App Review, Stabilisation
9 hours ago
Job summary
We require a deep technical review of AWS architecture Lambda API Gateway RDS Dynamo Cognito etc OCPP implementation and session management Charger connection reliability and heartbeat handling Load handling scalability App-backend communication structure Security authentication token handling charger authorization Logging observability Error handling failure recovery Cost efficiency of AWS architecture Deliverable Written technical audit report Identified risks structural weaknesses Prioritised improvement roadmap Phase 2 Stability Performance Improvements WebSocket reliability OCPP transaction consistency Session state management Offline handling reconnection logic App response speed Backend latency AWS cost optimisation Monitoring improvements UX/UI improvement Digital animations Phase 3 Expansion Capability Integration to web based platform OCPP 2.0.1 readiness if viable We need the backend structured properly for this next growth phase Required Experience Proven AWS architecture experience production systems Strong OCPP minimum preferred Experience with WebSocket-based IoT systems Experience building scalable backend infrastructure Experience with EV charging platforms highly preferred Strong debugging systems-thinking capability Ability to document architecture clearly Bonus Experience with solar-integrated charging logic Experience in fleet commercial charging environments What We Are Looking For Senior-level engineer not junior Systems thinker not just coder Someone who can identify architectural weaknesses Someone comfortable taking ownership of backend structure Long-term collaboration potential Engagement Structure Initial fixed-price audit Followed by hourly milestone-based implementation Ongoing advisory architecture support possible Contract duration months hours per week Mandatory skills Amazon Web Services Python iOS Android AWS Lambda API API Integration Amazon Cognito Amazon API Gateway Amazon DynamoDBJob description
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