Sarah Herkenrath - Freelance Data Annotator

Q: Where is Sarah based?

Sarah is based in Turku, Finland and can operate in on-site , hybrid , and remote work models.

Q: What languages does Sarah speak?

Sarah speaks the following languages: German (Native), English (Advanced), Finnish (Intermediate), Swedish (Elementary) .

Q: How many years of experience does Sarah have?

Sarah has at least 4 years of experience. During this time, Sarah has worked in at least 7 different roles and for 8 different companies . The average length of individual experience is 5 months . Note that Sarah may not have shared all experience and actually has more experience.

Q: What is Sarah's latest experience?

Sarah's most recent position is Freelance Data Annotator at Freelance .

Q: What companies has Sarah worked for in recent years?

In recent years, Sarah has worked for Freelance , Trans Lång Oy , and N-Clean .

Q: Which industries is Sarah most experienced in?

Sarah is most experienced in industries like Media, Entertainment and Publishing , Transportation and Logistics , and Tourism and Hospitality . Sarah also has some experience in Information Technology (IT) .

Q: Which business areas is Sarah most experienced in?

Sarah is most experienced in business areas like Operations , Quality Assurance (QA) , and Logistics . Sarah also has some experience in Information Technology (IT) .

Q: What is Sarah's education?

Sarah holds a Bachelor in Maritime Studies from Novia University of Applied Sciences .

Q: What is the availability of Sarah?

Sarah is immediately available full-time for suitable projects.

Recommended expert

Turku, Finland

Experience

Nov 2025 - Present

4 months

Freelance Data Annotator

Freelance

Labeled and categorized text, image, and audio data according to detailed project guidelines to train and improve AI and NLP models.
Ensured data accuracy and consistency by carefully reviewing and verifying annotations before submission.
Followed strict quality assurance protocols to maintain high annotation standards across multiple projects.

Jul 2023 - Nov 2025

2 years 5 months

Turku, Finland

Cleaner

Trans Lång Oy

Maintained cleanliness and organization in the lobby, theaters, toilets, and concession areas of the local cinema using appropriate cleaning supplies and equipment.
Followed safety protocols to ensure a safe working environment for all staff.
Assisted in organizing storage areas for efficient access to cleaning materials.
Collaborated with team members to complete daily cleaning schedules effectively.
Trained new staff on proper cleaning techniques and safety procedures.

Jun 2023 - Aug 2023

3 months

Turku, Finland

Cleaner

N-Clean

Cleaned cabins and other areas of passenger ferry to meet company standards for cleanliness, using cleaning solutions and tools such as vacuum cleaners and mops.
Managed time effectively to meet tight schedule while ship was in harbour.

Oct 2019 - Nov 2019

2 months

Apprentice Officer at m/s Aila

Langh Ship

Operated navigation systems to ensure safe vessel operations.
Conducted routine inspections of equipment for proper functioning.
Collaborated with crew members to execute emergency drills effectively.
Maintained accurate logs of vessel movements and activities daily.
Participated in the loading and unloading of container cargo as well as in mooring operations.

Apr 2019 - Jun 2019

3 months

Apprentice Officer at m/s Airisto

Meriaura

Participated in day-to-day operations with effective standard procedures.
Swept, mopped and washed down decks to remove dirt and debris.
Chipped and cleaned rust spots on decks, superstructures or sides of ships.
Stood watch in ships' bows or bridge wings to look for obstructions or locate navigational aids.
Participated in loading and unloading bulk cargo.

Jun 2018 - Jul 2018

2 months

Apprentice Officer at m/s Polaris

VG - Shipping

Executed line handling tasks during mooring and unmooring operations.
Monitored loading, unloading, tracking and documentation of cargo.
Assisted in navigation and watchkeeping duties during voyages.

Mar 2016 - Aug 2016

6 months

Deck Cadet at m/s Mein Schiff 3

TUI Cruises

Conducted safety inspections to ensure compliance with operational standards.
Assisted in training new recruits on protocol and procedures.
Conducted safety inspections on all equipment and facilities.
Managed administrative tasks such as filing paperwork or maintaining records systems.
Stood watch on the ship's bridge.

Jul 2014 - Sep 2014

3 months

Apprentice at m/s Finlandia

Eckerö Line

Operated deck machinery for loading and unloading cargo.
Maintained cleanliness and safety of work areas on board.
Executed line handling tasks during mooring and unmooring operations.
Performed general maintenance duties on board ship such as painting, chipping rust and cleaning decks.
Participated in regular safety drills such as abandon ship drill, fire drill, man-overboard drill.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Media and Entertainment (2.5 years), Information Technology (0.5 years), Transportation (0.5 years), and Tourism (0.5 years).

Media and Entertainment

Information Technology

Transportation

Tourism

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Operations (3.5 years), Information Technology (0.5 years), Quality Assurance (0.5 years), and Logistics (0.5 years).

Operations

Information Technology

Quality Assurance

Logistics

Summary

Dedicated Data Annotation Specialist with a strong focus on precision, efficiency and data integrity.

Skilled in analyzing and categorizing large datasets to support the development of AI and NLP models.

Adept at maintaining annotation consistency, adapting to evolving project requirements, and contributing to process improvements in a fast-paced remote environment.

Skills

Time Management And Organization
Team Collaboration
Data Annotation And Labeling
Communication Skills
Attention To Detail
Quality Assurance And Accuracy
Reliability And Punctuality

Languages

German

Native

English

Advanced

Finnish

Intermediate

Swedish

Elementary

Education

Novia University of Applied Sciences

Bachelor of Maritime Management · Maritime Studies · Turku, Finland

Profile

Created

November 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Sarah based?

Sarah is based in Turku, Finland and can operate in on-site, hybrid, and remote work models.

What languages does Sarah speak?

Sarah speaks the following languages: German (Native), English (Advanced), Finnish (Intermediate), Swedish (Elementary).

How many years of experience does Sarah have?

Sarah has at least 4 years of experience. During this time, Sarah has worked in at least 7 different roles and for 8 different companies. The average length of individual experience is 5 months. Note that Sarah may not have shared all experience and actually has more experience.

What roles would Sarah be best suited for?

Based on recent experience, Sarah would be well-suited for roles such as: Freelance Data Annotator, Cleaner, Apprentice Officer at m/s Aila.

What is Sarah's latest experience?

Sarah's most recent position is Freelance Data Annotator at Freelance.

What companies has Sarah worked for in recent years?

In recent years, Sarah has worked for Freelance, Trans Lång Oy, and N-Clean.

Which industries is Sarah most experienced in?

Sarah is most experienced in industries like Media, Entertainment and Publishing, Transportation and Logistics, and Tourism and Hospitality. Sarah also has some experience in Information Technology (IT).

Which business areas is Sarah most experienced in?

Sarah is most experienced in business areas like Operations, Quality Assurance (QA), and Logistics. Sarah also has some experience in Information Technology (IT).

What is Sarah's education?

Sarah holds a Bachelor in Maritime Studies from Novia University of Applied Sciences.

What is the availability of Sarah?

Sarah is immediately available full-time for suitable projects.

What is the rate of Sarah?

Sarah's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.