Sean Neilan

Los Angeles, CA
sean@seanneilan.com

I am a polyglot with experience working in multiple programming languages such as Typescript, Javascript, Python, Java, C++ and Clojure. I enjoy building new programs in my free time and keeping up with new frameworks. I am always interested in the next wave of technology!


Experience

Senior Software Engineer

Getfliff.com

Working in a three million line legacy Python environment. Built and QAed a streaming live baseball bet proposal importer from the ground up using Kafka, Postgres and Django. Mentoring and teaching other developers how to work in legacy code.

May 2023 - Present

Senior Software Engineer

Jock MKT

Scoping a system design based on requirements given and building a KYC (know your customer) compliant digital banking system with anti-money laundering technology from the ground up. Working directly with internal traders to develop market making strategies such as IPO shorting, increasing the number of shares users can buy and elevating revenue. Working on a distributed microservices architecture with a team.

January 2022 - May 2023

Senior Software Engineer

Trellis Research

I built an API to aggregate cases from thousands of court sites into one place. Implemented and architected payment handling including subscription flow, upgrades, pausing, credits, billing, receipts and account mgmt. Overseeing junior software engineers and assisting with problem solving when needed.

November 2019 - December 2021

Senior Digital Application Developer

Mérieux NutriSciences - North America

I provided vision and technical leadership to the team in order to build a BI dashboard that gives food manufacturers data driven assurances that their food is meeting FDA standards. Made 10X speed improvements by porting javascript code into SQL. Assumed DBA responsibilities with full production access to real world data.

May 2017 - October 2019

Senior Frontend Software Engineer

Strive Consulting, LLC

I built a learning management system from scratch to bring financial professionals up to date with the regulations in the banking industry. I created pixel-perfect pages using best practices in CSS/HTML code organization. I also devised a tree-based course navigation system and created search capabilities allowing management of courses consisting of thousands of lessons and sub-lessons.

May 2016 - April 2017

CTO / Co-Founder

Build This, LLC

I created a digital agency that transformed the desired specifications from a customer into an MVP within two weeks to one month on average. Founded the company and grew it to a profitable peak revenue of 300k/year. The company still exists and has achieved a market niche in wordpress sites.

June 2014 - December 2016

Junior Devops Engineer

tradeMONSTER Group Inc.

I built a data warehouse to track marketing leads, inbound customer phone calls, trades, user signups and mobile app downloads in real-time for FINRA and C-Level reporting, enabling better insight into the sales funnel and future revenue growth. I supported and maintained batch systems for processing trades, margin calls, accounting rules, stock and option downloads, symbols and news reports across multiple development environments by providing 24/7 on call support to developers and maintaining software knowledge of the entire system.

June 2012 - March 2014

Education

DePaul University

Bachelor of Computer Science
August 2006 - May 2010

Interests

I write software for work and for fun! I'm always interested in building new systems, big or small. Here is small sample of software I have recently constructed just for fun. Feel free to check it out!

If you have a request, let me know in the box below!

I also love spending time with my family and I'm obsessed with my two amazing kids!