Senior Full Stack Engineer – Platform Modernization & Multi-Tenant SaaS Architecture

Category: IT Services Location: Onsite/ Hybrid/ Remote: Remote Duration:5- 6 Months to start with Rate Range: Upto $80/hr W2 or $88/hr C2C Work Authorization: GC, USC, All valid EADs except OPT, CPT, H1B Must Have: React TypeScript Node.js Python AWS AWS Lambda AWS Fargate Redis Microservices Architecture Multi-Tenant SaaS Architecture Docker / Containerization REST APIs Responsibilities: Design and develop a scalable multi-tenant SaaS platform supporting multiple business units and independent workflows Modernize existing cloud-based applications to improve scalability, reliability, security, and maintainability Build frontend applications using React and TypeScript Develop backend services and APIs using Node.js and Python Design and implement microservices running on AWS Lambda and AWS Fargate Build reusable platform services that can be leveraged across multiple tenant environments Implement caching and performance optimization strategies using Redis Design tenant-specific and global feature deployment capabilities Collaborate with product and engineering teams to define platform architecture and technical solutions Participate in architecture reviews, code reviews, and technical design discussions Support platform observability, monitoring, production support, and operational excellence initiatives Mentor junior and mid-level engineers and promote engineering best practices Contribute to cloud infrastructure and platform modernization efforts Qualifications: 7+ years of software engineering experience Strong experience building and supporting multi-tenant SaaS platforms Strong frontend development experience with React and TypeScript Strong backend development experience with Node.js and Python Hands-on experience designing and implementing microservices architectures Strong AWS cloud experience including Lambda, Fargate, and cloud-native services Experience with containerization technologies such as Docker Experience implementing Redis caching and performance optimization strategies Experience improving application scalability, reliability, availability, and security Experience designing and supporting distributed systems Experience working within Agile development environments Experience providing technical leadership and mentoring engineers Nice to Have: Kubernetes Terraform GraphQL Event-Driven Architecture OAuth and Identity Management Platforms CI/CD Automation Cloud Monitoring and Observability Tools Media, Publishing, Content Management, or Digital Platform Experience Experience supporting high-scale customer-facing SaaS products Details Originally posted on Himalayas