Def Method

New York, New York, United States

Modernizes high-risk Rails systems for financial services

Founded in 2014 by Joe Leo, Def Method focuses on modernizing high-risk systems where failure can lead to outages, audit findings, or lost business results. The company is recognized for its expertise in handling complex environments, ensuring that critical systems remain operational and secure. With a strong emphasis on financial and compliance sectors, Def Method has successfully modernized systems for clients such as Orum, Paxos, and Citi.

Each engagement begins with a fixed-scope assessment to identify unsafe areas before proposing changes. This methodical approach helps prevent outages and expensive rollbacks, ensuring that modernization efforts are executed safely and incrementally. The team, with an average of 10. 5 years of experience per employee, prioritizes understanding data, security, and core workflows before making any code changes.

Def Method's commitment to quality is reflected in their high client retention rate, with of clients returning for additional projects. Their successful projects include modernizing a high-risk public-facing assistance platform for FloodHelpNY and a sports data platform at Elias Sports Bureau. By focusing on business results-critical and regulated environments, Def Method continues to demonstrate its capability in handling complex modernization challenges.

12
YEARS IN BUSINESS
1
SERVICES

Capabilities

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Local context

Def Method operates in New York, New York, United States serving clients locally and beyond. Agency List organizes firms by geography to help buyers understand the distribution of agencies across regions and markets.

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