Overview
La experiencia que se espera de los solicitantes, así como las habilidades y cualificaciones adicionales necesarias para este trabajo, se enumeran a continuación.
In this role you will design and build AI-enabled market intelligence products that transform public web data into actionable insights. You’ll modernize a legacy, build scalable, event-driven services, and collaborate with cross-functional teams to meet customer needs. You will influence architecture and engineering practices while mentoring peers. The position centers on improving pricing, compliance, and competitive visibility for merchants through innovative tech.
Compensaciones / Beneficios
Gym membership discounts via Wellhub
Private health insurance discounts
Free organic fruit and coffee
Learning & development opportunities
Office in Barcelona with 360° city views
Adaptable working hours (as per schedule)
Responsabilidades
Design, implement, and maintain new products and features for clients
Lead technical projects from discovery to delivery and continuous improvement
Modernize legacy codebase toward a scalable, asynchronous architecture
Develop and deploy AI-based solutions (ML/DL, LLMs) to generate insights
Collaborate with UX, Infrastructure,



Data, Support, and CSM teams to solve customer problems
Improve engineering practices, architecture, and technical standards
Contribute to products that help customers optimize pricing and monitor compliance
Work on systems processing large volumes of public web data to generate insights
Requisitos principales
Senior-level software engineering experience with production-grade software delivery
Experience reviewing and improving AI-generated code from AI coding agents
Experience with cloud infrastructure and distributed systems (Kubernetes, xqbhyrx Redis, Celery)
Proven track record building and maintaining SaaS in production
Strong fundamentals: maintainable, testable, scalable, well-structured code
Experience with Domain-Driven Design (DDD) and modular architectures
Professional English proficiency (written and spoken)
Strong collaboration across cross-functional teams
Mentoring and knowledge sharing
Leadership in driving architectural decision-making
PHP and/or Python
AI/ML/DL model experience and LLM-based solutions
Cloud-native and microservices architectures

📌 Senior Software Engineer (Barcelona)
🏢 Lengow
📍 Barcelona