Fullstack Software Engineer

hace 2 días

San José, San José, Costa Rica Elvis Eckardt Recruitment & Sales Solutions Limited A tiempo completo
The Role:

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 Turing teams to identify edge cases and improve model behaviour.

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.

Ideal Profile:

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)
  1. Experience as a Software Engineer (not Data Scientist) in these companies.
  2. Proven expertise in full-stack development, including:
  • Building production-ready applications
  • Software architecture, design, and debugging
  • Code quality and peer review practices
  1. Citizen or valid work permit holder in the country of residence.

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)

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
What's on Offer?
  • Excellent career development opportunities
  • Great work environment
  • Attractive salary & benefits

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