Software Engineer

Position Overview

Flex is a growth-stage, NYC-headquartered FinTech company dedicated to creating the best rent payment experience. We aim to empower renters by allowing them to pay rent throughout the month on a schedule that fits their finances. This role involves implementing backend systems that support all business features, including Payment, Billing, Identity, and partner integrations. You will be responsible for designing, developing, testing, and scaling systems to deliver excellent user and partner experiences. You will collaborate closely with product, design, and engineering peers, delivering changes in an agile manner with frequent iterations. The ideal candidate is comfortable leading scoping, design, and implementation for APIs, and can drive their production rollouts with minimal oversight.

Employment Type

Full-time

Location Type

New York City (HQ), with employees located throughout the US.

Salary

• NY/NJ/CA: $197,000 - $213,000
• All Other States: $177,000 - $192,000 (Compensation is commensurate with candidate experience and Flex's internal leveling guidelines and benchmarks.)

Requirements

Minimum Qualifications

• 4+ years of professional software development experience.
• 3+ years of hands-on experience with Java.
• 3+ years of experience with React or React Native.
• 3+ years of experience with TypeScript.
• Experience building high-quality mobile and web UIs to specifications.
• Ability to work on a globally-distributed team with a high degree of ownership.
• Experience working with technical and non-technical stakeholders, successfully aligning and setting expectations on scope and delivery.
• Ability to thrive in a fast-paced and dynamic environment.
• Experience building robust, fault-tolerant systems with multiple external dependencies.
• Proficient in Java frameworks and tools: Spring (core/web/boot), Gradle, JUnit, JVM (memory/performance tuning, GC).
• Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures.
• Experience with React Native and React ecosystems (Hooks, Components, Context, Redux).
• Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools.

Preferred Qualifications

• Proficient in CI/CD systems (preferably GitHub Actions), git, and automation.
• Skilled in observability and monitoring tools, such as DataDog.
• Experienced with big data platforms and tooling, including Snowflake.
• Proficient in Infrastructure as Code, using tools like CDK and Terraform.
• Skilled at elevating team standards through best practices and mentoring junior engineers.
• Excellent written and verbal communicator, with experience in cross-functional collaboration.

Responsibilities

• Implement various backend systems supporting all business features.
• Develop and maintain services and integrations that power Flex products (e.g., Payment, Billing, Identity, partner integration).
• Design, develop, test, and scale systems for great user and partner experiences.
• Collaborate with product, design, and engineering peers to solve user problems.
• Roll out changes to customers in an agile manner with small, frequent iterations.
• Lead scoping, design, and implementation for APIs.
• Drive production rollouts to completion with minimal oversight.

Company Information

Flex is a growth-stage, NYC-headquartered FinTech company creating the best rent payment experience. Our mission is to empower renters with flexibility over their most significant recurring expense. We have strong investor support and an enthusiastic user base. We are looking for motivated individuals to join our growing team.

Life at Flex

We believe a diverse team of intelligent, curious, determined, empathetic, and self-aware individuals is key to growing a successful company. Our HQ is in New York City, but we have employees located throughout the US.