Ritesh Agarwal

Full-stack software engineer with 11+ years building cloud-native SaaS and enterprise products across Healthcare, Higher Education, and Telecom.

Technical

Lead at Coforge (Waystar), leading 15 engineers across technical strategy, system design, distributed systems, multi-tenant SaaS, reusable capabilities, and delivery execution.

Technical Lead - Coforge (Waystar) - Bengaluru | Remote

(2024-09 - 2026-06)

Client: Waystar

• Led 15 engineers in building a healthcare SaaS platform from 0 to 1, defining technical strategy and delivery ownership for a cloud-native product processing 160M+ patient encounters across 1,000+ hospital and health-system deployments, supporting expansion to 50% of U.S. patients.
• Partnered with Product and UX teams to translate business requirements into scalable services and APIs for a multi-tenant SaaS platform; defined service boundaries and architectural patterns for 6+ production microservices in a Kafka-based event-driven platform, enabling reliable distributed communication and independent delivery of 8+ revenue-cycle opportunity types.
• Led technical design and architecture reviews and mentored engineers through architecture guidance, code reviews, and system-design discussions; established NestJS / TypeScript microservices and security standards using Prisma, PostgreSQL schema design, OAuth 2.0, JWT sessions, soft-delete tracking, and granular RBAC, achieving 100% audit compliance.
• Standardized reusable React.js and Vue 3 libraries across 4 products, reducing duplicated implementation effort by 80%; deployed 2 single-spa micro-frontends on AWS to support independently developed frontend modules.
• Improved platform performance and engineering velocity by reducing P95 query latency by 98%, from 2.4s to 48ms, across 1,000+ deployments and increasing delivery throughput by 33%, from 45 to 60 story points per sprint, through N+1 elimination, PostgreSQL indexing, Redis caching, candidate-based filtering, reusable patterns, Docker workflows, and CI/CD.
• Integrated RAG-based LLM workflows using OpenAI and Amazon Bedrock in Python and Node.js, integrating contextual data retrieval and prompt orchestration to automate healthcare appeal generation; reduced turnaround from 2-3 days to 4-8 hours and saved approximately 150 person-hours weekly across 6 reviewers; built a GraphQL gateway with generated types and custom scalar mapping over REST services.
• Raised test coverage from 30% to 85% across 15 critical modules and reduced integration defects by 30%; improved diagnosability across 25+ modules with structured logging, OpenTelemetry, distributed tracing, monitoring, and Grafana, reducing issue resolution time by 30%, from 8 to 5.5 hours.

Senior Software Engineer, R&D - Ellucian - Bengaluru

(2018-03 - 2024-07)

Promoted from Software Engineer in July 2022

• Built and launched cloud-native SaaS platforms serving 1,400+ higher education institutions and 20M+ students globally, contributing across platform engineering, performance optimization, and shared product capabilities.
• Improved serverless application performance by 40% through query tuning, caching, AWS Lambda optimization, and distributed workflow improvements supporting multi-region regulatory requirements.
• Developed reusable React.js components, Express.js services, DynamoDB integrations, and rules-engine capabilities adopted by 3 engineering teams; established reusable microservices patterns and Playwright coverage to improve shared product delivery.
• Contributed to technical direction and engineering standards for TypeScript / Node.js services and event-driven AWS applications through design reviews, code reviews, and architecture discussions.
• Reduced critical/high security vulnerabilities by 25%, from 40 to 30 per quarter, by embedding secure SDLC practices into CI/CD, design reviews, and code-review workflows.
• Mentored 6 engineers across programming, databases, and engineering practices, supporting onboarding and technical development.

Solution Integrator - Ericsson - Kolkata & Bengaluru

(2015-02 - 2018-03)

• Delivered end-to-end full-stack enterprise applications across 5 telecom products, owning requirements, technical design, implementation, integration, and customer release.
• Accelerated delivery timelines by 20% through hands-on engineering across C#, .NET Core, JavaScript, Express.js, Node.js, React, MongoDB, and SQL Server.
• Designed data-management, reporting, analytics, visualization, and process-automation workflows across relational and document-oriented systems.
• Automated reporting workflows, eliminating 10+ hours/week of manual effort, and mentored new developers across multiple projects.

B.Tech - Information Technology - Kalyani Government Engineering College (2010 - 2014)