We are looking for experienced, creative and impact-oriented Algorithm Developers to join our team!
As an Algorithm Developer at AI21 you will be responsible for building state of the art algorithms powering LLMs and agentic frameworks. You will be part of a multi-disciplinary team that also includes engineers and product professionals, all working together to bring our products to life.
You will take part in the full life cycle of our development process, deeply understand the problem we are solving, come up with algorithmic approaches for solving these problems, devise strategies for collecting necessary training data, train and evaluate large language models and other machine learning models and also be in charge of deploying these solutions in production.
- Independence and resourcefulness, ability to come up with innovative solutions and evaluate them quickly
- 2+ years of hands-on industry experience in Machine Learning/Deep Learning (utilizing standard frameworks such as TensorFlow, PyTorch, Hugging Face, etc...)
- Experience writing production-grade code
- M.Sc. in Computer Science, Software Engineering, Electrical Engineering, Mathematics, Physics or equivalent research experience
- Understanding of Machine Learning and Deep Learning fundamentals
- Proficient in Python development
- Proficient in data exploration, manipulation and visualization
- Advantage for practical NLP experience
Top Skills
What We Do
AI21 is pioneering the development of enterprise AI Systems and foundation models. Our mission is to transform cutting-edge deep tech research into enterprise-ready AI systems. We offer privately deployed models with unmatched security, privacy and reliability with tailored solutions for every organization. Founded in 2017, AI21 has raised $336 million from leading investors including NVIDIA, Google and Intel.








