Referso Jobs

Senior Product Builder

a16z-speedrun · Posted Jul 15, 2026

Open

San Francisco, California, United States
On-site
Full-time · Senior
$150K–$200K per year
6+ years

Senior Product Builder

a16z-speedrun · Posted Jul 15, 2026

Open

San Francisco, California, United States
On-site
Full-time · Senior
$150K–$200K per year
6+ years

Implementation Engineer

Niche Inc. · Posted Oct 28, 2025

Open

United States
Full-time · Mid
2–4 years

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Bridge between technology and customers, managing onboarding, integrations, and adoption of the Niche platform.

Responsibilities

Lead onboarding and implementation for new agency and SMB clients
Configure and support CRM and platform integrations
Troubleshoot live client environments (API connections, webhook issues, AI phone workflows etc.)
Collaborate with engineering to resolve technical issues quickly and accurately
Develop documentation and repeatable implementation workflows

Requirements

Nice to have: home services sector
Nice to have: digital agency sector

Skills

APIs webhooks CRM integrations Salesforce GoHighLevel HubSpot Zapier n8n SQL

Feltsense - AI Engineer

Silver.dev · Posted Nov 5, 2026

Open

Argentina
4+ years

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Responsibilities

Own the system architecture and make key technical decisions across the platform.
Design and build multi-agent systems and orchestration infrastructure that take products from idea to launch.
Develop self-improving agent harnesses, including feedback loops, evaluation systems, and memory.
Build and maintain AI-powered backend services on top of LLM APIs such as Anthropic, OpenAI, and Gemini.
Write production code, particularly around agent runtime and orchestration.

Requirements

Nice to have: TypeScript
Nice to have: Node.js
Nice to have: Vercel AI SDK
Nice to have: Claude Agent SDK
Nice to have: PostgreSQL

Skills

software engineering technical leadership multi-agent systems orchestration frameworks self-improving agent harnesses backend engineering

Senior Full-Stack Engineer (Backend-Leaning)

The Sales Centre co · Posted Nov 5, 2026

Open

Remote, United Kingdom
Remote
Full-time · Senior
5+ years

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You’ll be the company’s first engineer and technical lead, owning the platform’s architecture, data model, security, payments, background jobs, integrations, and launch.

Responsibilities

Own the platform’s architecture, data model, security, testing and code review
Approve everything that ships
Set up the test framework (Vitest, Playwright, GitHub Actions)
Build foundations: Postgres with row‑level security, auth, Stripe billing, background jobs, transactional email and third‑party integrations
Lead the launch and customer migration

Requirements

Nice to have: LLM APIs
Nice to have: GoHighLevel
Nice to have: Resend
Nice to have: MapLibre
Nice to have: SEO

Skills

TypeScript React Next.js Postgres Stripe background jobs automated testing

Senior Product Builder

Senior Product Builder

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Implementation Engineer

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Feltsense - AI Engineer

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Senior Full-Stack Engineer (Backend-Leaning)

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Inngest jobs

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