Vibhaj Rajan

Co-Founder

Santa Clara, California, United States11 yrs 10 mos experience

Key Highlights

  • Built a cybersecurity platform achieving $0.5M ARR in 18 months.
  • Scaled CoinDCX platform from 100K to 3M users in one year.
  • Bootstrapped tech stack leading to $100M+ funding.
Stackforce AI infers this person is a Cybersecurity and Fintech expert with strong leadership in software architecture.

Contact

Skills

Core Skills

CybersecurityProduct DevelopmentSoftware EngineeringTeam LeadershipSecurity EngineeringProduct DirectionArchitectureTeam BuildingCloud SecurityTesting FrameworksEducation TechnologyCollaboration ToolsEducational TechnologyData MiningGraph AlgorithmsWeb DevelopmentRest ApisWeb CrawlingOop

Other Skills

AlgorithmsAngularJSAutomationCC (Programming Language)C++CSSData StructuresDesign PatternsDistributed SystemsDjangoEclipseEnterprise SoftwareGitHTML

About

Unconventional thinker, hacker, startup enthusiast, IIT graduate, open source supporter. I believe in customer first products and services. - 12+ years professional experience in tech - been in tech leadership position since start of career - always hands on with code and hacking away cool stuff - excited and able to take on huge tech ownership - enjoy solving problems by thinking in customer's shoes - versatile, focussed, fast, proactive, get-shit-done attitude - love bootstrapping tech stacks with high performance, reliability, scalability and diverse architectures - distributed, cluster, real time, async, message passing, multi threaded, big data industry backgrounds - ai, cybersecurity, crypto, marketplaces, fintech, saas, virtualization, edtech

Experience

Sybill

Founding Engineer

Jan 2025Present · 1 yr 2 mos · Mountain View, California, United States

Telivy

Chief Technology Officer

Apr 2022Jan 2025 · 2 yrs 9 mos · Santa Cruz, California, United States · Remote

  • Acquired by Crytracom. Built the product from scratch after a pivot from cybersecurity insurance to cybersecurity risk assessment platform, found product market fit with iterations and grew ARR from 0 to USD 0.5M in 18 months. Built the foundational technology IP for market differentiation making customers love our product for its high value and ease of use. Working closely with CEO to architect, build and scale the core proprietary technology platform for running cybersecurity risk & compromise assessments and attack surface management. Actively involved in product design and development while owning the technical vision for the future of cybersecurity for SMBs.
CybersecurityProduct Development

Instawork

Staff Software Engineer

Jul 2021Mar 2022 · 8 mos · Bengaluru, Karnataka, India · Remote

  • Led the Partner-Growth pod to own and deliver improvements to the product while coordinating with the globally distributed tech team to enhance the Instawork experience for local businesses. Involved with the infrastructure team to scale the platform for 4x volume. Also part of recruiting to grow the APAC team.
Software EngineeringTeam Leadership

Coindcx

Principal Architect

Jun 2020Jul 2021 · 1 yr 1 mo · Mumbai, Maharashtra, India · Remote

  • Led the security team to implement user account and wallet security best practices earning the fame of being called the safest and most secure exchange in India, making us distinctively standout amongst our competitors who were getting scammed and hacked frequently. Patched all open vulnerabilities and implemented strict code security static analysis pipeline to ensure dependencies are always up-to date which resulted in reduction of bug bounties reported to be zero or super rare. Scaled the CoinDCX platform 30X from 100K to 3M users within a year, processing over 10M orders worth $2B+ volume every month, ensuring seamless service uptime and performance at high traffic. Heavily involved in product direction, improving team processes and recruiting. Managed and mentored other leaders in the engineering team.
Security EngineeringProduct Direction

Drip capital

Founding Engineer

Nov 2016May 2020 · 3 yrs 6 mos · Mumbai, Maharashtra, India · On-site

  • Hired as the first employee. Bootstrapped the tech stack from scratch and evolved it to a robust microservices architecture. Led to $100M+ early-stage funding from VCs like Accel Partners, Sequoia, Wing, YC and institutional debt investors. Hired and coached a team of 15 engineers, shaped the engineering culture. Enabled $1B+ capital lending on the platform by building a flexible and fully automated Underwriting model integrated with 15+ data sources, and scalable systems for Accounting, OCR, E-signatures and Blockchain.
ArchitectureTeam Building

Browserstack

Senior Software Engineer

Sep 2014Oct 2016 · 2 yrs 1 mo · Mumbai, Maharashtra, India · On-site

  • Witnessed and learnt from the biggest hack in the history of the firm, which saw the team leads identify, control, mitigate and bring back the systems in over 48 hours of continuous effort across engineering, marketing and PR teams. Led the team to create a proprietary pubsub service with heavy security controls and industry grade encryption to avoid all kinds of cyber attacks even at super high usage volume. Implemented cutting-edge selenium testing stability framework in Automate product, leading to rapid user growth and market leadership. Improved streaming technology & browser compatibility for Live product. Exposure: Cloud Security, Ruby on Rails, WebRTC, AWS, Selenium, Node JS
Cloud SecurityTesting Frameworks

Zaya learning labs

Full Stack Engineer

Jan 2014Aug 2014 · 7 mos · Mumbai, Maharashtra, India · On-site

  • Worked on building a better version of portable wi-fi enabled learning systems for K10 education. Was involved in the development of innovative product from scratch and represented Zaya as semifinalists at DBS NUS SVCA, Singapore in March 2014. Exposure: Open Hardware, Education, Python, Django, AngularJS, Shell
Product DevelopmentEducation Technology

Yahoo!

Software Engineer Intern

Jan 2013Jul 2013 · 6 mos · Bengaluru, Karnataka, India · Hybrid

  • Developed automated quiz generation platform based on graph traversals. Formulated trend scoring algorithm and graph storage/traversal API in MySQL. Idea got accepted into ID8 and CEO Challenge 2013 at Yahoo! Exposure: Graph Data-stores, Data Mining, Python, Django, PHP, jQuery, MySQL. Team: Media Entertainment Backend
Data MiningGraph Algorithms

Orbitnote

Co-Founder & CTO

Oct 2012Dec 2013 · 1 yr 2 mos · New Delhi Area, India · On-site

  • Built an educational network for academia for collaboration in learning. Developed flexible platform to share educational materials and connect users to sources of knowledge.Ranked among top 18 in Startup Festival, 2013 and incubated at TBI, IIT (BHU) Varanasi. Exposure: Technology for Education, Social Networks, Python, Django. Co-Founder: Abhishek Anand, B. Tech. (EE 2012), IIT (BHU) Varanasi
Collaboration ToolsEducational Technology

Google

Student Developer for Duraspace in GSoC

May 2011Aug 2011 · 3 mos · Online

  • https://wiki.duraspace.org/display/GSOC/DSpace+ClientUI+built+on+RESTful+API+-+GSoC+2011
  • Implemented JavaScript-only UI for Dspace REST API. Engineered Firespark, a service-oriented platform for client side in JavaScript. Exposure: Digital Content Preservation, SOA, REST, jQuery, HTML, CSS. Mentors: Mr. Bojan Suzich, Mr. Mark Diggory (Developers, DSpace) Mr. Tim Donohue (Technical Lead, DSpace)
Web DevelopmentREST APIs

Kaarya llc

Software Engineer Intern

May 2011Jul 2011 · 2 mos · New Delhi, Delhi, India · Remote

  • Improvised web crawler for mining automotive information and rewritten codebase with OOP patterns like factory and builder. Exposure: Design Patterns, Regex, Java, MySQL. Guide: Mr. Gaurav Sharma (President, Kaarya LLC) Mr. Paramdeep Singh (Developer, Kaarya LLC)
Web CrawlingOOP

Education

Indian Institute of Technology (Banaras Hindu University), Varanasi

M Tech (Integrated Dual Degree) — Computer Science & Engineering

Jan 2008Jan 2013

Institute of Management Technology, Hyderabad

PG Certificate — Financial Technologies

Jan 2022Jun 2022

Indian Institute of Management, Calcutta

Executive Program — Applied Finance

May 2017Dec 2017

Fr. Agnel Multipurpose School & Jr. College, Navi Mumbai

HSC — Science Stream (Vocational - Electronics)

Jan 2006Jan 2008

St. Augustine's High School, Navi Mumbai

SSC — Primary - Secondary Education

Jan 1993Jan 2006

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