Skip to content

Senior Software Engineer - Backend

Designs, builds, and scales backend services and APIs for fintech platform handling billions in transactions. Leads architecture, mentors engineers, and ensures reliability using Node.js, PostgreSQL, Kubernetes, and AWS. Requires 7+ years backend experience.

170k – 230kNew York, NYBackend EngineeringOnsite7+ YOE

About the role

What You’ll Do

  • Design and scale backend services that power Parker’s financial products and APIs.
  • Lead architectural decisions to ensure performance, reliability, and scalability across our systems.
  • Build and maintain services in a modern cloud-native environment (Node.js, PostgreSQL, Docker, Kubernetes, AWS).
  • Partner with product and infrastructure teams to design secure, intuitive APIs and data models.
  • Drive engineering excellence through code reviews, technical mentorship, and architectural guidance.
  • Identify performance bottlenecks and lead initiatives to improve reliability, observability, and system design.
  • Contribute to the evolution of Parker’s technical roadmap and long-term engineering vision.

Basic Qualifications

  • 7+ years of professional backend software engineering experience.
  • Proven experience designing, building, and maintaining scalable backend systems in production.
  • Strong proficiency with Node.js and Typescript (or comparable backend languages such as Go, Java, or Python).
  • Experience with databases (SQL and/or NoSQL), Docker, and Kubernetes.
  • Familiarity with GraphQL, RESTful APIs, and event-driven architectures.
  • Solid understanding of cloud infrastructure (AWS or GCP) and CI/CD pipelines.
  • Excellent communication skills and ability to collaborate cross-functionally.

Nice to Haves

  • Experience working in fintech, payments, or e-commerce infrastructure.
  • Background in credit systems, ledgering, or transactional data modeling.
  • Contributions to or interest in open source software.
  • Experience in high-growth startup environments.

Skills

Node.jsTypeScriptPostgresDockerKubernetesAWSGraphQLREST APIsSQLGo

Senior Healthcare Integrations Software Engineer

Senior engineer building scalable EDI/API healthcare integrations for B2B SaaS. Requires 5+ years experience, strong API skills, and proficiency in PHP or Python.

170k – 200kUnited StatesBackend EngineeringRemote5+ YOEPHPEdi

Senior Software Engineer - Rules, Automations & Denials

Senior engineer building LLM-powered automation and rule engines to autonomously fix denied healthcare claims and manage revenue cycle workflows. Requires 5+ years experience and proficiency across frontend/backend stacks plus cloud infrastructure.

170k – 240kMountain View, CA +3Backend EngineeringHybrid5+ YOEGoCSS

Senior Software Engineer, Claims Submissions

Senior engineer on the Claims Submissions team building the autonomous backend for healthcare revenue cycle management. Owns pre-submission validation, payer-specific rules, EDI regression, and end-to-end claim reliability.

170k – 240kMountain View, CA +3Backend EngineeringHybrid5+ YOEGoCSS

Senior Backend Engineer, Ambient AI

Senior Backend Engineer building and scaling AI-powered healthcare infrastructure using Python, Flask, Django, and FastAPI. Focus on production environments, reliability, and direct customer impact.

170k – 230kMountain View, CA +2Backend EngineeringOn-site5+ YOEFlaskPython

Senior Software Engineer

Design and maintain high-performance Golang backend services on GCP and AWS for fraud prevention and AML compliance products used by banks and fintechs. Requires a Master's degree plus experience with banking APIs, fraud detection, and end-to-end testing.

170k – 170kUnited StatesBackend EngineeringRemote5+ YOEGoAWS