Saurabh Kumar Tiwari

About Saurabh Kumar Tiwari

Senior Support Engineer specializing in CPaaS platforms, messaging APIs, and authentication solutions across SMS, RCS, WhatsApp, and chatbot integrations. Experienced in client onboarding, API integrations, and technical implementation for scalable telecom and SaaS communication platforms.With over 5 years of experience in the telecom and SaaS domain, I work closely with enterprise clients to design, integrate, and deploy communication solutions that power modern customer engagement.At U2opia Mobile, I lead client onboarding and implementation for messaging platforms, supporting channels such as SMS, RCS, WhatsApp, and chatbot solutions. My responsibilities include API integrations, technical product demonstrations, production deployments, and providing post-implementation technical support to ensure successful client adoption.I also work extensively with authentication solutions such as OTP, Reverse OTP (missed call verification), Silent Authentication, and P2A, helping organizations deliver secure and frictionless user verification experiences.My strength lies in bridging the gap between customer requirements and technical solutions. I collaborate closely with product, engineering, and operations teams to troubleshoot complex issues, optimize integrations, and ensure seamless communication experiences for clients. Core Expertise• CPaaS Messaging Platforms• Messaging API Integrations (SMS, RCS, WhatsApp, Chatbot)• Authentication Solutions (OTP, Reverse OTP, Silent Auth, P2A)• Client Onboarding & Technical Implementation• API Testing, Troubleshooting & Production Support Tools & TechnologiesPostman | Jira | Jenkins | Swagger | MySQL | MongoDB | Amazon S3I’m currently focused on growing into a Solutions / Implementation Engineer role where I can leverage my experience in messaging platforms, API integrations, and telecom technologies to help organizations successfully deploy scalable communication systems.

Experience

1. Sr Support Engineer

   U2opia

   Apr 2025 — Present · Gurugram, IN

   Delivered technical support and solution implementation for enterprise communication services built on Communications Platform as a Service (CPaaS) platforms.• Worked with global clients to integrate messaging and authentication APIs including SMS, WhatsApp, and Rich Communication Services (RCS) into their applications and digital platforms.• Supported authentication and verification workflows such as One-Time Password (OTP), Reverse OTP, P2A and Silent Authentication to enable secure user onboarding and transaction validation.• Diagnosed and resolved complex messaging delivery issues by analyzing API logs, routing configurations, and telecom network behavior.• Partnered with engineering, product, and carrier teams to troubleshoot production incidents and improve service reliability.• Assisted enterprise customers with API testing, onboarding, configuration, and deployment of messaging solutions.• Monitored traffic patterns, delivery reports, and platform performance to ensure SLA compliance and optimal message delivery rates.

Education

• Kautilya institute of technology and engineering

  Bachelor's degree, computer science

  2012 — 2016