Senior Software Engineer, Backend

🕒 September 14

🇺🇸 United States – Remote

💵 $146.2k - $215k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

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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 services and integrations behind Payment, Billing, Identity, and partner integrations • Lead scoping, design, and implementation for owned APIs • Drive production rollouts to completion with minimal oversight • Work closely with product, design, and engineering peers • Solve renters’ problems through small, frequent iterations • Standardize APIs, tools, and processes for external partner data sharing and payments • Support billing and payment monitoring, operations, reliability, dashboards, SLIs/SLOs, runbooks, deployment, and on-call procedures • Build and own platforms, tooling, and documentation for payments, wallet, and settlement finance systems

🎯 Requirements

• Minimum of 6 years experience in software engineering • Minimum of 4 years experience with Java • 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 grow in a fast-paced and dynamic environment • Experience building robust, fault-tolerant systems with multiple external dependencies • Experience designing, building, and maintaining data pipelines • Proficient in Java frameworks and tools including Spring, Gradle, JUnit, and JVM memory/performance tuning and garbage collection • Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures • Experience with AWS, including EKS, Aurora RDS, ElastiCache, and DynamoDB • Experience with containerization tools • Preferred: proficiency in CI/CD systems, preferably GitHub Actions, Git, and automation • Preferred: observability and monitoring tools such as DataDog • Preferred: big data platforms and tooling, including Snowflake • Preferred: Infrastructure as Code using CDK and Terraform • Preferred: mentoring junior engineers and elevating team standards through best practices • Preferred: excellent written and verbal communication and cross-functional collaboration

🏖️ 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 for full-time non-U.S. employees • Unlimited PTO for full-time non-U.S. employees • Relocation assistance may be available for candidates outside New York, San Francisco, and Salt Lake City

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