Senior Engineering Lead

Direct message the job poster from Critical River Inc.

Location: Pleasanton, California (hybrid work, 2-3 days per week onsite)

• This is a senior individual contributor role requiring 12+ years of software engineering experience, with at least 10+ years building enterprise‑grade, B2B SaaS applications. As a Senior Engineering Lead, you will own end‑to‑end architecture, design, and implementation of complex systems across frontend, backend, APIs, microservices, and data pipelines.
• You’ll drive technical execution through hands‑on contributions, applying AI‑assisted developer workflows to accelerate delivery and quality. You will serve as a technical authority, collaborating closely with peers and stakeholders, while ensuring that our platform is scalable, performant, secure, and reliable.

• Architect and scale enterprise systems:
  Design across frontend, backend, APIs, microservices, and data pipelines, aligned to SaaS reliability and security standards.
• Hands‑on development:
  Write production‑quality code, conduct architecture reviews, lead complex refactors, and contribute to critical development cycles.
• Rapid feature delivery:
  Ship robust features at speed using modern development practices and AI‑assisted workflows.
• AI‑accelerated engineering:
  Leverage tools such as Copilot, Cursor, Replit, Claude/other agents, Prompt Pex for coding, refactoring, and testing.
• Spike‑first prototyping:
  Validate new feature ideas through quick prototypes and experiments before full implementation.
• Cloud‑native integration:
  Build services and infrastructure for LLMs, RAG pipelines, vector databases, and AI agent workflows.
• Technical documentation:
  Produce high‑quality design docs, specs, and internal technical narratives.
• Cross‑functional collaboration:
  Work with Product, UX, Analytics, and Security to align technical solutions with business needs.
• System reliability:
  Define SLOs/SLIs, enhance observability, and ensure services meet performance and availability targets.

• 12+ years in software engineering, with a focus on enterprise B2B SaaS systems.
• 10+ years of hands‑on development building scalable, reliable, modular SaaS products.
• Proficiency in frontend and backend engineering (React/Type Script, Node.js/Python, SQL/No
  
  SQL).
• Strong experience with system design, distributed systems, and cloud infrastructure (AWS, GCP, or Azure).
• Familiarity with microservices, containerization, Kubernetes, CI/CD pipelines, and observability tooling.
• Demonstrated ability to ship complex features under tight deadlines in high‑growth or startup environments.
• Experience integrating AI‑assisted developer tools into workflows.

Mid‑Senior Level

Full‑time

Information Technology

Industries:
Software Development

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