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Aleksandra MitrovicAM

Aleksandra Mitrovic

Data Analytics & Annotation Consultant

€250/day
Belgrade, RS
8-15 years

Average response time: 1 hour

About Aleksandra

I help businesses unlock the value of their data by providing analytics, visualization, and annotation solutions that drive smarter decisions and operational efficiency. With expertise in data analysis, dashboards (Power BI, Excel), SQL, Databricks, AWS, and workflow automation, I deliver clear, reliable insights tailored to each client’s needs.

Beyond technical skills, I bring strong team leadership and project management experience, ensuring high-quality outcomes on time and at scale. My goal is to transform raw data into actionable strategies and measurable results for your business.
  • English

    Native or bilingual

  • Serbian

    Native or bilingual

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • Rivian
    Data Annotation Lead
    AUTOMOBILE
    July 2023 - Today (2 years and 11 months)
    Lead cross-functional team of data annotators, ensuring high-quality labeled datasets to support AI/ML model development for autonomous driving and ADAS.

    Define annotation guidelines, workflows, and quality standards to maximize data accuracy and readiness for machine learning pipelines.

    Collaborate with engineers, data scientists, and product teams to translate project requirements into clear annotation tasks and deliverables.

    Manage large-scale annotation initiatives, leveraging platforms such as AWS and Databricks for data handling and workflow optimization.

    Monitor performance and project health using visualization tools (e.g., Power BI, dashboards) to track KPIs and communicate progress to stakeholders.

    Implement process improvements and automation (including lightweight scripting tools such as Google Apps Script) to increase throughput and reduce errors.

    Provide training, mentorship, and feedback to team members, fostering growth and consistency in work.
    Data analysis Project Management Data Visualization KPIs and Metric Definition and Monitoring Power BI & Dashboarding
  • HTEC
    Data Analyst
    May 2019 - May 2023 (4 years)
    Delivered data analysis and reporting across a variety of projects, with significant focus on medical device development initiatives.

    Built and maintained dashboards and visualizations (Power BI, Excel, and custom tools) to monitor KPIs and guide project decisions.

    Prepared, cleaned, and transformed complex datasets, ensuring accuracy and reliability for regulatory and engineering use cases.

    Applied SQL, scripting, and automation to streamline recurring processes and reduce manual workload.

    Led a team of annotators, establishing workflows, quality checks, and training to support data preparation for R&D projects.

    Collaborated closely with engineers, product managers, and clinical teams to translate analytical findings into actionable recommendations.
  • Microsoft
    Data Collection and Labeling Associate
    January 2019 - June 2019 (5 months)
    Conducted data collection and analysis, mentored new associates, and provided
    insight into problem solving and tool testing

    Maintained constant communication with associates around the world

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Skill set

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