Senior Full-Stack Engineer (Remote) — AI Freight & Voice

True Talent Solutions Partners; United States; Remote; USD 6,000 - 8,000; Full time

Job summary

True Talent Solutions Partners is building AI-powered software for the transportation and logistics sector. You will own production features end to end, focusing on voice and email agents that support high-stakes freight workflows.

The role requires 5+ years of software engineering experience, with hands-on work bringing LLM features to production, including tool-calling and retrieval, plus familiarity with React, Next.js, Supabase, and Python. Remote work from Latin America is supported.

Qualifications

• 5+ years of professional software engineering experience with end-to-end ownership.
• Hands-on experience bringing LLM features to production, including tool-calling and retrieval.
• Experience shipping with React, Next.js, Supabase, and Python.
• Familiarity with agent or voice tooling such as Pipecat, LangChain, LiveKit, or equivalent.
• Strong system design fundamentals, including streaming, concurrency, SQL, and cost awareness.
• Experience with production observability and deployment rollouts.
• Value in voice/real-time systems or open-source projects or substantial personal work.

Responsibilities

• Scope problems with customers, build across the stack, deploy features, and monitor their production performance.
• Develop voice and email agents, including speech pipelines, LLM orchestration, and deterministic safeguards for prices, terms, and actions.
• Create evaluation systems using golden datasets, regression checks, hallucination testing, and tool-call correctness checks.
• Build retrieval and matching systems with embeddings and reranking, balancing cost, latency, and scale.
• Instrument production systems and use observability and rollout strategies to operate software reliably.

Skills

React

Next.js

Supabase

Python

LangChain

Pipecat

LiveKit

Embeddings

Retrieval

Observability

Tool-calling

Tools

LangChain

Pipecat

LiveKit

Job description

True Talent Solutions Partners is building AI-powered software for the transportation and logistics sector. You will own production features end to end, focusing on voice and email agents that support high-stakes freight workflows.

The role requires 5+ years of software engineering experience, with hands-on work bringing LLM features to production, including tool-calling and retrieval, plus familiarity with React, Next.js, Supabase, and Python. Remote work from Latin America is supported.