GenAI Engineer – LLM Fine-Tuning | Python | AWS - Mastech Digital

Mastech Digital provides digital and mainstream technology staff as well as Digital Transformation Services for all American Corporations. We are currently seeking a GenAIEngineer – LLM Fine-Tuning | Python | AWS for our client in the Consulting domain. We value our professionals, providing comprehensive benefits and the opportunity for growth. This is a Contract position, and the client is looking for someone to start immediately.

Duration: 12 Months Contract 

Location: Remote – Dallas, TX 75032 

Salary: $81.00-$100.00/Hourly

Role: GenAI Engineer – LLM Fine-Tuning | Python | AWS

Primary Skills: Machine Learning

Role Description: The GenAI Engineer must have 10+ years of experience. For this role, you must be a highly skilled and hands-on NLP & GenAI Engineer with expertise in fine-tuning state-of-the-art language models such as LLAMA and BERT. 

The ideal candidate should have a strong background in Python programming, Text Analytics, OCR, and AWS cloud services. You will be responsible for designing, developing, and optimizing scalable NLP solutions, especially focused on model adaptation and deployment.

Key Responsibilities:

- Fine-tune and customize pre-trained LLMs (e.g., LLAMA, BERT) for domain-specific applications.

- Develop and maintain end-to-end NLP pipelines for tasks like text classification, summarization, and entity extraction.

- Work with OCR tools to extract and analyze text from documents/images.

- Apply Text Analytics techniques to derive insights from unstructured data.

- Build and deploy models using AWS services (S3, EC2, SageMaker, Lambda, etc.).

- Optimize inference performance and memory efficiency of large language models.

- Collaborate with Data Scientists and Engineers to integrate models into production systems.

- Stay up to date with the latest research in GenAI, NLP, and ML.

Required Skills:

- Strong hands-on programming in Python for NLP and ML workflows.

- Proven experience with LLMs (LLAMA, BERT, or similar) and fine-tuning techniques.

- Proficiency in Text Analytics, NLP libraries (spaCy, HuggingFace Transformers, NLTK).

- Experience with OCR tools like Tesseract, Google Vision API, or AWS Textract.

- Solid understanding of AWS ecosystem for ML deployment and orchestration.

- Familiarity with model evaluation, prompt engineering, and vector stores is a plus

Education: Bachelor’s degree in Computer Science, Electrical/Electronic Engineering, Information Technology or another related field or Equivalent

Experience: Minimum 10+ years of experience

Relocation: This position will not cover relocation expenses

Travel: No

Local Preferred: Yes

Note: Must be able to work on a W2 basis (No C2C)

Recruiter Name: Gaurav Bhadana

Recruiter Phone: 215-967-4284

Benefits:

We have various coverages and additional benefits to choose from:

- Medical, Dental (Including Ortho) & Vision Insurance (Option to Enroll).

- Paid Leaves (Wherever applicable).

- Life & Disability Coverage (Upon eligibility).

- 401K Option, Education Assistance Program and more.

Mastech Digital is an Equal Opportunity Employer - All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status