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Bringing financial services to the unbanked

Senior Software Engineer

$115k – $160k AngelList Est.
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Airfox is looking for a talented Senior Backend Software Engineer for our Boston office to be a key member of a close-knit agile team that builds the platform for our fintech mobile application. You will help implement the platform for Airfox’s new products and financial innovations.

About Airfox

Airfox is on a mission to accelerate financial inclusion in emerging markets, beginning with Brazil - the 5th largest country in the world, with a population of over 200 million individuals. Airfox has developed an innovative, digital solution to seamlessly provide digital banking, payments, and credit solutions to the tens of millions of underbanked Brazilian consumers nationwide, which aims to alleviate the variety of burdens and high costs related to the deeply entrenched banking industry. Our mission is to empower millions of families to take control of their life with the use of simple, low-cost financial services through their smartphone. Additionally, we are developing financial services aimed at merchants to enable them to invest and grow their businesses. We recently announced a partnership with one of the largest retailers in Brazil, Via Varejo (BVMF: VVAR3), which is a multi-billion dollar, publicly-traded company, in order to develop and launch financial service products for their customer base of over 40 million individuals. It’s a particularly exciting time, filled with the intensive challenges related to undergoing our hyper-growth phase, and we’re looking for top-tier talent to help us execute on our mission! We greatly welcome you to apply to join the Airfox team and look forward to learning more about what makes you happy to come into work.

Responsibilities include:

  • Design, develop, peer review and test a wide range of features and systems composed of SQL data models, REST APIs, and cryptographic methods
  • Be a hands-on coder that knows how to bring a story over the finish line
  • Provide technical leadership to a squad working within an Agile framework
  • Help mentor new software engineers in best-practices and strategies


  • 4+ years of experience in backend development
  • Bachelor’s or master’s degree in Computer Science or a related field or applicable work experience
  • Experience with a wide range of AWS products and container technologies like Docker and Kubernetes
  • Server-side development implementing event-driven, distributed services
  • Excellent communication skills; feels comfortable working with non-technical business partners
  • Experience in NodeJS (preferably in Typescript) and SQL or NoSQL databases
  • Integration with third-party services a plus
  • Background in banking or other financial businesses a big plus


  • Competitive salary
  • Generous benefit package, including health, dental, a matching 401(k) program, commuter pre-tax benefits and more
  • Flexible work schedule and ability to occasionally work from home
  • Convenient office location (short walk from South Station)
  • Plenty of office perks (game lounge, parking, bike storage, showers, coffee)
  • Casual work attire

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