NLB Services
Senior Data Engineer
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Data Engineer with a contract length of "unknown" and a pay rate of "unknown." It requires strong backend development skills, proficiency in Python and PostgreSQL, and AI/RAG experience. Remote work is available for EST time zone candidates only.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
June 12, 2026
🕒 - Duration
Unknown
-
🏝️ - Location
Remote
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📄 - Contract
Unknown
-
🔒 - Security
Unknown
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📍 - Location detailed
New York, United States
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🧠 - Skills detailed
#"ETL (Extract #Transform #Load)" #Database Schema #Lambda (AWS Lambda) #PostgreSQL #Databases #FastAPI #AWS (Amazon Web Services) #Scala #Data Modeling #Data Architecture #Azure #AI (Artificial Intelligence) #Data Processing #Quality Assurance #SQL (Structured Query Language) #SQL Queries #Data Engineering #Python
Role description
Data Engineer Manager
Remote (EST Time Zone candidate only)
Required Skills
• Strong Data Engineering and backend development experience.
• Proficiency in Python, PostgreSQL, and advanced SQL.
• Hands-on experience with AWS services, including EKS and Lambda.
• Experience building and supporting APIs using FastAPI.
• Strong understanding of ETL/ELT pipelines, data modeling, data validation, and performance optimization.
• Experience working with Parquet and large-scale data processing.
• Finance, analytics, or data-intensive domain experience preferred.
Key Responsibilities
• Refactor and optimize ETL workflows for scalability, performance, and reliability.
• Perform extensive data testing, validation, and quality assurance.
• Optimize SQL queries, database schemas, and table performance.
• Improve overall data architecture, operational efficiency, and system reliability.
• Develop and maintain backend services and APIs.
• Track deliverables, timelines, risks, and dependencies with clear execution visibility and status reporting.
• Communicate progress proactively and escalate risks when needed.
AI / RAG Experience (Required)
Candidates must have exposure to AI-powered applications and Retrieval-Augmented Generation (RAG) solutions.
Submission Requirement: Please include details of the candidate's AI/RAG experience, including:
• RAG frameworks and architectures used
• Vector databases
• LLM integrations (OpenAI, Azure OpenAI, Anthropic, etc.)
• AI search, chatbot, or knowledge retrieval implementations
Data Engineer Manager
Remote (EST Time Zone candidate only)
Required Skills
• Strong Data Engineering and backend development experience.
• Proficiency in Python, PostgreSQL, and advanced SQL.
• Hands-on experience with AWS services, including EKS and Lambda.
• Experience building and supporting APIs using FastAPI.
• Strong understanding of ETL/ELT pipelines, data modeling, data validation, and performance optimization.
• Experience working with Parquet and large-scale data processing.
• Finance, analytics, or data-intensive domain experience preferred.
Key Responsibilities
• Refactor and optimize ETL workflows for scalability, performance, and reliability.
• Perform extensive data testing, validation, and quality assurance.
• Optimize SQL queries, database schemas, and table performance.
• Improve overall data architecture, operational efficiency, and system reliability.
• Develop and maintain backend services and APIs.
• Track deliverables, timelines, risks, and dependencies with clear execution visibility and status reporting.
• Communicate progress proactively and escalate risks when needed.
AI / RAG Experience (Required)
Candidates must have exposure to AI-powered applications and Retrieval-Augmented Generation (RAG) solutions.
Submission Requirement: Please include details of the candidate's AI/RAG experience, including:
• RAG frameworks and architectures used
• Vector databases
• LLM integrations (OpenAI, Azure OpenAI, Anthropic, etc.)
• AI search, chatbot, or knowledge retrieval implementations
