Nubank - Sr/lead Backend Engineer

**De parte de Silver**: Una de las fintechs más importantes de Latam entra en una etapa de contratación en Argentina. Es una oportunidad única para ser de los primeros en un equipo que va a crecer, en una startup con reputación internacional y con desafíos técnicos a la altura de servir a más de 100m+ de usuarios. Pero la oportunidad no viene regalada - tiene un proceso de entrevistas técnicas exigente y para ayudarte estamos nosotros. Con Silver te vamos a ayudar de muchas maneras: Acceso a gratuito a lo esencial de Interview Ready Acompañamiento integral con herramientas y materiales de preparación de entrevistas Coaching 1:1 con programadores de categoría mundial Apoyo desde la comunidad de Slack junto con otros +1500 devs argentinos. Lo que ofrecemos nosotros no existe en el mundo. Dale gas **About Us**: Nubank is a leading financial technology company. We are looking for a **Senior Software Engineer** to join our growing team in **Buenos Aires, Argentina**. You'll independently execute tasks, take ownership of projects, and significantly contribute to team performance and efficiency. We are a team that values technical excellence, collaboration, and continuous learning. **About the Role**: As a Senior Software Engineer at Nubank, you will play a crucial role in building and maintaining our highly scalable and resilient systems. You'll work on challenging problems, collaborate with various stakeholders, and contribute to a culture of technical excellence. This position requires to be based in Buenos Aires, or willingness to move to BA. The role will start with a remote schedule, but will turn eventually to a hybrid position if and when Nubank opens their office here. **You will be responsible for**: - Designing and implementing **horizontally scalable microservices** primarily in **Clojure**, utilizing functional programming and hexagonal architecture. - Building high-throughput jobs and managing inter-service communication using **Kafka**. - Implementing **Continuous Integration and Deployment** processes within **AWS**. - Working with data storage technologies like **Datomic** and **DynamoDB**. - Ensuring system observability and monitoring with **Prometheus**. - Leveraging **Kubernetes** for container orchestration. - Leading small to medium-sized projects from conception to completion, ensuring quality and stability of deliverables. - Providing independent on-call and operational support, debugging complex issues within your team's domain. - Mentoring and coaching peers through code reviews, pair programming, and other knowledge-sharing activities. - Analyzing and solving moderately complex issues, identifying root causes, and developing effective solutions. - Contributing to cross-functional discussions and influencing the technical direction of your team. - Aligning team actions with broader organizational goals and identifying opportunities for improvement. **We are looking for a person who has**: - Typically **4+ years of experience** as a Software Engineer, with a track record of independent execution and project leadership. - Proven ability to identify and implement solutions that improve team performance and efficiency. - Experience contributing to cross-functional discussions and influencing technical direction. - Demonstrated emerging leadership qualities, including taking initiative and influencing others. - Strong communication skills, capable of clearly conveying ideas and adapting to different audiences. - Proficiency in problem-solving, including root cause analysis and developing solutions for complex issues. - Solid business acumen, with an understanding of organizational goals and business drivers. - Experience participating in change management initiatives and developing plans to mitigate business disruptions. - Familiarity with the architecture, design, and implementation of at least one system within a team's scope. - A "quality champion" mindset with strong attention to testing and observability. - Experience working in a fast-paced, high-growth environment is a plus.