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Senior Full Stack Software Engineer with 4.8+ years of experience building scalable SaaS, AI, healthcare, logistics, and POS products. I focus on end-to-end product delivery—from frontend architecture to backend services—leveraging distributed systems, API design, and performance optimization. I’ve led AI automation and real-time workflow initiatives, built resilient platforms with strong reliability and security, and mentored engineering teams. I enjoy turning complex requirements into maintainable systems that improve throughput, engagement, and measurable business outcomes.…Senior Full Stack Software Engineer with 4.8+ years of experience building scalable SaaS, AI, healthcare, logistics, and POS products. I focus on end-to-end product delivery—from frontend architecture to backend services—leveraging distributed systems, API design, and performance optimization. I’ve led AI automation and real-time workflow initiatives, built resilient platforms with strong reliability and security, and mentored engineering teams. I enjoy turning complex requirements into maintainable systems that improve throughput, engagement, and measurable business outcomes.

Shubham Srivastav

Full Stack Developer, Software Engineer, Back-End Developer, +2

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Senior Full Stack Software Engineer with 4.8+ years of experience building scalable SaaS, AI, healthcare, logistics, and POS products. I focus on end-to-end product delivery—from frontend architecture to backend services—leveraging distributed systems, API design, and performance optimization. I’ve led AI automation and real-time workflow initiatives, built resilient platforms with strong reliability and security, and mentored engineering teams. I enjoy turning complex requirements into maintainable systems that improve throughput, engagement, and measurable business outcomes.…Senior Full Stack Software Engineer with 4.8+ years of experience building scalable SaaS, AI, healthcare, logistics, and POS products. I focus on end-to-end product delivery—from frontend architecture to backend services—leveraging distributed systems, API design, and performance optimization. I’ve led AI automation and real-time workflow initiatives, built resilient platforms with strong reliability and security, and mentored engineering teams. I enjoy turning complex requirements into maintainable systems that improve throughput, engagement, and measurable business outcomes.

Available to hire

Senior Full Stack Software Engineer with 4.8+ years of experience building scalable SaaS, AI, healthcare, logistics, and POS products. I focus on end-to-end product delivery—from frontend architecture to backend services—leveraging distributed systems, API design, and performance optimization.

I’ve led AI automation and real-time workflow initiatives, built resilient platforms with strong reliability and security, and mentored engineering teams. I enjoy turning complex requirements into maintainable systems that improve throughput, engagement, and measurable business outcomes.

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Work Experience

Senior Software Engineer (Contract) at OPSA (Sales & Operations Platform)

October 1, 2025 - Present

Built a full-stack AI automation platform using React.js, Vue.js, Node.js, REST APIs, and LLM integrations to power lead-generation workflows and improve revenue and earnings metrics. Modernized the frontend with a modular design system, reusable components, TanStack Query, and scalable state management for a performance and maintainability boost. Architected a real-time web-scraping engine with Gemini LLM and automated offer-generation workflows via cron jobs to accelerate sales cycles. Enhanced an AI response-management platform and telemetry dashboard to evaluate LLM outputs, reduce manual review effort, and speed up pricing/content decisions. Maintained concurrency-safe backend pipelines and API workflows processing thousands of requests monthly while building conversion-focused landing pages to increase engagement.

Software Engineer II (Pod Lead, Contract) at AiSensy (SaaS)

December 1, 2024 - October 1, 2025

Delivered full-stack capabilities for the Meta Flows low-code platform used by 1,150+ businesses, including an execution engine handling 1.2M webhook events daily through load balancing and distributed caching. Orchestrated queue-based integrations with LeadSquared, WebEngage, and Intercom to prevent rate-limit exhaustion and improve processing efficiency. Refactored abort-controller workflows and transformed legacy pricing logic into modular microservices, reducing monthly infrastructure costs and improving retention. Implemented reusable chatbot and form-builder interfaces with React.js, Vue.js, TypeScript, Node.js, Meta APIs, and configurable tags/attributes to reduce onboarding effort. Mentored a six-member engineering pod and standardized planning, code reviews, and delivery practices to speed onboarding.

Software Engineer II at Lobb (Trucks and Logistics)

February 1, 2024 - December 1, 2024

Optimized React.js dashboards by offloading compute-heavy work to Web Workers, improving responsiveness and reducing page-load time. Established Jest and Cypress suites to eliminate recurring production defects and addressed frontend memory leaks while normalizing Redux state. Developed a full-stack Kanban resource-management system integrating responsive UIs, REST APIs, and freight services to boost operational productivity. Improved security by implementing input validation and mitigating XSS vulnerabilities across client and API workflows for a logistics platform focused on productivity improvements.

Software Engineer at MyHelp (Health Care)

October 1, 2022 - December 1, 2023

Migrated a legacy PHP platform to Next.js microservices, supporting fivefold traffic growth while maintaining 99.99% uptime for 518K+ patients. Expanded Apollo GraphQL APIs and backend services and delivered end-to-end encrypted messaging modules while maintaining 99.99% uptime and HIPAA/GDPR compliance. Reduced mobile data usage through API payload optimization and improved frontend data fetching and responsiveness. Increased Lighthouse performance scores from 64 to 92 using image optimization, lazy loading, code splitting, and rendering improvements.

Software Engineer at Oolio (formerly TILL POS)

November 1, 2021 - September 1, 2022

Built cross-platform React Native applications and backend workflows for global merchants, sustaining 48K+ concurrent users through database indexing and query optimization. Implemented offline synchronization modules enabling uninterrupted POS transactions during network outages. Added multi-currency and localization support to expand into three new markets. Integrated Twilio and secure payment gateways to streamline checkout and reduce cart abandonment.