This position is a temporary assignment. As a contractor, you’ll be employed by Magnit, not The Cigna Group or any subsidiaries of The Cigna Group.

 

What You’ll Do 
Own and optimize pipelines that combine classical ML and LLM-based systems (RAG, scoring, summarization, etc.) 
Fine-tune and evaluate LLMs using both open-source and proprietary data 
Collaborate with product and engineering teams to build real-world applications in healthcare and biopharma 
Implement retrieval strategies, prompt chaining, and inference orchestration for production use cases 
Monitor and improve model quality, latency, explainability, and safety 
Stay ahead of the curve in LLM evaluation, tuning, and agent-based architectures 

Skills:
2+ years of experience in applied ML. 
Strong Python skills and familiarity with ML/LLM frameworks (PyTorch, Transformers, LangChain, LlamaIndex, etc.) 
Comfortable with embeddings, vector search, retrieval pipelines, and prompt tuning 
Bias for experimentation, clarity, and pushing things into production — fast 
Understanding of responsible AI practices, model evaluation, and observability 
Bonus: experience in healthcare, compliance-sensitive data, or regulated environments 

Education:

College degree or equivalent in computer science or machine learning preferred. 

HS/GED REQUIRED

Hourly Pay Rate Range (dependent on location, experience, expectation) 

The pay range that Magnit reasonably expects to pay for this position is: $60.00/hour-$68.00/hour 

Benefits: Medical, Dental, Vision, 401K (provided minimum eligibility hours are met)

Tundra Technical Solutions (the operator of this Talent Community) is a global leader of contingent talent services. Our success and our clients’ success are built on a foundation of service excellence. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Unincorporated LA County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: client provided property, including hardware (both of which may include data) entrusted to you from theft, loss or damage; return all portable client computer hardware in your possession (including the data contained therein) upon completion of the assignment, and; maintain the confidentiality of client proprietary, confidential, or non-public information. In addition, job duties require access to secure and protected client information technology systems and related data security obligations. 

Qualified applicants will be considered without regard to race, color, age, disability, sex, childbirth (including pregnancy) or related medical conditions including but not limited to lactation, sexual orientation, gender identity or expression, veteran or military status, religion, national origin, ancestry, marital or familial status, genetic information, status with regard to public assistance, citizenship status or any other characteristic protected by applicable equal employment opportunity laws.