# Christian Theilemann > Infrastructure + DevPlatform @ Aptos Labs Location: Mountain View, California, United States Profile: https://flows.cv/christiantheilemann Christian Theilemann is a Staff Software Engineer at Aptos Labs with 8+ years of proven track record in enterprise and start-ups across the whole stack, especially using JavaScript (with true ♡ for TypeScript), Node.js, Go and Kubernetes; being equally experienced in concepts, architecture and implementation. Christian thrives in fast moving, lean organizations that prioritize velocity over process. He has a strong focus on automation and productivity improvement by taking advantage of cutting edge technology. Architecting, developing and maintaining entire products or tech components from the first ideas to production on a regular basis make Christian an expert in his field. ## Work Experience ### Staff Software Engineer @ Aptos Jan 2022 – Present | Palo Alto, California, United States ### Staff Software Engineer @ Robinhood Jan 2021 – Jan 2022 | Menlo Park, California, United States Software Platform ### Senior Software Engineer + Tech Lead Sim Analytics @ Cruise Jan 2019 – Jan 2021 | San Francisco Bay Area At Cruise I'm building the internal AV Simulation Platform which helps AV Engineers to efficiently assess the performance and behavior of AV Code and accelerates our Mission to build the world’s most advanced self-driving vehicles. Tech: Go, TypeScript, React, GCP, k8s ### Senior Software Engineer + Platform Architecture Lead @ Solvvy Jan 2017 – Jan 2019 | San Mateo - Designed and build Solvvy’s next-gen cloud infrastructure by moving from legacy AWS EC2 VMs to Kubernetes on GCP with a strong focus on automation / Infrastructure as Code using Pulumi. Performed zero downtime cloud migration of prod. Significantly increased developer productivity, system stability and reduced infrastructure cost by ~70%. Tech: Kubernetes, Docker, Terraform, Pulumi, TypeScript, Python - Modernized ML Training and Prediction stack by leveraging argo on Kubernetes for training pipelines and developed a Kubernetes Operator to automate ML model deployment. Tech: Kubernetes, argo, Go, Python, Node.js - Moved Solvvy’s event ingestion and analytics pipeline from MongoDB to GCP BigQuery - Redesigned and developed Solvvy's authentication and authorization gateway and framework which authenticates incoming requests and enforces fine-grained permissions to ~15 upstream micro-services. Tech: Node.js, Postgres, GraphQL, Redis - Mentored fellow engineers in best practices of TypeScript, Postgres, GraphQL, GCP, k8s and General Systems Design - Developed the first GraphQL API in the company and embraced it as the default choice for newer services - Designed and developed the next generation of the internal Admin UI using React, MobX and Semantic UI in TypeScript - Designed and developed an adapter-based framework and persistent job queue for failure tolerant API integration of Solvvy with 9+ different 3rd party CRMs: Tech: Node.js, MongoDB, TypeScript - Serve as chapter lead for a small team of full-stack engineers. ### Full Stack Software Engineer - IoT Predictive Maintenance @ SAP Jan 2015 – Jan 2017 | Palo Alto - Received for 3 consecutive years the highest employee performance rating - Contributed to architecture, developed and shipped multiple releases of 2 successful enterprise products end-to-end (SAP Predictive Maintenance Foundation and SAP Predictive Maintenance & Service – PDMS ) - Designed and did reference implementation for Asset Context Sharing API in PDMS, which is the UI glue code API for context and interaction sharing between more than 10 loosely coupled services, UIs and customer extensions (SDK). Partially inspired by Android Intents. - Engineered a new approach of (reactive) state management for complex SAPUI5 applications with MobX, successfully applied it in PDMS and consecutively open sourced it - https://goo.gl/GR78VV - Build a SAP HANA Database Client and a database snapshot and mock library for DB integration testing in node.js​ using TypeScript - General UI (JavaScript​) and Backend development of SAP PDMS, based on Java​ and node.js​ micro-services deployed on XS Advanced / Cloud Foundry​, backed by SAP HANA and Sybase IQ - Research and prototyping on Apache Spark​, HANA Vora​, HDFS​, Cassandra​ and other alternatives as large scale storage and transformation pipeline for IoT OT Data. Setup and Administration of a 8-node Hortonworks HDP Hadoop Cluster plus a Spark Standalone Cluster. - CI and CD Infrastructure Automation with Docker, Jenkins​ and Travis Enterprise - Setup and Management of multiple HANA + XS Advanced + PDMS systems on Linux ### Software Developer @ SAP Jan 2013 – Jan 2015 | Walldorf, Germany - Initiated a modernization of SAP's Global Internet infrastructure / removal of legacy proxies despite corporate resistance, which led to significant developer efficiency gains and savings of ~$68 million over 3 years. - Development of SAP PDMS Foundation (Full Stack JavaScript, HANA, SQL) - Trainer for Git + GitHub Enterprise - Research, Setup and Administration of a Kubernetes​ Cluster, mainly used for Application Load ​Testing and Infrastructure Automation in Docker​ Containers - Support and Technical Advisory for the project “Docker HANA Queue​” which is a node.js​ app that schedules disposable HANA Docker Containers onto different Docker daemons for development and testing - Development of a HANA performance optimized and compression friendly Generic Machine Data Model and a prototype for automatic data transformation and feature extraction for Predictive Maintenance algorithms – specifically for time series data sets. Parts of it led to a patent. ### Intern Competence Center SAP HANA @ Mieschke Hofmann & Partner Jan 2013 – Jan 2013 | Ludwigsburg Development of a prototype to analyze and visualize live and historical sensor data of car engine test blocks. SAP HANA / XS / SAPUI5 / Highcharts.js ; SQLScript / JavaScript ### Intern Business Intelligence department @ BridgingIT GmbH Jan 2012 – Jan 2012 | Mannheim Database and BI development in a Microsoft SQL Server landscape. ### Partner / Owner @ savero GbR Jan 2012 – Jan 2012 building a corporate planning & sales planning framework for an Energy Services company. Based on Microsoft Excel, PowerPivot 2012 and extracted Database data. ### Partner / Owner / Consultant @ HRConsult GbR Jan 2011 – Jan 2012 | Mannheim Project based software evaluation and selection of a Business Intelligence and Enterprise PerformanceManagement Software for an aircraft manufacturer ### Intern and Thesis Student @ vericos GmbH Jan 2010 – Jan 2011 | Heidelberg Conception and Development of a planning software for insurance agencies in C#, MDX ### Vacation Job as Research Analyst @ IVOX Europe AG Jan 2009 – Jan 2009 | Karlsruhe Research and analysis of various mostly financial data about listed companies ### Atos Worldline GmbH @ Atos Worldline GmbH Jan 2007 – Jan 2008 Working Student Issuing Processing - Various Financial IT relateded tasks in the Credit Card Issuing Processing ## Education ### Business Informatics University of Mannheim ### Business Informatics Seoul National University ### Bachelor of Science (B.Sc.) in Business Information Sciences University of Applied Sciences Worms ### B. Sc. Business Informatics Baden-Wuerttemberg Cooperative State University Mannheim ### Abitur Gymnasium for Information and Communication Technology ### Friedrich-Schiller-Gymnasium ## Contact & Social - LinkedIn: https://linkedin.com/in/christian-theilemann --- Source: https://flows.cv/christiantheilemann JSON Resume: https://flows.cv/christiantheilemann/resume.json Last updated: 2026-04-12