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Flex · 21 hours ago

Staff Software Engineer, Risk & Pricing

United States

Full-time

Remote

Lead/Staff

$221K/yr - $237K/yr

8+ years exp

Flex is a growth-stage FinTech company headquartered in NYC that aims to enhance the rent payment experience. They are seeking a Staff Software Engineer to lead the architecture and evolution of their risk decisioning and pricing platforms, ensuring scalable and reliable systems that support credit and fraud management.

AppsBillingFinancial ServicesFinTechSoftware

H1B Sponsor Likely

Responsibilities

Lead the architecture and evolution of Flex’s risk decisioning platforms, supporting credit eligibility, fraud prevention, and controlled access across products

Design and build a pricing engine from the ground up that integrates with risk decisions and supports customer- and product-level pricing

Own and operate high-scale, 24/7 APIs and distributed systems powering risk and pricing decisions across Flex

Provide technical leadership and guidance on system architecture, long-term platform vision, and engineering best practices

Balance hands-on execution with architectural decision-making, ensuring delivery velocity alongside long-term maintainability

Partner closely with Risk, Product, Data Science, and Finance leaders to translate business and risk strategy into scalable, auditable systems

Identify systemic risk, reliability, or scalability gaps and proactively lead initiatives to address them

Act as a technical leader and mentor, raising engineering standards through design reviews, technical guidance, and example

Qualification

Risk engineeringPricing engine developmentJavaAWSSpring FrameworkDistributed systemsCI/CD systemsInfrastructure as CodeTechnical leadershipObservability practices

Required

8+ years of professional software development experience, with ownership of complex, production-grade distributed systems

Strong background in risk engineering, including credit risk, fraud detection, or decision platform architecture

Prior experience building pricing engines or pricing platforms from the ground up, ideally in fintech, payments, lending, or subscription-based products

Experience operating as a technical lead, engineering manager, or tech lead manager, with demonstrated cross-team influence

5+ years of hands-on experience with Java, including deep knowledge of JVM performance, memory tuning, and GC

Proficiency with Spring (Core/Web/Boot), Gradle, and testing frameworks such as JUnit

Experience designing service-oriented architectures, REST APIs, message queues, and scalable systems

Hands-on experience with AWS (EKS, Aurora RDS, DynamoDB, Elasticache) and containerized workloads

Preferred

Experience with CI/CD systems (preferably GitHub Actions), Git, and engineering automation

Strong observability and reliability practices, including tools like DataDog

Experience with data platforms and analytics tooling such as Snowflake

Proficiency in Infrastructure as Code (e.g. CDK, Terraform)

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

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

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Trends of Total Sponsorships

2025 (1)

2024 (1)