William (Liam) Conrad, Staff/Principal Engineer

100 S Van Buren St, Stoughton, WI 53589
608.466.0831

Sr Software Engineer (Architect role)Sk3w Technologies, Inc July 2022 - Oct 2024

  • Drove architecture to production readiness, supporting successful pilot evaluations across multiple industry stakeholders.
  • Championed and owned the control-plane architecture for an FPGA-based fiber optic network device, synchronizing memory maps, protocol handling, and latency control to deliver reliable profiling of fiber optic cross-connects.
  • Partnered with electrical engineers to harmonize FPGA memory mappings with software accessors, achieving seamless hardware-software integration and functionality.
  • Engineered a data smoothing layer that reduced measurement jitter by 70–80%, improving device accuracy, stabilizing latency updates, and de-noising real-time latency reporting.
  • Developed and implemented a robust communications protocol to streamline interactions between the software plane and attached fiber optic switches, facilitating robust interoperability and performance.
  • In collaboration with the CTO, architected a flexible, JSON configuration format for control plane services, and ensured standardized, fault-tolerant upgrade paths for system configurations.

Technical Architect Altruize Nov 2021 - July 2022

  • Championed adoption of FIPS SP 800-207 zero-trust architecture, leading technical strategy and implementation phases across the company’s infrastructure.
  • Pioneered transition from traditional geospatial querying to Uber’s H3 indexing, improving proximity assessments and choropleth visualizations through successful proof-of-concept and implementation.
  • Designed and implemented a robust secrets management service on EKS, enabling secure, efficient sharing of sensitive data across distributed infrastructure.
  • Articulated complex architectural strategies to diverse technical and non-technical stakeholders, ensuring clarity and alignment across product, engineering, and leadership teams.

Sr Backend Engineer Fetch Rewards Dec 2020 - Oct 2021

  • Architected and led development of the graph database architecture and surrounding services for a new social graph platform, optimizing data structures and queries in AWS Neptune for performance and scalability.
  • Designed and implemented a Go-based service API, enabling secure and efficient access to graph data for mobile and backend services.
  • Engineered high-performance data management tools for AWS Neptune, including rapid deletion and efficient bulk loading, significantly improving database throughput and operational efficiency.
  • Developed Go-based AWS Lambda functions to maintain real-time data synchronization across services via SNS subscriptions, ensuring data consistency across the social graph.
  • Authored Scala-based ETL pipelines with Apache Spark to process large-scale Parquet data loads, accelerating data ingestion and enrichment workflows.
  • Drove system optimization and production readiness for launch, contributing to improved query performance, data integrity, and cross-service reliability.

Sr Software Engineer Zendesk Aug 2017 - July 2020

  • Served as Security Champion for the organization, driving architectural reviews and risk assessments across engineering and security teams to enhance system security and resilience.
  • Led backend and data architecture for a major customer-facing product launch, designing system integration for complex cross-system data migration and global service reliability.
  • Authored and open-sourced cidrtool CLI to address IP allow-listing challenges, improving internal security practices and contributing to the broader engineering community.
  • Developed internal OAuth2 MAC authentication module, enabling secure inter-service communication and simplifying adoption of enhanced security protocols across teams.
  • Authored first Architecture Decision Record (ADR) for Guide Automated Translations, establishing engineering documentation standards and promoting architectural clarity.
  • Refactored core internal services for automated translation and vendor integration, improving performance and reliability of the public-facing Zendesk Help Center.

Earlier Experience Feb 2012 - Aug 2017

  • Administered FreeBSD server clusters across multiple datacenters
  • Database engineering and management (MySQL, Postgres)
  • Wrote and maintained various front end applications (ReactJS, Angular, VueJS, custom)
  • Wrote, maintained, and performed complete refactors of various backend services (Golang, PHP, NodeJS, Perl)
  • Managed various VOIP systems (Asterisk, 2600hz, IVR scripting in TwiML)
  • Implemented service failover across datacenters using Consul service advertisement behind DNSMasq
  • Maintenence of public-facing brand sites
  • Development of new internal applications to improve business-customer relations
  • Architecture and development of encrypted file sharing platform
  • UX and Design of client application emphasizing simplicity and purpose within its workflow
  • React quickly to resolve high priority customer requests, frequently with same-day turnaround
  • Communicate frequently and transparently with BAs and product owners to assess design and development goals, and break down any challenges faced in a manner that is both detailed and customer-friendly
  • Engage directly with the customer/stakeholder to better assess the customer's workflow and process requirements, and generally provide a positive face to support a quality customer-engineering relationship
  • Define code-quality standards which maintain legacy browser compatibility (via build processes) while taking advantage of the latest ECMA and CSS feature sets
  • Prioritize feature-sets and implementation methods to achieve successful product launches under strict deadlines
  • Promote the professional development of teammates by providing guidance of advanced development patterns in both frontend and backend, and real-world code exercises relating to challenges solved in the existing codebase