Justin Head Email & Phone Number

Pleasanton, California, Us

Served as a founding engineer and architect for Workday’s workflow and integration product, Workday Orchestrate, including a low-code drag-and-drop workflow builder UI, an asynchronous workflow engine, and back-end APIs.- Key technical lead and mentor for a fast-growing team of now ~20 engineers; provided guidance and feedback on code reviews and implementations in TypeScript, Kotlin, and Scala.- Identified opportunities for streamlined architecture and developed both system designs and project plans for execution. Worked with engineers to kick off a series of rapid prototypes to prove out the designs and get early feedback.- Successfully launched and grew the product through collaboration with customers, product management, UX designers, and leadership on product roadmap and vision. Identified and presented technical solutions for nascent product requirements.- Hosted and contributed to cross-team and cross-organization architecture groups, discussing emerging technical challenges and solutions with broad impact, the largest forum including 50+ engineers. Led multiple working groups on topics such as API performance optimization and integration testing.

Pleasanton, California, Us

Pleasanton, California, Us

Technical lead for two back-end services (Scala and Kotlin) and key contributor to early technical and product architecture for a new workflow product in Workday Cloud Platform.

Pleasanton, California, Us

Founding engineer on a new asynchronous workflow engine in Scala. Built the engine's data serialization, encryption, and storage framework. Proposed and developed significant architectural changes to ensure scalability through CQRS, horizontal scalability, and a cloud-native design running on AWS.

Pleasanton, California, Us

Rotated across three distinct teams and worked on a diverse set of projects within Workday, taking each from ideation to production delivery. Designed a novel data partitioning strategy for distributed background processing to achieve improved task fairness and throughput based on an adaptive algorithm. Built a lightweight serverless lookup API using Go, DynamoDB, and AWS; worked cross-team to facilitate uptake and roll-out in Workday mobile app.

Chicago, Il, Us

Co-founded a successful game server provider supporting millions of players with no outside investment, growing the business from a team of two managing a handful of customers to a team of 10 managing thousands of active customers and over $2M total revenue.- Development lead and architect for our Prisma game server management platform, including front-end and back-end systems built on Angular and Docker, deployed on highly-available AWS web infrastructure.- Responsible for executing on product and marketing strategies to drive growth, including two competitive acquisitions, new product lines, and pricing strategies.- Developed numerous internal software projects to reduce costs, improve user experience, and automate processes.- Maintained a fleet of 100+ physical and virtual servers in 7 countries.- Built relationships with datacenters, service providers, designers, and key customers across the world.

Provided consulting and contract work for web/software development and Linux system administration. Worked with PHP, MySQL, MongoDB, Node.js, Java, and CentOS/RHEL 6 & 7.Provided remote hands assistance in datacenter environments, troubleshooting and repairing Linux-based servers and server hardware, and assisted with datacenter migrations.

Pleasanton, California, Us

Joined an established software development team supporting enterprise HCM application. Lead a project to integrate two systems to facilitate big data analytics and analysis of historical user data from within existing applications, using Java, Apache Hive / Hadoop, and REST APIs.