Library Architect: Shape Core Backend Libraries at Scale

Nubank

Palo Alto (CA)

On-site

USD 180,000 - 240,000

Full time

14 days+

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Benefits offered by this job

Medical Insurance

Dental & Vision Insurance

401(k) matching

Generous time off

Job summary

Nubank is seeking a Library Architect to take ownership of the core programming language ecosystem and shared abstractions that power our backend microservices. You will oversee, govern, and elevate Nubank's foundational infrastructure libraries, ensuring they are stable, idiomatic, and maintained to the highest standards across multiple languages.

You will define the Nubank Way for building resilient core software libraries, interacting across the bank's language landscape, and ensuring

Qualifications

Experience building high-throughput backend ecosystems at scale.
Experience standardizing libraries across large distributed systems.
Strong knowledge of polyglot runtimes and language interoperability.
Commitment to high-integrity, forward-compatible design.
Ability to partner with senior leadership to drive standards across teams.

Responsibilities

Own the core programming language ecosystem and shared abstractions powering Nubank's backend microservices.
Oversee, govern, and elevate foundational infrastructure libraries used by 4,000+ microservices.
Ensure internal libraries are stable, idiomatic, and maintained to the highest standards across languages.