Apply on Employer Site

Flex · 16 hours ago

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

United States

Full-time

Remote

New Grad, Entry Level

$139K/yr - $153K/yr

Flex is a growth-stage FinTech company based in New York City focused on improving the rent payment experience. They are seeking a Software Engineer I to join their Risk Engineering team, where the role involves contributing to the development of services and APIs for risk decisioning, fraud prevention, and credit access systems.

AppsBillingFinancial ServicesFinTechSoftware

H1B Sponsor Likely

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

Qualification

JavaReactTypeScriptSpring BootSQLREST APIsGitCuriosityCommunicationCollaborationProblem-solving

Required

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

Preferred

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

Competitive compensation + company equity

Unlimited PTO

Company

Flex

Glassdoor3.9

Flex enables people to pay rent bills on a schedule that fits their personal finances.

Founded in 2019

New York, New York, USA

201-500 employees

https://getflex.com

H1B Sponsorship

Flex has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (1)

2024 (1)