Sr. Full-Stack Software Engineer

EVB; United States; Remote; USD 55,000 - 131,000; Part time

Job summary

EVB is looking for skilled Full-Stack Software Engineers to contribute to an AI training project. You will build and refine front-end and back-end components, tackle complex problems, and translate coding builds across languages.

As a contractor (~15 hours per week) with flexible hours, you’ll work across the full stack in unfamiliar codebases, ensuring robust API contracts, authentication, persistence, and deployment.

Qualifications

• Meaningful hands-on experience with both front-end and back-end engineering.
• Production experience with multiple programming languages.
• Experience understanding and contributing to the architecture of complete software systems.
• Ability to work effectively in unfamiliar codebases.
• Strong debugging and technical problem-solving skills.

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.
• 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 experience

Multiple languages

Software architecture

Unfamiliar codebases

Debugging skills

Job description

• Job 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

• 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.
• 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.

Required Qualifications

• Meaningful hands‑on experience with bothfront-end and back-end engineering.
• Production experience with multiple programming languages.
• Experience understanding and contributing to the architecture of complete software systems.
• Ability to work effectively in unfamiliar codebases.
• Strong debugging and technical problem‑solving skills.

Compensation Structure

Compensation is output-based. Experts are paid per task that meets the project specifications. The time required to complete each task may vary depending on the expert’s experience and workflow.

Minimum submission requirements apply. Experts must submit a minimum number of tasks per week.

Additional Information

A very attractive and competitive package is offered.