Senior Backend Developer (Java)

Location: Brazil; remote workplace.

Company

CI&T delivers AI deployment, application modernization, data and AI, Martech, and business strategy solutions for large enterprises.

What you will do

• Design and deliver reliable integrations connecting partner ERP, CRM, OMS, and WMS systems to a global B2B omnichannel commerce platform.
• Own end-to-end extraction, transformation, mapping, validation, reconciliation, ingestion, and delivery of commercial, customer, product, pricing, inventory, order, and fulfillment data.
• Manage the full partner delivery lifecycle, including onboarding, build, deployment, hypercare, and steady-state operations.
• Build highly tested and observable integrations using logging, distributed tracing, alerting, and runbooks.
• Act as a technical point of contact for partner teams and handle production incidents, customer-visible outages, and hypercare situations.
• Participate in a 24/7 L3 on-call rotation and use AI coding agents daily while critically evaluating generated code.

Requirements

• Senior experience designing, delivering, and operating integrations between enterprise systems of record and downstream commerce or omnichannel platforms.
• Strong end-to-end data integration knowledge across extraction, transformation, mapping, validation, reconciliation, ingestion, and delivery, including REST/SOAP APIs, webhooks, event streaming, SFTP/file exchange, middleware/iPaaS, ETL/ELT, and batch processing.
• Backend development with Java and production-depth Spring Boot, including Spring MVC and Spring Security.
• Experience with Azure Data Factory, REST APIs, RabbitMQ or equivalent message brokers, PostgreSQL, Docker, and Kubernetes.
• Experience with JUnit/E2E testing and observability practices including logging, distributed tracing, alerting, and runbooks.
• Customer-facing maturity and confidence owning technical conversations with partner teams across the full lifecycle.
• Ability to make technical decisions under pressure during production incidents, hypercare windows, and customer-visible outages.
• Advanced English, fluent in technical meetings with external stakeholders.
• Daily, fluent use of AI coding agents as a primary delivery tool, with critical evaluation of their output, is required.

Culture & Benefits

• Remote work in a full-time employment position.
• Health and dental insurance, life insurance, meal and food allowance, childcare assistance, and extended paternity leave.
• Profit Sharing and Results Participation (PLR), discount club, and partnerships with gyms and wellness professionals.
• Continuous learning through CI&T University, online learning platforms, and a language learning platform.
• Physical, mental, and overall well-being platform, plus pregnancy and responsible parenting courses.
• Inclusive hiring support, including assistance with obtaining disability assessment documentation and workplace accommodations.