[Remote] Software Engineer I, Fullstack, Risk Engineering (New Grad - 2025)

Note: The job is a remote job and is open to candidates in USA. Flex is a growth-stage FinTech company headquartered in NYC, focused on revolutionizing the rent payment experience. They are seeking a Software Engineer I to join their Risk Engineering team, where the role involves developing services and APIs for risk decisioning, fraud prevention, and credit access systems. Responsibilities Build and maintain backend services and APIs in Java (Spring Boot) that support real-time risk decisioning and fraud prevention Develop user-facing features using TypeScript with React and/or React Native for risk-related flows across web and mobile Collaborate with product, design, and engineering partners to deliver end-to-end features from requirements to production Write clean, well-tested, and maintainable code, participating in code reviews and learning best practices Help monitor, debug, and support production systems, gaining experience with distributed systems and operational excellence Skills Bachelor's degree in Computer Science or a related field (or equivalent practical experience) Strong foundational knowledge of Java and object-oriented programming principles Experience with React or React Native, and proficiency in TypeScript Understanding of data structures, algorithms, and basic system design concepts Familiarity with REST APIs and service-oriented architectures Experience working with relational databases and writing SQL queries Familiarity with Git or other version control systems Ability to communicate clearly, collaborate effectively, and ask questions Curiosity about how systems work and a desire to learn continuously Exposure to risk engineering, fraud detection, or decision platforms (through coursework, internships, or prior roles) Experience building high-quality mobile and web UIs to product and design specifications Experience with the React Native and React ecosystems, including Hooks, Components, Context, and Redux Experience with Spring Boot or backend service development Basic knowledge of cloud platforms, particularly AWS Familiarity with CI/CD pipelines (e.g., GitHub Actions) Exposure to observability and monitoring tools such as DataDog Experience or coursework involving data platforms (e.g., Snowflake) Familiarity with Infrastructure as Code concepts (e.g., CDK, Terraform) Strong written and verbal communication skills Benefits 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 Company Overview Flex enables people to pay rent bills on a schedule that fits their personal finances. It was founded in 2019, and is headquartered in New York, New York, USA, with a workforce of 201-500 employees. Its website is Company H1B Sponsorship Flex has a track record of offering H1B sponsorships, with 1 in 2025, 1 in 2024. Please note that this does not guarantee sponsorship for this specific role.