Senior Software Engineer, Finance Engineering

Posted 7 Days Ago
Hiring Remotely in U.S.
Remote
Mid level
Fintech • Payments • Real Estate • Software • Financial Services
Flex splits your bills into smaller, stress-free payments throughout the month.
The Role
As a Senior Software Engineer at Flex, you will design and maintain financial services, develop APIs for banking integrations, improve automation and tooling, and collaborate with cross-functional teams to launch financial features.
Summary Generated by Built In

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2025 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team?

What we need: 

Flex is looking for a backend engineer to join our core platform team. We want engineers with ideas (because they’ll definitely be heard on our small and tight-knit team) and ambition! Successful devs will feel comfortable in a startup environment and will be happy to work in a remote-first team with a lot of independence.

What you'll do

  • Design, implement and maintain our Finance service and internal tooling, including financial reporting, reconciliation process. 
  • Design and develop new APIs and functionalities to support large money movements across our banking partners.
  • Scale out core platform to support business growth while maintaining performance and reliability 
  • Continuously improving our daily operations with automation, tooling, design evolution, observability etc.
  • Work closely with product, analytics, finance and engineering peers to launch new financial features into our platform

What We’re Looking For:

  • 4+ years of experience in software development or a related field 
  • Deep experience with Java, Python, Golang, TypeScript/Node.js.
  • Strong experience with relational SQL and NoSQL databases, such as MySQL/PostgreSQL/DynamoDB
  • Experience in designing and developing the fault-tolerant and scalable distributed systems 
  • Experience with AWS cloud services: ESC/EKS, Lambda, API Gateway, VPN, RDS etc
  • Infrastructure as code(AWS CLI, AWS CDK/Terraform)    
  • Strong communication skills with the ability to understand and explain technical issues to a non-technical audience 
  • Follow engineering best practices as well as propose new ones 
  • Experience with finance reporting and reconciliation 
  • Deep experience with writing complex query and data mining

The salary compensation range for this role will be commensurate with the candidate's experience and Flex's internal leveling guidelines and benchmarks.

  • For working locations in NY/NJ/CA, the base salary pay range will be $197,000-213,000
  • For all other states, the base salary pay range will be $177,000-192,000

#LI-Remote

Life at Flex:

We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace.

We offer many employee benefits. For full time, U.S. based employees we offer:

  • Competitive pay
  • 100% company-paid medical, dental, and vision
  • 401(k) + company equity
  • Unlimited paid time off with a PTO minimum + 13 company paid holidays
  • Parental leave 
  • Flex Cares Program: Non-profit company match + pet adoption coverage
  • Free Flex subscription

 For full time non-US employees, we offer

  • Competitive Pay
  • Company Equity
  • Unlimited PTO

Top Skills

Go
Java
Python
Typescript
The Company
HQ: New York, NY
304 Employees
Hybrid Workplace
Year Founded: 2019

What We Do

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2024 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense.

Why Work With Us

We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is based out of NYC, but we have employees located globally (US, Canada, Brazil, and Israel). We value the unique and dynamic perspectives our team brings every day.

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