Full-stack Software Engineer

ThoughtBot; Sevilla; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

ThoughtBot in Seville, Spain, is hiring a Full-Stack Software Engineer to contribute to a European Commission project supporting ECAT at the Joint Research Centre (JRC). The successful candidate will help design, develop, and maintain scalable tools for social media data collection, annotation, and analysis.

The role involves developing user-friendly interfaces, robust backend services, database integrations, and automated development and deployment workflows with Python, Flask, React, MySQL,

Qualifications

• Master's degree (Level 7) with 5+ years IT experience or Bachelor's degree (Level 6) with 7+ years IT experience.
• At least 3 years of React frontend development experience.
• At least 3 years of backend API development with Flask and relational/NoSQL databases.
• At least 3 years of Linux system administration, networking, security, scripting.
• At least 3 years of Agile, Git, CI/CD pipelines, and project-tracking tools.
• At least 2 years of Docker and Kubernetes experience.
• Very good written and spoken English (CEFR B2 or higher).

Responsibilities

• Develop and maintain backend APIs and services using Python and Flask.
• Design, integrate, and maintain relational and NoSQL databases (MySQL, MongoDB).
• Administer Linux environments including user management, networking, security, and scripting.
• Implement and maintain CI/CD pipelines and Agile workflows.
• Work with Docker, virtual environments, and Kubernetes for deployment and scalability.
• Develop scripts to automate tasks and data processing workflows.
• Troubleshoot and optimise applications and infrastructure.
• Prepare technical documentation and project progress reports.

Skills

React

Flask APIs

CI/CD

Git

Docker

Kubernetes

Scripting

English (CEFR B2+)

Education

Master's degree (Level 7)

Bachelor's degree (Level 6)

Tools

MySQL

MongoDB

Linux

Job description

We’re Hiring: Full-Stack Software Engineer | Seville, Spain (Remote)

Location: Seville, Spain (Far-site / Remote with periodic on-site attendance)

Deadline: 5 November 2026

Eligibility: EU citizens only

About the Opportunity

We are looking for an experienced Full-Stack Software Engineer to contribute to a European Commission project supporting the European Centre for Algorithmic Transparency (ECAT) at the Joint Research Centre (JRC).

The successful candidate will help design, develop, and maintain scalable tools for social media data collection, annotation, and analysis. The role involves developing user-friendly interfaces, robust backend services, database integrations, and automated development and deployment workflows.

Key Responsibilities

• Develop and maintain backend APIs and services using Python and Flask.
• Design, integrate, and maintain relational and NoSQL databases, including MySQL and MongoDB.
• Administer Linux environments, including user management, networking, security, system configuration, and scripting.
• Implement and maintain CI/CD pipelines, version control, and Agile development workflows.
• Work with Docker, virtual environments, and Kubernetes to support deployment and scalability.
• Develop scripts to automate technical tasks and data-processing workflows.
• Troubleshoot, maintain, and optimise applications and infrastructure.
• Prepare technical documentation, user guides, and project progress reports.

Required Qualifications and Experience

Candidates must meet one of the following qualification and experience combinations:

• A relevant university degree at Level 7 of the European Qualifications Framework (typically master's level) and at least 5 years of IT professional experience; or
• A relevant university degree at Level 6 (typically bachelor's level) and at least 7 years of IT professional experience.
• At least 3 years of experience developing front-end applications using React and web technologies.
• At least 3 years of experience developing backend APIs and services using frameworks such as Flask, with relational and NoSQL database integration.
• At least 3 years of Linux system administration, networking, security, configuration, and scripting experience.
• At least 3 years of experience with Agile methodologies, Git, CI/CD pipelines, and project-tracking tools.
• At least 2 years of experience with containerisation technologies, including Docker, and orchestration tools such as Kubernetes.
• Very good written and spoken English (CEFR B2 or higher).

Work Arrangement

• Initial on-site attendance in Seville for 10 working days for onboarding and training.
• Up to 5 additional on-site days per quarter, as required by the contract.
• Availability during the agreed service delivery hours is required.