Jovel Crisostomo

VP of Engineering

Seattle, Washington, United States22 yrs 4 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in API development and security management.
Led teams to enhance code security at GitHub.
Proficient in full-stack development across multiple languages.

Stackforce AI infers this person is a SaaS-focused full-stack engineer with strong API and security expertise.

Contact

Skills

Core Skills

Software EngineeringTeam ManagementApi DevelopmentSecurityCloud InfrastructureFull Stack DevelopmentDatabase ManagementWeb DevelopmentSystem Administration

Other Skills

Dependency Graphvulnerability detectionprogrammatic accessfine-grained PATsGitHub APIAPI GatewayEnvoyProxyTerraformAWSGoPythonJavaScriptRubyGrapeSinatra

About

Experiences: server administration, requirements engineering, knowledge management, social software, build and configuration management, mysql administration, python and django development, ruby development, messaging queues, golang, API Gateways, AAA

Experience

22 yrs 4 mos

Total Experience

3 yrs 1 mo

Average Tenure

6 yrs 9 mos

Current Experience

Github

3 roles

Staff Engineering Manager, Supply Chain

Oct 2023 – Present · 2 yrs 8 mos

Manages the Dependency Graph team in charge of helping all developers secure their code by mapping their dependencies and detecting any vulnerabilities

Dependency Graphvulnerability detectionSoftware EngineeringTeam Management

Staff Engineering Manager, Identity

Promoted

Mar 2020 – Oct 2023 · 3 yrs 7 mos

Managed the Apps team in charge of programmatic access to GitHub - because 🤖 are users too. Provided pathways for developers to securely build services and other automations on top of GitHub. Launched fine-grained PATs.

programmatic accessfine-grained PATsAPI DevelopmentSecurity

Staff Software Engineer

Sep 2019 – Mar 2020 · 6 mos

Joined the GitHub API team

GitHub APIAPI Development

Twilio inc.

Principal Engineer

Feb 2019 – Jul 2019 · 5 mos · Remote

Built next-gen API Gateway using EnvoyProxy and Terraform on AWS. Maintained SendGrid’s Identity architecture on-prem and in AWS. And other platform shenanigans

API GatewayEnvoyProxyTerraformAWSAPI DevelopmentCloud Infrastructure

Sendgrid

Sr. Software Engineer

Mar 2014 – Feb 2019 · 4 yrs 11 mos

Full stacked developer using Go, Python, Javascript, and sometimes Ruby. Worked on customer portal, subscription management system, and Identity management (i.e. built the authentication and authorization services)

GoPythonJavaScriptRubyFull Stack Development

Onescreen

Sr. Software Engineer

Oct 2012 – Dec 2013 · 1 yr 2 mos

API development using Ruby, Grape, and Sinatra. Ad server integration using AWS SQS. MySQL data migration.

RubyGrapeSinatraAWS SQSMySQLAPI Development+1

Fuhu, inc

Sr. Software Developer

Oct 2011 – Sep 2012 · 11 mos

API development using Django/Python. FoozKids site front-end development using CSS/HTML/Javascript. Launched eCommerce site and coordinated supply chain for: store.nabitablet.com.

DjangoPythonCSSHTMLJavaScriptWeb Development

The aerospace corporation

3 roles

Programmer Analyst

Aug 2010 – Oct 2011 · 1 yr 2 mos

In charge of build, configuration, deployment and maintenance of business applications in dev, staging, and production environments.

buildconfigurationdeploymentSystem Administration

Network/System Admin Assc.

Aug 2007 – Aug 2010 · 3 yrs

Involve in development to deployment of several social software for the enterprise.

social software

Undergrad Technical Support

Jun 2003 – Dec 2006 · 3 yrs 6 mos

Worked for the Knowledge Management office doing knowledge transfer research and web development.

Uc irvine

2 roles

Housing Assistant @ Arroyo Vista Housing

Aug 2006 – Jun 2007 · 10 mos

Student development, peer advisor, event coordinator. Received Outstanding Service by
an Undergraduate award.

Undergrad Researcher

Aug 2004 – Jun 2007 · 2 yrs 10 mos

Work as an undergrad researcher for Professor Alspaugh under the Informatics Department. Research focused on combining requirements documentation with stories and narratives. Receive Chancellor's Award for Excellence in Computer Science research and Outstanding Contribution
to Research.