r/fintechdev is a subreddit with 4k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses fiserv, fintech, co founder, looking for project partner, and financial planning apps.
Welcome to /r/fintechdev,
the community for engineers and everyone who builds fintech products. We discuss fintech system design, APIs, design patterns, platforms and programming languages, career in fintech
Popular Themes in r/fintechdev
#1
Solution Requests
: "Seeking Fintech/Philtech Collaboration and Initial Funding"
8 posts
#2
Advice Requests
: "I built an open-source Synthetic General Ledger Fuzzer to break accounting pipelines and catch reconciliation bugs (Looking for feedback)"
5 posts
#3
Self-Promotion
: "I’m building GoalBay — a personal finance app with family sharing at its core"
1 post
Popular Topics in r/fintechdev
#1
Fiserv
1 post
#2
Fintech
1 post
#3
Co Founder
1 post
#4
Looking For Project Partner
1 post
#5
Financial Planning Apps
1 post
#6
Payment
1 post
Member Growth in r/fintechdev
Yearly
+3k members(165.8%)
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About
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Last updated: September 22, 2026