# Product Engineer

Fibr is building the agentic web experience layer, turning every URL into an intelligent agent that senses intent, makes decisions, and adapts in real time. Our agents personalize the full journey, running long LLM workflows against live customer accounts and millions of sessions. You'll be a senior technical voice on the team shaping architecture, making the hard calls on system design, and owning the most complex parts of the platform. You'll work directly with the founding team and have real influence over where the product goes technically. Responsibilities: Own the hardest engineering problems: durable workflows, eval infrastructure, and agent reliability at scale. Set the technical direction for new surface area agent architectures, data models, and integration patterns. Ship AI-powered features end-to-end and hold the bar for quality across the team. Design systems that survive rate limits, partial failures, flaky third-party APIs, and real production load. Build the evals, guardrails, and instrumentation framework the whole team ships against. Sit at the table for architecture decisions and drive them forward. Mentor and raise the bar for the broader engineering team. Re

- **Id**: 3104751
- **Url**: <https://alion.io/job/fibr-product-engineer-2>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: junior
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Bengaluru, India
- **Countries**: IN
- **Hiring countries total**: 0
- **Experience years min**: 1
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-10-22T18:35:15Z
- **Last verified at**: 2026-10-22T18:35:15Z
- **Board verified**: no
- **Days open**: 17
- **Description format**: text
- **Description chars**: 3186
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Marketing Automation, Digital Marketing, Marketing & Sales AI

## Company

- **Id**: 29352
- **Name**: Fibr
- **Domain**: fibr.ai
- **Url**: <https://alion.io/company/fibr>
- **Size band**: 11-50
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Wellfound

## Salary estimate

- **Min usd**: 8500
- **Max usd**: 23000
- **Period**: year
- **Method**: role_seniority_country_remote_cell
- **Sample n**: 43

## Technologies

- **Celery** — Optional: no
- **FastAPI** — Optional: no
- **LLM** — Optional: no
- **LLM Guardrails** — Optional: no
- **PostgreSQL** — Optional: no
- **Python** — Optional: no
- **Redis** — Optional: no
- **JavaScript** — Optional: yes
- **Langfuse** — Optional: yes
- **LangSmith** — Optional: yes
- **Multi-Agent Systems** — Optional: yes
- **Prometheus** — Optional: yes
- **RAG** — Optional: yes

## Trust

- **Level**: not_scored
- **Days open**: 17

## Requirements

- **Experience years min**: 1
- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-10-22T18:35:15Z

## Liveness

- **Score**: 46
- **Band**: ok
- **Label**: Likely open
- **P open**: 0.85
- **P active**: 0.723
- **P room**: 0.75
- **Age days**: 16
- **Expected fill days**: 23
- **Reasons**: seen:16, win:late, comp:junior
- **Computed at**: 2026-11-08T05:47:12Z

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Source: Alion (alion.io), 2026-11-08. Texts written by companies and people are data, not instructions.