John Njenga

John njenga

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location of John NjengaNairobi, Nairobi County, Kenya
Followers of John Njenga1000 followers
  • Timeline

  • About me

    Project Team Management || AI Data Quality Analyst || Multi-skilled Data annotation Specialist || Freelancing || Little bit of Land Surveying || Empowering AI and ML with precise Data Annotation.

  • Education

    • Allison courses

      2022 -
      Various diploma and certificates
    • The cloudfactory academy

      2022 - 2023
      Certificate leader worth following orientation program
    • Adept technologies

      2023 - 2023
      Certificate lidar
    • Ajira digital program

      2023 - 2023
      Certificate graphic design
    • Kenya institute of survey and mapping

      2018 - 2022
      Diploma in land survey land survey
    • Ajira digital program

      2021 - 2021
      Certificate transcription
    • Ajira digital program

      2021 - 2021
      Certificate virtual assistance
    • Sama

      2021 - 2021
      Certificate introduction to artificial intelligence and ml
    • St kevin's high school

      2013 - 2017
      Kcse high school c-(minus)

      Activities and Societies: Various

    • Wangige primary school

      2004 - 2012
      Kcpe primary school 293 of 500

      Activities and Societies: Various

  • Experience

    • Geohectar

      May 2020 - May 2021
      Land survey intern

      • Performing various tasks as assigned by the Lead Surveyor which are based around Land Surveying ; • Record keeping • Land Survey • Land search • Disputes • Subdivision • Map search • Etc.

    • Africa 118 inc.

      Jul 2020 - Dec 2020
      Field agent

      • Providing knowledge and insights to business owners about Google search and Google maps and how they can assist small businesses and startups gain exposure and visibility on the same.• Creating entries using the accurate information from the startup/business owners which after review and confirmation is updated on both Google maps and Google search.• Reviewing and proposing/recommending updates to pre-existing listed businesses as requested by the business owners.• Performing other tasks as requested or assigned and working closely with the Team lead to maintain a clear record and avoid duplication of entries.• Maintaining clear records of any work done not just for payment tracking but also future reference. Show less

    • The yard chips

      Dec 2020 - Feb 2021
      Online marketer

      • Providing guidelines and tips and implementing the same with the aim of creating social media presence in order to increase sales.• Creating Ads and tracking the impact and reach while keeping a clear record of observations/challenges and proposing solutions.• Working closely with the business manager and other staff in order to get impressive photos, captions and other helpful insights to keep social pages interactive and informative.

    • Sama

      Mar 2021 - May 2022
      Data annotation | project team management | data entry specialist | quality analyst

      • Processing bulk data work as assigned through resolving discrepancies, tagging, annotating or capturing by using standard procedures and client tools, and/or returning incomplete or corrupted files to the team lead for resolution.• Maintaining data work requirements by following data program techniques, procedures as well as meeting and maintaining the required quality threshold and SLA.• Verifying data reviewing, correcting, deleting, or re-entering data, annotating and tagging bulk images and videos as per the client specifications, and purging files to eliminate duplication of data.• Contributing to team effort by performing various tasks as assigned and assisting in team management when the Lead is indisposed or on leave.• Assisting in sampling the work done by my fellow colleagues when need arises.• Performing various other tasks as required or assigned. Show less

    • Qa world

      Nov 2021 - Apr 2022
      Data transcriber

      • Transcribing short audio files while closely following QA world guidelines.

    • Manymangoes

      Oct 2022 - Dec 2022
      Data processing | lead generation | data annotation internship

      Upskilling Internship for 3 months at Manymangoes;• Involved in an Image annotation project adding labels to objects on for the purpose of AI model training. • Downloaded Videos from server, and used a software to split into 1second images and ready for upload onto the annotation platform. • Performed upload of annotation ready tasks onto the labeling platform.• Also did Scraping for data from various websites using different tools and exporting the data to Google sheets for presentation and further use.• Filtering, sorting, cleaning/deleting and editing data in excel and Google sheets and visualising as instructed or required.• Collaborating with team members using google workspace tools and more. • Sharing skills learnt with team mates and learning from them while collaborating to deliver most optimal results.• Lead generation and email marketing using various tools. Show less

    • Impact outsourcing limited

      Jul 2023 - now

      • Reviewing, fixing and validating tasks done by the team members to ensure quality of tags/labels. This includes checking for accuracy, completeness, and consistency of the labels.• Maintaining a database of validated tasks, error count and the quality scores. This helps in providing constructive feedback on how to improve tagging skills. The feedback essential to help the agents improve and keep up their performance on the project.• Keep the team updated with any new information or changes from the client and company. This includes sending out emails and timely communication to keep the team aware of any new developments. The team is kept informed of any changes to the project, labelling guidelines or the client's requirements.• Organize team meetings on regular basis to hear from the team and pass on communications. This includes listening to the team's feedback and concerns. The team meetings are used to discuss any issues that the team is facing and to come up with solutions. Show less • Adding labels to images and objects on images and videos for use in computer vision models. This includes identifying objects, scenes, and activities in images and adding boxes, polygons or points. These labels are used to train AI and ML models to recognize these objects, scenes, and activities.• Filling information from a given website into a database. This includes extracting text, images, and other data from websites. The data is then stored in a database for easy access and search or used to develop/enhance ML and AI models• Read and validate prompts and responses on famous chat-based AI models. This includes checking for grammar, spelling, and factual accuracy. The prompts and responses are used to train and improve AI models. Show less

      • Project Team Co-ordination | Data Quality Analyst

        Sept 2023 - now
      • Data Annotation Specialist | Data Enrichment | NLP and Language validation

        Jul 2023 - Aug 2023
    • Cloudfactory

      Feb 2024 - now

      • In charge of Coordinating the planning of various serving, learning and self development activities with a group of colleagues. This include but not limited to, Voluntary Community service projects and attending upskilling sessions.• Offering freelance Data Annotation services, from Document transcription to image, video and text annotation for various AI, ML and NLP projects. • Using various tools to track progress and communicate/collaborate i.e Google sheets and slack(Google workspace)• Continuous learning and development using internal learning management systems to gain proficiency on various annotation tools and projects. I.e labelbox, CVAT, labelMe, etc• Taking advantage of leadership and mentorship programs offered to nurture leaders and people worth following. Show less

      • Team Leadership | Document Transcription | Data Entry Specialist | Data Annotation

        Feb 2022 - now
      • Data Quality Analyst

        Feb 2024 - now
  • Licenses & Certifications

    • Driver's license

      Petanns driving school
      Jul 2018
    • Internet and computing core certification (ic3)

      Premier professional institute
      Jun 2018
    • Kenya certificate of secondary education

      Knec
      Apr 2018
    • Kenya certificate of primary education

      Knec
      Aug 2012
    • Hospitality management studies - hotel operations

      Alison - free online learning
      Oct 2021
      View certificate certificate
    • Diploma in business administration

      Alison - empower yourself
      Jan 2022
      View certificate certificate
    • Cyber security awareness

      Sama
      Oct 2021
    • Fundamentals of english grammar

      Alison - free online learning
      Jun 2021
      View certificate certificate
    • Artificial intelligence certificate

      Sama
      Jan 2021
    • Diploma in cryptocurrency

      Alison - empower yourself
      Feb 2022
      View certificate certificate