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Software Engineer III

Job in Menlo Park, San Mateo County, California, 94029, USA
Listing for: Spectraforce Technologies, Inc.
Full Time position
Listed on 2026-10-16
Job specializations:
  • Software Development
    Full Stack Developer, Backend Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 140000 - 190000 USD Yearly USD 140000.00 190000.00 YEAR
Job Description & How to Apply Below
Job Title:

Software Engineer III

Duration:

12+ months (Possibility of extension)

Location:

Remote

Summary:
  • The Software Engineer will build the AI-native systems that change how the organization does its work. This is not a role for wiring up business logic behind a form. The goal is to take processes that today depend on people manually moving information between systems and rebuild them as agentic workflows: software that reasons over the organization's data, takes action against its systems of record, and keeps a human in the loop where judgment is required.

    The engineer will design and build the data platform, the full-stack applications, and the agent and tool layers that make this possible, using AI-assisted development as a core part of how the work ships.
Must-Have

Skills:
  • Tools Engineering (full stack)
  • GraphQL / PHP / ORM Framework experience
  • AI Development Workflows
Nice-to-have

Skills:
  • Next.js / Vercel
  • Salesforce and CRM Knowledge
Years of overall experience required:
  • 5+
Job Responsibilities:
  • Design and build agentic workflows that operate against real operational data, including tool and function interfaces, context and retrieval strategies, evaluation harnesses, and the guardrails and human-in-the-loop checkpoints that make autonomous action safe.
  • Design and implement entity and object schemas in a custom ORM-style data framework, including authorization and validation rules, so that agents and applications read and write through a single governed data layer.
  • Build full-stack web applications using Next.js (React and Type Script), API routes, and modern frontend patterns, including interfaces for reviewing, approving, and correcting agent-initiated work.
  • Build and extend integrations with the organization's enterprise systems of record, including custom objects, triggers, automation, mutation and validation logic, and reporting.
  • Define API contracts, data migration strategies, and rollback and conflict-resolution patterns for systems running in parallel during transition.
  • Use AI-assisted development tools (Claude Code, Cursor, Copilot, or equivalent) as a core part of the daily workflow for implementation, code review, and refactoring.
  • Identify manual, high-friction business processes in partnership with operations stakeholders, then propose and ship the agentic or automated replacement and measure the time and cost it recovers.
  • Participate in the team oncall rotation for the tools you build, triaging and resolving production issues in internal systems.
Required Skills:
  • Strong proficiency in Type Script and JavaScript, and modern React frameworks (Next.js preferred).
  • Demonstrated experience building LLM-backed features in production, not prototypes: tool and function calling, retrieval, prompt and context engineering, and evaluation of non-deterministic output.
  • Strong SQL and relational data modeling, including experience with entity-modeling frameworks, ORMs, or GraphQL schema design.
  • Experience integrating enterprise or third-party platform APIs into production applications.
  • Experience using AI coding assistants as a primary daily development workflow, not as an occasional aid.
  • Sound judgment about where autonomy is appropriate and where a human gate belongs, and the instinct to build observability into systems that act on their own.
  • Demonstrated ability to work independently, own problems end to end, and communicate clearly in writing.
  • Strong command of the full software development lifecycle, from business and systems analysis through requirements gathering and functional specification, to development, testing, and delivery.
  • Strong troubleshooting instincts in production systems, with the ability to make system changes as needed to resolve issues.
Preferred

Skills:
  • Experience with agent frameworks,…
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