Job Description

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?

About the job

Flex is looking for a Software Engineer to join our engineering team. You'll work on building and maintaining backend systems that power our platform, with a focus on Java-based services. This is a great opportunity to grow your skills in a collaborative environment while contributing meaningfully to production systems.

What You'll Do

• Write clean, maintainable Java code and contribute to our backend services
• Participate in code reviews and learn best practices from senior engineers
• Debug and troubleshoot issues in our systems
• Collaborate with product and infrastructure teams to understand requirements
• Write tests and help improve our deployment and quality processes
• Contribute to system design discussions and architectural improvements

What We're Looking For

• Bachelor's degree in Computer Science or related field (or equivalent experience)
• Strong foundational knowledge of Java and OOP principles
• Solid understanding of data structures, algorithms, and system design fundamentals
• Familiarity with relational databases (SQL)
• Experience with version control (Git)
• Ability to communicate clearly and work well in a team
• Curiosity about how systems work and willingness to learn continuously

Nice to have:

• Experience with Spring or Spring Boot frameworks
• Familiarity with REST APIs and microservices
• Knowledge of cloud platforms (AWS)
• Experience with Docker or containerization
• Understanding of distributed systems concepts

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 $139,000-$153,000
• For all other states, the base salary pay range will be $125,000-$138,000

#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 & perks. For full-time U.S based positions we offer:

• Competitive medical, dental, and vision available from Day 1
• Company equity
• 401(k) plan with company match (our company match kicks off at the beginning of 2026)
• Unlimited paid time off + 13 company paid holidays
• Parental leave
• Flex Cares Program
• Free Flex subscription

For full time non-US employees, we offer

• Competitive compensation + company equity
• Unlimited PTO

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