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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Machine Learning Engineer - **Company:** Visium SA - **Location:** Madrid, Spain (Remote available) - **Salary:** €170,000.0 - €200,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, Software Quality, Information Engineering, Machine Learning, Software Engineering, Backend, Machine Learning Operations - **Published:** July 21, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role Requirements:5+ years of software engineering experience, with at least 2+ years focused on machine learning, data, or recommendation systems.Experience building or scaling large-scale consumer-facing feeds or ranking systems.Strong backend and data engineering skills, including system design and productionizing ML models.Deep understanding of recommendation dynamics, consumer app behavior, and product/market fit.Ability to work autonomously in a fast-paced, dynamic environment and navigate ambiguity.Strong analytical, problem-solving, and experimentation skills.Excellent communication skills in English (CEFR Level C2 / ILR Level 5).Passion for building technology that positively impacts millions of users.Benefits:Competitive salary: $170,000 - $200,000 USD per year, with annual review and potential increases.Equity compensation opportunities and performance-based bonuses.Fully remote work with autonomy and trust to manage outcomes.35 days of PTO annually, plus paid sabbatical after ## Description Inscribirse en esta oferta This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Machine Learning Engineer, Discover in Spain.This role focuses on building a large-scale recommendation engine for a discovery marketplace that connects millions of users to creators, communities, and products that help them achieve personal and professional growth. You will design, implement, and optimize machine learning systems, from embeddings and ranking models to experimentation frameworks, to enhance the user experience. Working closely with leadership, you will influence product direction while maintaining high standards for performance, scalability, and quality. The position offers a fully remote, collaborative, and fast-paced environment, emphasizing autonomy, creativity, and impact. Your work will directly affect the discovery and engagement of millions of users, shaping how people explore, learn, and grow through the platform.Accountabilities: + Design, implement, and iterate on large-scale ML systems powering the discovery feed and recommendation engine. + Optimize recommendation algorithms to improve relevance, performance, and scalability of user experiences. + Partner with leadership to align technical solutions with product vision and user growth goals. + Conduct experiments, analyze data, and use insights to enhance ranking models and embeddings. + Collaborate with cross-functional teams to ensure smooth integration of ML systems into production. + Maintain high standards of code quality, system performance, and documentation. + Explore and evaluate emerging technologies and ML approaches to continuously improve discovery capabilities., Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #LI-CL1We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.Inscribirse en esta oferta Recibir ofertas similares por correo electrónico Al crear una alerta, aceptas nuestros Términos y condiciones y Política de privacidad, y el uso de cookies. ## Related Videos - [How We Built a Machine Learning-Based Recommendation System (And Survived to Tell the Tale)](https://www.wearedevelopers.com/videos/752-how-we-built-a-machine-learning-based-recommendation-system-and-survived-to-tell-the-tale) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Let's Talk Quality! - Lilia Gargouri](https://www.wearedevelopers.com/videos/1815-let-s-talk-quality-lilia-gargouri) - [Your next 10x engineer isn't in your city. Refactor accordingly.](https://www.wearedevelopers.com/videos/100103-your-next-10x-engineer-isn-t-in-your-city-refactor-accordingly) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How Much Does a Software Engineer Make? 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