, Life Insurance, and NuCare.
• International business travel insurance.
• NuLanguage.
• Vacations and Parental leaves.
• Work from home allowance.