Big Data Developer – Scala/Spark, Java

Astra North Infoteck Inc.; Toronto; On-site; CAD 45,000 - 65,000; Full time

Job summary

Workada is seeking a meticulous evaluator to assess AI outputs across text, images, and documents. You will apply detailed criteria, spot errors, and write clear, well-reasoned judgments that help improve real-world systems.

This full-time role requires strong writing and critical thinking, with the ability to follow guidelines and provide constructive feedback to enhance accuracy and quality across our feedback loop.

Qualifications

• Strong readers and writers with sound judgment.
• Comfortable evaluating creative or technical work against a set of criteria.
• Takes quality seriously and catches what others miss.
• Can follow detailed written guidelines independently.

Responsibilities

• Evaluate outputs from AI models, text, images, video, and documents against detailed criteria.
• Assess quality, spot errors and inconsistencies, and write clear, well-reasoned justifications.
• Provide feedback to help systems improve in real-world applications.

Skills

Strong readers and writers

Critical thinking

Attention to detail

Follow detailed guidelines

Job description

At Workada, we're not just labeling data, we're helping improve the technology people use every day. Our work creates the examples and feedback that make advanced systems more accurate, consistent, and useful.

Full-time

What You'll Do

Evaluate outputs from AI models, text, images, video, and documents against detailed criteria. Assess quality, spot errors and inconsistencies, and write clear, well-reasoned justifications for your judgments. Every evaluation you complete helps these systems perform better in the real world.

Who We're Looking For

People who write clearly, think critically, and can back up a judgment call with a clear explanation. This role suits people who've done work built around precise written evaluation, UI/UX design, graphic design, photography, video production, editorial or research work, or writing technical specs and requirements. - Strong readers and writers with sound judgment - Comfortable evaluating creative or technical work against a set of criteria - Takes quality seriously and catches what others miss - Can follow detailed written guidelines independently

• Strong readers and writers with sound judgment


• Comfortable evaluating creative or technical work against a set of criteria


• Takes quality seriously and catches what others miss


• Can follow detailed written guidelines independently

Qualifications

Technical Requirements

What We Offer

• Clear guidelines and training


• Performance feedback and opportunities to grow


• A mission-driven team focused on accuracy and quality