Proven experience
Years of shipping production software at established technology companies — now working for you.
Software for small business
We focus on making technology accessible to small business
Big-company engineering experience, applied to the tools real small businesses run on. Practical, dependable software — built and explained in plain language.
Why GA Devs
Experience you can lean on
Enterprise-grade engineering, delivered at a scale and a pace that works for a small business.
Real qualifications
Formally trained, credentialed engineers — not guesswork. The right tool, applied the right way.
Plain-language partnership
We explain the what and the why without the jargon, so you stay in control of your technology.
The team
The people you'll work with
Two senior partners who do the work themselves — deeply experienced and genuinely invested in your success.
Heather Wallace
Co-founder & Payroll & Tax LeadPayroll and tax specialist with over a decade of experience helping small and medium-sized businesses stay compliant. Currently VP of Payroll Services at FINSYNC, leading a team that delivers end-to-end payroll across the US.
- B.A. Accounting, Kennesaw State University
- VP of Payroll Services at FINSYNC; Enrolled Agent (EA) & Certified Payroll Professional (CPP)
- Multi-state payroll processing, tax filings & payroll software
Abraham Petrillo
Co-founder & Software EngineerFull-stack software engineer working across every layer of the web stack — from databases and server configuration through to shipping production applications. Currently Chief Technology Officer at FINSYNC.
- B.Sc. Computer Systems, University of Limerick
- Chief Technology Officer at FINSYNC
- Ruby on Rails, PHP (Yii & CakePHP), Sinatra, databases & server infrastructure
Let's make your technology work harder
Tell us what you're trying to do. We'll reply personally and talk it through in plain language — no obligation.