
Location: Stockholm, Sweden (Hybrid working model)
Employment Type: Full-time
Compensation: Competitive salary + equity/warrants
We are hiring for one of our clients, a fast-growing AI-driven product company operating at the intersection of AI, e-commerce, and retail technology. They are looking for a Senior AI/ML Engineer to design, build, and scale machine learning systems powering real-world production use cases. The role focuses on building and deploying ML models and AI systems that operate at scale, including LLM-powered features, intelligent product matching, and real-time data-driven experiences. You will work closely with product, engineering, and leadership teams to translate business needs into production-ready AI solutions and help define best practices for machine learning and AI engineering across the organization.
Design, build, and train machine learning models for production use cases
Develop and maintain scalable ML infrastructure and pipelines with MLOps best practices
Deploy and monitor ML models in production environments, ensuring reliability and performance
Integrate LLMs and AI APIs into production systems (RAG, prompt engineering, evaluation, experimentation)
Improve model performance through iterative refinement and continuous monitoring
Collaborate with product and engineering teams to translate business requirements into technical solutions
Contribute to architectural decisions and AI/ML best practices within the organization
Research and evaluate emerging AI technologies and determine readiness for production use
5+ years of software engineering experience, including at least 2 years in ML systems
Strong Python skills and experience with ML frameworks such as PyTorch and/or TensorFlow
Proven experience building and deploying ML models into production environments
Strong understanding of MLOps practices, including monitoring, deployment, and lifecycle management
Experience with LLMs, RAG systems, prompt engineering, or evaluation frameworks
Strong problem-solving skills and ability to work with ambiguous technical challenges
Excellent communication skills and ability to explain technical concepts to non-technical stakeholders
Comfortable working independently in a fast-paced startup environment
Fluent in English
Experience in e-commerce, recommendation systems, or search/matching systems
Experience with high-scale distributed systems or real-time data pipelines
Experience working in product-driven AI teams
Exposure to retail, media, or marketplace platforms
We believe you are:
Highly ownership-driven and proactive
Curious about AI and continuously exploring new technologies
Strong in both execution and system thinking
Collaborative and comfortable working cross-functionally
Comfortable making decisions in ambiguous environments
Passionate about building real-world AI products
Opportunity to work on AI systems powering real-world commerce at scale
High-impact role influencing product, architecture, and AI strategy
Close collaboration with senior engineering and product leadership
Competitive compensation with equity/warrants
Hybrid and flexible working environment
International, fast-moving, and innovation-driven culture
This Position is Sponsored by Sperton Global, a recruitment and consulting company with an international reach. We are committed to helping our clients achieve success in their hiring processes, finding the right people for the right positions.

SPERTON is a full-range provider of Global Recruitment, People Management, Global Mobility and Business support services within focused industry sectors. Our head office is located in Norway. We have over 20 years’ of experience supporting clients within the Human Resources area. We can support you globally through our own companies and partners in more than 140 countries.
Sperton had been specializing in the supply of the very best freelance and permanent white-collar professionals working with projects. We provide consultant and recruitment services to companies of all types and sizes, including consultancies, contractors, sub-contractors, developers and end clients operating across a wide range of projects and environments.
Now our services also include People Management, Global Mobility and Business Support Services.
Legal entity set-up, payroll services, HR administration, compliance, and insurance provision, cultural awareness training, and mobility support – everything needed to work compliantly with local legislation and regulations in different countries.
With over 20 years of global experience within project execution, we understand your challenges and know how to support you from the start to the end of the project.