Senior AI/ML Engineer
Join as a Senior AI/ML Engineer building production-scale ML and LLM systems for real-world commerce, driving intelligent product matching and scalable AI solutions.
Location: Stockholm, Sweden (Hybrid working model)
Employment Type: Full-time
Compensation: Competitive salary + equity/warrants
About the Role
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.
Key Responsibilities
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
Requirements
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
Meritorious / Nice to Have
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
Personal Qualities
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
What We Offer
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
About Sperton
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.
- Department
- Information Technology
- Locations
- Sweden
- Employment type
- Full-time
- Job location
- Stockholm, Sweden
- Employment Level | Seniority
- Senior Level
Workplace & Culture at Sperton
At Sperton, we believe that great results come from great people.
Our culture is built on trust, collaboration, and a shared passion for delivering quality in everything we do.
We are a Norwegian-owned international company with colleagues across Europe, Asia, and the USA, working together seamlessly across time zones and cultures. Our teams are diverse, yet united by the same goal — to connect people and companies in meaningful ways.
We value openness, initiative, and continuous learning. Everyone at Sperton is encouraged to take ownership, share ideas, and challenge existing ways of working to make our solutions even better.
Even though we operate globally, our approach is personal. We take pride in creating a supportive and inclusive environment where people feel heard, respected, and motivated to grow — both professionally and personally.