Who is MANTL?

MANTL is a fast growing NYC-based FinTech SaaS company helping banks and credit unions grow. Community banks and credit unions play an important role in the US economy and at MANTL we are passionate about preserving that. Our mission is to use technology to level the playing field in banking. We do that by creating banking software that empowers banks and credit unions to grow digitally.

Our flagship product, Online Account Opening, has quickly become considered best in class in our industry, showing clear and material performance beyond any of our competitors. We have agile teams, with clear, outcomes-focused goals. Suffice to say, our customers love us. 

Since launching our first product in 2017, we have built several new products, tripled our headcount, and become cash-flow positive. 

Who makes up our team? 

We strongly believe people are our most important asset and the number one reason we all work at MANTL. As a team, we value accountability, transparency and collaboration. 

We’re a group of passionate technologists with backgrounds spanning across engineering, product, and design. We support an open and transparent culture that helps foster interesting discussions. We want to work with inclusive people who understand the importance of treating their colleagues exceptionally well - people who will gladly go out of their way to help others with things big and small. 

We are always a work in progress and love hearing feedback from our team.

Customer Success Engineer Overview

MANTL is looking for a Customer Success Engineer to help shape the future of banking technology.

Who You Are: 

You have a deep understanding of Javascript, SQL, and the way that web applications work. Your ability to debug, come up with elegant solutions, and solve problems is second to none. You are driven by a passion for end user experience and helping your team to perform at the highest level. This is a huge opportunity for the right person to join a fast growing series A start-up and shape what customer service engineering is going to look like for years to come. 

Must Haves:

  • 3+ years professional engineering experience
  • Excellent investigative and debugging ability
  • Excellent written and verbal communication skills
  • Strong in Javascript 
  • Strong in SQL
  • Strong with spreadsheet software

Nice To Haves:

  • Experience leading customer service engineering teams
  • Experience with React
  • FinTech experience
  • Experience working in an AGILE/SCRUM environment
  • Experience working at a small start-up


Joining MANTL means joining an ambitious and exceptional team that solves complex problems every day. We provide competitive salaries and generous benefits including fully covered medical, dental and vision plans, an immediately available 401k plan, unlimited vacation, stocked kitchen & weekly happy hours.

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