Sr. Machine Learning Engineer (Python, LangChain, Postgres) - CONTRACT

VTRAC Consulting Corporation (WBE); Ontario; Remote; CAD 150,000 - 240,000; Full time

Job summary

A leading consulting firm is seeking a Senior Machine Learning Engineer to enhance their AI product using cutting-edge technologies. This remote contract role involves system design, optimizing ML infrastructure, and collaborating with a cross-functional team to deliver impactful solutions. Candidates should have over 10 years of experience in ML engineering, with strong skills in Python and LangChain.

Qualifications

• 10+ years of experience in Machine Learning Engineering.
• Strong experience with Python and LangChain.
• Proficiency in Postgres and familiarity with data modeling.

Responsibilities

• Lead the system design and implementation of ML solutions.
• Develop and iterate on the existing ML pipeline.
• Collaborate with cross-functional teams to support AI capabilities.

Skills

Machine Learning Engineering

Python

LangChain

RAG architectures

Postgres

AWS services

Docker

Kubernetes

Communication

Problem Solving

Education

Degree in Computer Science, AI, or a related field

Tools

Hugging Face

AWS SageMaker

dbt

Snowflake

Job description

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Direct message the job poster from VTRAC Consulting Corporation (WBE)

Senior Consultant, Business Solutions @ VTRAC | Certified Diversity Co.

VTRAC Consulting Corporation

Thank you for applying to VTRAC opportunities. Please e-mail your resume as an MS-WORD document in confidence with the subject: Sr. Machine Learning Engineer (Python, LongChain, Postgres) CONTRACT, attention: [e-mail] or call: [phone]

Position #: 25117X

Position Type: Contract

No. of Positions: 1

Location: Remote

Description:

This is an exciting opportunity for a highly experienced Machine Learning Engineer to enhance a cutting-edge AI product using RAG and LLM technologies. You will focus on production-grade system design, integrating new use cases, optimizing ML infrastructure, and leading the delivery of at least one new use case within our NLQ product. The role involves collaborating with a cross-functional team of engineers and product owners. This is a remote contract opportunity with strong potential for long-term extension.

Key Responsibilities:

• Lead the system design and implementation of ML solutions focused on RAG pipelines, LLMs, and production-grade infrastructure.
• Develop and iterate on the existing ML pipeline, including containerized services deployed via Docker and Kubernetes.
• Design and integrate new use cases for the NLQ product by working with data pipelines and enhancing prompt engineering.
• Collaborate with cross-functional teams to support AI capabilities embedded in real-world applications.
• Drive infrastructure improvements and build new ML components from scratch where necessary.
• Influence architecture decisions, enforce MLOps standards, and promote ethical and compliant AI practices.
• Deliver measurable impact by leading the launch of at least one new use case within the first two months.

Qualifications:

• 10+ years of experience in Machine Learning Engineering, with a strong emphasis on production-grade systems.
• 10 years of experience in Python and LangChain (must-have).
• Strong experience with vector-based search techniques and RAG architectures.
• Proficiency in Postgres and familiarity with data modeling for real-time ML applications.
• Experience with AWS services and containerized deployments (Docker, Kubernetes).
• Familiarity with tools such as Hugging Face, AWS SageMaker, dbt, and Snowflake (nice-to-have).
• Exposure to CRMs or ERMs is a plus.
• Ability to work on infrastructure as well as model-driven workflows.
• Excellent communication, collaboration, and problem-solving skills.
• Degree in Computer Science, AI, or a related field.

We thank all candidates in advance. Only selected candidates for interviews will be contacted. For other exciting opportunities, please visit us at www.vtrac.com. VTRAC is an equal-opportunity employer.

Seniority level

• Mid-Senior level

Employment type

• Contract

Job function

• Design and Engineering

Industries

• Software Development and IT Services and IT Consulting

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