Ajay Prajapat

• Architected NestJS and LangChain-based AI platform services for multi-agent product workflows, creating reusable orchestration patterns for production-grade agent execution across multiple products.
• Defined service boundaries, guardrails, and controlled tool-execution flows for AI-enabled backend platforms, improving production readiness and reducing operational risk in agent-driven workflows.
• Standardized planner-executor-critic orchestration, Redis-backed memory, and observability patterns across multiple AI products, reducing repeated platform design effort and accelerating new workflow setup.

• Defined Node.js and TypeScript service architecture across shared logistics and cloud services, establishing service boundaries and reliability patterns that supported distributed operations across multiple business domains and production workflows.
• Led Kafka-based event and CQRS workflow design for shipment and cloud integrations, increasing processing throughput while isolating failures across asynchronous workflows and downstream service dependencies.
• Established domain-driven API contracts and integration standards adopted across shared services and multiple teams, reducing coordination overhead and improving consistency in cross-service evolution.

• Architected Node.js payment services with Redis, RabbitMQ, and MongoDB for transaction, settlement, and audit workflows, improving reliability and traceability across production payment operations in a regulated financial environment.
• Designed asynchronous recovery and failure-handling pipelines for settlement workflows, limiting transaction failure blast radius and improving recoverability across critical payment operations.
• Built FX, audit, and calendar services with clear service boundaries and reliable backend patterns, improving maintainability for compliance-sensitive financial systems.

• Led backend and telemetry architecture for real-time industrial monitoring systems, improving visibility across machine telemetry flows and enabling faster detection of production-floor issues in live manufacturing operations.
• Designed NestJS APIs, WebSocket telemetry services, and Dockerized AWS workloads for real-time monitoring systems, improving response behavior and making production deployments more consistent.
• Implemented monitoring, alerting, and logging workflows that improved incident response readiness and strengthened uptime support for operational teams.

• Led Wi-Fi streaming platform delivery across firmware and cloud services, coordinating backend, device, and frontend engineering through repeated production release cycles.
• Drove migration from PHP/HTML components to Node.js/NestJS and Angular-based applications, improving maintainability and creating a more scalable delivery foundation.
• Improved streaming stability and security through authentication, service hardening, and backend modernization patterns, reducing recurring playback and access issues.

Key Contributions

• Designed shipment lifecycle APIs and backend service flows covering the core order-to-delivery workflow, using clear bounded contexts and maintainable service contracts for business-critical logistics operations.
• Delivered Angular and React workflow surfaces for logistics operations, aligning UI behavior with backend service contracts to improve tracking accuracy and reduce integration drift across operational dashboards.
• Built Next.js customer shipment-visibility flows on top of event-driven backend contracts, improving consistency between internal operations state and customer-facing status journeys.

Key Contributions

• Developed Spring Boot and Node.js services to automate infrastructure provisioning, governance workflows, and internal platform operations across shared non-production and production environments.
• Built Angular dashboards and Vue.js/Nuxt.js admin views for environment visibility, access workflows, and infrastructure operations.
• Integrated AWS services (EC2, S3, IAM, Load Balancer) with PostgreSQL and Redis-backed orchestration while keeping cloud service abstractions portable for broader platform delivery.

Key Contributions

• Engineered Node.js payment services with RabbitMQ and Node-RED for event-driven, fault-tolerant processing across transaction, FX, settlement, and audit-related financial workflows.
• Built FX, holiday-calendar, and audit modules with MongoDB and Redis-backed workflows for resilient service operations and clearer domain separation.
• Improved transaction traceability through auditable event pipelines, service-level logging, and asynchronous processing patterns aligned to CQRS-style flows, reducing manual investigation effort during issue analysis.

Key Contributions

• Standardized Jenkins, AWS CodeDeploy, GitLab CI, and Docker-based delivery pipelines for repeatable releases across shared services and backend environments.
• Reduced deployment errors, manual handoffs, and release friction by replacing ad hoc release steps with consistent build, validation, and deployment workflows.
• Improved delivery governance by formalizing build, validation, and deployment workflows.

Key Contributions

• Designed a reusable NestJS and Express-based backend platform to accelerate delivery across multiple client implementations with shared authentication, API, and real-time communication patterns.
• Implemented JWT-secured REST APIs, reusable API templates, and standardized backend patterns for maintainability.
• Enabled WebSocket channels for real-time communication use cases across shared backend services.