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Senior Software Engineer

Software Engineer • Senior • Hybrid • Full-time Argentina Buenos Aires, Argentina

Nu, the leading digital bank in Latin America, is hiring a Senior Software Engineer for its Buenos Aires (hybrid) team, shaping technical direction and building large-scale distributed systems serving millions of customers.

Responsibilities

  • Build and evolve horizontally scalable microservices, mostly in Clojure, using Finagle, functional programming, and hexagonal architecture
  • Develop high-throughput jobs and inter-service communication using Kafka
  • Maintain CI/CD pipelines on AWS
  • Build data storage solutions using Datomic and DynamoDB
  • Set up monitoring and observability with Prometheus
  • Run services in Kubernetes
  • Set technical direction for multiple teams, mentor engineers, participate in code reviews
  • Collaborate with Product, Design, and Engineering leaders on new end-to-end experiences
  • Participate in on-call rotations and incident response

Requirements

  • At least 4 years of experience developing digital products in complex environments
  • Deep expertise in distributed systems, microservices architecture, and cloud technologies
  • Proven track record designing and delivering large-scale systems serving thousands or millions of users
  • Strong background in object-oriented or functional programming languages, able to work across multiple languages
  • Demonstrated ability to lead technical initiatives across teams without direct authority
  • Experience mentoring senior engineers and raising the technical bar
  • Practical knowledge of agile methodologies and CI/CD
  • Strong communication skills to explain trade-offs to technical and non-technical stakeholders
  • Advanced English skills

Soft skills

technical leadershipmentoringcross-team collaborationcommunication

What we offer

  • Equity opportunity
  • Health insurance
  • Life insurance
  • International business travel insurance
  • NuLanguage language support
  • Vacations
  • Parental leave
  • Work from home allowance

About the company

Nu is the leading digital bank in Latin America, serving 135 million customers across Brazil, Mexico, and Colombia, using data and proprietary technology to promote financial access and responsible lending.

Languages: Angol: felsőfok

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