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CI&T

Senior Backend Engineer, Python

CI&T

. Evolve and scale backend services, APIs, and orchestration workflows in a cloud-based environment .

Posted 10/9/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in backend software engineering with a focus on Python, FastAPI, and Flask, while effectively managing API specifications and cloud-based deployments on Azure. Proven ability to design scalable architectures and implement CI/CD pipelines, ensuring reliable service communication and observability.

Highest-signal resume keywords
Backend Software EngineeringPython DevelopmentFastAPI and FlaskAzure Cloud DeploymentCI/CD Implementation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
PythonFastAPIFlaskAPI DevelopmentCI/CD PipelinesAutomated TestingObservability PracticesAsynchronous ProcessingService IntegrationData Persistence
Soft Skills
Problem-SolvingCollaborationAutonomy
Tools & Technologies
AzureAzure Container AppsQueue-Based ArchitecturesMonitoring ToolsLogging Tools
Industry Keywords
API ArchitectureDistributed SystemsOrchestration WorkflowsService ReliabilityTechnical Decision-Making

Tech Stack

Tools & technologies
AzureCloudDistributed SystemsFlaskPython

About the role

Key responsibilities & impact
  • Evolve and scale backend services, APIs, and orchestration workflows in a cloud-based environment
  • Modernize existing services and support migration from Flask to FastAPI
  • Help build a scalable, decoupled architecture using Azure
  • Own and maintain API specifications across integrations
  • Evolve the multi-run orchestration flow from API requests through multirun processing to Optim-core integration
  • Transition orchestration workloads toward queue-based workers running on Azure Container Apps
  • Design and implement run lifecycle APIs, article swap endpoints, and results persistence mechanisms
  • Build and maintain backend services using Python, FastAPI, and Flask
  • Implement and maintain CI/CD pipelines, automated testing, and observability practices
  • Address technical challenges related to service reliability, integration, and distributed processing
  • Collaborate with engineering teams and stakeholders to deliver robust, maintainable backend solutions

Requirements

What you’ll need
  • Strong experience in backend software engineering using Python
  • Hands-on experience with FastAPI and Flask, including API development and framework migration
  • Experience designing, documenting, and maintaining API specifications
  • Solid understanding of API architecture, service integration, and asynchronous processing
  • Experience with Azure and cloud-based application deployment
  • Knowledge of queue-based architectures, background workers, and distributed systems
  • Experience implementing automated testing, CI/CD pipelines, and observability for production services
  • Understanding of data persistence, API lifecycle management, and reliable service communication
  • Strong problem-solving skills and ability to make sound technical decisions
  • Ability to work autonomously and collaborate effectively with cross-functional engineering teams
  • Nice to have: Experience with Azure Container Apps and containerized workloads
  • Nice to have: Familiarity with Azure Machine Learning Studio (AMLS) and integration with backend services
  • Nice to have: Experience decoupling services and migrating from tightly coupled architectures to asynchronous, queue-based processing
  • Nice to have: Knowledge of monitoring, logging, tracing, and production troubleshooting
  • Nice to have: Experience with orchestration workflows involving multiple services or processing runs

Benefits

Comp & perks
  • Health and dental insurance
  • Meal and food allowance
  • Childcare assistance
  • Extended paternity leave
  • Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass
  • Profit Sharing and Results Participation (PLR)
  • Life insurance
  • Continuous learning platform (CI&T University)
  • Discount club
  • Free online platform dedicated to physical, mental, and overall well-being
  • Pregnancy and responsible parenting course
  • Partnerships with online learning platforms
  • Language learning platform
  • Health and well-being team, inclusion specialists, and affinity groups
  • Support and accommodations for people with disabilities during the selection process