Fullstack Software Engineer

Different Technologies Pty Ltd.; Canada; Remote; CAD 80,000 - 100,000; Full time

Job summary

A global tech company is looking for top-tier Fullstack Software Engineers to work on AI and software development projects. The role involves improving LLM performance and delivering AI use cases. Applicants should have over 10 years of experience and must have worked full-time at a top tech company. This position offers flexible hours in a remote setup, focusing on high-quality fullstack development.

Qualifications

• 10+ years of overall professional experience in software engineering.
• Experience as a Software Engineer (not Data Scientist) at a Top 50 Tech Company.
• Proven expertise in full-stack development, including production-ready applications.

Responsibilities

• Work across multiple projects to improve LLM performance on code tasks.
• Lead end-to-end delivery of AI agent use cases.
• Evaluate and review model-generated code for accuracy.

Skills

Fullstack development experience

Software architecture and design

Debugging skills

Code quality practices

Education

Degree from a Top Global University

Job description

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