Senior ML Scientist Engineer

Akvelon; Seattle (WA); On-site; USD 120,000 - 180,000; Full time

Job summary

A leading company in technology seeks a Senior Machine Learning Scientist/Engineer to innovate in Natural Language Processing and Large Language Models. This role involves developing advanced reasoning systems and requires substantial research experience in NLP and LLMs. Candidates should have strong Python skills and the ability to work autonomously, with opportunities for professional growth and flexible working conditions.

Benefits

Paid vacation and sick leave

Flexible working schedule

Paid external training and certification

Employee support program

Internal workshops & seminars

Corporate library and internal English classes

Qualifications

• Substantial research experience in Reasoning LLMs and NLP.
• Hands-on experience with training or fine-tuning open-source reasoning LLMs.
• Ability to design and run independent research and experimentation.

Responsibilities

• Lead the development of advanced reasoning and summarization systems.
• Drive innovation in multi-document understanding and reasoning LLMs.
• Work on greenfield challenges with real-world applications.

Skills

Natural Language Processing

Large Language Models

Python

Machine Learning

Education

PhD in Machine Learning, NLP, Computer Science, or related field

Tools

GCP

Job description

Akvelon is a known USA company, with offices in places like Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to the client’s needs and processes.

We are looking for a Senior Machine Learning Scientist / Engineer with a strong research and engineering background in Natural Language Processing and Large Language Models (LLMs) to lead the development of advanced reasoning and summarization systems. You will drive cutting-edge innovation in multi-document understanding, reasoning LLMs, and model alignment techniques, working on greenfield challenges with meaningful, real-world applications.

Requirements:

• Substantial research experience in Reasoning LLMs, Chain of thought, Post training LLMs, RLHF, LLM Alignment, NLP areas
• Hands-on experience with training or fine‑tuning open‑source reasoning LLMs
• Deep expertise in NLP and LLM architectures
• Proven ability to design and run independent research and experimentation
• Strong Python and modern ML tooling skills
• Ability to work autonomously

Nice to have:

• Applied research experience in Financial (Investing) domain
• PhD in Machine Learning, NLP, Computer Science, or a related field
• Applied research experience in industry
• Contributions to notable open‑source LLM projects (datasets, libraries)
• Publications and/or original research in the area
• GCP experience is strongly preferred

Overlap: up to 2PM EST (8PM CET)

Working conditions and benefits:

• Paid vacation, sick leave (without sickness list)
• Official state holidays — 11 days considered public holidays
• Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support
• Flexible working schedule: 8 hours per day, 40 hours per week
• Personal Career Development Plan (CDP)
• Employee support program (Discount, Care, Health, Legal compensation)
• Paid external training, conferences, and professional certification that meets the company’s business goals
• Internal workshops & seminars
• Corporate library (Paper/E-books) and internal English classes

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