Python Developer – AI & ETL Engineer with LangChain, Chroma, MongoDB
- ASAP
- Hanoi
- Full Time
ASAP
Hanoi
Full Time
Overview
A results-driven Python Developer specializing in building AI-powered automation workflows using LangChain. Strong proficiency in document/email processing, ETL pipelines, MongoDB, Chroma, and data manipulation with Pandas. Bonus expertise in Salesforce plugin development with Java, enabling seamless integration with CRM workflows. Ideal for transforming unstructured communication into structured, actionable insights.
🛠️ Technical Skills
Languages & Frameworks
- Python (Advanced – automation, AI pipelines, API development)
- Java (for Salesforce plugin/custom integration)
- FastAPI / Flask (API layer)
- Pandas (ETL & data wrangling)
LLMs & AI Tools
- LangChain (Chains, agents, tools, retrievers, RAG architecture)
- OpenAI / Anthropic LLMs
- Prompt Engineering
- Chroma (Vector store – semantic search, metadata filtering)
- Named Entity Recognition (NER), Summarization, Classification
Data & Storage
- MongoDB (primary data store – structured/unstructured data, case management)
- Chroma (vector search – for semantic document lookup)
- Salesforce (data sync & plugin development via Java-based integrations)
- JSON, YAML, and nested data structure manipulation
ETL & Data Pipelines
- End-to-end pipeline building: extraction, transformation, and load
- PDF, email, and file ingestion
- Data hydration: merging case data with internal DBs, CRM, and APIs
- Schedule and trigger-based processing
⚙️ Responsibilities They Can Own
Email & Document Parsing:
- Extract metadata, content, attachments from email servers or shared drives
- Parse PDFs, Word docs, HTML, plain text using reliable libraries
Case Generation Pipeline:
- Transform raw unstructured inputs into structured, queryable „cases“
- Use LLMs to classify, extract intent, and associate case metadata
Data Hydration & Enrichment:
- Query MongoDB and external APIs (e.g., Salesforce) to enhance data completeness
- Update or create Salesforce records via plugin interfaces if needed
AI Workflow Orchestration (LangChain):
- Implement step-based chains to analyze case data
- Integrate Chroma vector searches for semantic enrichment
- Use LLM reasoning to output decisions/actions
ETL Management:
- Build robust pipelines with retry logic, logging, and monitoring
- Optimize large-scale data transformations using Pandas
- Handle schema changes and maintain backward compatibility
💼 Bonus: Salesforce Plugin Development
- Java experience with Salesforce plugin/API development
- Able to push/pull data to/from Salesforce for contextual case enrichment
- Can work with Salesforce Events, Flows, or REST APIs from both Java and Python layers
Become part of our team and apply now in just a few minutes!
Mobile working and flexible working hours
You have the opportunity to work remotely or in the office
Free drinks (coffee, water, etc.)
A variety of different drinks await you in our modern offices.
Corporate events
You are cordially invited to our team events over the year.
Modern work equipment
Powerful laptops and innovative software offer optimal working conditions for your success.
Training budget
We attach great importance to regular training and personal development opportunities.
30 vacation days
30 days of vacation offer you the perfect balance between professional demands and personal relaxation.
