Humans in the Loop, Sofia (2026)

28/05/2026

🩻 A radiologist and a general annotator can look at the same CT scan and see completely different things. If it's the general annotator's interpretation that ends up in the training dataset, the model learns accordingly.

Medical image annotation is categorically different from standard computer vision work. The data formats are specialised, DICOM, NIfTI, whole-slide imaging and require tools and clinical metadata handling that general-purpose annotation platforms aren't built for.

The regulatory environment is another important aspect to consider. HIPAA, GDPR Article 9 and FDA documentation requirements all apply to how the data is handled during labeling, not just after.

We put together a full guide for healthcare AI teams covering annotation types, quality standards, compliance requirements and how to evaluate a medical annotation partner before you commit.

Full guide in the comments. 👇

27/05/2026

🌱 Join our team!

We're looking for a Learning and Development Coordinator to help us grow the training programmes that open doors to digital employment for people affected by conflict and displacement.

If you care about education, equity, and meaningful work - and you love building things that actually change lives - we'd love to hear from you. 💛

📍 Fully remote (preference for CET or similar time zones) 🕒 Part-time, 20 hours/week 💶 €1,049.05 gross/month 🤝 We especially encourage people of refugee background to apply

📩 To apply: send your CV + a short 2-minute video introducing yourself and telling us why this role speaks to you. No fancy editing needed - we just want to meet you.

Applications are reviewed on a rolling basis until 10 June - so the sooner you apply, the better.

👉 Apply through our LinkedIn job post: https://www.linkedin.com/jobs/view/4416801231

Know someone perfect for this? Please share! 🙏

13/05/2026

Tamara Sergiienko spent years working with refugees and migrants, learning to listen carefully, spot what people actually needed, and turn complex situations into clear, useful feedback. 💫

She relocated to Bulgaria, joined HITL as an annotator in 2023, and this year became part of our Beneficiary Advisory Board, where she bridges communication between local annotators and management, making sure the Bulgarian community's voice shapes the decisions that affect them.

When we asked her about the role, Tamara said: "Most of it is just about listening. Understanding the real human experience behind the work, not just the tasks themselves."

Tamara still annotates, which means she knows exactly what she's listening for.

💜 Learn more about our work: http://humansintheloop.org

12/05/2026

🇪🇺 On 2 August 2026, Article 10 of the EU AI Act comes into force for high-risk AI systems. Most regulatory frameworks deal in broad principles and leave teams to interpret what that means for their day-to-day work.

Article 10 is different. It names the exact data preparation processes it governs annotation, labelling, cleaning, updating, enrichment and aggregation. If your AI system falls into the high-risk category, these are no longer just workflow decisions. They are regulated, documentable, and auditable processes with significant legal consequences for non-compliance. ⚖️

🔬 What that means practically: documented task specifications before annotation begins, qualified annotators with traceable profiles, inter-annotator agreement scores as standard pipeline output, and a full audit log for every data point.

We wrote a full breakdown of what Article 10 requires, which systems are in scope, and what compliant annotation looks like in practice for your team.

Note: A provisional agreement reached 7 May 2026 may defer this deadline to December 2027, formal adoption pending. Full article in the comments. 👇

01/05/2026

💫 May 1st is a good day to say it out loud - we are grateful for every person on Humans in the Loop and Humans in the Loop Foundation team!

The work that happens at Humans in the Loop every day, across annotation projects, foundation programs, operations and everything in between, is done by people who genuinely care about what they are building. That doesn't go unnoticed.

Happy Labour Day to our team and to everyone who shows up and does the work. 💜

Learn about how we work at http://humansintheloop.org/impact/fair-work-policy

30/04/2026

Stop browsing and start earning. 🚀
Most freelancers fail on Upwork because they treat their profile like a resume and their proposals like a lottery. This short course will help you to turn your skills into a high-conversion digital storefront in just 15 days.

There are no "luck-based" results here. The only guarantee is the promise you give to yourself: If you do the work, you will win. This course is an action-first roadmap designed for those who value time over theory.

Eligibility criteria:
1. Strong English: You must be able to communicate complex ideas clearly to international clients.
2. Dedicated Time: This course is "theory-light" but "action-heavy." You will need significant time to build your digital assets and high-quality portfolio pieces.
3. Eligibility: This program is designed for individuals aged 18+ specifically from conflict-affected communities looking to build a sustainable digital future.

What You Will Achieve:
✨ A Sales-First Profile: Move past the "I am a professional" clichés. You will build a profile that speaks directly to a client’s pain points.
🔥 The Power of 20: Master the new 2026 Upwork algorithm with specialized skill tagging and project catalogs.
💬 High-Conversion Proposals: Learn the "3-Sentence Script" that stops clients from scrolling and starts the conversation.
🌐 Omnichannel Authority: Sync your LinkedIn and CV. Diversify your income with other opportunities.

The Format
- Short & Sharp: Lessons under 30 minutes on the Humans in the Loop training platform.
- Action-Oriented: Every topic ends with a concrete task.
- Prolonged access: Freelancing is a journey of constant iteration. You will retain full access to all course materials after the 15 days end. Whether you need to refresh your knowledge or tweak your strategy, the resources will be here for you.

Your first contract is waiting. Are you ready to build the assets that get you hired?
Apply today 👉 https://forms.gle/kvWLmrM9CzxAr5Hq5

27/04/2026

🧘🏻‍♀️ April team building and this month we added stretching to the mix. 15 minutes is genuinely enough to reset your body and your focus, and you can do it right at your desk.

See our team's very professional stretching techniques below 👇😄

24/04/2026

👩🏻‍💻 Rima Zino is a multilingual voice-over artist and musician. She joined our Profile to Gig in 30 Days program at the HITL Foundation, a 4-week hands-on program helping people build a real freelance presence on platforms like Upwork.

💬 Here is what Rima shared with us:

"I had skills and experience, but turning them into specific language that would actually attract the right clients felt overwhelming at first. What made the difference was my mentor's hands-on guidance and genuine investment in my progress - step-by-step support, honest feedback, and real profiles of successful freelancers that gave me both clarity and inspiration."

🌟 This is exactly what the program is built around. Learn more about our work: https://humansintheloop.org/impact/foundation/

22/04/2026

🌍 Happy Earth Day! This year's theme, Our Power, Our Planet, is a reminder that meaningful environmental action comes from people choosing to take responsible actions, at every scale.

🌳⛰️One of the projects we are most proud of is our work with Restor, annotating over 5,500 satellite images of trees and forest canopies to help their AI better understand and monitor ecosystems around the world.

Small contribution in the grand scheme of things, but work we believe matters. ✨

#

16/04/2026

🥳 The Profile to Gig in 30 Days program has officially come to a close, and the results are inspiring! Through personalized, hands-on support from our mentors, we helped participants build their professional presence from the ground up on platforms like Upwork.

Noor Al-Aghbari is a strategic career advisor who empowers individuals through resume writing, university admissions, and professional career coaching. Here is what she shared with us:

💬 "For a long time, freelancing wasn't even a path I considered viable - a path I lacked the confidence to pursue. Everything shifted when I joined the Profile to Gig program. It provided the clarity I needed to stop listing and start selling, transforming my disorganized history into a streamlined, professional brand."

💜 We are proud of everyone who completed this cohort. Learn more at https://humansintheloop.org/impact/

15/04/2026

⚕️ AI adoption in healthcare is moving fast - predictive tools, diagnostic imaging, robotic surgery. What most teams building in this space eventually run into is that the training data doesn't get the same attention as the model itself. In healthcare, that gap has consequences.

Demographic gaps in imaging datasets, inconsistent annotation guidelines, clinical reviewers who disagree on edge cases, all of this ends up in the model before anyone notices.

We've worked on medical annotation projects across surgical robotics, safety, clinical research and medical imaging, with research institutions and medtech companies.

⚪ The issues we see most often come down to process, guidelines that weren't specific enough for the people using them, reviews that were rushed, ambiguous cases that never got escalated.

If you want to see how we approach medical annotation before committing to anything, we run free pilots. 🔗 http://humansintheloop.org/start-a-free-pilot

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