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Principal ML Engineer
LoopStack
🌎 Remote Full-time
📍 Remote (Portugal)
📁 Data
📅 Posted: 9 days ago
💰 $190k-$250k
About the Role
LoopStack is a fast-growing technology company building data tools for modern teams. We are fully distributed and passionate about solving hard problems at scale. As a Principal ML Engineer, you will play a key role in shaping our culture from anywhere in the world.

What You'll Do:
- Develop ML models and deploy them to production environments
- Design and optimize data warehouse schemas for performance
- Create dashboards and reports for business stakeholders
- Drive experimentation frameworks and A/B testing infrastructure
- Partner with engineering to integrate data products into the platform

What We're Looking For:
- Exceptional ability to communicate complex ideas to all audiences
- Experience shaping long-term technical vision and strategy
- 10+ years of deep expertise in your domain
- Demonstrated impact at the company or industry level
- Strong external presence through publications, talks, or open source

What We Offer:
- Flexible hours — we trust you to manage your time
- Company-wide team retreats twice per year
- Unlimited PTO and company-wide recharge days
- Annual learning and development budget ($1,500+)
- Home office setup stipend ($500-$1,000)

To apply, send your resume and a short note about why you are excited about this role. We review every application and respond within 5 business days.
Required Skills
Airflow Snowflake Redshift PyTorch Scikit-learn Tableau
What We Offer
✓ 100% remote work
✓ Competitive equity package
✓ Conference & training budget
✓ Health & wellness perks
✓ Flexible working hours
✓ Top-tier hardware setup
How to Apply
1
Review the Job RequirementsRead the full description and ensure your skills match what LoopStack is looking for.
2
Prepare Your ResumeHighlight relevant experience in Data and include projects that showcase your skills.
3
Click Apply NowSubmit your application through the button on this page. Make sure all required fields are filled.
4
Wait for ResponseHiring teams typically respond within 5–10 business days. Check your email regularly.
Frequently Asked Questions
Is this position fully remote?
Yes — Principal ML Engineer at LoopStack is listed as Remote (Portugal). The role supports remote work and does not require relocation.
What is the salary range for this role?
The listed compensation for this position is $190k-$250k per year, commensurate with experience and qualifications.
What skills are required for Principal ML Engineer?
Key requirements include: Airflow, Snowflake, Redshift, PyTorch, Scikit-learn. See the full job description above for complete requirements.
How do I apply for this job?
Click the "Apply Now" button above to submit your application. Make sure your resume highlights relevant experience in Data.
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