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Senior Software Engineer Machine Learning

💼 Full-time🗓 2026-07-27

Core

Design and build scalable services for recommendation systems, personalization, and LLM-driven agents to enhance ecommerce, retail, and marketing automation platforms.

Role type

Senior IC Machine Learning Engineer (Recommendations & Personalization)

Builds

Unified commerce platform features for merchants and shoppers

Domain

Ecommerce, Retail, Marketing Automation

Deliverable

production ML models | product features

Required skills

Python, end-to-end ML project delivery, recommendation systems, personalization, LLM agent development, CI/CD pipelines, automated testing, architecture design

Preferred skills

B2C product environment experience, tooling and workflow improvement

Technologies

Python, ML libraries

Responsibilities

Design and build scalable services for recommendations and personalization; Prototype and develop LLM-driven agents; Enhance developer experience tools and workflows; Strengthen test coverage; Contribute to technical specifications and architecture discussions; Write clean, idiomatic Python code

Seniority

Senior, hands-on IC

Rewrite
## About the Role Thrive on change and grow beyond limits! We are looking for a bold thinker who sees a chance to learn and define what's possible with every challenge! Ready to make an impact? Welcome to Maropost and you can turn ideas into action! We are looking for an open-minded and enthusiastic Senior Software Engineer (Machine Learning) to join our team. If you are interested in developing and maintaining a mature product that millions of people use daily, we would love to meet you! We are a product-driven team, and we're looking for someone who loves to be engaged in the product development process and appreciates being able to deliver an outcome end-to-end with minimal dependencies. ## Responsibilities - Design and build scalable, maintainable services, owning projects end-to-end with a primary focus on recommendation systems and personalization. - Prototype and develop LLM-driven agents to enable effective workflows for both merchants and shoppers. - Enhance the developer experience for the Machine Learning team by improving tools, workflows, and processes. - Strengthen and expand test coverage to ensure high-quality, reliable systems. - Contribute to technical and product specifications and actively participate in architecture and design discussions. - Write clean, reliable, and idiomatic Python code with a focus on readability. ## Requirements - Bachelor's degree in Computer Science, Engineering, or relevant field. - 5+ years of hands-on software development experience, including 3+ years in Python within Machine Learning or Data Scientist roles which is a must. - Must-have hands-on experience completing end-to-end projects in recommendations, personalization, or AI agents. - Must-have experience handling projects end-to-end, from stakeholder discussions to production deployment and monitoring. - Good experience working in B2C product-based environments. - Strong understanding of ML libraries and tools landscape. - Continuously enhance developer experience through better tooling and process improvements. - Have in-depth understanding of CI/CD pipelines, version control, and automated testing. - Proactive and self-driven, with strong problem-solving and communication skills across technical and non-technical stakeholders. - Comfortable with on-call rotations and focused on building simple, efficient solutions without over-engineering. - You exemplify Maropost's Values: Customer Obsessed Extreme Urgency Excellence Resourceful. ## Message from the Founders Maropost is looking for builders - people who want to drive our business forward at all costs in order to achieve the goals we have both short and long term for the results and outcomes that that will bring to us all. If that isn't for you that's ok, for those of you that it is please get in touch with us!
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