Machine Learning Engineer

Nextory AB; Stockholms kommun; On-site; SEK 496,743 - 772,712; Full time

Job summary

Nextory is seeking a Machine Learning Engineer based in Stockholm, Sweden. The candidate will develop AI-powered systems to enhance book discovery and user engagement. This role requires strong programming skills in Python and experience in building LLM-driven features.

The ideal candidate will thrive in a collaborative and innovative environment, focusing on delivering measurable user impacts. Nextory fosters a culture of inclusivity and encourages team collaboration primarily at their Stockholm office.

Qualifications

• At least 3 years of experience in a similar role.
• Experience building and shipping LLM-powered features to production.

Responsibilities

• Build intelligent recommendation, search, and discovery systems.
• Continuously improve relevance, engagement, and user experience.
• Design and operate scalable machine learning systems.
• Collaborate across teams to deliver AI-powered features.

Skills

Python programming

AI agents experience

Machine Learning systems

Product thinking

Complex problem-solving

Education

BSc in Computer Science or equivalent

Job description

Machine Learning Engineer

As a Machine Learning Engineer at Nextory, you will build the systems that power how users discover, understand, and engage with books. You will work across AI agents, search, recommendations, retrieval, and product experiences, turning advances in AI into features that users interact with every day.

Responsibilities

• Build intelligent recommendation, search, and discovery systems that help users find their next favorite book and connect with the right content faster.
• Use AI, user behavior, and content understanding to continuously improve relevance, engagement, and user experience.
• Design, build, and operate scalable machine learning systems using LLMs, retrieval, recommendation, and agent technologies.
• Collaborate across product and engineering teams to deliver reliable AI-powered features with measurable user impact.

About You

We believe you are an experienced engineer who enjoys solving complex problems and turning emerging technology into products that people love using. You are comfortable moving between product thinking and technical implementation, and you thrive in environments where experimentation, ownership, and fast iteration are part of everyday work.

Qualifications

• BSc in Computer Science or another relevant field, or equivalent work experience.
• At least 3 years of experience in a similar role.
• Strong programming skills in Python.
• Experience working with AI agents and agent-based systems.
• Experience building and shipping LLM-powered features to production.

Nextory Way of Working

We believe a strong and inclusive culture is key to our success and that culture flourishes when we meet and collaborate in person as much as possible. That’s why we spend the majority of the working time at our beautiful office! We are based in Stockholm, Sweden, with offices in Paris and Bangalore. Our hybrid work policy includes four days in the office and Wednesdays as a work-from-home day.

Additional Information

Please note that we do not offer relocation and that a six-month probationary period applies.

We look forward to your application. Applications are reviewed continuously, but due to summer vacations, our response times may be a little longer than usual. If you have any questions about the role, please contact [e-mail].