Data Annotation Specialist

Docplanner; São Paulo; Hybrid; BRL 89,000 - 156,000; Full time

Benefits offered by this job

Healthcare insurance

Remote work options

Flexible hours

Meal vouchers

Job summary

Docplanner is seeking a QA and labeling specialist to design and run QA workflows, build and refine labeling interfaces with Label Studio, and coordinate freelance annotators. You will write clear annotation guidelines and support data analysis to track project health and quality across global initiatives.

The role requires fluency in English and proficiency in data tools, with a self-driven mindset and the ability to work with cross-functional teams to meet tight deadlines.

Qualifications

• Comfort working with data: build spreadsheet models, interpret quality metrics, and automate checks with light Python / pandas.
• Strong written communication and structured thinking for writing annotator guidelines.
• Proven follow-through coordinating people or projects to deadlines (freelancers, vendors, cross-functional partners).
• Self-directed: own an area and run it largely independently.
• Fluent English, plus working fluency in Italian, Portuguese or Polish.

Responsibilities

• Design, automate, and run QA workflows — sampling, metrics, quality dashboards, and throughput reporting.
• Support in building and maintaining labeling interfaces in Label Studio: configure projects, refine layouts, and speed up annotation.
• Write clear, testable annotation guidelines and maintain the guidelines/docs library.
• Source, onboard and coordinate freelance annotators with the AI Annotations Lead: track deadlines and deliverables.
• Turn annotation output and project data into simple summaries for the Lead or stakeholders.
• Support data analysis and reporting: track project health and quality metrics.
• Participate in designing programs to validate AI system quality.

Skills

Data analysis

Python/Pandas

Written communication

Project coordination

Self-management

English fluency

Tools

Label Studio

Job description

Company Description

At Docplanner Group, we’re on a mission to help people live longer, healthier lives. As the world’s largest healthcare platform, each month, we connect 24 million patients with 280k doctors across 13 countries (through brands like ZnanyLekarz, Doctoralia, MioDottore, DoktorTakvimi, and jameda). Our marketplaces, SaaS and AI tools simplify daily tasks and help doctors, clinics and hospitals work more efficiently, so they can focus on what really matters: caring for their patients.

Learn more about our products here: pro.doctoralia.es

Why join us?

Real impact – We help doctors help patients. Your work truly makes a difference.

At scale, yet agile – 3,000+ employees, but still fast, flexible, and hands‑on.

Shape the future, sustain growth – Make a difference now and build for long‑term success.

Key Job Responsibilities

• Design, automate, and run QA workflows — sampling, metrics, quality dashboards, and throughput reporting — so we can measure quality in numbers for all our projects.
• Support in building and maintaining labelling interfaces in Label Studio when needed: configure new projects, refine layouts, and make annotation faster, specific and less error‑prone.
• Write clear, testable annotation guidelines for new projects, and keep the growing library of guidelines and project docs organised and current.
• Source, onboard and coordinate our freelance annotators alongside the AI Annotations Lead: track deadlines, chase deliverables, answer their questions, and keep projects moving.
• When needed, turn annotation output and project data into simple, decision‑useful summaries for the Lead or stakeholders.
• Support the area on data analysis and reporting: the quantitative side of how we track project health and quality.
• Participating in the design of programs to validate quality of AI systems.

Requirements

• Comfort working with data: you can build a spreadsheet model, calculate and interpret quality or agreement metrics, and are eager to (or already do) use light Python / pandas to automate checks.
• Strong written communication and structured thinking, essential for writing guidelines that annotators actually follow.
• Proven follow‑through coordinating people or projects to deadlines (freelancers, vendors, cross functional partners, or similar).
• Self‑directed: you can own an area and run it largely independently.
• Fluent English, plus working fluency in at least one of: Italian, Portuguese or Polish.

What To Expect From Our Hiring Process

We like to keep things transparent and efficient! Here’s what the process usually looks like (though it might vary slightly depending on the role):

1. Intro Chat – A first call with our Talent Partner Mariam Bokuchavato explore mutual fit around relevant skills, value alignment, and motivation.
2. Hiring Manager Interview – A deeper conversation about your background, aspirations, and experience with your potential manager in this role. Take this chance to ask anything on your mind—it’s just as much about making sure we’re the right fit for you, too.
3. Business Case – 45 Min Live‑case study session
4. Additional/ Final Interview (Optional) – A final conversation with another senior leader/stakeholder/peer from our Global Team.
5. References & Offer!

Why You’ll Love It Here

Global Benefits – No matter where you are, you’ll have access to:

• Healthcare insurance – so you can focus on what matters.
• Wellness that works for you – from gym memberships to mental health support, we’ve got you covered.
• Time off that counts – whether it’s a vacation, your birthday, or just a day to recharge, we believe in balance.

Local Perks – Depending on your location, you will be entitled to local benefits like meal vouchers (ticket restaurant), transport allowances, or extended parental leave.

Career Growth – We’re growing, and so can you! You’ll find lots of chances to learn, develop, and explore new paths—whether within your team or through cross‑functional projects.

A Truly Global Team – Work with talented people from all over the world in a diverse and inclusive environment.

Flexibility That Works for You – Remote work and flexible hours aren’t just buzzwords here. While the extent of flexibility depends on your role and team, we value results over rigid schedules. Prefer an office setting? You’re welcome at any of our hubs in Barcelona, Warsaw, Curitiba, Rio de Janeiro, Mexico City, Bogotá, Munich, Rome or Bologna.

Please note: At this time, we are not able to sponsor visas for this position. To apply, you must already have the legal right to work in your country of residence or the location of the role.

What We Believe In

At Docplanner, our values guide everything we do:

• Focus on results – we're here to make an impact.
• Think like an owner – take responsibility, drive outcomes.
• Keep it simple, keep it lean – smart solutions over complexity.
• Be respectful and radically honest – openness builds trust.
• Learn and be curious – growth is part of the job.

Don’t just take our word for it—check out our Glassdoor to hear what our people say!

We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. We welcome applicants from all walks of life, regardless of gender, disability, or background, and are dedicated to fostering an inclusive workplace where everyone feels valued and empowered to contribute.