Flex

Staff Software Engineer, FinPlatform Backend

Flex

full-time

Posted on:

Location Type: Remote

Location: CaliforniaNew YorkUnited States

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Salary

💰 $200,000 - $250,000 per year

Job Level

About the role

  • 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

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
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
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
JavaPythonGolangTypeScriptNode.jsSQLNoSQLAWSTerraformAPI development
Soft Skills
technical leadershipcommunicationcollaborationproblem-solvingautomationdesign evolutionobservabilityguiding teamsunderstanding technical issuesproposing best practices