Senior Full Stack Engineer (Remote-Worldwide)

MIcro1; United States; Remote; USD 83,000 - 124,000; Full time

Job summary

MIcro1 is seeking highly skilled full-stack software engineers for a globally remote AI training project. The contractor position (~15 hours per week) offers flexible scheduling and a chance to work across both frontend and backend systems.

You will tackle challenging tasks, review and translate code across languages, and ensure robust APIs, services, and data models. Strong debugging and problem-solving skills are essential as you navigate unfamiliar codebases and architectures.

Qualifications

• Strong experience developing production full-stack applications.
• Hands-on experience with both front-end and back-end engineering.
• Production experience with multiple programming languages.
• Knowledge of browser apps, APIs, databases, and service integration.

Responsibilities

• Develop, modify, and debug front-end and back-end application components.
• Implement user-facing features and the services, APIs, and data models that support them.
• Trace requests and data across browsers, front-end applications, APIs, services, databases, and external integrations.
• Work inside unfamiliar repositories and understand existing application architecture.
• Diagnose failures involving application state, API contracts, authentication, persistence, networking, and deployment.
• Evaluate and improve code written in multiple programming languages.
• Review AI-generated solutions for correctness, completeness, performance, security, and maintainability.

Skills

Full-stack development

Front-end

Back-end

API integration

Debugging

Problem solving

Job description

Location:Global, fully remoteJob Type:Contractor (~15 hours per week)Schedule:Flexible—you choose the hours and days you work, including weekends if desired as long as there is activity.We are looking for highly skilledFull-Stack Software Engineersto contribute to an AI training project involving software development, technical problem-solving, debugging, system architecture, and code evaluation.The work involves creating, solving, reviewing, and validating challenging software-engineering tasks across front-end and back-end systems and helping with translating full coding builds from one particular language into another.This role requires meaningful hands-on experience across both front-end and back-end engineering. Candidates should be comfortable working throughout the application stack rather than specializing exclusively in one layer.

What You’ll Work On

1. Develop, modify, and debug front-end and back-end application components.
2. Implement user-facing features and the services, APIs, and data models that support them.
3. Trace requests and data across browsers, front-end applications, APIs, services, databases, and external integrations.
4. Work inside unfamiliar repositories and understand existing application architecture.
5. Diagnose failures involving application state, API contracts, authentication, persistence, networking, and deployment.
6. Evaluate and improve code written in multiple programming languages.
7. Review AI-generated solutions for correctness, completeness, performance, security, and maintainability.

Required Qualifications

1. Strong professional experience developing production full-stack applications.
2. Meaningful hands-on experience with bothfront-end and back-end engineering.
3. Production experience with multiple programming languages.
4. Strong knowledge of browser applications, APIs, application state, databases, and service integration.
5. Experience understanding and contributing to the architecture of complete software systems.
6. Ability to work effectively in unfamiliar codebases.
7. Strong debugging and technical problem-solving skills.