Senior Software Engineer – Go, AWS, Distributed Architecture

Jobtailor; São Paulo; Presencial; BRL 180 000 - 260 000; Tempo integral

Resumo da oferta

Itaú, a leading financial institution in Brazil, is seeking an experienced Go backend engineer to help evolve and modernize its Financial Messaging platform.

You will work with AWS, microservices, and event-driven architectures, delivering robust REST APIs, ensuring high availability, and applying AI to development and testing. This role requires strong English and hands-on production support.

Qualificações

• Experience with Go in production systems.
• Strong AWS experience with managed services.
• Experience with microservices and distributed systems.
• Knowledge of messaging and event-driven architecture.
• REST API design and integration experience.
• SQL and NoSQL databases (MySQL, Redis, DynamoDB).
• Engineering best practices (SOLID, Design Patterns, DDD).
• Experience with observability and production support.
• English proficiency.
• Experience with AI in development lifecycle.

Responsabilidades

• Evolve and modernize Itaú's Financial Messaging platform.
• Ensure high availability for large transactional volumes.
• Develop backend services using Go.
• Implement and evolve REST APIs.
• Build distributed, event-driven architectures.
• Work with Kafka, SQS, SNS, and EventBridge.
• Develop cloud solutions on AWS.
• Write tests and ensure code quality.
• Provide production support and incident response.
• Map critical business flows and help modernize legacy systems.
• Apply AI to support development, testing and documentation.

Conhecimentos

Golang

AWS

Microservices

REST APIs

Databases

CI/CD

Terraform

Observability

English

AI in dev

C#/.NET

Ferramentas

Kafka

SQS

SNS

EventBridge

Terraform

CDK

DynamoDB

MySQL

Redis

GitHub Actions

Jenkins

Descrição da oferta de emprego

Responsibilities

• You will work on the evolution and modernization of Itaú's Financial Messaging platform, responsible for communication with clearing houses and participants in the financial ecosystem.
• This is a highly critical context, with large transactional volume and strict high-availability requirements, where quality engineering makes all the difference.
• It is an opportunity to work close to the business, contributing solutions that directly impact the bank's financial operations.
• Participate in technical refinements and solution design
• Develop backend applications using Go
• Implement and evolve REST APIs
• Build distributed, event-driven architectures
• Work with messaging technologies (Kafka, SQS, SNS, EventBridge)
• Develop cloud solutions using AWS
• Write tests and ensure quality
• Provide production support and incident resolution
• Map and understand critical business flows
• Contribute to the modernization of legacy systems
• Use AI to support development, testing and documentation

Qualifications

• Strong experience with Golang (Go)
• Experience with AWS (EKS, SQS, SNS, DynamoDB, EventBridge, etc.)
• Experience with microservices architecture and distributed systems
• Knowledge of messaging and event-driven architecture
• Experience with REST APIs and system integrations
• Experience with relational and NoSQL databases (MySQL, Redis, DynamoDB)
• Knowledge of engineering best practices (SOLID, Design Patterns, DDD)
• Experience with observability and supporting production systems
• Backend experience with Golang
• Experience in mission-critical, high-throughput environments
• Knowledge of infrastructure as code (Terraform/CDK)
• Experience with CI/CD (GitHub Actions, Jenkins)
• AWS certifications
• Experience using AI in the development lifecycle
• Previous experience with .NET / C#, especially in microservices architectures (for professionals transitioning to Go)
• Advanced English