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I will build advanced kobotoolbox, odk and surveycto xlsform surveys with skip logic
Full Stack Developer, KoboToolbox XLSForm and Research Data Expert
Hi, I'm Suhan, a full stack developer and research data specialist from Dhaka. For 5 years I've worked where code meets fieldwork: I led 20+ quantitative studies (up to 9,000 respondents) and built Ko...
About this Gig
Is your KoboToolbox or ODK form breaking once the logic gets complicated?
I'm a research coordinator turned XLSForm developer. Over 5 years I built data collection tools for 20+ field studies (up to 9,000 respondents), including projects for ILO, World Vision, ActionAid and Nutrition International. I write every form directly in XLSForm, so nothing is limited by a drag-and-drop builder.
What I can build:
- Complex skip logic and relevance conditions
- Cascading selects (division > district > upazila > village)
- Constraints and regex validation for phone numbers, IDs and ranges
- Repeat groups and household rosters
- Calculations, pulldata() and external CSV lookups
- Multi-language forms (you provide the translations)
- GPS, photo, barcode and signature questions
Every order includes the source .xlsx file and test submissions to check the logic before fieldwork. Deployment to your KoboToolbox, ODK Central or SurveyCTO server is available on request.
Also available: data cleaning and analysis in STATA.
Please message me with your questionnaire (Word, PDF or Excel) before ordering so I can confirm scope and delivery time.
FAQ
Q: I have a very complex condition for a question. Can you implement it?
A: Yes. Since I code the forms using XLSForm syntax directly, I can write complex formulas (using relevant, constraints, calculation, and custom expression or logic columns) that standard builders often cannot support.
Q: Can you convert my form to support multiple languages?
A: Absolutely. I can set up the XLSForm to support switching between English, Bengali, or other languages instantly within the app.
Q: Will this work on ODK Collect?
A: Yes! KoboToolbox and ODK (Open Data Kit) both use the same XLSForm standard. My files will work perfectly on both platforms.
Q: What if I need to make changes after the project is done?
A: I provide the source .xlsx file. You can make minor text edits yourself. For logic changes, I offer support depending on the package you choose.
Can you convert my Word or PDF questionnaire into KoboToolbox?
Yes. Send the questionnaire in any format and I will code it in XLSForm with the right question types, skip logic and validation.
Can you fix a form that already gives errors?
Yes. Send your .xlsx file and the error message. I debug the logic, fix it and explain what was wrong.
Reviews
1 reviews for this Gig
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Rating Breakdown
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thabo_miya
South Africa
Suhanur showed great work ethic and open communication. This task required a complex uses of the pulldata function and he was able to execute a working solution.
$100-$200
Price
1 day
Duration
S 
Seller's Response
Helpful?
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
T thabo_miya
South Africa
Suhanur showed great work ethic and open communication. This task required a complex uses of the pulldata function and he was able to execute a working solution.
$100-$200
Price
1 day
Duration
S Seller's Response
Helpful?
