Software Developer

RemoteJobsOne; Madrid; A distancia; EUR 73.000 - 92.000; A tiempo parcial

Descripción de la vacante

RemoteJobsOne is seeking Software Developers for a fully remote contractor role in Spain. You will contribute to a dynamic customer project focused on digital innovation, helping train AI systems with real‑world programming examples and high‑quality input.

The role emphasizes scalable software design, architecture collaboration, detailed code reviews, and comprehensive documentation to support long‑term stability and growth. Remote collaboration across distributed teams is essential.

Formación

• 5+ years of professional experience in Python, Java, JavaScript/Node.js, or full‑stack development.
• Demonstrated expertise in designing and reviewing complex software architectures and codebases.
• Strong background in producing high‑quality, user‑friendly technical documentation.
• Experience with code review processes and giving constructive feedback.
• Ability to distill complex software concepts into clear written and verbal communications.

Responsabilidades

• Design scalable, maintainable software solutions using Python, Java, JavaScript/Node.js, and full‑stack tech.
• Conduct detailed code reviews with actionable feedback for quality and standards.
• Develop and maintain comprehensive technical documentation for architecture decisions and maintenance.
• Collaborate on shaping software architecture and recommending best practices for stability and scalability.
• Analyze requirements to deliver efficient, high‑quality deliverables for clients and projects.
• Contribute real‑world programming examples for AI training datasets.

Conocimientos

Python

Java

JavaScript/Node.js

Full-stack development

Code review

Herramientas

Git

Documentation tools

Descripción del empleo

IMPORTANT: after you apply, please check your email. We send you a link to complete your application — it is not considered until that last step is done. If you do not see it, check your spam folder.

This is a fully remote position, open to candidates based in Spain.

Pay: $60–$75/hr

Role Title: Software Developer

Role Type: Contractor

Location: Remote

We are engaging Software Developers to contribute expertise to a dynamic customer project focused on digital innovation. In this role, you'll apply your expertise to help train next‑generation AI systems. Your work will shape how models learn, reason, and perform through high‑quality, real‑world input. No prior experience in AI is required — your domain knowledge is what matters.

Scope of Work

1. Design and implement scalable, maintainable, and robust software solutions leveraging Python, Java, JavaScript/Node.js, and full‑stack technologies.
2. Conduct detailed code reviews, providing actionable feedback to ensure functionality, performance, and adherence to standards.
3. Develop and maintain comprehensive technical documentation to support architectural decisions and ongoing maintenance.
4. Collaborate in shaping software architecture and recommending industry best practices for long‑term stability and scalability.
5. Participate in the analysis of requirements to deliver efficient, high‑quality deliverables meeting client and project needs.
6. Contribute real‑world programming examples, explanations, and problem‑solving approaches as foundational input for AI training datasets.
7. Communicate findings, challenges, and solutions effectively using clear written and verbal communication skills.

Preferred Qualifications

1. 5+ years of proven experience as a professional, consultant, or specialist in one or more of: Python, Java, JavaScript/Node.js, or full‑stack software development.
2. Demonstrated expertise in designing and reviewing complex software architectures and codebases.
3. Strong background in producing and maintaining high‑quality, user-friendly technical documentation.
4. Solid experience with code review processes, offering insightful, constructive feedback to peers or contributors.
5. Ability to distill complex software concepts into clear, concise written and verbal communication pieces.
6. Experience working remotely and collaborating across distributed teams using digital communication tools.
7. Nice to have: exposure to AI, machine learning concepts, or contributing to technology training datasets.