Flex - Staff Software Engineer, FinPlatform Backend
Requirements
• 6+ years of experience in software development or a related field • Experience in technical leadership, guiding engineering teams through complex projects • Experience with Java, Python, Golang, or TypeScript/Node.js. • Strong experience with relational SQL and NoSQL databases, such as MySQL/PostgreSQL/DynamoDB • Experience in designing and developing the fault-tolerant and scalable distributed systems • Experience with AWS cloud services: ESC/EKS, Lambda, API Gateway, VPN, RDS etc • Infrastructure as code(AWS CLI, AWS CDK/Terraform) • Strong communication skills with the ability to understand and explain technical issues to a non-technical audience • Follow engineering best practices as well as propose new ones • Experience with finance reporting and reconciliation • Deep experience with writing complex query and data mining • Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks. • Tier A: (NYC/SF): $200,000 —$250,000 USD • Tier A: (NYC/SF): • Tier B: $180,000—$225,000 USD • Tier B: • Tier C: $170,000 —$212,500 USD • Tier C: • We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. • We offer many employee benefits & perks. For full-time U.S based positions we offer: • Competitive medical, dental, and vision available from Day 1 • 401(k) plan with company match (our company match kicks off at the beginning of 2026) • Unlimited paid time off + 13 company paid holidays • Flex Cares Program • Free Flex subscription • For full time non-US employees, we offer
Responsibilities
• Design, implement and maintain our Finance service and internal tooling, including financial reporting, reconciliation/audit process. • Design and develop new APIs and functionalities to support large money movements across our banking partners via different payment rails, such ACH. • Scale out core platform to support business growth while maintaining performance and reliability • Continuously improving our daily operations with automation, tooling, design evolution, observability etc. • Work closely with product, analytics, finance and engineering peers to launch new financial features into our platform
Benefits
• Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks. • Tier 1 (NYC/Bay Area, Los Angeles, Seattle) • $200,000 - $250,000 USD • Tier 2 (Austin, Washington D.C. Philadelphia, San Diego, Chicago, Atlanta) • $180,000 - $225,000 USD • Tier 3 (Salt Lake City, all other USA cities) • $170,000 - $212,500 USD • Life at Flex • Life at Flex • We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. • Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program. • Competitive medical, dental, and vision • 401(k) plan with company match • Unlimited paid time off + 13 company paid holidays • Free Flex subscription • For full-time non-U.S. employees, we offer: • Competitive compensation + company equity
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