Senior Full-Stack Software Engineer

Position: Senior Full-Stack Software Engineer

Type:
Contractor (15 hours per week)

Compensation:
$50–$100/hour

Location:
Remote (Global)

About the Opportunity

micro1 is seeking experienced
Senior Full-Stack Software Engineers
to contribute to advanced software engineering and technical evaluation projects.

This role is idóneo for professionals with strong experience across both front-end and back-end development who enjoy solving complex engineering challenges, reviewing code, debugging systems, and evaluating software architecture.

You'll apply your expertise in modern web technologies, APIs, databases, distributed systems, and software design to create, review, validate, and improve technical solutions across a variety of engineering domains.

Key Responsibilities
- Develop, modify, and debug front-end and back-end application components.
- Build user-facing features and the APIs, services, and data models that support them.
- Analyze application architecture and understand existing codebases.




- Trace requests and data flow across browsers, front-end applications, APIs, databases, and external services.
- Diagnose and resolve issues involving authentication, application state, persistence layers, networking, and deployments.
- Review and improve code written in multiple programming languages.
- Evaluate software solutions for correctness, performance, scalability, security, and maintainability.
- Assess technical implementations and identify opportunities for optimization.
- Create and validate reference solutions for software engineering tasks.
- Provide detailed written feedback on technical quality and implementation decisions.

Required Qualifications

1. Strong professional experience developing production-grade full-stack applications.
2. Meaningful hands-on experience with both
front-end and back-end engineering
.
3. Experience with modern programming languages such as
Python, JavaScript, TypeScript, Java, Go, Rust

📌 Senior Full-Stack Software Engineer (España)
🏢 Synthires
📍 España