Principal Software Development Engineer; SDE AI​/ML

Principal Software Development Engineer (SDE) AI/ML

HCLTech is looking for a highly talented and self‑motivated Principal Software Development Engineer (SDE) AI/ML to join it in advancing the technological world through innovation and creativity.

Job Title: Principal Software Development Engineer (SDE) AI/ML

Job : 1627918

Location: Seattle, WA

Base pay range: $/yr – $/yr

Job Description:

You set the standard for scientific excellence and make decisions that affect the way we build and integrate algorithms. Your solutions are exemplary in terms of system design, clarity, efficiency, and extensibility. You tackle intrinsically hard problems; you’re interested in learning; and you acquire skills and expertise as needed. Your expertise is deep and broad; you’re hands‑on, producing both detailed technical work and high‑level architectural designs.

Principal Engineers are pragmatic visionaries who can translate business needs into workable technology solutions, translating enterprise‑wide requirements into scalable, sustainable products and reviewing critical coding CRs.

• Serve as a technical lead on our most demanding, cross‑functional products.
• Ensure the quality of the architecture and design of distributed high‑performance systems.
• Functionally decompose complex problems into simple, straightforward building blocks.
• Fully and completely understand system interdependencies and limitations.
• Possess expert knowledge in performance, scalability, enterprise system architecture, and engineering best practices.
• Leverage knowledge of internal and industry prior art in design decisions.
• Effectively research and benchmark our technology against other competing systems in the industry.
• Contribute intellectual property through patents.
• Assist in the career development of others, actively mentoring individuals and the community on advanced technical issues and helping managers guide the career growth of their team members.
• Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience.

• Bachelor’s degree in computer science or other engineering field
• 10+ years of experience
• Previous experience with leading the delivery of large‑scale systems focused on large language models, including the data curations, modeling, and evaluation stages, including distillation, supervised fine‑tuning, and policy optimization

• Master’s degree or higher preferred in Computer Science, Machine Learning, or a related field
• Recognized as an expert in a specific AI/ML domain (e.g., Large Language Models, Recommender Systems, Computer Vision)
• Experience influencing senior leadership and driving technical decisions across a large organization
• Previous experience mentoring and developing junior engineers

• Previous deep experience with machine learning, transformer models, and frameworks like PyTorch or Tensor Flow
• System Design and Architecture; AWS, GCP, OCP (principal‑level);
  Data Engineering;
  Machine Learning; API Strategy
• Deliver into Economic and Pricing Modeling, Platform‑as‑a‑Service (PaaS) concepts, Software‑as‑a‑Service (SaaS) concepts

Pay Range Minimum: $220,000 per year

Pay Range Maximum: $240,000 per year

HCLTech is an equal‑opportunity employer, committed to providing equal employment opportunities to all applicants and employees regardless of race, religion, sex, color, age, national origin, pregnancy, sexual orientation, physical disability or genetic information, military or veteran status, or any other protected classification, in accordance with federal, state, and/or local law. Should any applicant have concerns about discrimination in the hiring process, they should provide a detailed report of those concerns to  for investigation.

A candidate’s pay within the range will depend on their skills, experience, education, and other factors permitted by law. This role may also be eligible for performance‑based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies:…