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. 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?

Flex is looking for a Senior Fullstack Engineer who will be responsible for implementing the backend services and frontend features that support all business.

In this role, you will be part of the partner growth eng team, responsible for the building services that support our sales team and partner facing features that can further accelerate our growth. You’ll be designing, developing, testing the services and features to deliver great user and partner experiences and drive the growth of the company.

You’ll work closely with your product, design and engineering peers. You’ll roll out changes to our partners and sales team in an agile manner with a delivery cadence that favors small, frequent iterations. The ideal candidate will be comfortable leading scoping, design and implementation for APIs and frontend features, and can drive their production rollouts to completion with minimum oversight.

A minimum of 5 years of experience with Java and React is required for this position.

Who you are: 

• You have strong computer science fundamentals.
• You have experience to translate the feature requirements into technical specifications.
• You have experience leveling up the entire team’s bar by introducing best practices, mentoring junior people, etc.
• You have experience with the Java frameworks and tools we use at Flex such as Spring (core/web/boot), Gradle and JUnit
• You have experience scoping and implementing web frontend features and are familiar with the frameworks and tools we use at Flex such as React.
• You have experience implementing and operating services in distributed services environments at scale
• You have experience with observability and monitoring tools such as DataDog for maintaining high availability
• You write high quality code that is testable, maintainable, scalable and secure
• You have a good understanding of REST API best practices
• You have great communication skills and are comfortable working with a distributed team

Core competencies: 

• Prior experience working on cross functional teams
• Experience with leading the project in its entire lifecycle, from requirements gathering to delivery.
• Proficient with React, Java and Spring (Bonus: AWS, Containers, Kubernetes, MySql)
• Experience with CI/CD to improve code stability and code quality

The national pay range for this role is $160,000-$210,000. Individual compensation will be commensurate with the candidate's experience aligned with Flex's internal leveling guidelines and benchmarks.