Experteer Overview Senior Software Engineer at Kompanion to help build an AI-native platform for tax, accounting, and financial workflows. You’ll own features end-to-end and influence product and engineering culture in a small, growing team. You work across the stack, improve reliability, security, and performance, and collaborate with Tax, Accounting, Growth, and Operations. This is a hands-on role with broad ownership and a clear impact on product and platform quality.Compensaciones / Ventajas - Own features end to end from definition to production and validation - Build across the stack with emphasis on backend systems and business logic - Operate the platform in production, improving reliability, performance, observability, and security - Collaborate closely with Tax, Accounting, Growth, and Operations - Develop integrations, automations, internal tools, and AI-powered features - Improve architecture, developer experience, testing,



and engineering standards - Review code, mentor engineers, and participate in hiringResponsabilidades - 5+ years of experience building and operating production software - Strong backend engineering experience - Proficiency with Java and Spring Boot or ability to become productive quickly - Solid PostgreSQL knowledge (data modeling and query performance) - Ability to work with React or Next.Js when needed - Experience owning systems in production - Strong fundamentals in clean code, testing, security, and system design - High autonomy and ability to convert ambiguous problems into shipped products - Degree in Computer Science, Software Engineering, or related field welcome but not requiredRequisitos principales -

📌 Fullstack Developer (Barcelona)
🏢 Experis
📍 Barcelona