Senior NLP Engineer

Social Discovery Group; Polska; Remote; PLN 291,000 - 438,000; Full time

Job summary

A leading social discovery company in Poland is seeking a Senior NLP Engineer. You will conduct experiments with large language models, develop evaluation frameworks, and optimize models for efficiency and scalability. Ideal candidates will have strong Python skills and experience with NLP techniques. The position offers a remote opportunity with competitive perks, including 28 vacation days and health benefits.

Benefits

28 vacation days per year

7 wellness days per year

Bonuses for successful referrals

50% payment for professional training

Corporate discount for English lessons

Health benefits up to $1000

Equipped workplace

Qualifications

• Strong proficiency in Python, algorithms, linear algebra, probability, and statistics.
• Deep understanding of machine learning and deep learning techniques.
• Extensive hands-on experience with NLP and large language models.

Responsibilities

• Conduct experiments with LLMs to enhance model quality.
• Develop and maintain evaluation frameworks for model performance.
• Optimize models for inference ensuring efficiency and scalability.

Skills

Python

Algorithms

Linear Algebra

Probability

Statistics

NLP

Machine Learning

Deep Learning

Transformers

Conversational AI

Tools

NumPy

pandas

SciPy

scikit-learn

PyTorch

Transformers

Job description

Social Discovery Group (SDG) is the 3rd largest social discovery company in the world, uniting 60+ brands with 500 million users. We solve the problems of loneliness, isolation, and disconnection by transforming virtual intimacy into the new normal. Our portfolio includes online communication platforms focusing on AI, game mechanics, and video streaming - Dating.com, DateMyAge, Cupid Media, Dil Mil, Kiseki, and others.

SDG invests in IT startups around the world. Our investments include Open AI, Patreon, Flo, Clubhouse, Woebot, Flure, Astry, Coursera, Academia.edu, and many others.

We bring together a team of like‑minded people and IT professionals specializing in the creation and development of globally impactful social discovery products. Our international team of 1200 professionals and digital nomads works all over the world.

Our teams of digital nomads work remotely from Cyprus, Malta, the USA, Armenia, Georgia, Kazakhstan, Montenegro, Poland, Latvia, Serbia, Spain, Portugal, UAE, Israel, Turkey, Thailand, Indonesia, Japan, Hong Kong, Australia and many other locations.

In August 2024, we achieved Great Place to Work US Certification™! This achievement reflects our core belief that a truly exceptional workplace is built on trust, pride, and camaraderie—not just great perks.

We are looking for a Senior NLP Engineer.

Your main tasks will be:

• Conduct experiments with LLMs (SFT, RLHF, Adapters, etc.) to enhance model quality and conversational capabilities.
• Develop and maintain robust evaluation frameworks to measure model performance, accuracy, and user satisfaction (offline & online).
• Optimize models for inference to ensure high efficiency, low latency, and scalability in production environments.
• Collaborate with data scientists, ML engineers, and product teams to seamlessly integrate NLP/LLM solutions into the product pipeline.

We expect from you:

• Strong proficiency in Python, algorithms, linear algebra, probability, and statistics.
• Deep understanding of machine learning and deep learning, including supervised, unsupervised, and reinforcement learning methods.
• Extensive hands‑on experience with NLP and large language models (transformers, embeddings, text generation, conversational AI).
• Practical experience with modern ML frameworks: NumPy, pandas, SciPy, scikit‑learn, PyTorch, Transformers.
• English level B2+ for effective cross‑functional communication.
• (Nice to have) Experience with distributed training on multi‑GPU setups, ML/AI publications, and cloud platforms (AWS/GCP/Azure).
• Strong soft skills: results‑driven mindset, passion for AI innovations, excellent communication, ability to simplify complex concepts, problem‑solving, adaptability, and emotional intelligence.

What do we offer:

• REMOTE OPPORTUNITY to work full time;
• Vacation 28 calendar days per year;
• 7 wellness days per year (time off) that can be used to deal with household issues, to lie down and recover without taking sick leave;
• Bonuses up to $5000 for recommending successful applicants for positions in the company;
• 50% payment for professional training, international conferences and meetings;
• Corporate discount for English lessons;
• Health benefits. According to the paychecks, if you are not eligible for corporate medical insurance, the company will compensate you with up to $1,000 gross per year per employee. This can be spent on self‑purchase of health insurance or on doctor’s fees for yourself and close relatives (spouse, children);
• Workplace organization. The company provides all employees with an equipped workplace and all the necessary equipment (table, armchair, wifi, etc.) in our offices or co‑working locations. In the other locations, the company provides reimbursement of workplace costs up to $1,000 gross once every 3 years, according to the paychecks. This money can be spent on the rent of the co‑working room, on equipping the working place at home (desk, chair, Internet, etc.) during those 3 years;
• Internal gamified gratitude system: receive bonuses from colleagues and exchange them for our merchandise, team building activities, massage certificates, etc.;

Sounds good? Join us now!