Senior Search Engineer / Java - Nosto

At Nosto, we’re on a mission to make every impression relevant. We’re a global leader in the booming e-commerce space and work with amazing customers like FIGS, Muji, Kylie Cosmetics and O’Neill. We are processing data for thousands of merchants with tens of millions of visitors on their sites on a daily basis. Our Commerce Experience Platform uses behavioral data, deep integrations, machine learning, and automated workflows to help brands deliver personalized, high-performing shopping experiences at scale. As an Engineer at Nosto, you’ll be solving one of the biggest challenges brands and retailers face today: How to offer customers relevant and authentic shopping experiences that drive results. We believe in always listening to our customers and achieving big things by accomplishing something small every day. As a Senior Engineer, you’ll join our Product & Engineering organization in shaping Nosto into the leading global platform for commerce experience. Reporting to the Head of Search Engineering, you’ll work within the team that owns our Search and Category Merchandising product. This is a hands-on senior engineering role. You’ll contribute to key architectural decisions, champion improvements, and mentor other engineers. Your work spans the full stack—from infrastructure and backend systems to front-end components—and includes contributing to new AI-powered initiatives such as semantic and conversational search. You’ll collaborate closely with engineering teams (SRE, Data & AI team, and Core Front End) along with our product managers and designers, and also have touch points with our customer success and technical solution managers. You’ll also have meaningful freedom to propose technologies and practices, backed by sound reasoning and real customer value. Our approach is pragmatic, iterative, and grounded in solving actual merchant and shopper challenges. Key responsibilities: Build and improve features in the Nosto Search engine Develop and refine search relevance algorithms, working with analytics to uncover optimization opportunities Maintain and evolve search infrastructure and DevOps processes for performance, scalability, and reliability Design internal and external APIs Write clear and effective internal and customer-facing documentation Architect new services and systems Support internal teams and customers on search-related topics Partner with product managers and designers through a lean, iterative process—informing sprints, quarterly planning, and annual roadmaps. Required skills and experience: The main language will be Java (5+ years), with some TypeScript / JavaScript. The main technologies will be Elasticsearch and Spring. The main infrastructure will be AWS with Terraform. What we offer: Apple Devices 💻 📱 Ergonomic and centrally located offices🏢 with flexible working hours and remote working options 🏡 🗺️ Opportunities to meet and collaborate with awesome team members from all over the world 👋 An extra day off on your birthday 🥳 Mental Health App benefit 🧘 Paid time off to do good for the community around you 🫶 About five weeks of vacation 🌴 and other benefits depending on the location. Nosto Supports Workplace Diversity We are committed to Equal Employment Opportunity without regard for race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or veteran status. If you have a disability or special need that requires accommodation, please let us know.