Junior Data / ML Analyst

Posted 10 Days Ago
Be an Early Applicant
Sofia, Sofia-grad, BGR
Hybrid
Junior
Big Data • Information Technology
The world's leading consumer intelligence company.​
The Role
Perform quality control and delivery of client data, improve ML training datasets, run and create SQL-based monitoring queries, analyze deviations and taxonomy, resolve delivery issues, follow compliance and confidentiality standards, and support team processes and administrative tasks.
Summary Generated by Built In
Job Description

Within the Operations team, the Junior Data / ML  Analyst is responsible for the timely and accurate quality control and delivery of data to the clients. The role ensures that client data is distributed according to contractual agreements and quality standards.

Key Responsibilities:

Data Quality Control

  • Perform quality control checks on client deliverables.
  • Apply changes to dataset using internal platforms.
  • Improve ML training dataset quality.

Data Processing & Analysis

  • Report data deviations by providing trend analysis.
  • Create or update SQL based queries for automated data monitoring.
  • Analyze and suggest improvements for the taxonomy.
  • Work effectively with internal platforms and applications.

Collaboration & Communication

  • Provide timely solutions to delivery-related issues or client ad-hoc requests.
  • Participate in regular brainstorm or retrospective sessions and performance reviews.

Compliance & Confidentiality

  • Promote and adhere to global processes and best practices.
  • Maintain strict confidentiality of client and internal data.
  • Ensure compliance with internal standards and productivity targets.

General & Administrative Duties

  • Participate in company-organized training sessions.
  • Report system issues that may impact workflow.
  • Support team, department, and organizational tasks as needed.

Qualifications

  • Proficiency in MS Office & MS Outlook
  • University degree required.
  • Strong written and spoken English (B1/B2 level).
  • Is a plus: general acquaintance with Data Analysis, Machine Learning and Computer Science. 
  • Understanding of market and product specifics is an advantage.
  • Familiarity with data processing methods, procedures, and tools.
  • Attention to detail and high-quality standards.
  • Logical thinking and problem-solving skills.
  • Strong time management & self-administration skills.
  • Results-driven with persistence and follow-through.
  • Works effectively under deadlines and tracks progress.
  • Takes personal responsibility and acknowledges mistakes.

We offer:

  • Food vouchers € 62
  • Additional Medical Insurance, incl Prophylactics, Outpatient care, Inpatient care, еxpenses for medications and medical products
  • Life Insurance
  • Multisport card (self-funded by the employee) 
  • A Hybrid model of working: 3 days of the week you work from home (home office), 2 days from the office.
  • Additional paid leave of 3 days in case of no overdue leave days from previous year
  • Free access to LinkedIn Learning platform

In addition: 

  • Working in an international organization, once you become a specialist in your field, you can count on numerous programs offering development or relocation to other departments or countries. Your development is important to us!
  •  Stable employment in a dynamic and international environment with an established position on the market.
  • Volunteer time off (Global Volunteer Day) 
  • Free Employee Assistance Program (EAP) – confidential counselling for emotional well-being 
  • Office located close to the city center, easily accessible by public transportation 

 

All documents will be treated in the strictest confidentiality.

Only short-listed candidates will be invited for an interview.

 

#LI-SG1

Additional Information

Our Benefits

  • Flexible working environment
  • Volunteer time off
  • LinkedIn Learning
  • Employee-Assistance-Program (EAP)

NIQ may utilize artificial intelligence (AI) tools at various stages of the recruitment process, including résumé screening, candidate assessments, interview scheduling, job matching, communication support, and certain administrative tasks that help streamline workflows. These tools are intended to improve efficiency and support fair and consistent evaluation based on job-related criteria. All use of AI is governed by NIQ’s principles of fairness, transparency, human oversight, and inclusion. Final hiring decisions are made exclusively by humans. NIQ regularly reviews its AI tools to help mitigate bias and ensure compliance with applicable laws and regulations. If you have questions, require accommodations, or wish to request human review were permitted by law, please contact your local HR representative. For more information, please visit NIQ’s AI Safety Policies and Guiding Principles: https://nielseniq.com/global/en/info/niqs-ai-safety-policies/

About NIQ

NIQ is the world’s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth. In 2023, NIQ combined with GfK, bringing together the two industry leaders with unparalleled global reach. With a holistic retail read and the most comprehensive consumer insights—delivered with advanced analytics through state-of-the-art platforms—NIQ delivers the Full View™. NIQ is an Advent International portfolio company with operations in 100+ markets, covering more than 90% of the world’s population.

For more information, visit NIQ.com

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Our commitment to Diversity, Equity, and Inclusion

At NIQ, we are steadfast in our commitment to fostering an inclusive workplace that mirrors the rich diversity of the communities and markets we serve. We believe that embracing a wide range of perspectives drives innovation and excellence.  All employment decisions at NIQ are made without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable laws. We invite individuals who share our dedication to inclusivity and equity to join us in making a meaningful impact. To learn more about our ongoing efforts in diversity and inclusion, please visit the https://nielseniq.com/global/en/news-center/diversity-inclusion

Skills Required

  • Proficiency in MS Office and MS Outlook
  • University degree
  • Strong written and spoken English (B1/B2)
  • Familiarity with data processing methods, procedures, and tools
  • Ability to create or update SQL-based queries for automated monitoring
  • Attention to detail and high-quality standards
  • Logical thinking and problem-solving skills
  • Strong time management and self-administration skills
  • Results-driven with persistence and follow-through
  • Works effectively under deadlines and tracks progress
  • Takes personal responsibility and acknowledges mistakes
  • General acquaintance with Data Analysis, Machine Learning and Computer Science
  • Understanding of market and product specifics

NielsenIQ Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about NielsenIQ and has not been reviewed or approved by NielsenIQ.

  • Parental & Family Support Public materials highlight paid parental leave in the U.S., with additional paid disability time for birth parents. Parental leave is positioned as a standout element of the package.
  • Leave & Time Off Breadth Unlimited or flexible PTO is referenced alongside paid holidays and sick leave, providing broad time-off options in many roles. Actual use can vary by team norms, but the formal breadth is notable.
  • Flexible Benefits Work-from-home and hybrid arrangements are supported in many roles, with remote-friendly practices described across business lines. Flexibility is frequently positioned as a meaningful advantage.

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The Company
HQ: Chicago, IL
40,000 Employees
Year Founded: 1923

What We Do

NielsenIQ is the industry leader in global measurement and data analytics, and the most trusted source for retail and consumer intelligence. We deliver the complete truth to retailers, manufacturers, and our partners through our comprehensive data sets and powerful insights. We enable businesses to make critical decisions confidently, accelerating growth and optimizing performance.

Why Work With Us

We empower companies around the world to make bold decisions and transform their business with trusted data, solutions, and insights. Joining NielsenIQ means experiencing countless learning opportunities and gaining numerous pathways for growth.

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