Senior Software Engineer – React, AWS, Event-Driven

Jobtailor; São Paulo; Presencial; BRL 180 000 - 300 000; Tempo integral

Resumo da oferta

Itaú is seeking a software engineer to evolve its Financial Messaging platform. You will contribute to a high-availability system that communicates with clearing houses and participants, focusing on distributed architecture, messaging, and cloud adoption.

Join a multidisciplinary squad across the full engineering lifecycle. The role includes frontend work with React and TypeScript, backend with Golang, REST API development, and building event-driven solutions using Kafka, AWS managed services,

Qualificações

• Strong experience with React and TypeScript.
• Experience with AWS cloud and distributed services.
• Experience with API integrations and distributed systems.
• Knowledge of messaging and event-driven architecture.
• Experience with automated testing (Jest, RTL, etc.).
• Experience with microservices and frontend/backend integration.
• Knowledge of SQL and NoSQL databases.
• Experience with engineering best practices (SOLID, DDD, design patterns).
• Backend Golang experience (advantageous).
• Experience in mission-critical/high-volume environments (advantageous).
• Knowledge of infrastructure as code (Terraform/CDK) (advantageous).
• Experience with CI/CD (GitHub Actions, Jenkins) (advantageous).
• AWS certifications (advantageous).
• Use of AI in the development lifecycle (advantageous).

Responsabilidades

• Evolution and modernization of Itaú's Financial Messaging platform.
• This is a highly critical environment with high transaction volumes; performance, resilience and reliability are essential.
• The area focuses on distributed architecture, messaging and cloud with real engineering challenges.
• You will work in a multidisciplinary squad across the entire engineering lifecycle.
• Participation in technical refinements and solution design.
• Frontend development with React (TypeScript).
• Backend development with Golang.
• Implementation and evolution of REST APIs.
• Building solutions in distributed, event‑driven architectures.
• Working with messaging systems (Kafka, SQS, SNS, EventBridge).
• Development on AWS (managed services).
• Writing automated tests (unit, integration and frontend – Jest/RTL).
• Support and incident resolution.
• Mapping critical processes and flows.
• Contributing to legacy systems modernization.
• Use of AI to support development, testing and documentation.

Conhecimentos

React + TypeScript

AWS

API integrations

Event-driven architecture

Automated testing

Microservices

SQL/NoSQL databases

SOLID/DDD/Patterns

Golang (backend)

CI/CD (GitHub Actions/Jenkins)

Terraform/CDK (IaC)

AI in dev lifecycle

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 other participants in the financial ecosystem.
• This is a highly critical environment with high transaction volumes, where performance, resilience and reliability are essential.
• The area is at a strategic point of evolution, focusing on distributed architecture, messaging and cloud, presenting real engineering challenges and opportunities for direct business impact.
• You will work in a multidisciplinary squad, participating across the entire engineering lifecycle.
• Participation in technical refinements and solution design.
• Frontend development with React (TypeScript).
• Backend development with Golang.
• Implementation and evolution of REST APIs.
• Building solutions in distributed, event‑driven architectures.
• Working with messaging systems (Kafka, SQS, SNS, EventBridge).
• Development on AWS (managed services).
• Writing automated tests (unit, integration and frontend – Jest/RTL).
• Support and incident resolution.
• Mapping critical processes and flows.
• Contributing to legacy systems modernization.
• Use of AI to support development, testing and documentation.

Requirements

• Strong experience with React + TypeScript.
• Experience with AWS (cloud and distributed services).
• Experience with API integrations and distributed systems.
• Knowledge of messaging and event‑driven architecture.
• Experience with automated testing (Jest, RTL, etc.).
• Experience with microservices and frontend/backend integration.
• Knowledge of databases (SQL and NoSQL).
• Experience with engineering best practices (SOLID, DDD, Design Patterns).
• Experience with Golang on the backend (advantageous).
• Experience in mission‑critical / high‑volume environments (advantageous).
• Knowledge of infrastructure as code (Terraform/CDK) (advantageous).
• Experience with CI/CD (GitHub Actions, Jenkins) (advantageous).
• AWS certifications (advantageous).
• Use of AI in the development lifecycle (advantageous).