Infrastructure Software Engineer & Reliability Lead

Christopher Elten Software Engineer Infrastructure Expert Tech Generalist

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Skills

● Go / Golang Python SQL NoSQL Rest GRPC Git Bazel Gazelle S3 GCS GCP AWS OCI CDNs

● Docker Kubernetes Cloud-Computing On-Prem CI/CD Buildkite Jenkins Starlark Django Flask

● Microservices Distributed Systems Security Cryptography PKI EDR Security & Network Engineering Experience Senior Software Engineer Addepar New York, NY. Mar 2020 - Now

● Led multiple initiatives at the nexus of production security & reliability.

● Led the design of production hardware remediation, reducing hardware spend by $22M annually for Addepar’s on-premise. datacenter using microservices orchestrated by a control plane, developed with Go, Postgres, docker and kubernetes.

●Led a team of 9, including engineering, QA, designer, and interns through 12 large releases over a one year period. The team was responsible for scalable data visualizations and Excel report exports (Highcharts, Angular, Javascript, Java, MongoDB).

● Enriched Addepar’s production lifecycle strategy for compatibility with OCI & GCP, driving over $25M annual savings.

● Led ransomware detection and mitigation initiatives end-to-end, managing tradeoffs for production stakeholders and implementing systems that block thousands of potentially malicious activities daily.

● Designed and implemented Addepar’s PKI infrastructure by completely refactoring how ssh certificates are utilized.

● Developed internal bastions and certificate authorities which handle production authorization at Addepar.

● Implemented zero trust and JIT access for Addepar’s production fleet, developed an auditing and approval system with MySQL and a Slack bot, reducing ad-hoc production access by >90%. Software Development Team Lead MindBridge Ai Greater Ottawa Metropolitan Area. Jun 2019- Mar 2020

● Designed and developed Uber’s network flow monitoring system, using C, Go, Java, Javascript, and Elasticsearch to implement an enterprise solution recording 2M flow records/second with 90-day retention.

● Collaborated extensively with the developer of what eventually became elastiflow.com. I presented this network monitoring solution at the 2022 kentik.com annual general meeting in Hawaii.

● Led the development of multiple network monitoring and remediation products, responsible for identifying system requirements ensuring network engineers ability to identify network optimizations and vulnerabilities.

● Developed a full-stack host remediation platform integrated with Jira and Hipchat, decreasing failure TTM by ~50%. Software Developer MindBridge Ai Greater Ottawa Metropolitan Area. Apr 2018 - Jun 2019

● Developed a global Push/Pull CDN serving a thousand concurrent mapping operators 20 hours a day with 99.99% uptime.

● Developed and automated a “cache warming” system that increased global map-making efficiency by 18%, saving >$10M over the life of Uber’s map-making efforts.

● Migrated a 5000 server datacenter with 500PB of map data from Windows to Ubuntu on Mellanox Infiniband in 6 months.

● Architected a standardized data visualization framework (Angular, Highcharts, Java, MongoDB), reducing the number of data visualization libraries required from 3 to 1.

Associate Software Developer Electronic Arts Greater Ottawa Metropolitan Area. Jan 2016 - Dec 2016

● Reported directly to the CTO: led a team of developers orchestrating the electronification of Alaska Department of Revenue’s tax processing systems. Responsible for migrating 15 developers’ changes to production tax systems.

● Developed and staged integrated environments built on top of the Adobe Experience Manager (Node, Play! - Scala/Java, AEM).

● Led load and stress testing efforts for EA.com and franchise sites (Gatling, Jenkins).

● Measured scalability and evaluated site performance for over 100,000 concurrent users (Gatling, Selenium). Web Developer Klipfolio 176 Gloucester St #200 May 2015 - Aug 2015

● Led tech expansion into three new physical stores and a manufacturing plant, while integrating new CRM/POS and VOIP.

● Facilitated digital sales by integrating a web platform, currently comprising >60% of revenue.

● These updates were primary contributors to annual profit increases of ~20% year-over-year.

● Realized mockups and wireframes as a full stack developer (Grails, JavaScript, HTML, CSS) on a web application in an agile environment. Report Developer Library and Archives Canada Greater Ottawa Metropolitan Area. Jun 2014- Aug 2014

●Migrated legacy reporting system containing over 20,000 records previously developed in Crystal Report to Microsoft SQL Server 2012 Reporting Solution (SQL).

Education BSEE: Software Engineering / Management and Entrepreneurship Option University of Ottawa 2013 - 2018 Mentorship

● Tenured member of Addepar Mentors. Formally mentored multiple interns and colleagues in a results-driven fashion.

● Participated in Montana First educational outreach for multiple years.

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