C

CI&T

AI-driven digital solutions and nearshore development

Principal Architect - Legacy Modernization, AWS

Cloud EngineeringPosted on Nov 11
Full-timeRemote in BrazilNo salary listed

About the Job

Requirements

  • Principal- or expert-level experience in Software Engineering, Platform Engineering, Cloud Engineering, or a related area.
  • Solid hands-on experience with AWS, cloud architecture, and application deployment.
  • Strong development experience with React, Java, and/or Node.js.
  • Demonstrated experience in legacy/Mainframe modernization projects (COBOL, JCL, CICS, DB2) to the cloud.
  • Experience with Docker, Kubernetes/EKS, and container-based architectures.
  • Solid knowledge of APIs, API Gateways, IAM, authentication, authorization, secrets management, and networking.
  • Experience with CI/CD, infrastructure automation, and Infrastructure as Code.
  • Knowledge of using AI in software development.
  • Demonstrated ability to configure, integrate, and optimize AI agent ecosystems.
  • Knowledge of modern architectures, distributed systems, microservices, events, and queues.
  • Experience with observability, logging, metrics, and tracing.
  • Ability to work from architecture through implementation and production operations.
  • Strong troubleshooting and complex problem-solving ability.
  • Analytical ability and critical judgment to evaluate technical alternatives and avoid unnecessary complexity.
  • Communication ability to interact with Engineering, Architecture, Security, Cloud, technical leadership, and clients.

Responsibilities

  • Develop technical solutions to complex Mainframe modernization problems (COBOL, CICS, DB2, VSAM) for AWS, promoting innovation and high quality.
  • Define and implement data governance and systems architecture strategies, ensuring compliance with security standards.
  • Lead the use of AI, AWS Transform, and intelligent agents in the SDLC to improve efficiency, automate refactoring, and accelerate delivery using Kiro and Claude Code.
  • Configure, customize, and optimize AI agent tools and systems for the contract context, ensuring output quality in the development environment.
  • Manage risks associated with the overall transition architecture and act as an escalation point with key stakeholders.
  • Facilitate communication and alignment among executives (C-level), business areas, and engineering teams.
  • Define key project metrics and propose continuous improvements.
  • Structure, build, and lead teams of architects and software engineers using Agile Software Engineering.
  • Develop other architects by mapping talent and succession plans.
  • Act as a Trusted Advisor, advocate for technology strategies, and translate them into business impact.
  • Ensure uniformity and consistency of architecture and engineering standards across all squads.
  • Participate actively in presales by designing technical proposals and pursuing contract expansion and new client logos.

Desired Qualifications

  • AWS Solutions Architect Professional certification.
  • In-depth practical experience with AWS Mainframe Modernization and AWS Transform.
  • Established experience applying AI agents in the software development lifecycle to accelerate complex migrations.

About the Company

CI&T

AI-driven digital solutions and nearshore development

CI&T provides digital solutions to help brands transform their businesses through technology. It focuses on digital strategy and software engineering, offering services such as AI-powered solutions, customer-centric design, and nearshore software development. Products and engagements work by delivering tailored digital initiatives through long-term partnerships, project-based work, and ongoing maintenance; its MRVP approach helps navigate compliance in regulated industries while still enabling innovation. CI&T differentiates itself through a global delivery model, a focus on diversity and inclusion, and an emphasis on combining strategy, engineering, and design to drive business transformation. The company targets a wide range of clients, including regulated sectors and quick-service restaurants, and aims to help clients maximize resources, scale rapidly, and thrive in a post-digital transformation landscape.

Company size
5,001-10,000
Company stage
IPO
Headquarters
São Paulo, Brazil
Founded
1995

Recently Posted Jobs

Explore more opportunities at CI&T

See more jobs