Staff Software Engineer, Backend

🕒 July 2

🇺🇸 United States – Remote

💵 $170k - $250k / year

⏰ Full Time

🔴 Lead

🔙 Backend Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

Apply Now

Find Similar Remote Jobs

Set Up Email Alert For New Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

Flex

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2019

💳 Fintech

🏠 Real Estate

👥 B2C

Fintech • Real Estate • B2C

Flex is a financial technology company that enables renters to split and schedule rent payments, pay move-in costs over time, and build credit through on-time rent reporting. It offers consumer-facing payment products (rent split, pay-over-time, and move-in loans) and partners with property owners and property-management systems to help properties collect on-time rent and retain residents. Flex operates via bank partnerships and regulated lending/servicing subsidiaries to provide loans and payment processing while emphasizing security and regulatory compliance.

📋 Description

• Design, build, and scale backend services and APIs powering payments, money movement, billing, settlements, reconciliation, and ledger systems. • Lead architecture and evolution of highly available, fault-tolerant financial platforms processing and tracking millions of dollars in transactions. • Provide technical leadership on distributed systems design, financial data consistency, transaction integrity, and platform strategy. • Drive initiatives end-to-end from requirements gathering and technical design through implementation, rollout, and operational excellence. • Partner with Product, Finance, Risk, Compliance, Operations, and Engineering teams. • Integrate systems with payment processors, banking partners, card networks, and financial service providers. • Design resilient ledger, settlement, and reconciliation workflows. • Drive engineering best practices including observability, automated testing, reliability engineering, CI/CD, and secure software development. • Mentor engineers and raise technical standards. • Operate mission-critical financial services in production. • Contribute to service-oriented architecture, event-driven systems, APIs, message queues, and scalable financial platforms. • Balance hands-on execution with architectural leadership.

🎯 Requirements

• 9+ years of professional software engineering experience focused on backend development • 4+ years of hands-on Java experience, including Spring Core/Web/Boot, Gradle, JUnit, JVM tuning, and performance • Strong computer science fundamentals and experience designing scalable distributed systems • Deep experience building or operating financial systems such as payments, money movement, ledgers, settlements, reconciliation, billing, or banking infrastructure • Experience integrating with payment processors, settlement systems, card networks, and banking partners • Strong understanding of transactional systems, financial data consistency, idempotency, auditability, and fault tolerance • Experience working with technical and non-technical stakeholders • Ability to write high-quality, testable, maintainable, and secure code • Hands-on AWS experience with EKS, Aurora RDS, ElastiCache, and DynamoDB • Experience with Docker and Kubernetes • Experience with relational and NoSQL databases including MySQL, PostgreSQL, and DynamoDB • Proficiency with CI/CD pipelines, Git, and build automation • Familiarity with observability and monitoring tools such as Datadog • Excellent communication and collaboration in globally distributed teams • Track record of mentoring engineers and raising team standards

🏖️ Benefits

• Competitive medical, dental, and vision • Company equity • 401(k) plan with company match • Unlimited paid time off + 13 company paid holidays • Parental leave • Free Flex subscription • Competitive compensation + company equity • Unlimited PTO