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Arc Exclusive
Arc Exclusive

Senior Full-Stack / AI Engineer - Part-time - Overlap with EST

Location

Remote anywhere

Hourly rate

Hourly rate

Min. experience

5+ years

Hours per week

30 hours

Duration

8 weeks

Required skills

TypeScriptOpenAINext.js

Freelance job
Posted an hour ago
Apply now
Actively recruiting / 10 applicants

We’re here to help you

Cynthia is in direct contact with the company and can answer any questions you may have. Email

CynthiaCynthia, Recruiter

Title: Senior Full-Stack / AI Engineer (Contract)
Type: Contract (20–40 hrs/week, 6–8 weeks)
Start: Immediately
Location: Remote

About the Project

We are building an AI-powered MVP for a financial advisory platform.
The system combines:

  • LLM-based analysis
  • Workflow automation
  • Secure data processing
  • Intelligent document/questionnaire interpretation
  • A clean advisor-facing frontend
  • Client-facing modules with guided flows

The architecture and product requirements are defined.
We are ready to move the project from validated prototype → stable MVP v1.

Responsibilities

You will build the MVP end-to-end, including:

  • Architecting the system and advising on technical decisions
  • Implementing LLM workflows with OpenAI (function calling, structured outputs, embeddings)
  • Designing clean API endpoints and backend logic
  • Building frontend views/dashboards (Next.js or React)
  • Integrating authentication + role-based access
  • Setting up database schemas (Postgres)
  • Building workflow automations (custom API integrations, Zapier/Make optional)
  • Ensuring production-ready code, error handling, logging, and documentation
  • Delivering a stable MVP within the target timeline

Required Skills

  • Senior-level full-stack development experience (5+ years)
  • Strong with TypeScript, Node.js, Next.js/React
  • Strong experience with OpenAI API, LLM integrations, embeddings, and prompt engineering
  • Experience architecting and deploying MVPs end-to-end
  • Strong with API design, PostgreSQL, and serverless environments (Vercel/AWS)
  • Ability to work quickly and independently with evolving requirements
  • Strong communication and ability to explain technical tradeoffs

Nice to Have

  • Experience with agentic workflows or tools like LangChain/LangGraph
  • Experience integrating third-party APIs
  • Experience building dashboards or internal tools
  • Understanding of RAG pipelines or vector databases
  • UX/UI sensitivity

Project Scope

You will collaborate directly with the founder to build:

  • A backend “automation engine” using OpenAI
  • A structured decision + analysis workflow
  • A simple but clean web interface (admin and user-side)
  • A secure data intake + processing flow
  • Basic analytics and logging

Clear deliverables and weekly milestones are provided.

How We Work

  • Fast feedback cycles
  • Asynchronous communication
  • Weekly milestone demos
  • You will have autonomy to propose architectural improvements
  • Proprietary logic and internal systems shared only after NDA

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