Skip to main content
Red Cell Partners

Staff Software Engineer (Product + Platform Development)

RemotePrefers United States
Published
Role
Backend
Experience
Staff
Employment
Full-time
Company size
Startup
$180k–$240k/yr
Check eligibility

No hard location rule, but the listing prefers candidates in United States.

No BS summary

Staff-level software engineer with 8+ years building production systems, strong backend/full-stack range, and ability to deliver AI/ML/LLM customer solutions. Must be US-based, with Seattle preferred, McLean optional, or remote within the USA. Needs scalable system design, APIs, distributed systems/cloud/data pipeline experience, and comfort in secure or regulated customer environments.

Core skills

AILLMAPIs

Required skills

MLRAG

Optional skills

AI agentsLLM applicationsworkflow orchestrationevalsguardrailsretrieval systemsmodel deploymentAWS

What you'll do

  • Work directly with customers to understand their workflows, pain points, data environments, and operational constraints.
  • Contribute to both the core platform and customer-specific integrations: build reusable capabilities into the product, then adapt and deploy them in each customer's environment.
  • Build and deploy AI-enabled applications, agents, and workflow automation, applying AI/ML and LLM techniques such as RAG, guardrails, and evals to deliver reliable customer solutions.
  • Translate customer needs into technical requirements, implementation plans, and product feedback for the core engineering team.
  • Own delivery from prototype through production, including architecture, backend services, APIs, integrations, observability, testing, deployment, and customer acceptance.
  • Integrate with customer systems, data sources, identity providers, and cloud or on-prem infrastructure.
  • Partner with product, engineering, security, and customer teams to ensure solutions are secure, reliable, auditable, and operationally useful.
  • Debug issues in deployed environments and drive fast resolution across application, infrastructure, data, and integration layers.
  • Operate with strong judgment in environments involving sensitive data and business-critical workflows.

What they require

  • 8+ years of software engineering experience, with a strong foundation in building and shipping production-quality systems.
  • Ability to apply AI and ML techniques, including LLM-based approaches such as RAG, guardrails, and evals, to real customer problems.
  • Scalable system design experience, ensuring solutions scale reliably as usage, data, and complexity grow.
  • Experience with backend engineering, distributed systems, APIs, data pipelines, cloud infrastructure, or applied AI/ML systems.
  • Comfort working across the full stack when needed, including backend services, frontend interfaces, infrastructure, integrations, and deployment workflows.
  • Ability to operate in ambiguous customer environments and turn unclear requirements into working software.
  • Strong technical communication skills with engineers, product teams, executives, and customer stakeholders.
  • High ownership, bias for action, and ability to drive outcomes without waiting for perfect requirements.
  • Strong debugging instincts and ability to reason across application code, data, infrastructure, networking, and customer systems.
  • Preferred: Prior experience as a full-stack or backend software engineer, forward deployed engineer, solutions engineer, product engineer, platform engineer,, or founding/startup engineer.
  • Preferred: Familiarity with identity and access management, audit logging, data governance, and secure software delivery.
  • Preferred: Experience building in environments with compliance, security, or operational constraints.
  • Preferred: Comfort working in secure or regulated customer environments.
  • Some travel to customers may be required.

Benefits

  • Career track opportunity with potential for rapid advancement with strong performance as the firm grows
  • 100% employer paid, comprehensive health care including medical, dental, and vision for you and your family.
  • Paid maternity and paternity for 14 weeks at employees' normal pay.
  • Unlimited PTO, with management approval.
  • Opportunities for professional development and continued learning.
  • Optional 401K, FSA, and equity incentives available.
  • Mental health benefits are available through Tara Mind.
  • Cost effective GLP-1 solutions available through Crux.

DEFCON AI is seeking an experienced IT System Administrator to support and maintain infrastructure for cloud environments, identity systems, and end-user services.

TechnologyStartup

Details

Apply routeGreenhouse
$180k–$240k/yr