Thesis
Detecting Brain Tumor Using CNN
Developed an applied machine learning model utilizing Convolutional Neural Networks for automated image classification and medical diagnostics.
About Me
Owishik Biswas
Virtual Assistant & Digital Marketing Specialist
Bridging Technology, Business & Digital Growth.
I'm a Virtual Assistant & Certified Digital Marketing Professional, helping businesses with data management, e-commerce, SEO, web research, and administrative operations. As a Top Rated freelancer on Upwork with a 100% Job Success Score, I’ve worked with clients across a variety of projects and workflows.
With a background spanning technology, business, and finance, I bring a practical approach to problem-solving, with a strong focus on accuracy, reliability, and getting things done right.
100%
Job Success
Skills
Professional Skills
Computer Science & Information Systems
- Information Systems
- Database Management & SQL
- Data Analysis
- Power BI & Data Visualization
- Microsoft Excel & Google Sheets
- IT & Computer Fundamentals
Virtual Assistance & Business Support
- General Virtual Assistance
- Data Entry & Data Management
- Web Research
- CRM & Database Management
- Data Cleaning & Organization
- Financial Analysis & Reporting
- Bengali ↔ English Translation
- Bengali Transcription
Digital Marketing
- Social Media Account Creation & Management
- Content Scheduling & Publishing
- On-Page SEO
- SEO Content Optimization
- Keyword Research
- Meta Titles & Descriptions
- Image Alt Text Optimization
- Internal Linking
- AI Image Generation
E-commerce & Website Management
- Shopify & WooCommerce
- WordPress
- Product & Catalog Management
- Product Data Management
- CSV Import & Export
- Variants & Metafields
- Inventory Management
- Website Content Management
Tools & Platforms
Productivity & Data
E-commerce & Web
ShopifySEO & Marketing
Social & Content
InstagramAI & Creative
VA & Workflow
Education
Education & Certifications
Academic Qualifications
NSU
2023–2026
North South University (NSU)
Master of Business Administration (MBA)
Major - Finance
AIUB
2018–2023
American International University-Bangladesh (AIUB)
B.Sc. in Computer Science and Engineering (CSE)
Major - Information Systems
MCU
2017
Milestone College Uttara
Higher Secondary Certificate (HSC)
Group - Science
Certifications
Mar 2024 – Oct 2024
Professional Digital Marketing Certification
Creative IT Institute · Grade A+
View CertificateAcademic Thesis & Projects
Project
SmartBooking – Multi-Tenant SaaS Appointment Booking Platform
Built a secure multi-tenant SaaS appointment booking platform with role-based access control, tenant-isolated data, real-time scheduling, booking validation, and business administration tools.
Project
International Currency Portfolio Analysis
Analyzed the risk-return profiles and historical performance of global currency pairs from 2021–2023.
Project
DBS Auto's Electric Two-Wheelers Project
Conducted cash-flow and capital-budgeting analysis to evaluate electric two-wheeler market integration and investment feasibility.
Project
Garments Industry Employee Welfare Study
Examined employee compensation, fair-pay compliance, and labor-welfare practices within Bangladesh’s garments industry.
Services
What I Do
V
Virtual Assistant & Data Support
Reliable administrative support for businesses, including data management, research, CRM maintenance, document organization, and recurring operational tasks.
E
E-commerce & Website Support
Support for Shopify, WooCommerce, and WordPress businesses to keep product catalogs, website content, inventory information, and store data accurate and organized.
D
Digital Marketing Support
Execution-focused support for social media, SEO, content publishing, website optimization, and maintaining a consistent online presence.
B
Bengali Translation & Transcription
Bengali-English translation and transcription support for audio, video, documents, subtitles, proofreading, and language-data projects.
Top-Rated Freelancer
Freelancing Profile
Top-Rated Freelancer on Upwork
100% Job Success Score · 30+ projects for international clients
Completed Projects
Social Media Account Setup & Profile Branding
Built and branded a consistent social media presence for a lifestyle brand across Facebook, Instagram, LinkedIn, Pinterest, TikTok, YouTube, Threads, and X. Added the client’s logos, cover images, business details, website links, and platform-specific bios to maintain a consistent brand identity across all platforms. Organized the account information and prepared screenshots and handover details for the client. The attached portfolio shows the profiles and branding completed during the project.
Skills & Deliverables
Digital MarketingSocial Media Account SetupSocial Media Management
Project Portfolio
Shopify Product Listings & Catalog Data Cleanup
Supported catalog cleanup for 600+ active and draft products in a Shopify store. The project began with linking product images and expanded to checking listing statuses and correcting product heights, dimensions, and package weights. Uploaded visual assets and updated product information to improve catalog consistency. After an initial walkthrough, I completed the expanded scope independently and delivered ahead of the client’s deadline.
Skills & Deliverables
ShopifyProduct AuditProduct ListingsVirtual AssistanceDigital Marketing
Project Portfolio
Bengali Transcription, Audio Annotation & Quality Review
Provided Bengali transcription, audio annotation, and quality review across projects with Skyfall AI and Processor.ai. Listened to Bengali recordings, prepared transcripts, added timestamps and speaker labels, and reviewed completed work for errors. Followed project-specific guidelines for transcription accuracy, audio segmentation, and labeling.
Skills & Deliverables
TranslationBengali to English TranslationData LabelingBengaliData Annotation
Project Portfolio
AI Image Generation: 250 Custom Illustrations
Created 250 custom AI-generated illustrations for Patronus Energy LLC using Gemini Nano Banana Pro and ChatGPT Plus. Developed prompts based on the client’s requirements to produce high-resolution images and delivered the project within a tight deadline. This portfolio includes two selected illustrations from the completed project, showing industrial environments and detailed scenes created for the client.
Skills & Deliverables
AI Image GenerationAI Image EditingAI Image Generator
Project Portfolio
Historical Census Data Extraction & Excel Cleanup
Extracted historical demographic and healthcare data from archival census reports and organized it into structured Excel spreadsheets. Recorded hospital counts, bed counts, locations, years, and administrative categories. Standardized the data layout and checked entries across columns to identify inconsistencies.
Skills & Deliverables
Data EntryMicrosoft ExcelData ExtractionOnline ResearchVirtual Assistance
Project Portfolio
WordPress Blog Publishing & Rank Math On-Page SEO
Formatted and published blog posts for a home appliance website using WordPress and Rank Math. Organized supplied drafts with headings, images, and media embeds. Updated focus keywords, meta titles, meta descriptions, URL slugs, image alt text, and relevant internal and external links. The attached samples show published content and the WordPress dashboard, including a post with a Rank Math score of 100/100.
Skills & Deliverables
On-Page SEOBlog WritingWordPress
Project Portfolio
Financial Data Extraction & Multi-Year Analysis
Collected public school district financial and state aid data from the Texas Education Agency’s online reports. Organized figures in Excel by district code and reporting year, calculated averages across multiple years, and applied consistent formatting. Checked entries against source reports and reviewed calculations for errors. The attached samples show the source portal and the spreadsheet prepared for comparison and reporting.
Skills & Deliverables
Virtual AssistanceData EntryFinancial ReportData ExtractionOnline Research
Project PortfolioClient Feedback
Some Examples of What My Clients Say
AI Image Designer
★★★★★
“Working with Owishik was an excellent experience. He recently created a technical AI-generated image for our company, and the result was absolutely fantastic.
The image looks 100% natural, realistic, and highly professional. He clearly has an excellent understanding of AI image generation and knows how to achieve a polished result without making the image look artificial.
We are extremely happy with the final result and would definitely recommend Owishik to anyone looking for high-quality AI-generated visuals.
Excellent work, Owishik. Thank you!”
Outlook Email & CFPB Account Creation
★★★★★
“Exceeded my expectations! His attention to detail, communication, and professionalism were top-notch. The final delivery was even better than I imagined. I’ll be hiring him again. Highly recommended to anyone looking for quality and reliability.”
Bengali Language Transcription
★★★★★
“Thanks you so much, it was a great collaboration. All the best.”
Marketing Promotion Help
★★★★★
“This freelancer finished the project quickly and according to the documentation. Thank you!”
Account Creation for 300 websites
★★★★★
“Job well done and great experience”