About NuNu is the leading digital bank in Latin America, serving 135 million customers across Brazil, Mexico, and Colombia.
The company has been leading an industry transformation by leveraging data and proprietary technology to develop innovative products and services.Guided by its mission to fight complexity and empower people, Nu caters to customers' complete financial journey, promoting financial access and advancement with responsible lending and transparency.
The company is powered by an efficient and scalable business model that combines low cost to serve with growing returns.Nu's impact has been recognized in multiple awards, including Time 100 Most Influential Companies, Fast Company's Most Innovative Companies, and Forbes World's Best Banks.Visit our Institutional PageAbout the roleOur Engineering team helps Nu create and scale the technology that powers the best financial products in Latin America.
We strive for state-of-the-art software development practices, using a variety of technologies and architectures to build resilient, secure, and highly scalable systems.As a Senior Software Engineer, you will play a key role in shaping the technical direction of multiple teams, driving the design and evolution of large-scale distributed systems that serve millions of customers.
While we value experience with our tech stack, we are confident that engineers who are eager to learn will be successful here - and we will teach you Clojure as our main backend language.You will build and evolve:Horizontally scalable microservices written mostly in Clojure,



using Finagle and leveraging functional programming techniques and hexagonal architectureHigh-throughput jobs and inter-service communication using KafkaContinuous Integration and Deployment pipelines on AWSData storage solutions using Datomic and DynamoDBMonitoring and observability with PrometheusServices running as much as possible in KubernetesWe are a process-light organization that values human interactions.
We work in small, independent teams that feel like startups within the company and avoid unnecessary coupling and centralization whenever realistic.
We understand that execution is key to success and continuously optimize our processes to remove bottlenecks.You'll be responsible forWorking with large-scale distributed systems and understanding their broad architecture and trade-offsSetting technical direction for multiple teams, ensuring alignment with Business Areas and architecture strategiesDriving pragmatic innovation while ensuring resilient, secure, and adaptable solutions that scale across products and geographiesMentoring engineers across teams and helping maintain a high technical bar organization-wideWriting, testing, instrumenting, documenting, and maintaining high-quality codePairing and participating in code reviews to support the growth of others in and around your teamsCollaborating closely with Product, Design, and Engineering leaders to build new end-to-end experiencesEnsuring comprehensive observability, performance monitoring, and robust error handling across team servicesParticipating in on-call rotations for your team and responding to incidents as necessaryFocusing primarily on backend applications,



while being open to contributing to mobile and frontend development according to business needsWe are looking for a person who hasAt least 4 years of experience developing digital products in complex environmentsDeep expertise in distributed systems, microservices architecture, and cloud technologiesA proven track record of designing and delivering large-scale systems that serve thousands or millions of usersA strong background in object-oriented or functional programming languages, with the ability to work across multiple languagesDemonstrated ability to lead technical initiatives across multiple teams, even without direct authorityExperience mentoring senior engineers and raising the technical bar across organizationsPractical knowledge of agile software development methodologies and prior experience with CI/CDStrong communication skills to identify and prevent risks, and explain trade-offs clearly to both technical and non-technical stakeholdersAdvanced English skillsLocationBuenos Aires, ArgentinaArgentina - Avenida del Libertador General San Martín **** - Vicente LópezOur BenefitsOur benefits are designed to support your wellbeing, development, and life outside of work.
They include:Chance of earning equityHealth InsuranceLife InsuranceNuCareInternational business travel insuranceNuLanguageVacationsParental leavesWork from home allowanceWork Model for this RoleHybrid 2-3 times/week: Our hybrid work model brings us to the office at least twice a week, on strategic days designed to maximize team connection and collaboration.
For more details, visit /.
Our recruitment process may involve the use of artificial intelligence-enabled tools, such as automated interview transcription and analysis, to support the evaluation process.
Artificial intelligence is not used to make final hiring decisions; all decisions are made by human reviewers.
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📌 Senior Software Engineer - Buenos Aires, Argentina (Hybrid)
🏢 Nubank
📍 Buenos Aires