Blend

Software Engineer - Platform Foundation

Blend
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2 months ago
USA (city not specified)Senior
H1B sponsor

Base Salary

$124k - $146k/yr

Responsibilities

  • Design, build, and operate reliable backend services and shared platform capabilities.
  • Lead technical design for APIs, distributed systems, data storage, workflow orchestration, and service integrations.
  • Build authentication and authorization systems, including SSO, OAuth/OIDC, MFA, session management, token lifecycles, and role- or scope-based access control.
  • Improve platform security through access controls, auditability, secrets management, tenant isolation, and secure service-to-service communication.
  • Build background-agent systems and safe AI-agent execution patterns for support and operational workflows with human oversight.
  • Develop integrations with collaboration, ticketing, source-control, and internal operational tools.
  • Improve reliability and operability through monitoring, tracing, incident response, testing, and performance engineering.
  • Partner with product, security, infrastructure, and support teams to develop scalable platform capabilities.
  • Mentor engineers, lead design discussions, contribute to technical standards, and set technical direction across teams.

Requirements

  • 6+ years of professional software engineering experience.
  • Strong backend engineering experience in Go, TypeScript/Node.js, Java, Python, or a similar language.
  • Experience designing and operating production distributed systems, APIs, databases, and asynchronous workflows.
  • Strong understanding of authentication, authorization, sessions, tokens, identity protocols, and secure API design.
  • Experience building secure and 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 sound technical judgment.
  • Clear written and verbal communication skills and the ability to influence across teams.
  • Experience with AI agents, LLM tool use, automation platforms, secure agent runtimes, sandboxing, permission models, or human-in-the-loop systems is preferred.
  • Experience with enterprise identity integrations, workflow engines, event-driven architectures, platform engineering, regulated industries, mentoring, or cross-team technical initiatives is preferred.

Benefits

  • Medical, dental, and vision benefits with employer contributions.
  • Company-paid life, short-term, and long-term disability coverage.
  • Generous PTO, holidays, and maternity/parental leave.
  • Employee Assistance Program covering mental health, legal, childcare and eldercare, financial planning, and related services.
  • Voluntary accident, critical illness, hospital indemnity, identity theft, and legal insurance.
  • Monthly wellness stipend, Milk Stork, pet insurance, and paid volunteer time off.
  • 401(k) retirement plan with company match.
  • Healthcare, dependent care, limited-purpose, and HSA pre-tax savings accounts.
Blend

About Blend

501-1,000 employees

Blend builds a cloud banking and loan-origination platform used by banks, credit unions, and mortgage lenders to power digital applications, verifications, and document processing. It sells usage-based software to financial institutions, with customers including Wells Fargo and U.S. Bank, and reports facilitating over $5B in loans per day across 330+ firms. Founded in 2012 and headquartered in San Francisco, Blend is a public company on the NYSE (BLND).

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