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CI&T

Senior Backend/Integration Engineer

CI&T

. Develop and maintain the integration layer connecting AI agents to clients’ systems and CRMs .

Posted 10/1/2026full-timeBrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

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

Demonstrates advanced proficiency in Python and/or Java for developing and maintaining integrations, with a strong command of authentication and security practices including mTLS and OAuth2. Capable of orchestrating micro-activities and ensuring reliable data flows while implementing messaging patterns such as the Outbox pattern with OCI Streaming.

Highest-signal resume keywords
Python ProgrammingJava ProgrammingRESTful API DevelopmentMTLS and OAuth2 SecurityOutbox Pattern Implementation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Python ProgrammingJava ProgrammingRESTful API DevelopmentGRPC API IntegrationModel Context Protocol (MCP)Outbox Pattern ImplementationAPI Gateway ToolsAPI Observability PracticesSalesforce API IntegrationAmdocs API Integration
Tools & Technologies
OCI StreamingOCI API GatewayRedis
Industry Keywords
CRM IntegrationBilling SystemsAsynchronous IntegrationMicroservices OrchestrationLegacy Systems

Tech Stack

Tools & technologies
GRPCJavaPythonRedis

About the role

Key responsibilities & impact
  • Develop and maintain the integration layer connecting AI agents to clients’ systems and CRMs
  • Develop RESTful APIs and connectors using the Model Context Protocol (MCP) to integrate AI agents with enterprise systems
  • Perform deep integrations with billing and CRM systems, including Salesforce/Amdocs
  • Orchestrate micro-activities supporting agents, ensuring reliable and scalable data flows
  • Ensure conversation context is preserved in asynchronous integrations
  • Implement the Outbox pattern for messaging with OCI Streaming
  • Ensure authentication and security across integrations using mTLS and OAuth2

Requirements

What you’ll need
  • Advanced proficiency in Python and/or Java
  • Solid experience integrating systems through REST and gRPC APIs
  • Knowledge of orchestration and messaging patterns
  • Familiarity with CRMs and legacy systems
  • Strong command of authentication and security practices, including mTLS and OAuth2
  • Experience implementing the Outbox pattern for messaging with OCI Streaming
  • Knowledge of the Model Context Protocol (MCP) — optional asset
  • Experience with API Gateway tools, such as OCI API Gateway — optional asset
  • Experience with Salesforce/Amdocs APIs — optional asset
  • Familiarity with Redis for integration state management — optional asset
  • Experience with API observability practices — optional asset

Benefits

Comp & perks
  • Medical and dental insurance
  • Meal and food allowances
  • Childcare assistance
  • Extended parental leave
  • Partnerships with gyms and health and wellness professionals through Wellhub (Gympass) and TotalPass
  • Profit-Sharing and Results Bonus (PLR)
  • Life insurance
  • Continuous learning platform (CI&T University)
  • Discount club
  • Free online platform dedicated to promoting physical and mental health and well-being
  • Pregnancy and responsible parenting course
  • Partnerships with online learning platforms
  • Language-learning platform
  • Support and accommodations for people with disabilities throughout the selection process
  • Dedicated Health and Well-being team
  • Inclusion specialists and affinity groups