Lengow is a leader in intelligent e-commerce solutions that help brands and retailers drive profitable growth across the digital shelf. With powerful feed management, integral price monitoring, and robust data capabilities, Lengow's comprehensive SaaS product suite enables merchants to amplify product visibility online, outrun competition with informed pricing, multiply sales on marketplaces, and monitor brand presence among distributors. Since 2009, Lengow has fueled digital growth for over 3,600 customers across thousands of marketing and sales channels in over 60 countries.

Lengow is a profitable company.

The Market

Intelligence team builds products that turn large amounts of public web data into actionable market intelligence for our customers. We help businesses monitor prices, sellers, and market changes, identify pricing opportunities, and ensure compliance with commercial and contractual requirements. At the same time, the team is modernizing the underlying platform to make it more scalable, modular, event-driven, and asynchronous, enabling us to build and deliver new products faster.

Join the Market Intelligence team, working alongside Senior Software Engineers and Software Engineers. Take ownership of projects from discovery and technical design through implementation, delivery, and continuous improvement. Work on systems that process and leverage large amounts of public web data to generate actionable insights and intelligence for our customers.

Collaborate closely with other technical teams, including User Experience,



Infrastructure, and Data, as well as with Support and Customer Success Managers (CSMs) when needed, to understand customer needs and solve complex problems. Monitor seller compliance, including branding, product images, and other requirements. Senior-level software engineering experience, with a strong track record of designing and delivering production-grade software.

Experience using AI coding agents as part of the software development workflow, with the ability to effectively review, validate, and improve AI-generated code.

Experience with cloud infrastructure and distributed systems, including technologies such as Kubernetes, queues (e.g. Celery), Redis, and similar tools. Strong software engineering fundamentals, including writing maintainable, testable, scalable, and well-structured code. Professional proficiency in English, both written and spoken. Strong experience with PHP and/or Python.

Experience working in an Agile development environment.

Experience with, or a strong interest in learning about and tackling challenges involving AI and machine learning, including ML/DL models and LLM-based solutions.

Experience with Kubernetes migrations or cloud-native architectures.

Working Hours: Monday to Thursday from 9 am to 6 pm, Friday from 9 am to 3 pm.

Environment: Fast-growing tech company, young and international team. Private health insurance discounts. Free organic fruit and coffee. Barcelona - Office with 360o views of the city.

📌 Senior Software Engineer C# - FLEXIBLE WORKING (Barcelona)
🏢 Lengow
📍 Barcelona