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When financial software has to be right the first time

Our senior teams partner with finance organizations to reduce delivery risk, strengthen internal teams, and build high quality and compliant software.

Let's talk about your project
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We realized thoughtbot were the best people to work with to build advanced product features and add critical test coverage. The benefit was quickly evident to us in re-building a leaner and more capable codebase.

A headshot of Aveedibya Dey

Aveedibya Dey CTO, Neon, Credit Platform

Deep financial industry experience

A trusted industry partner

Trusted by financial organizations building and operating under regulatory constraints. thoughtbot has been able to help them:

  • Avoid major delivery delays during platform modernization
  • Improve data reliability supporting audits and reporting
  • Achieve faster, more predictable releases after stabilizing foundations
  • Reduce operational overhead through system consolidation

thoughtbot didn’t just tell us how to do things, they showed us why you should do it. That’s what makes people adopt faster.

A headshot of Mandy Fick Anderson

Mandy Fick Anderson Director of Engineering, Vestmark

Hands-on engineering expertise

Building reliable and durable financial software

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A closeup of a person's face wearing glasses. A fever line chart in green and red is reflected in their glasses.

Featured Case Study

Vestmark

Vestmark needed a partner to rebuild a critical financial platform in Rails. The team now operates with clear standards, faster iteration cycles, and confidence in their technical decisions.

Reduce risk in Fintech

thoughtbot’s industry experience reduces risk for your fintech

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Direct Impact

Senior, hands-on teams working inside production financial systems

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Audit Readiness

Architecture designed for data accuracy, auditability and long-term reliability

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Regulated Delivery

Onshore delivery that meets security and regulatory requirements when it matters

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Knowledge Transfer

Outcome ownership paired with knowledge transfer that strengthens internal teams

Award nominated development

Modernizing legacy financial systems without breaking trust

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Some British Pound notes and coins on a black background.

Featured Case Study

British Business Bank

Banks and wealth platforms can’t “move fast and break things”. They need improvements that preserve reliability, data integrity, and confidence.

We established a great roadmap for our app. We got a good framework for sequencing work between different teams so that we could manage dependencies easily and deliver new features.

A headshot of Sergio Rabiela

Sergio Rabiela VP of Technology at Beyond Finance, Debt Consolidation

Why thoughtbot

When reliability, trust and delivery are non-negotiables

Finance leaders often engage with us when technical decisions will impact customer trust, regulatory exposure, or leadership confidence.

  • Legacy banking systems limiting adaptability
  • Data inconsistencies affecting reporting or reconciliation
  • Payments scale exposing reliability gaps
  • Upcoming audits or regulatory reviews

Let's Talk

What does success look like for your Fintech project?

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