# Ryan A. Mahaffey > Staff Software Engineer, Platform Builder and Team Lead at The Trade Desk Location: San Francisco, California, United States Profile: https://flows.cv/ryanamahaffey Software Engineer (mostly Infra/Backend, some Frontend): I strive to write clean, functional, and well-tested code. I do so in a variety of languages and frameworks while implementing a DevOps methodology. I manage large-scale as well as small-scale deployments and implement Software Development Lifecycle (SDLC) best practices through Behavior Driven Development (BDD), Agile, Scrum, etc. Cloud Platforms: AWS, Azure, GCP OS: Linux, MacOS (happily) Windows Server (begrudgingly) Languages: Python, Typescript, Bash, Go, HTML/CSS Frameworks: Node, React Tools: Docker, Kubernetes, Istio, Terraform, Hashistack (Consul, Vault), Ansible, Packer, Vagrant, CircleCI, git, NewRelic, Datadog, Twilio Databases: MongoDB, MySQL, PostgreSQL, Elastic Stack, Redis Messaging: Rabbitmq, SQS, SNS, Redis PubSub Concepts: AJAX, MVC, REST/SOAP/gRPG APIs, Static and Security Analysis, Cloud Architectures Experience in software development, cryptocurrency, pharmaceuticals/health care (HIPAA), engineering, real estate, and scientific research. Has architected and estimated/met deadlines for large-scale projects for multiple clients. ## Work Experience ### Staff Software Engineer @ The Trade Desk Jan 2025 – Present | San Francisco Bay Area Team Lead. Platform Building. Guardrail Setter. Interface Architect. Self-service tools. Full Stack Development. Distributed Systems Engineering. Infra and more ### Senior Software Engineer @ The Trade Desk Jan 2022 – Jan 2025 | San Francisco Bay Area Software Engineer, Infrastructure Creating abstractions, apps, and automation for Linux, Kubernetes and the cloud with custom tools written in TypeScript, React, Jsonnet, Go, C#, Ruby and Python. Chef, Terraform, Ansible, Bash, Docker, Packer, Linux, Windows AWS, Azure, Alibaba, GCP ### Staff Software Engineer @ Unqork Jan 2022 – Jan 2022 | San Francisco Bay Area ### Senior Software Engineer, Platform Control Plane @ Unqork Jan 2021 – Jan 2022 | San Francisco Bay Area Built, planned, and architected a control plane/distributed system to manage hundreds of K8s clusters, which host thousands of customer environments. Team founder and lead interviewer Languages TypeScript Python Platforms K8s Lambda ECS Fargate Continuous Integration/Deployment Ansible Bitbucket pipelines Drone CI Infra as Code/Automation Helm Terraform Ansible (AWX) Database DynamoDB (events too!) MongoDB Redis Queuing RabbitMQ Monitoring/Logs Datadog Cloud AWS, Azure ### Senior Software Engineer, Infrastructure @ Unqork Jan 2020 – Jan 2021 | New York, New York, United States ### Lead Senior Site Reliabilty Engineer @ Mymo Jan 2019 – Jan 2020 | New York, New York, United States Acting CISO - led partner comms in relation to internal security. Created compliance framework, inventory et al. Architected and implemented migration from a HIPAA/HITRUST/SOC2 compliant containers PaaS (Aptible) to an in-house/self managed Kubernetes (Kops) deployment on AWS while maintaining compliance. Reduced cloud costs by well over 90% while simultaneously increasing our compute resources by 10 fold. You could say that we were overpaying our previous PaaS… Utilized all of the latest and greatest toolkits to complete this migration. A laundry listing: Terraform, Vault, Consul, Packer, Ansible AWS networking, storage and compute expert Maintained CI/CD pipelines with CircleCI and Spinnaker. Legacy Platform used GitFlow. Supporting new school services used trunk based development. Parallelized integration tests speeding them up by 10x Led migration from SumoLogic to our own in house EFfK logging stack. Saving 85% in logging costs. - Elasticsearch - FluentD - FluentBit - Kibana - Daily S3 logs snapshots with archival to S3 Glacier with Cross Region Replication and storage for 7 years to meet HIPAA and contractural requirements Maintained and created VPN mesh with partner hospitals Languages: Bash/sh, JavaScript (Node/React), python Data: PostgreSQL, S3, Elasticsearch, Redis IPC/distributed systems: Rabbitmq, Celery ### Senior Software Engineer @ Mymo Jan 2018 – Jan 2019 | New York, New York Django, python, rabbitmq, celery, redis, postgresql, s3, JavaScript, etc. also managed/owned our various PaaS and SaaS infra tools. Networking, Compute, Logging, Data ### Co-Founder @ Crypico Jan 2017 – Jan 2019 www.crypico.com (Defunct) https://youtu.be/9QT7GcKrlGk • Created gigs marketplace where freelancers can earn 20 cryptocurrencies with integrated wallets – 0% TXN fee • Marketed website through various online means and pitched company at competition with co-founders • PHP, JS and React tech stack, complete with 2FA, profiles, chat, forums and gigs, also built Marketbarker.com blog • Created banner ads with Illustrator for other crypto related businesses to fund both websites’ day-to-day operations ### Software Engineer @ Genesis Research Jan 2017 – Jan 2018 | Hoboken, New Jersey, United States • Engineered and architected backend for multi-tenant app, including DB, search indices, message queues, and caches • Mentored and collaborated with new developers, helping with React, Redux, build managers (Webpack), and CSS • Performed as Ubuntu sys admin, compiled and configured executables, also executed critical server upkeep functions • Integrated a CI workflow using Jenkins with Docker, instituted proper version control practices using Git Projects Large-scale interactive portal for pharmaceuticals • Data driven presentation of epidemiological info and key facts that support product value in an easy to digest format • Built with Django REST framework and MySQL with various custom and third-party middlewares and packages • Implemented Elasticsearch for fuzzy searching of data and parsed PDFs with thumbnails from ImageMagick • Applied Test Driven Development (TDD), caching with Redis, and utilized parallel processing with RabbitMQ/Celery • React with Redux frontend with custom tailored responsive CSS, which was pixel perfect to the wireframe UX designs Genesis FileUploader • Internal company secure drop box for any type of file complete with user tracking analytics • Built with Django REST framework and MySQL with various custom and third-party middlewares and packages • React with Redux frontend with custom tailored responsive CSS, completely designed on my own • Utilizes JWT and token authentication ### Systems Consultant @ Murph Consulting Jan 2017 – Jan 2017 | New York, New York • Advised clients on IT and software solutions • maintained software, networking, security, databases and storage for 100s of Windows, MacOS, and Linux devices • Managed Active Directory, SSO, and LDAP for various domain networks and made recommendations to client IT staff • Diagnosed and fixed errors with information found in the event viewer logs • Took part in MySQL DB administration for various clients ### Research Engineer @ Sotera Defense Solutions, Inc. Jan 2012 – Jan 2016 | Washington D.C. Security Clearance: SECRET NEMESYS Railgun Engineering Team: • Maintained relational database (MySQL), created visualizations and analyzed trends using Python with Pandas, in order to make materials recommendations • Led project on high-voltage, high-amperage fuse rebuilding, saving months of downtime for the project essential capacitors and $150,000 in costs • Assisted with the soldering of electronics in brand new battery banks for the purpose of multiple-shot per minute railgun operation • Operated various shop machinery including: arc-welders, lathes, bandsaws, tablesaws, bead blasters, drill presses, and others IR Fiber Optics Research: • Independently filtered and mixed numerous very high purity chemicals in a clean room to manufacture Spinel glass lenses for Infrared wavelength laser light experimentation • Extensively tested glass lenses for non-conformities with IR microscope camera • Conducted experiments using the processes of Thermo-Gravimetric Analysis and spectroscopy, created advanced Excel macros for data management and manipulation • Assisted in the operation of Scanning Electron Microscopes, X-ray Diffractometers, and Confocal Microscopes ## Education ### Bachelor of Science (BS) in Physics University of Maryland ### High School Diploma - Cum Laude Mercersburg Academy ## Contact & Social - LinkedIn: https://linkedin.com/in/ryanmahaffey - Portfolio: https://www.ryanmahaffey.com - Portfolio: https://www.crypico.com - Portfolio: https://www.marketbarker.com --- Source: https://flows.cv/ryanamahaffey JSON Resume: https://flows.cv/ryanamahaffey/resume.json Last updated: 2026-03-31