Mid-level Software Engineer – Front-end, AWS, Micro Frontends, AI

Itaú Unibanco

Software Engineer developing digital experience solutions at Itaú, focusing on scalable performance and AI integration. Collaborating on architectural decisions and ensuring high-quality software delivery.

Posted 7/1/2026full-timeSão Paulo • 🇧🇷 BrazilMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AngularAWSCloudJavaScriptReactTerraform

About the role

Key responsibilities & impact

Develop and evolve applications using Lit, Angular and React with an architecture based on Micro Frontends (MFE).
Build reusable components focused on scalability, performance and user experience.
Work on integrations with BFFs and AWS services, ensuring security, resilience and operational efficiency.
Use services such as API Gateway, ECS, CloudFront, S3 and Lambda to build cloud-native solutions.
Actively participate in defining the technical architecture and in discussions about the platform's technological evolution.
Monitor applications using Datadog, promoting observability, reliability and fast problem detection.
Apply FinOps practices, contributing to cost optimization and efficient use of cloud infrastructure.
Ensure high code quality through automated tests, engineering best practices and code reviews.
Build accessible experiences following WCAG guidelines and using automated validation tools.
Improve the performance of web applications and webviews used at large scale.
Explore and apply Artificial Intelligence capabilities in the software development lifecycle to drive productivity and innovation.
Collaborate with cross-functional teams in Product, UX, Data, Architecture and Engineering to deliver high-impact solutions.

Requirements

What you’ll need

Strong experience in Front-end development.
Experience with React and/or Angular in large-scale applications.
Hands-on experience with Micro Frontends (MFE) architecture.
Knowledge of AWS services, especially API Gateway, ECS, Lambda, S3 and CloudFront.
Experience integrating APIs and building high-performance interfaces.
Knowledge of observability, automated testing and engineering best practices.
Experience with digital accessibility and building reusable components.
Analytical, collaborative profile with a strong sense of ownership.
Nice to have: Experience with Lit, Web Components and Vanilla JavaScript.
Nice to have: Experience applying Artificial Intelligence to software development (GitHub Copilot, StackSpot AI, Claude, Devin and other LLMs).
Nice to have: Knowledge of Terraform and Infrastructure as Code.
Nice to have: Experience with FinOps, observability and optimization of cloud environments.
Nice to have: Experience working on high-scale, mission-critical products.
Nice to have: AWS certification.

Benefits

Comp & perks

Transportation allowance
Meal voucher (restaurants) / Grocery allowance (supermarkets)
Medical plan (Fundação Saúde Itaú or Central Nacional Unimed)
Dental plan (Odontoprev or Interodonto)
Life insurance
Profit-sharing (PLR) – Participation in Profits and Results (subject to the bank's performance)
Private pension plan
Exclusive discounts on our financial products
Extended maternity and paternity leave
Childcare / nanny assistance (for parents)
Education assistance
Wellhub or TotalPass
Access to Itaú leisure clubs (Guarapiranga / Itanhaém and São Sebastião)
+ Some additional perks you can learn about during the process 😊

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Front-End DevelopmentReactAngularMicro Frontends (MFE)AWS ServicesAPI IntegrationAutomated TestingDigital AccessibilityPerformance OptimizationArtificial Intelligence

Soft Skills

AnalyticalCollaborativeOwnership

Certifications

AWS Certification