Jobs in the United States

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Added 2 mins ago
Infrastructure - Senior Project Manager
Stantec
Reno, NV
…public spaces where we gather to the roads, bridges, transit systems, airports, and ports that connect us, our work touches everyday life. We bring together diverse perspectives and…
Added 2 mins ago
Senior Instrumentation and Controls Engineer
Stantec
Denver, CO · Chandler, AZ · Tucson, AZ · Las Vegas, NV · Albuquerque, NM · Reno, NV · Salt Lake City, UT
…a Discipline Lead for larger or more complex projects. The Engineer should be able to evaluate, select, specify, and engineer I&C systems for a project. A Senior I&C Engineer will perform a…
Added 2 mins ago
ZT
Software Development Engineer Senior
Zebra Technologies Corporation
Holtsville, NY
- $96,800 to $145,200 USD / year
Analyzes, designs, develops, and maintains software solutions for the organization’s products and systems. Leads system integration of software and hardware to ensure consistent performance…
Added 3 mins ago
Senior AI Engineer, Testing
Glasslake
San Francisco, CA
You’ll own some of the hardest problems in applied AI: making agents reliable, fast, and trustworthy on enterprise systems where being wrong is expensive.
Added 6 mins ago
Senior AI Engineer
Qnity
Wilmington, DE
Qnity is a market leader in specialty materials for electronic devices and microchip fabrication. In this role, the Senior AI Engineer will collaborate with business, engineering, cloud…
Added 6 mins ago
Senior AI Engineer
Qnity
Wilmington, DE
The Senior AI Engineer will also plan delivery, lead technical work, communicate with business stakeholders, integrate with data engineering and software teams, deploy production solutions,…
Added 7 mins ago
AA
Electrical Engineer
Arn Autonomy
South San Francisco, CA
- $120,000 to $190,000 USD / year
You must be based in the Bay Area or willing to relocate
Added 12 mins ago
J
Senior Data Engineer
Justworks
NY
- $188,000 to $242,000 USD / year
As a Senior Data Engineer, you will shape the direction of the Data Platform Engineering team through the quality of your work, your architectural judgment, and your influence on peers.…
Added 13 mins ago
SF
Forward Deployed Engineer
Spring Fertility
San Francisco, CA
- $150,000 to $180,000 USD / year
The Forward Deployed Engineer will serve as the bridge between technology and the business. This highly cross-functional role combines software engineering, AI implementation, systems…
Added 13 mins ago
Senior Electrical Engineer
Proserv
Houston
Must have the
Added 14 mins ago
BizApps Data/AI Lead Architect
Avanade Inc. Company
United States
…AI Community of Practice, support our project teams as their senior data and AI expert, and be the person executives call when they want to understand what their ERP and CRM data can do for…
Added 15 mins ago
Senior AI/ML Engineer
Fidelity Technology Group, LLC
Westlake, TX
We are looking for a Senior Engineer who operates at the intersection of data and AI/ML/LLM Engineering. You will work on the end-to-end lifecycle from building robust data pipelines that…
Added 15 mins ago
Senior Software Engineer
Fidelity Technology Group, LLC
Westlake, TX
…complex business and technical problems. We are looking for a Senior Software Engineer who will develop and improve core applications in a Java, Spring and Oracle environment using the…
Added 15 mins ago
Senior Security Engineer
Rezilient Health
Remote, United States
Rezilient is seeking a Senior Security Engineer to serve as a hands-on, senior individual contributor supporting our information security programs. This role is responsible for protecting…
Added 15 mins ago
Senior Satellite GNC Engineer, Amazon Leo
Amazon Kuiper Manufacturing Enterprises LLC
Redmond, WA
…design through manufacturing into orbit, you will work with systems engineering and Assembly, Integration and…
Added 16 mins ago
Maintenance Reliability Engineer Senior
Advanced Technology Services
United States- Carlstadt, NJ
Champions operating systems, critical elements, and best practices to enable a precision reliability culture.
Added 16 mins ago
A
Civil Engineer
Actalent
White Plains, NY
- $31.25 to $50 USD / hour
Work EnvironmentThis role offers a hybrid work environment with one remote day per week, which you can choose based on your schedule
Added 16 mins ago
A
Senior Instrumentation & Controls Engineer (PE)
Actalent
New Albany, OH
- $50.07 to $70.1 USD / hour
Position SummaryActalent connects passion with purpose. We are supporting critical engineering and sciences initiatives that advance how companies serve the world. With almost 40 years of…
Added 16 mins ago
A
Systems Engineer
Actalent
Saint Paul, MN
- $65 to $95 USD / hour
Job Title: Senior Systems Engineer Job DescriptionThe Senior Systems Engineer will provide technical leadership for the design, development, and optimization of advanced hypersonic test…
Added 17 mins ago
Senior Technical Project Manager
Codal
Chicago, IL
…and do whatever’s needed to deliver successful projects. As a Senior Technical Project Manager, you’ll sit closest to engineering, partnering with architects, tech leads, and DevOps to turn…
Added 20 mins ago
E
Sr. Full-Stack Software Engineer
ELITEBRAIN
Remote, United States
- $50 to $100 USD / hour
…intelligence initiatives that leverage real-world software engineering expertise to improve the capabilities of next-generation AI…
Added 20 mins ago
Senior Mainframe Application Support Engineer (COBOL/JCL/DB2)
Fidelity Technology Group, LLC
Merrimack, NH
As a Senior Mainframe Application Support Engineer, you will support Fidelity's Participant Recordkeeping platform, a critical system supporting 401(k) and retirement recordkeeping…
Added 20 mins ago
Product Manager, GTM AI Systems
Zip
San Francisco, CA
- 6+ years in product management, Sales Operations, GTM strategy, business systems, or solutions and forward-deployed engineering at a B2B SaaS company, owning cross-functional products end…
Added 21 mins ago
A
Senior Software Engineer - Cloud & Platform Security
Atoms
San Francisco, CA
- $167,000 to $230,000 USD / year
As a Senior Software Engineer focused on Cloud & Platform Security, you’ll work directly with our Infrastructure team to secure the systems that manage and control our fleet. Rather than…
Added 21 mins ago
RM
Senior AI Engineer
Rex Moore Group, Inc.
Remote, United States
- $180,000 to $200,000 USD / year
…You build, ship and support what you build, working with data engineering, IT and compliance within IT's security and governance standards. The Director sets direction, and your…

ELITEBRAIN

Sr. Full-Stack Software Engineer

Remote, United States

$50 to $100 USD / hour

Apply on jobs.smartrecruiters.com About employer

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Job details

Pay: $50 to $100 USD / hour
Working hours: 15 hours per week
Posting language: English
Posted: Nov 11, 2026

Original job description

Company Description 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.

Job Description

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.

Key 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.

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.

Qualifications

Required Qualifications

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.

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.

Additional Information 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.
Advertised Compensation Range: USD $50–$100 per hour
Payment Structure: Output-based, with payment issued for tasks that meet project specifications and receive approval.

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Jobs in the United States