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I'm a software developer with a track record of building high-quality, data-driven applications across finance and technology. I enjoy designing scalable architectures, collaborating with teammates, and delivering solutions that empower others to contribute. I’m passionate about clean code, thoughtful design, and delivering results that meet business needs. I’m seeking a software-service or data-oriented role where I can apply my full-stack experience, strong Python/SQL skills, and collaborative approach to help teams succeed and build impactful products.…I'm a software developer with a track record of building high-quality, data-driven applications across finance and technology. I enjoy designing scalable architectures, collaborating with teammates, and delivering solutions that empower others to contribute. I’m passionate about clean code, thoughtful design, and delivering results that meet business needs. I’m seeking a software-service or data-oriented role where I can apply my full-stack experience, strong Python/SQL skills, and collaborative approach to help teams succeed and build impactful products.

Jon Jay Obermark

Full Stack Developer, Back-End Developer, Data Analyst

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I'm a software developer with a track record of building high-quality, data-driven applications across finance and technology. I enjoy designing scalable architectures, collaborating with teammates, and delivering solutions that empower others to contribute. I’m passionate about clean code, thoughtful design, and delivering results that meet business needs. I’m seeking a software-service or data-oriented role where I can apply my full-stack experience, strong Python/SQL skills, and collaborative approach to help teams succeed and build impactful products.…I'm a software developer with a track record of building high-quality, data-driven applications across finance and technology. I enjoy designing scalable architectures, collaborating with teammates, and delivering solutions that empower others to contribute. I’m passionate about clean code, thoughtful design, and delivering results that meet business needs. I’m seeking a software-service or data-oriented role where I can apply my full-stack experience, strong Python/SQL skills, and collaborative approach to help teams succeed and build impactful products.

Available to hire

I’m a software developer with a track record of building high-quality, data-driven applications across finance and technology. I enjoy designing scalable architectures, collaborating with teammates, and delivering solutions that empower others to contribute. I’m passionate about clean code, thoughtful design, and delivering results that meet business needs.

I’m seeking a software-service or data-oriented role where I can apply my full-stack experience, strong Python/SQL skills, and collaborative approach to help teams succeed and build impactful products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Software Developer at Bank of America

April 1, 2024 - April 1, 2026

Resumed previous duties while contributing to side-projects within the working group. Developed metadata schemes to search for dependencies between computed values to coordinate similarly computed values across users using Python. Wrote AI agents to help bank planners analyze contracts and leases and extract patterns using Llama and related tools. Built servers to deliver ticker data from Bloomberg, ICE and other sources while minimizing redundancy across related bank sectors using Python and Doris.

Backend Software Engineer at BiasSync

July 1, 2021 - July 1, 2023

Co-led a small team (3 backend, 2 frontend) for a Learning Management tool serving content and tests. Designed architecture for multi-language service and content; oversaw implementation. Improved testing via custom containerization, reducing CI/CD deployments from 26 minutes to 3 minutes. Modernized database access (SQLAlchemy hooks, SQL views) and began overhauling data design. Communicated progress and techniques to sustain improvements across the team.

Software Developer at Bank of America

April 1, 2015 - December 1, 2016

Shared responsibility for an internal ETL coordination library (Spire) on the Quartz data-management system and related processes. Strengthened reliability by extending ETL language features; expanded interfaces to SQL-like, NoSQL, Cassandra-like, Key/Value, Time-Series sources. Trained and assisted junior staff; introduced gRPC Python wrappers and services to promote gRPC usage across FICC.

Software Developer at SpotOn.com

December 1, 2012 - October 1, 2013

Lean team member on loyalty-management product and POS integration. Implemented full-stack onboarding and upselling features; developed customer tracking; redesigned core components for scalability; redesigned mass emailing systems; extended NoSQL database with SQL for flexibility; supported transition from Backbone.js to Riot front ends.

Software Developer / Consultant at U.S. Tech Source

November 1, 2013 - February 1, 2015

Primary developer on the Equix project to resolve insurance claims efficiently. Used C# / .NET / SQL Server, translating from prototypes in Python / Django / Fuseki & MySQL. Built a full-stack SaaS solution to ingest catalogs, generate loss reports, and match losses to replacements with ordering workflows.

Software Engineer at QSR-Soft

June 1, 2013 - October 1, 2013

Maintained and improved Python code controlling time clocks and biometric scanners; participated in short-term project engagements.

Software Developer at Lakeshore Interactive

December 1, 2012 - February 1, 2013

Maintained CouponCabin.com and related coupons-by-email and savings-blogging products; contributed to Python/Django/JavaScript/Mustache/Mongo stack.

Software Engineer at Socialserve.com

May 1, 2009 - December 1, 2012

Maintained and extended public housing search and social-services interfaces; served as primary architect for tool coordinating medical and shelter bed placements; extended search tools with catchment areas and subsidized landlord classification; used PostgreSQL with PostGIS and full-text search.

Software Engineer at Textura, LLC

August 1, 2004 - January 1, 2009

Developed SaaS web interface improvements for automating contract and lien negotiation in construction. Architected data model, implemented off-system document exchange, increased rollout speed for signable documents, and reduced real-time signer wait from 15 minutes to ~10 seconds; supported aggressive deployment goals.