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Rajat
@rajat_parvatio
Level 1
Sunmi POS and Business App Specialist
India
English, Hindi
About me
I help businesses build scalable mobile apps, including POS systems and on-demand service platforms.
Specialized in Sunmi POS and Android terminal apps with offline-first billing, inventory, and real-world operations.
✔ POS apps (Sunmi, iMin, NFC, thermal printing)
✔ On-demand service apps (booking platforms)
✔ API integrations & admin panels
Delivered 100+ apps for clients across USA, UK & Europe.
Message me to build your business app.
Skills
Rajat
$40/hour
Offline •
Average response time: 1 hour
See my services
Android App Development
I will develop custom android pos app for sunmi and pax
Cross-Platform Development
I will develop appointment booking app for businesses
Want to work on an hourly basis?
Tell Rajat what you need.
$40
/
hourPortfolio
Work experience
Software Developer
Flipkart • Full-time
Sep 2015 - Dec 2017 • 2 yrs 3 mos
Worked on scalable backend systems and application features in a high-performance production environment. • Developed and maintained backend services and APIs • Worked on performance optimization and system reliability • Gained experience in building systems used by large-scale user bases This experience helped build a strong foundation in writing efficient, production-grade code and handling real-world system challenges.
13 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 13 Reviews
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Most relevant
ivangraf1
Repeat Client
Croatia
Very easy to work with. Understood really good our need and usage of the app. Fast in producing the app and fast in the response time in communication. All the time available to schedule a meeting to discuss everything to the smallest details. Really easy and nice to work with.
Seller's Response
Helpful?
ivangraf1
Repeat Client
Croatia
I cant express how satisfied and happy i am with Rajats work and delivery of the app. It is successfully approved on the apple and android store and ready for our customer to use.
Helpful?
ivangraf1
Repeat Client
Croatia
Once again, Rajat has made perfect app to all our requirements. I recommend him once again!!!
Seller's Response
Helpful?
ivangraf1
Repeat Client
Croatia
He continues to produce me good working apps.
Seller's Response
Helpful?
ivangraf1
Repeat Client
Croatia
Great and easy to work with. Understand requirements and makes everything possible.
Seller's Response
Helpful?
