E- Work from
- United States
- Contract
- Contract
- Experience
- Senior
- Salary
- $50 – $100 / hour
- Posted
- 13 November 2026
- Apply by
- 12 January 2027
Our client is seeking highly skilled Senior Full-Stack Software Engineers to contribute to an advanced artificial intelligence training project involving software development, technical problem-solving, debugging, system architecture, and code evaluation.
This is a fully remote, global opportunity for experienced engineers with strong hands-on expertise across both front-end and back-end technologies.
Selected professionals will create, solve, review, and validate complex software engineering tasks designed to improve the coding and problem-solving capabilities of advanced AI systems.
The role also involves translating complete software implementations between programming languages, evaluating technical solutions, and ensuring high standards of software quality.
Responsibilities
- Develop, modify, debug, and optimize front-end and back-end application components.
- Design and implement user-facing features, supporting services, APIs, and data models.
- Analyze and troubleshoot application behavior across browsers, front-end frameworks, backend services, databases, and external integrations.
- Work with unfamiliar code repositories to understand existing application architecture and identify technical improvements.
- Diagnose complex issues involving application state, API contracts, authentication, data persistence, networking, and deployment.
- Create, solve, review, and validate challenging software engineering tasks across the full application stack.
- Translate software implementations between different programming languages while preserving functionality and technical accuracy.
- Evaluate and improve code written in multiple programming languages.
- Review AI-generated code and technical solutions for correctness, completeness, performance, security, and maintainability.
- Apply software engineering best practices to ensure reliable, scalable, and maintainable implementations.
- Provide clear technical feedback and document findings when evaluating software solutions.
- Work independently and contribute to project deliverables within established quality standards.
Requirements
- Strong professional experience developing and maintaining production-level Full-Stack applications.
- Significant hands-on experience in both Front-End and Back-End software engineering.
- Production experience with multiple programming languages and technologies, including relevant combinations of:
- Python
- React
- JavaScript
- Java
- Node.js
- Rust
- Go (Golang)
- TypeScript
- Strong understanding of modern web application architecture, browser-based applications, APIs, and backend services.
- Experience designing, developing, and maintaining user-facing features and their supporting backend systems.
- Solid knowledge of application state management, databases, data persistence, and service integrations.
- Ability to understand, navigate, and contribute effectively to unfamiliar codebases and existing software architectures.
- Strong debugging and troubleshooting skills across the complete application stack.
- Experience diagnosing complex technical issues involving authentication, API contracts, networking, and deployment.
- Ability to evaluate software implementations for correctness, completeness, performance, security, and maintainability.
- Strong analytical thinking, technical problem-solving, and software engineering judgment.
- Ability to work independently and deliver high-quality technical assignments in a remote environment.
Nice to have
Preferred Qualifications
- Experience working with complex, production-grade applications involving multiple technologies and services.
- Familiarity with software architecture, system design, and cross-platform integrations.
- Experience reviewing, validating, and improving code written by other developers.
- Ability to translate software implementations between different programming languages while maintaining functional accuracy.
- Experience evaluating automated or AI-generated code.
- Strong technical communication skills and the ability to explain complex engineering decisions clearly.
- Interest in artificial intelligence, software engineering evaluation, and advanced coding systems.
Additional Requirements
- Availability to dedicate approximately 15 hours per week to project assignments.
- Ability to meet minimum weekly task submission requirements.
- Willingness to complete an AI-based interview of approximately 30 minutes.
- Availability to complete a technical assessment if requested.
- Ability to begin assignments promptly following successful selection and onboarding.
Work Arrangement and Contract Details
- Location: Global — 100% Remote
- Contract Type: Independent Contractor
- Weekly Commitment: Approximately 15 hours
- Work Schedule: Flexible. Professionals may choose their working hours and days, including weekends, provided they maintain regular project activity.
- Payment Structure: Output-based, with payment issued for tasks that meet project specifications and receive approval.
Our client is a technology organization working on advanced artificial intelligence initiatives that leverage real-world software engineering expertise to improve the capabilities of next-generation AI systems.
The organization engages experienced software engineers to contribute to projects involving software development, technical problem-solving, debugging, system architecture, and code evaluation across multiple programming languages and technologies.
For this project, our client is seeking Senior Full-Stack Software Engineers with strong hands-on experience in both front-end and back-end development to support AI training through complex coding challenges, code reviews, and technical assessments.
CONFISA Group is supporting the recruitment of qualified professionals worldwide for this fully remote, project-based opportunity.
Salary
Advertised Compensation Range: USD $50–$100 per hour
Technologies and Technical Environment
Candidates should demonstrate strong practical experience with multiple programming languages and technologies, including relevant combinations of:
- Python
- React
- JavaScript
- Java
- Node.js
- Rust
- Go (Golang)
- TypeScript
The position requires meaningful production experience across both front-end and back-end systems rather than specialization in only one area.
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