Backend Engineer (AWS, Python/Node.js)

Brazil·São PauloRemotemid

EngineeringBackend Developer

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Quick Summary

Key Responsibilities

AWS infrastructure (core focus): Design, build,

Requirements Summary

Must have: 5+ years of commercial experience in backend development with AWS Strong programming skills in Python and/or TypeScript (Node.js) Hands-on experience with core AWS services: Lambda,

Technical Tools

EngineeringBackend Developer

We are looking for a talented Senior AWS/Back-end Developer with 5 years of programming background to own and evolve the cloud infrastructure and backend services behind an established healthcare and community care platform. You will be responsible for core development, production support, and security across the AWS services and APIs that connect Salesforce with a React Native mobile app. The platform handles sensitive health and personal data, so security, data protection, and reliability are central to this role.

Requirements

~1 min read

Nice to Have

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Experience with Terraform
Experience supporting backends for mobile apps (React Native): auth, push notifications, file storage
Experience in healthcare, aged care, or other regulated domains
AWS certifications (e.g., Solutions Architect, Developer, DevOps Engineer, Security Specialty)

Primary stack: Python / TypeScript / Node.js / AWS CDK or CloudFormation
AWS: Lambda, API Gateway, ECS/Fargate, RDS/DynamoDB, S3, SQS/SNS, EventBridge, Cognito, CloudWatch, X-Ray, Route 53
Integrations: Salesforce (APIs, Platform Events / CDC, Named Credentials, OAuth, AppFlow), React Native mobile app

Responsibilities

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Design, build, and evolve AWS infrastructure and backend services
Own Infrastructure as Code and keep environments consistent
Build and maintain CI/CD pipelines for infrastructure and services
Manage networking: VPC design, subnets, routing, VPN/PrivateLink, DNS
Optimize reliability, scalability, and cost through right-sizing, autoscaling, and Well-Architected practices

Own production support: monitoring, alerting, incident response, and root-cause analysis
Maintain backups, disaster recovery, and environment upgrades
Write runbooks and infrastructure documentation and keep them up to date

Understand and support the integration points between AWS and Salesforce
Troubleshoot integration issues together with the Salesforce team (configuring or developing in Salesforce is out of scope)
Provide and secure the backend services and APIs used by the React Native mobile app: auth, API endpoints, push notifications, file storage