Fullstack developer

Hace 4 días

Barcelona, Cataluña, España Experis Jornada completa

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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.

Responsabilidades

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 hiring

Requisitos principales

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 required

hands-on
low-ego
clear communication
Java
Spring Boot
PostgreSQL

Fullstack developer

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