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Fullstack Developer

Barcelona, Spain - Keonn💼 Full-time🗓 2026-09-02 → 2026-09-25

Core

Lead the digitalization of internal operations and develop fullstack solutions for testing, automation, and process improvement in a manufacturing environment.

Role type

Senior Fullstack Developer (Operations & Automation)

Builds

Internal tools for testing, automation, and process digitalization; cloud-hosted web services for operational workflows.

Domain

Manufacturing (RFID hardware) + Cloud Infrastructure

Deliverable

production ML models | product features | dashboards & analysis | infrastructure

Required skills

Fullstack development (JavaScript, PHP, Python, MariaDB), Cloud deployment (AWS), Linux hardware interfacing, CI/CD pipelines, Technical leadership, Version control (Github)

Preferred skills

Application security fundamentals, AI-assisted development tools

Technologies

JavaScript, PHP, Python, MariaDB, AWS (EC2, RDS, S3, IAM, VPC), Github

Responsibilities

Lead development and continuous improvement of internal tools for testing and automation; Design and implement front-end and back-end solutions; Develop software for driving and automating hardware functional testing; Migrate internal applications to secure cloud-hosted services; Mentor at least one junior engineer; Coordinate software improvements across Operations departments.

Seniority

Senior, hands-on IC with mentorship responsibilities

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