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SEAMLESSCHEX·Miami, United States·onsite

Senior Software Engineer – Full Stack

Posted 10 days ago
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Ruby on RailsReactNext.jsTypeScript

About the role

What you'll do

  • Contribute to the full product stack including frontend, backend, and data workflows with a focus on defensive programming and data validation.
  • Develop React-based interfaces and backend services using Node.js to support payment and operational workflows.
  • Work with AWS services such as Lambda, SQS, EventBridge, Kinesis, and S3 to support event-driven workflows and integrations.
  • Collaborate closely with product and engineering teams to deliver customer-ready improvements in small, well-tested increments.
  • Promote a shift-left engineering culture emphasizing automated testing, proactive ownership, and continuous improvement.

What you should know

  • Role requires working onsite in North Miami, emphasizing close team collaboration.
  • Opportunity to grow expertise in full-stack TypeScript development across frontend and backend.
  • Work environment promotes high-quality, incremental delivery and strong ownership of code quality.
  • Expect to engage with event-driven architectures and serverless AWS services in a financial context.
  • Ideal for engineers comfortable with complex payment systems and proactive in improving software reliability.

About the company

  • Paynote is a next-generation payments platform bridging legacy financial systems with modern crypto infrastructure.
  • Built out of Seamless Chex, a payments ISO with 10+ years of industry experience, and is fully self-funded.
  • Focuses on shipping customer-ready improvements quickly and creating long-term value for customers.
  • Operates in the financial technology industry with a unique blend of traditional and crypto payment rails.
  • Values reliability, innovation, and collaboration in building efficient global payout systems.

Key required skills

TypeScriptReactNode.jsPostgreSQL - databaseDynamoDB - databaseAWS LambdaSQSEventBridgeKinesisAutomated testing

Summary generated from the original posting.