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Posted May 8, 2026

Senior Full Stack Software Engineer – Consumer Services API Development and Implementation

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Introduction to Flex and Our Mission

Imagine a world where paying rent is no longer a source of stress, where flexibility and ease are the norms. At Flex, a growth-stage, NYC headquartered FinTech company, we are dedicated to revolutionizing the rent payment experience. Our mission is to empower renters with the flexibility they need over their most significant recurring expense. With a strong foundation of unprecedented investor support and an enthusiastic user base, we are now seeking motivated and talented individuals to join our team and help us grow. If you are passionate about making a difference in people's lives through innovative financial solutions, we invite you to be part of our journey.

About the Role: Senior Software Engineer - Consumer Services API

We are looking for a highly skilled Senior Software Engineer who will play a crucial role in implementing the service APIs used by our consumer applications. As part of the orchestration team within our consumer organization, you will be responsible for designing, developing, testing, and scaling the APIs that provide access to our core platform services. Your work will directly impact the user experience, simplifying the complexities of rent payment processing for our customers. This is an opportunity to work on challenging projects, lead by example, and contribute to the growth of a dynamic company.

Key Responsibilities

Essential Qualifications

To succeed in this role, you will need:

Preferred Qualifications

While not required, the following qualifications are highly desirable:

Career Growth and Learning Opportunities

At Flex, we believe in the growth and development of our employees. As a Senior Software Engineer, you will have opportunities to:

Work Environment and Company Culture

Our company culture is built on the principles of inclusivity, empathy, and innovation. We strive to create an environment where everyone feels valued, respected, and empowered to contribute their best work. With a dynamic team spread across the US, Australia, and South America, we offer a unique opportunity to work with diverse perspectives and experiences. Our HQ in New York City serves as a hub for collaboration and innovation, but we also embrace remote work, recognizing the importance of flexibility and work-life balance.

Compensation, Perks, and Benefits

We offer a competitive total rewards package that includes:

Conclusion and Call to Action

If you are a motivated and talented software engineer looking for a challenging and rewarding role, we invite you to apply for the Senior Software Engineer - Consumer Services API position at Flex. This is an opportunity to join a dynamic team, work on cutting-edge projects, and contribute to the growth of a company that is revolutionizing the financial services industry. With a competitive compensation package, comprehensive benefits, and a commitment to employee growth and development, we offer a unique and compelling career opportunity. Apply now and take the first step towards a rewarding new role that aligns with your passions and aspirations.

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