BRIAN SPIEGEL
Senior Software Engineer
EXPERIENCE
MAGPIE
2022 — 2025Principal Software Engineer | Bozeman, MT
Served as the first internal engineering hire and a core technical architect for MAGPIE, leading the platform's transition from a no-code Bubble app to a highly scalable cloud infrastructure. I drove the strategic technology roadmap and managed engineering resources, scaling the system to support hundreds of active collectors and dealers, directly contributing to the company's successful acquisition by 130Point in March 2025.
- Oversaw migration of acquired trading card catalog, transforming over 25 million records to DynamoDB and OpenSearch system, enabling millisecond retrieval and natural language search.
- Created internal tools for white glove service support and client inventory processing, cutting time spent by 75-80%.
- Engineered core system capabilities by integrating a dozen mission-critical APIs across e-commerce (Shopify, eBay, Square), Al image recognition (Ximilar, Rekognition), cloud infrastructure (AWS), and collectibles grading (PSA, Beckett, 130Point).
- Designed and implemented internal GraphQL and RESTful APIs around critical functionality and business logic to support our flagship web application.
- Engaged directly with customers over email and Zoom calls to identify pain points, troubleshoot issues, and deliver tailored solutions that improved satisfaction and strengthened client relationships.
- Developed the engineering team by leading the interview process and providing structured onboarding and mentorship to accelerate the ramp-up of new hires. Coordinated an external development team, managing specs, progress, resources, and deadlines.
- Accelerated team velocity by establishing robust technical documentation—including ERDS and system diagrams—and generating critical data reports for business stakeholders.
- Represented MAGPIE as a candidate at the 43North Accelerator Program competition in Buffalo, NY.
Halograph
2013 — 2020Senior Software Engineer | Washougal, WA
Halograph was a payments anti-fraud solution based on machine learning that offered exceptional accuracy and relevant recommendations that fit any business case. The product provided multi-channel revenue analytics, superior fraud control and universal payments administration without sacrificing ease of integration.
- Developed and maintained robust, customer-facing web applications using the Play Framework (Scala) and Bootstrap, delivering secure B2B onboarding and management dashboards. Later migrated the entire enterprise application to AngularJS.
- Reduced average manual fraud review times by 40% with a unified payments administration dashboard that mapped complex behavioral relationships (devices, IPs, credit cards, geolocation) to surface fraud rings, presenting intuitive and actionable analytics for end-users.
- Developed resilient device fingerprinting that unified multiple storage tracking methods (Cookies, HTML5 Local Storage, Flash LSOs, IP signatures) to identify users accurately, even during active evasion attempts.
- Successfully navigated a rigorous selection process to join the EvoNexus accelerator program, executing on aggressive product milestones and business development goals to graduate from San Diego's leading startup incubator.
AnythingSocial
2011 — 2012Senior Software Engineer | San Francisco, CA
AnythingSocial was a mobile and Rails software consultancy focused on viral Facebook consumer applications.
- Interfaced directly with key clients to architect and deliver custom solutions, translating conceptual business requirements into an actionable technical roadmap.
- Served as the foundational in-house engineer for Luvocracy, building its core technology platform. Luvocracy was subsequently acquired by @WalmartLabs (Walmart.com).
Bebo
2007 — 2010Senior Software Engineer | San Francisco, CA
Bebo was the second largest social network in the world when acquired by AOL in May, 2008. At its peak, Bebo registered 250,000 people/day. The website, at the height of its popularity, overtook Myspace to become the most widely used social-networking website in the United Kingdom, eventually registering at least 10.7 million unique users.
- Architected a dynamic internationalization (i18n) engine and custom translator dashboard, utilizing regex-based extraction to efficiently process complex grammatical rules including dynamic verb forms and gendered pronouns—across real-time activity feeds.
- Managed a dedicated translation team to successfully localize and launch the platform across six major European markets (Spanish, French, German, Italian, Polish, Dutch), implementing growth-minded marketing campaigns to accelerate international user acquisition.
- Led the technical execution of a high-profile, co-branded launch with Gazeta (Poland's largest media company), traveling to Krakow to align international engineering, marketing, and business stakeholders on launch prioritization and strategy.
Xoom
2004 — 2007Software Engineer | San Francisco, CA
At Xoom, a leading digital money transfer and international remittance provider, I developed robust financial and data systems. My work centered on architecting OLTP general ledgers, scalable multi-currency accounting platforms, and data-driven CRM integrations that directly supported global operations and customer retention.
- Redesigned the core financial accounting platform by developing an OLTP general ledger system for precise lifecycle tracking and point-in-time snapshots of critical financial exchange data (FX rates, fees, disbursements).
- Built an extensible, multi-currency accounting and reporting system for our remittance network, featuring real-time virtual account tracking, modular accounting for unique report types, summary and detail reporting, and flexible scheduling.
Jdate (Spark Industries)
2003 — 2004Software Engineer | Los Angeles, CA
Jdate is a highly-regarded online dating service aimed at Jewish singles. The service is one of a number of demographically focused online match-making websites operated by Spark Networks, including Christian Mingle, LDS Singles, and Zoosk.
- Replaced legacy Microsoft mail servers with an optimized Linux/Postfix solution, doubling throughput to 5M messages/day on half the hardware while saving $170,000 in planned infrastructure and operational costs.
- Coordinated with the Product Team and major ISPs to minimize the likelihood of our messages being filtered as SPAM, improving our customer reach and reducing reports of filtered messages by 90%.
Yahoo!, Inc.
2000 — 2003Software Engineer | San Francisco Bay Area
Core engineer on the Yahoo! Mail team during a period of tremendous growth, when Yahoo! Mail became the #1 worldwide email service provider.
- Administered a high-availability, global email infrastructure of 2,000+ servers, providing 24/7 Tier-3 escalation support for all inbound, outbound, and anti-SPAM routing.
- Engineered and deployed core in-house MTA (Mail Transfer Agent) and statistics software, notably driving the international launch and end-to-end operational ownership of Premium POP and authenticated SMTP services in Taiwan.
- Architected a whitelist tracking and IP management system that ensured sender legitimacy, reducing whitelist size by 90% and drastically decreasing user SPAM.
- Stabilized the Personal Address Premium Service—responsible for distributing virtual domains and address databases to all MTAs—achieving over 12 months of zero-maintenance uptime.