# Sylvestor George

> Staff Engineer and Technical Lead at Slack

Location: San Jose, California, United States
Profile: https://flows.cv/sylvestor

Think of me as the Swiss Army knife of developers – versatile, always handy, and capable of handling any challenge thrown my way. Currently, I'm the Tech Lead of the Developer Workspaces team at Slack, focussing on how developers work efficiently and reliably, making Slack the best place to work for developers. 

I'm an efficient, reliable, and motivated Full-Stack Developer with about a decade of experience in various software development roles. My passion for tech drives me to learn and adapt to new tools and technologies, ensuring I stay ahead of the curve and deliver top-notch, innovative solutions.

## Work Experience
### Staff Software Engineer @ Slack
Jan 2018 – Present | San Francisco Bay Area

### Senior Software Engineer @ Slack
Jan 2018 – Jan 2022 | San Francisco, California

### Software Engineer @ Cisco
Jan 2016 – Jan 2018 | San Francisco Bay Area
• Worked on multiple projects with Cisco DevX team.
• Developed RESTful APIs using multiple frameworks such as Spring, tornado, flask and NodeJS/expressJS
to provide efficient back-end support for applications.
• Designed/Developed a distributed log analysis system for long running build jobs using logstash and
Kafka. This allowed real-time error detection for build jobs, saving valuable time of Developers.
• Part of developing a collaborative tool for pro-active code change analysis. This helped peers working
on the same code to detect potential merge-conflict in advance to their code submission.
• Contributed in developing code submission workflow tool that developers could use to submit their
code. The tool triggered/performed required tasks that are needed for the code approval to be
eventually merged. Developers could check status of their submissions through a web UI.
• Lead Cassandra Data Modeling for multiple applications and drove Kafka Implementation for
performing several background tasks using Kafka Producer/Consumer.

### Software Engineering Intern @ DataStax
Jan 2015 – Jan 2015
Developed Cassandra Validation Harness (CVH), a test running tool designed to simulate a 
production cluster and environment. Real workloads will be running concurrently alongside administrative operations, allowing developers to test if the interaction of multiple features produces novel bugs.
Worked on open JIRA tickets for Apache Cassandra and multiple DataStax internal tools such as CCM (Cassandra Cluster Manager),  CTool , cstar_perf, etc.

### Graduate Assistant @ San Jose State University - CIES
Jan 2014 – Jan 2015
Providing IT support at the College of International and Extended Studies.
Working on implementation and maintenance of multiple CRM systems (Terra Dotta, Hobson’s, etc.) being used by the department.
Created online forms using HTML, CSS and JavaScript that are currently live on SJSU website http://cies.sjsu.edu/partner/ and http://cies.sjsu.edu/student/

### Systems Engineer @ Infosys
Jan 2011 – Jan 2013
Worked as an Oracle Apps DBA

Responsibilities:
Developed and deployed java programs in both production and non-production environment
Reviewed and approved jars before deploying them in production environment
Reduced manual work by writing scripts to automate monitoring tasks such as checking daily health report, weekly cloning scripts, etc.
Supported and maintained of Oracle E-Business (RAC/Non-RAC), Planning(ASCP) and Siebel(RAC) production and non-production environments
Cloned database and applications
Backed up and restored using RMAN
Troubleshooted SSO related user login issues
Patched database and applications using opatch/adpatch utility
Deployed PL/SQL packages, procedures and forms
Administered Oracle database and applications using AD utilities
Monitored and maintained file system utilization, CPU usage, swap space consumption, concurrent manager throughput and long running jobs
Prepared shell scripts and scheduled them using cron jobs
User Account/Security management

### Technical Support Consultant @ iYogi Inc.
Jan 2010 – Jan 2010
Provided technical and general support for Desktops/Laptops
Provided support for Windows and Linux operating systems
Installed, configured and maintained printers and print servers
Helped customers diagnose and fix hardware/software errors and configured OS settings
Installed and configured personal routers and switches
Helped resolve problems with MS Office and different multimedia players
Provided excellent customer service and answered all helpdesk questions


## Education
### Master of Science (MS) in Computer Software Engineering
San José State University

### Bachelor of Technology (B.Tech.) in Electronics and Communications Engineering
Punjab Technical University


## Contact & Social
- LinkedIn: https://linkedin.com/in/sylvestor88

---
Source: https://flows.cv/sylvestor
JSON Resume: https://flows.cv/sylvestor/resume.json
Last updated: 2026-04-12