Tech Lead Software Engineer

Nubank; Toronto; On-site; CAD 234,000 - 293,000; Full time

Benefits offered by this job

Health Insurance

Life Insurance

Pension Plan

Extended parental leaves

Nucleo learning platform

Job summary

Nubank, a leading digital bank, is hiring an experienced Software Engineer focused on backend systems. You will work on horizontally scalable microservices, primarily in Clojure, with responsibilities spanning design, implementation, testing, and deployment.

The role emphasizes mentoring, cross-team collaboration, and building observable, scalable solutions. The team values small, autonomous pods and startup-like agility within a larger organization.

Qualifications

• 10+ 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 to millions of users.
• Strong background in object-oriented or functional programming and cross-language work.
• Experience leading technical initiatives across teams without formal authority.
• Experience mentoring senior engineers and elevating technical standards.
• Practical knowledge of agile software development and CI/CD.
• Excellent communication skills for technical and non-technical stakeholders.
• Advanced English proficiency.

Responsibilities

• Work with large scale distributed systems and understand their architecture.
• Set technical direction for multiple teams in line with architecture strategies.
• Drive pragmatic, resilient, scalable solutions across products and geographies.
• Mentor engineers and raise the technical bar across the organization.
• Write, test, instrument, document, and maintain code; participate in code reviews.
• Collaborate with Product, Design, and Engineering leaders to build new experiences.
• Ensure observability, performance monitoring, and error handling across services.
• Participate in on-call rotations and respond to incidents.
• Contribute to backend development with openness to mobile/frontend work as needed.

Skills

Distributed systems

Microservices

Cloud technologies

Programming languages

Mentoring engineers

CI/CD

Agile methodologies

Advanced English

Leadership without authority

Communication

Tools

Kafka

Kubernetes

Datomic

DynamoDB

Finagle

Prometheus

AWS

Job description

Nu 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 Page

About the role

Our Engineering team helps Nubank to create and use the technology that provides us to build the best financial products. We strive for state-of-the-art software development practices that currently include a variety of technologies. While we value candidates that are familiar with them, we are also confident that software engineers who are interested in joining Nubank will be able to learn from our team. The software engineer is focused on software development with Clojure as the main programming language (We Will teach you Clojure). Main responsibilities:

• Horizontally scalable microservices written mostly in Clojure, using Finagle and leveraging upon functional programming techniques and hexagonal architecture

• High throughput jobs and inter-service communication using Kafka

• Continuous Integration and Deployment into AWS

• Storing data in Datomic and DynamoDB

• Monitoring and observability with Prometheus

• Running as much as possible in Kubernetes

We are a process-light organization that values human interactions. We value working in small, independent teams that feel like small startups within the company, and eschew coupling and centralizing where realistic. We understand that execution is the key to success and optimize processes to remove bottlenecks.

You will be responsible for

• Work with large scale distributed systems, understanding their broad architecture

• Set technical direction for multiple teams, ensuring alignment with Business Areas and architecture strategies

• Drive pragmatic innovation while ensuring resilient and flexible solutions that scale across products and geographies

• Mentor engineers across teams, establishing and maintaining a high technical bar organization-wide

• Write, test, instrument, document, and maintain code. Able to pair and participate in code reviews to contribute to the growth of others in and around the team

• Collaborate closely with Product, Design, and Engineering leaders to build new experiences

• Ensure comprehensive observability, performance monitoring, and error handling across team services

• Participate in on-call rotations for your team and respond to incidents as necessary

• Work focused on backend applications, and be open to contribute to mobile and frontend development, according to business needs

We are looking for a person who has

• At least 10 years of experience developing digital products in complex environments

• Deep expertise in distributed systems, microservices architecture, and cloud technologies

• Proven track record of designing and delivering large-scale systems that serve thousands (or even millions) of users

• Strong background in object-oriented or functional programming languages, with ability to work across multiple languages

• Demonstrated ability to lead technical initiatives across multiple teams without direct authority

• Experience mentoring senior engineers and raising the technical bar across organizations

• Practical knowledge of agile software development methodologies and previous experience with CI/CD

• Good communication skills to prevent risks and explain trade-offs clearly to both technical and non-technical stakeholders

• Advanced English skills

Our Benefits

• Health Insurance

• Life Insurance

• Pension Plan

• Extended maternity and paternity leaves

• Nucleo - Our learning platform of courses

• NuLanguage - Our language learning program

• NuCare - Our mental health and wellness assistance program

• Vacations

Total compensation includes base salary, RSUs and benefits. Base salary range: $168,000 - $210,000

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.