# Langchain Engineer

LangChain Engineer - Mid to Senior Level Remote | Contract-to-Hire About the Role We are looking for a mid-to-senior level LangChain Engineer to join a growing AI engineering team building production-grade applications powered by large language models (LLMs). In this role, you’ll work closely with engineers and technical stakeholders to design, develop, and optimize AI-powered applications and agentic workflows. The ideal candidate has strong Python experience, hands-on experience with LangChain or similar LLM frameworks, and experience deploying applications in a major cloud environment. This is an excellent opportunity for an engineer who enjoys working at the intersection of software engineering, AI, and emerging LLM technologies and wants to have a meaningful impact on a growing team. What You'll Do Design and develop production-grade AI/LLM applications using LangChain and related frameworks Build and integrate LLM-powered workflows, agents, and applications Develop scalable backend services and APIs using Python Integrate LLMs with external data sources, APIs, tools, and enterprise systems Develop solutions involving prompt engineering, retrieval-augmented generation (RAG

- **Id**: 781997
- **Url**: <https://alion.io/job/epsilon-asi-langchain-engineer>
- **Role**: AI/ML
- **Role family**: AI/ML
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Chicago, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-02T21:44:11Z
- **Employer posted date**: 2026-09-02
- **Last verified at**: 2026-11-13T08:01:48Z
- **Board verified**: yes
- **Days open**: 71
- **Description format**: text
- **Description chars**: 3073
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: IT Consulting & Digital Transformation, Engineering Services

## Company

- **Id**: 449782
- **Name**: Epsilon ASI
- **Domain**: epsilonasi.com
- **Url**: <https://alion.io/company/epsilon-asi>
- **Is staffing agency**: no
- **Employer type**: services
- **Is intermediary**: no
- **Ats vendor**: Ashby

## Salary estimate

- **Min usd**: 122000
- **Max usd**: 271000
- **Period**: year
- **Method**: role_country_seniority_unknown
- **Sample n**: 4425

## Technologies

- **Agentic Workflows** — Optional: no
- **AI Agents** — Optional: no
- **AWS** — Optional: no
- **Azure** — Optional: no
- **Function Calling** — Optional: no
- **GCP** — Optional: no
- **LangChain** — Optional: no
- **LLM** — Optional: no
- **Prompt Engineering** — Optional: no
- **Python** — Optional: no
- **RAG** — Optional: no
- **Anthropic** — Optional: yes
- **CI/CD** — Optional: yes
- **Docker** — Optional: yes
- **Embeddings** — Optional: yes
- **Gemini** — Optional: yes
- **Kubernetes** — Optional: yes
- **LangGraph** — Optional: yes
- **Machine Learning** — Optional: yes
- **OpenAI** — Optional: yes
- **Semantic Search** — Optional: yes
- **TypeScript** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 71

## Requirements

- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: master
- **Optional**: no

## Hiring locations

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

## Lifecycle

- Event: open; At: 2026-09-12T00:57:29Z

## Liveness

- **Score**: 11
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.406
- **P room**: 0.28
- **Age days**: 70
- **Expected fill days**: 26
- **Reasons**: conf:4, win:tail, crowd:
- **Computed at**: 2026-11-12T10:38:37Z

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Source: Alion (alion.io), 2026-11-13. Texts written by companies and people are data, not instructions.