Hybrid Senior Full Stack Software Engineer

at Collinson

• Job title: Senior Full Stack Software Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, GraphQL, JavaScript, Jest, Kafka, Kubernetes, MongoDB, Node.js, Postgres, React, Terraform, TypeScript
• Location requirements: Hybrid, Sao Paulo, Brazil

About the role

• Senior Software Engineer designing and building cloud-native products for Collinson. Collaborating with cross-functional teams to deliver high-quality, reliable, and secure software.

Responsibilities

• Write clean, efficient, and testable code, owning complex features and services from design to deployment.
• Work closely with your squad (PMs, engineers, QAs) to refine requirements, scope technical solutions, and deliver great software.
• Champion automated testing and CI/CD. You’ll write unit, integration, and contract tests, and help make our systems robust and reliable.
• Build, deploy, and monitor services in AWS using tools like Terraform, Kubernetes, and GitHub Actions.
• Take responsibility for the health, performance, and maintainability of the code you ship.
• Help evolve our engineering standards and practices by sharing knowledge, reviewing code, and learning from incidents.
• Champion observability. You’ll be using DataDog to monitor services and debug production issues.
• Being a mentor and teacher to less experienced engineers.
• Develop in an Agile environment using tools like Git, Jira, and Confluence, with a mindset of collaboration and continuous improvement.

Requirements

• 5+ years of experience in software development with a strong focus on TypeScript (Node.js & React) and excellent knowledge of JavaScript fundamentals.
• Fluent or Advanced knowledge of English language.
• Experience building and running production systems in AWS using tools like EKS, Lambda, RDS.
• Skilled in designing and building GraphQL and RESTful APIs, with practical knowledge of MongoDB, PostgreSQL, and Kafka.
• Comfortable developing software within an event-driven architecture.
• Deep knowledge of writing automated tests with Jest, Pact, and the principles of TDD.
• Comfortable building and maintaining CI/CD pipelines (we use GitHub Actions) for code deployment primarily using Terraform.
• Experience using DataDog (or similar) to monitor services and debug production issues.
• Experience working in Agile environments using tools like Git, Jira, and Confluence, with a mindset of collaboration and continuous improvement.
• Able to take a problem and run with it, bringing a pragmatic, product-focused approach to software delivery.

Benefits

• Medical, dental, life insurance for employees
• Meal voucher
• Transportation or parking voucher
• Home office 3x a week
• Priority Pass membership (eligible after 90-day probation period)
• Work from anywhere for 8 weeks (eligible after 90-day probation period)