Work Experience
Lead Software Engineer (LMTS), Slack (Salesforce) (Aug 2018 – Present)
San Francisco Bay Area, California
Key Contributions:
Key Contributions:
- Designed and built AI-powered automation & workflow systems for 80,000+ enterprise users.
- Developed Slack bots & LLM-integrated automations, reducing manual workload by 50% in 4 weeks.
- Architected Salesforce approval automation, reducing approval processing time by 85%.
- Led integrations of Slack APIs with JIRA, Workday, Greenhouse, Zoom, and Google.
- Recognized by Slack VP and featured in Slack’s official blog for AI & automation impact.
Software & Web Services Engineer, PayPal Inc. (May 2014 – Aug 2018)
San Jose, California
Key Contributions:
Key Contributions:
- Developed scalable API platforms handling billions of API calls per month.
- Led webhook API integrations for AliExpress, Samsung Pay, and Android Pay.
- Built a **negative test simulator**, improving reliability for PayPal’s payment infrastructure.
- Six-time PayPal Spot Award winner for contributions to developer platform innovation.
Software Engineer, Shutterfly Inc (Jul 2013 – May 2014)
San Francisco Bay Area, California
Key Contributions:
Key Contributions:
- Developed RESTful API services for Shutterfly Digital Cards platform.
- Integrated Order Management System (OMS) across multiple brands.
- Developed a tool for mocking XML-based fulfillment requests for testing.
Senior Software Engineer, Tata Consultancy Services (Nov 2008 – Jun 2011)
New Delhi, India
Key Contributions:
Key Contributions:
- Developed tax processing applications for India's Central Board of Direct Taxes, serving 50M+ users.
- Built automation solutions for income tax record synchronization.
- Led system administration, debugging, and post-production support.
Software Engineer Intern, Demand Media (Jan 2013 – May 2013)
Santa Monica, California
Key Contributions:
Key Contributions:
- Developed responsive UI/UX optimizations for Answerbag.com.
- Worked on consumer-facing web interfaces under Agile development.
Founder & Tech Advisor, Jarvis Technologies (Apr 2016 – Nov 2016)
Santa Clara, California
Key Contributions:
Key Contributions:
- Developed an AI-powered voice assistant platform using AWS, Alexa, and NLP models.
- Won AngelHack San Francisco (2016) Grand Prize and secured accelerator funding.
Founder & Owner, WindowsVJ (Aug 2009 – Jun 2013)
Key Contributions:
- Developed and maintained a tech blog featuring code tutorials, product reviews, and industry insights.
- Integrated Google AdSense, Facebook Plugins, CAPTCHA, and RSS feeds to enhance engagement.
- Revamped UI/UX with a modern, responsive design inspired by Windows 8.
Contact Me

Vasu Jain
Software Developer Engineer
San Francisco Bay Area
California, USA
Email: Vasu Jain