Role Overview
We are looking for a Senior Software Engineer with robust experience in Python, React Native, GraphQL, PostgreSQL, and AWS. The role involves building scalable cloud-native applications, improving system reliability and performance, handling production support, and leading complex technical initiatives across backend, mobile, and cloud platforms.

Responsibilities

• Own the end-to-end health, scalability, and performance of services across Python backends, React Native mobile applications, GraphQL APIs, PostgreSQL databases, and AWS cloud infrastructure
• Lead and direct large-scale, complex, cross-functional initiatives, translating business requirements into scalable technical solutions and driving execution from design through delivery
• Architect and implement distributed systems using AWS services (e.g., Lambda, ECS, DynamoDB, S3, API Gateway, CloudWatch) with a focus on reliability, observability, performance, and cost optimization
• Design, develop, and optimize scalable backend services and APIs using GraphQL and PostgreSQL, ensuring high availability,



data integrity, and maintainability
• Drive the discovery phase of major initiatives, partnering with Product, UX, and business stakeholders to define high-level designs, validate solutions through proofs of concept and prototypes, and secure cross-functional alignment
• Take full ownership of production issues, leading incident response, root cause analysis (RCA), and permanent fixes, while improving system resilience to prevent recurrence
• Serve as a technical escalation point, diagnosing complex issues across mobile, backend, and cloud systems, guiding teams through resolution, and ensuring clear communication with stakeholders
• Elevate engineering quality by designing and enforcing comprehensive QA strategies, including automated unit, integration, and end-to-end testing for React Native applications and backend services within CI/CD pipelines
• Review and guide mobile and backend system d

📌 Senior Software Engineer (Noida)
🏢 Simfluent
📍 Noida