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Résumé

Alden Gillespy

Senior Software Engineer · Founder, Radiant Ventures · Filmmaker

Summary

Full-stack software engineer with a production background, now founder of Radiant Ventures, where I build and operate an independent portfolio of web and AI products. I ship scalable applications across frontend, backend, and cloud infrastructure, train and evaluate large language models for leading AI platforms, and bring narrative clarity and cross-disciplinary execution to product and platform work.

Experience

Founder & CEO / Principal Engineer · Radiant Ventures

Jul 2024 – Present

United States · Founder-owned venture

  • Founded and lead an independent product studio, owning strategy, engineering, and delivery across a portfolio of SaaS, marketplace, media, and AI-agent products.
  • Architect and ship full-stack applications end to end with TypeScript, React, Qwik, and Node.js, deployed on Cloudflare and AWS.
  • Build agentic and AI-driven systems, including identity and payments infrastructure for agentic commerce and AI-assisted marketplace automation.
  • Deliver freelance engineering and cloud consulting for external clients — WordPress and React platforms on AWS with Mocha.js and Chai.js QA automation and Amazon EC2 lifecycle tooling.
  • Own product design, infrastructure, SEO, web performance, and accessibility across every brand in the portfolio.

AI Trainer & Data Annotator · AfterQuery · Mercor · micro1 · Alignerr

Jan 2026 – Present

Remote · Contract

  • Train and evaluate large language models across coding, reasoning, and domain-expert tasks for leading AI data platforms, including AfterQuery.
  • Author, annotate, and rank model responses and training data against detailed rubrics to improve model quality, safety, and alignment.
  • Produce high-quality code samples and technical evaluations used in RLHF and supervised fine-tuning pipelines.
  • Apply senior software-engineering judgment to specialized annotation projects requiring expert-level technical review.

Senior Software Engineer · Ancestry

Apr 2023 – Oct 2025

Lehi, UT · Full-time

  • Built and optimized high-traffic React and Redux experiences serving 20,000+ daily visitors, with emphasis on performance and accessibility.
  • Led the end-to-end redesign of the DNA Test Activation flow with a mobile-first React UX that reduced friction and improved completion.
  • Helped architect a high-performance Java service layer that streamlined critical workflows and removed costly operational inefficiencies.
  • Reduced infrastructure overhead and processing time, supported traffic above 100,000 concurrent users, and contributed to millions in annual savings.
  • Partnered with executive stakeholders and cross-functional teams to align technical decisions with business objectives.

Lead Software Engineer · NBCUniversal (GolfNow)

Jan 2021 – Sep 2022

Orlando, FL · Full-time

  • Developed and maintained Node.js microservices supporting booking and content workflows for 1,000,000+ daily visitors.
  • Built automation and unit tests with Mocha.js and Chai.js to strengthen QA coverage and release confidence.
  • Created a JavaScript content-transformation pipeline for AMP-compliant pages, improving mobile load speeds and delivery consistency.
  • Developed Node.js and RabbitMQ ingestion tooling to normalize disparate sources and reduce processing overhead.
  • Helped transition services toward a Docker-first microservice architecture for more consistent deployments and scale.

Developer · Concepta Tech

Mar 2020 – Jan 2021

Orlando, FL · Full-time

  • Built a LAMP-based platform with Apache Solr integration to deliver natural-language search capabilities for the flagship client.
  • Developed and deployed a WordPress platform powered by Elasticsearch, improving search relevance, indexing quality, and performance.

Independent products · Radiant Ventures

Rotavox

Radio SaaS · Early access

Music scheduling and automation for radio — format clocks, separation rules and rotation, built to outclass legacy broadcast tools.

The BOLT

Internet radio · Live

An active-rock Internet radio station and the flagship of the CLUBFM network — and the live proving ground for Rotavox.

Memrey

Consumer AI · In development

Reconstructs meaningful moments from your own digitized media, so you can find — and step back into — them.

Andacity

Travel · In development

Discovery-first travel planning — destinations, hotels, flights and cars assembled around one trip.

Skills

Engineering
TypeScript · JavaScript · React · Redux · Next.js · Qwik · Astro · Node.js · PHP · Java · HTML/CSS
AI and applied ML
LLM training and evaluation · RLHF · Data annotation · Prompt engineering · Agentic systems · AI-assisted development
Systems and product
REST API design · PostgreSQL · SQL and NoSQL · Elasticsearch · Apache Solr · AWS · Cloudflare · Docker · Kubernetes · CI/CD · Web performance · SEO · Accessibility
Production
Cinematography · Shot planning · Editing · Editorial pacing · Lighting · Color grading · Multi-format delivery

Education

B.S., Computer Science · University of Florida

2008 – 2012

Computer science theory and software engineering — algorithms, systems programming, data structures, and web technologies.

A.S., Film & Video Production · Full Sail University

2005 – 2006

Cinematography, editing, lighting, color, and directing.

aldengillespy.com/resume — the live version of this document.

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