Fullstack Software Engineer at Elvis Eckardt Recruitment & Sales Solutions Limited

Job Title: Fullstack Software Engineer

Clients: Top 50 Tech Companies Only)
Domain: Information Technology (IT)
Location: Remote – US, Canada, Western Europe, Australia
Contract Type: Contractor
Pay Rate: USD $50 – $125 per hour
Experience Required: 10 – 25 years

Engagement: Minimum 10 hours/week (up to 40 hours/week, partial PST overlap required)

Contract Duration: 1 month (extensions based on performance)

About the Role

Our client is seeking top-tier Fullstack Software Engineers to work on cutting-edge AI and software development projects.

You’ll play a critical role in building datasets, evaluating large language model (LLM) outputs, and developing real-world fullstack applications.

This opportunity is ideal for engineers with strong fullstack development experience from top 50 tech companies, who are excited to contribute to the next generation of AI-assisted software systems.

Key Responsibilities

• Work across multiple projects to improve LLM performance on code tasks.
• Lead end-to-end delivery of AI agent use cases (e.g., coding copilots, creative assistants).
• Evaluate and review model-generated code for accuracy, maintainability, and performance.
• Analyse and provide structured, written rationales for code quality and rankings.
• Collaborate with the client´s teams to identify edge cases and improve model behaviour.

Must-Have Requirements

1. 10+ years of overall professional experience in software engineering.
2. Must have worked full-time at a Top 50 Tech Company:
   • Minimum 1 year if US-based
   • Minimum 2 years if based elsewhere
     (Top 50 Tech Companies list provided in screening)
3. Experience as a Software Engineer (not Data Scientist) in these companies.
4. Proven expertise in full-stack development, including:
   • Building production-ready applications
   • Software architecture, design, and debugging
   • Code quality and peer review practices
5. Citizen or valid work permit holder in the country of residence.

Strict No-Gos

• Candidates with experience only as Data Scientists
• Contractor/part-time experience at top 50 companies, must have been employed there in the past
• Candidates without valid work permits

Nice to Haves

• Degree from a Top Global University
• Exposure to modern cloud-native and scalable architectures

Engagement Details

• Flexible hours: 10–40 hours/week
• Partial PST overlap required
• Type: Contractor (no paid leave or benefits)

Application Process:

To apply, please submit your CV and a cover letter detailing your relevant experience and qualifications for the role. Applications will be reviewed on a rolling basis, so early submissions are encouraged.

Equal Opportunity Employer:

We value diversity and are committed to creating an inclusive work environment. We encourage applicants from all backgrounds to apply.

Contact: Elvis Eckardt