Backend engineer (aws, python/node.js)

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.

JOB REQUIREMENTS:

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, API Gateway, ECS/Fargate, RDS/DynamoDB, S3, SQS/SNS, EventBridge, Cognito
• Experience with AWS–Salesforce integrations: APIs, Platform Events / Change Data Capture, Named Credentials, AppFlow, or middleware
• Strong Infrastructure as Code skills with AWS CDK or CloudFormation
• Experience building and maintaining CI/CD pipelines for infrastructure and services
• Solid AWS networking knowledge: VPC design, subnets, routing, VPN/PrivateLink, DNS (Route 53)
• Experience owning production support: monitoring, alerting, incident response, and root-cause analysis (CloudWatch, X-Ray)
• Experience with backups, disaster recovery, and environment upgrades
• Understanding of AWS Well-Architected practices for reliability, scalability, and cost optimization
• Experience securing APIs and backend services, including authentication and OAuth flows
• Experience working with sensitive or regulated data, with a security-first mindset
• English level: Upper intermediate or higher

Nice to have:

• 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)

Technical stack:

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

KEY RESPONSIBILITIES:

AWS infrastructure (core focus):

• 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

Support and operations:

• 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

Salesforce and mobile integration:

• 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

PROJECT

Customer: Health and community care software company based in Australia.

Type: Healthcare, SaaS

Product: A cloud platform built on Salesforce that helps disability (NDIS), aged care, and allied health providers run their operations: client management, rostering and workforce management, care delivery, and billing. A companion mobile app lets frontline care workers manage visits, record care notes, and access client information in the field.

Stage: This is an established product with an active user base, and the infrastructure keeps growing.

Project team: Developer, admin, and tech support—all based locally in Brazil. The client's team from the USA — a tech lead, developers, and a product manager.

Work schedule: Full-time working day, the full remote is available from Sao Paulo; partial overlap with USA time zone.

INTERVIEW STAGES:

• Call with recruiter
• Technical interview
• Interview with DM
• Client interview

OUR BENEFITS:

• Work fully remotely
• English Lessons & Speaking Club
• SalesForce certification coverage
• Internal courses, workshops, subscriptions
• Paid public holidays
• Strong SalesForce community

Recruiter - Oksana Bedrii

*Some elements of our recruitment process are supported by AI tools, while all candidate evaluations remain the responsibility of our recruitment team.