Andrew Pecha is a fintech engineering leader with nine years of software experience who now directs engineering at Sunrise Banks after progressing through hands-on and managerial roles there. He brings deep .NET expertise building customer-facing web applications and a track record of owning projects from inception through long-term maintenance. Comfortable working across product, project management, and end users, he emphasizes understanding business processes to deliver pragmatic, auditable solutions. Andrew also contributes to open-source infrastructure—improving validation flexibility in the widely used moov-io/ach ACH processing library—demonstrating attention to standards and edge-case handling. Based in Minneapolis, he combines practical engineering chops with a knack for simplifying complex financial workflows.
9 years of coding experience
10 years of employment as a software developer
Associate of Science (AS) Computer Science, Associate of Science (AS) Computer Science at North Hennepin Community College
ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files. The HTTP server is available in a Docker image and the Go package is available.
Role in this project:
Back-end Developer
Contributions:2 reviews, 7 commits, 2 PRs in 2 months
Contributions summary:Andrew primarily contributed to the `moov-io/ach` repository by implementing and refining validation options within the ACH (Automated Clearing House) file processing library. Their work included adding the `AllowInvalidCheckDigit` and `PreserveSpaces` validation options, which involved modifying existing code in multiple files, including `entryDetail.go`, `file.go`, `server/files.go`, and `reader.go`. They also added unit tests to ensure the correct behavior of the new validation rules. These changes enhanced the library's flexibility and adherence to specific ACH file validation standards.
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Andrew Pecha - Director - Fintech Engineering at Sunrise Banks