Current Role and Responsibilities
Rangarajan Vaithyalingam is Co-Founder and Chief Technology Officer (CTO) at Appify, a Series A cloud-based application development platform headquartered in San Francisco, founded in 2017. In his capacity as CTO, he is responsible for technology strategy, product engineering, innovation, and translating Appify’s product and platform vision into reality. His role emphasizes leadership in building distributed, scalable, and high-availability SaaS solutions with a focus on enhancing Appify’s platform offerings.
Professional Experience and Expertise
Rangarajan brings over 20 years of experience in software engineering, product architecture, and engineering leadership, particularly specializing in complex enterprise mobile and cloud applications. His domain expertise primarily centers on the Field Service and Healthcare verticals. Before co-founding Appify, he was Product Architect at ServiceMax (acquired by GE Digital) and Head of Research and Discovery at Aptuit (acquired by Catalent), showcasing strong background in driving product innovation within technology-driven enterprises.
He has demonstrated adeptness in modern cloud infrastructure, notably advancing Appify’s technological capabilities through migration efforts such as transitioning from Amazon ECS to Amazon EKS and VPC deployment, significantly boosting scalability and reliability of the platform’s SaaS offerings. This accomplishment is highlighted through collaboration with nClouds, which supports Appify’s cloud architecture modernization.
Education and Professional Development
- Master’s Degree in Computer Science
- MBA from IBS
- Executive Technology Program Certification from Wharton School
These credentials reflect a blend of deep technical knowledge and strategic business acumen, aligning with his role driving both technical innovation and growth initiatives at Appify.
Company Overview – Appify
Appify provides a platform that enables the rapid building of rich web and mobile applications optimized for ease of use and integrations with existing business systems of record. The company targets business users aiming to accelerate operations by automating manual processes or augmenting software through user-friendly mobile apps.
- Industry: Developer Tools, Software (Cloud SaaS)
- Headquarters: San Francisco, United States
- Employee Count: Approx. 11-50
- Funding: Raised $11.4 million in two funding rounds from four investors as of mid-2025
Appify’s leadership comprises co-founders Hari Subramanian (CEO), Rangarajan Vaithyalingam (CTO), and Agni Ananda (GM, India Operations). The company actively participates in industry events, including recent presence at the SuiteWorld conference in Las Vegas highlighting partnerships with firms like Accrete Consulting for FSM (Field Service Management) integration.
Technical Leadership and Impact
Rangarajan is recognized for his extensive knowledge of technologies critical to enterprise SaaS development, including cloud-native architectures and field service automation. His influence extends to guiding product engineering teams to deliver robust and innovative solutions that meet enterprise-grade requirements for availability and scalability.
Moreover, his strategic direction in platform evolution has enabled Appify to leverage the latest container orchestration technologies (EKS) and cloud monitoring solutions (Amazon CloudWatch). These enhancements directly align with industry trends toward microservices, elasticity, and operational excellence in SaaS environments.
Location and Network
- Based in San Francisco Bay Area, California
- Maintains a strong professional network with approximately 427 connections and 482 followers on LinkedIn
- Actively shares company news and participates in relevant technology and industry discussions on LinkedIn
This comprehensive profile positions Rangarajan Vaithyalingam as a key technological leader and innovator within Appify, possessing substantial expertise in cloud SaaS architecture, product strategy, and enterprise mobile solutions, supported by a strong educational foundation and industry experience. His role is crucial in driving Appify’s platform vision while enabling scalable and resilient technology implementations that support growth and market expansion.
