DFINITY
AI

Software Engineer, Reinforcement Learning

DFINITY · ZH Zürich, Zürich, Switzerland · $79k - $112k

Actively hiring Posted over 1 year ago

Employment Type: 6 Month Contract

We are looking for a Software Engineer with a focus on data preparation and AI model training. You will work on assembling, annotating, and cleaning training data, while contributing to reward modeling and supervised fine-tuning tasks.


You might thrive in this role if you:

  • Have a deep understanding of machine learning and machine learning applications.
  • Working knowledge and experience tuning large language models (multimodal) and building evaluations.
  • Be willing to dive into large codebases to debug.
  • Someone who thrives in a dynamic and technically complex environment.
  • Track record of delivering outside-the-box novel solutions to solve real-world constraints.

 

Responsibilities

  • Data Assembly & Annotation: Gather and annotate training data for AI models, ensuring it meets the quality requirements for reward modeling and supervised fine-tuning.
  • Data Cleaning & Processing: Conduct data cleaning and preprocessing to ensure models receive high-quality input.
  • Model Training: Participate in the training and fine-tuning of models, ensuring that they meet performance and accuracy standards.
  • Collaboration: Work with AI engineers, data scientists, and other team members to ensure efficient workflows and data handling.
  • Continuous Improvement: Support iterative improvements to models based on performance monitoring and feedback.

 

Requirements

  • Experience: At least 3 years of experience working in a software engineering role focused on AI/ML tasks.
  • Data Expertise: Hands-on experience assembling, annotating, and cleaning training data for machine learning models.
  • Technical Skills: Proficiency in Python and experience with AI frameworks like TensorFlow or PyTorch.
  • Model Training: Familiarity with model training, reward modeling, and supervised fine-tuning techniques.
  • Attention to Detail: Strong focus on data quality and attention to detail when handling large datasets.

 

Bonus Points

  • Experience working with reward modeling for AI systems.
  • Familiarity with data labeling tools and techniques for supervised fine-tuning.
  • Knowledge of cloud platforms for AI/ML workloads.

Tags & focus areas

Used for matching and alerts on DevFound
Engineer Dev Tensorflow Pytorch Python
Common Questions

Frequently asked questions

Quick answers about how DevFound's AI matching, resumes, and referrals work.

DevFound's AI Copilot ingests your profile, goals, and live job data to deliver curated matches in seconds. Every match includes a resume variant, suggested referrals, and interview prep so you can act immediately. The more feedback you provide, the sharper the Copilot becomes.

AI-led job searches shrink the hours spent sifting through boards and formatting resumes. DevFound pairs automation with your personal outreach, so you reserve energy for interviews and negotiation. Traditional networking still matters, but AI gives you a lift before you even send a message.

Modern AI roles expect comfort with production-grade code, data fluency, and practical ML tooling. The strongest candidates pair deep technical chops with storytelling—translating model impact to product, GTM, and exec partners. Continuous learning keeps you ahead as stacks evolve.

DevFound rewards active seekers. Keep your profile fresh, respond to match quality prompts, and enable alerts so you never miss a role. The AI prioritizes companies and teams that align with your feedback, accelerating both introductions and interview invites.

High-density tech hubs continue to host the deepest AI talent pools, yet distributed teams are catching up fast. Use DevFound filters to hone in on onsite, hybrid, or fully remote roles and watch openings expand across time zones.

DevFound aggregates thousands of remote AI openings and flags the nuances—core hours, async culture, and visa needs—up front. The Copilot also recommends how to position your distributed work experience so hiring managers know you can thrive on a remote team.