jobapplier

Software Engineer (Platform Foundation)

Blend

Skills

Required

  • authentication
  • authorization
  • software engineering
  • tokens
  • identity protocols
  • secure API design
  • backend engineering
  • Go
  • TypeScript / Node.js
  • Java
  • Python
  • Kubernetes

Preferred

  • workflow engines / event-driven architectures / platform engineering
  • designing secure agent runtimes / sandboxing / permission models / safety controls
  • AI agents / LLM tool use / automation platforms / human-in-the-loop systems
  • backend
  • APIs
  • distributed systems

Join our team as a Senior Software Engineer focused on backend platform engineering, authentication and authorization, developer infrastructure, and secure AI-assisted automation. You will design, build, and operate reliable backend services and shared platform capabilities, improve platform security, and develop integrations with various tools. You will also mentor engineers, lead complex projects, and set technical direction for broader areas.

Responsibilities

  • Design, build, and operate reliable backend services and shared platform capabilities, focusing on high-impact systems used across the organization.
  • Lead technical design for APIs, distributed systems, data storage, workflow orchestration, and service integrations, ensuring scalability and security.
  • Mentor engineers, contribute to technical standards, and lead design discussions across teams, setting technical direction for broader areas.
  • Experience designing and operating production distributed systems, APIs, databases, and asynchronous workflows

Requirements

6+ years of professional software engineering experience

  • Strong understanding of authentication, authorization, sessions, tokens, identity protocols, and secure API design
  • Strong backend engineering experience in Go, TypeScript/Node.js, Java, Python, or a similar language
  • Experience building secure, reliable systems that handle sensitive data and enforce access controls
  • Familiarity with cloud infrastructure, containers, Kubernetes, CI/CD, and production observability
  • Strong system-design skills and the ability to make sound technical tradeoffs
  • Clear written and verbal communication skills, including the ability to influence across teams
  • A practical ownership mindset: comfortable debugging production issues and improving systems end to end
  • Experience in fintech, security, healthcare, or another regulated industry
  • Experience with enterprise identity integrations and SSO

Preferred

  • Experience with workflow engines, event-driven architectures, or platform engineering
  • Experience mentoring engineers or leading cross-team technical initiatives
  • Experience designing secure agent runtimes, sandboxing, permission models, or safety controls
  • Experience with AI agents, LLM tool use, automation platforms, or human-in-the-loop systems

Pay

USD 124,000 - 146,000