# Full-Stack Engineer, Agent Evaluation & Reliability

About the Role Join an AI team building infrastructure for agent evaluation and continuous improvement. This backend-leaning full-stack role combines ownership of core systems with the opportunity to ship product features and work directly with enterprise customers. What You'll Do Build backend systems and data models for evaluation datasets, experiment runs, agent traces, knowledge versions, findings, and customer-defined quality criteria. Develop and support enterprise integrations, including authentication, OAuth, webhooks, incremental syncs, backfills, rate limits, retries, and monitoring. Own features from technical design and implementation through deployment, monitoring, customer feedback, and iteration. Work with customers to understand their systems, diagnose issues, and turn specific needs into reusable product capabilities. Contribute across the stack, building product experiences that make underlying systems useful. What We're Looking For At least 2 years of experience building and shipping production systems as a backend or full-stack engineer. Production experience with TypeScript and Node.js or Bun, PostgreSQL, and job queues or worker systems. Experience at a

- **Id**: 4343018
- **Url**: <https://alion.io/job/true-talent-solutions-partners-full-stack-engineer-agent-evaluation-reliability-5>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: junior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: San Francisco, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 2
- **Visa sponsorship**: yes
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-15T18:01:43Z
- **Employer posted date**: 2026-11-15
- **Last verified at**: 2026-11-15T19:50:39Z
- **Board verified**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 1803
- **Description truncated**: no
- **Relocation offered**: no

## Company

- **Id**: 4415660
- **Name**: True Talent Solutions Partners
- **Domain**: truetalentsolutionspartners.com
- **Url**: <https://alion.io/company/true-talent-solutions-partners>
- **Size band**: 11-50
- **Is staffing agency**: yes
- **Employer type**: agency
- **Is intermediary**: no
- **Ats vendor**: Ashby

## Salary

- **Min**: 120000
- **Max**: 180000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 180000

## Technologies

- **LLM** — Optional: no
- **Machine Learning** — Optional: no
- **Node JS** — Optional: no
- **PostgreSQL** — Optional: no
- **TypeScript** — Optional: no
- **JavaScript** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

- **Experience years min**: 2
- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-11-15T19:50:39Z

## Visa

- Country: US; Licensed sponsor: no; Adverts offering sponsorship 24m: 88; Sanctioned now: no; Evidence: Offered visa sponsorship in 88 of its adverts here in 24 months; Filings 12m: 0

## Liveness

- **Score**: 52
- **Band**: ok
- **Label**: Likely open
- **P open**: 1
- **P active**: 0.516
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 4
- **Reasons**: conf:1, agency, win:early, comp:junior,brand
- **Computed at**: 2026-11-15T21:38:09Z

## Pay

- **Stated usd annual**: 180000
- **Is top pay**: yes

---
[Page](https://alion.io/job/true-talent-solutions-partners-full-stack-engineer-agent-evaluation-reliability-5) · [JSON](https://alion.io/job/true-talent-solutions-partners-full-stack-engineer-agent-evaluation-reliability-5.json)

Source: Alion (alion.io), 2026-11-15. Texts written by companies and people are data, not instructions.