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Emmanuel K.
@kipkirui_ronoh
Level 2
Payment Gateway Expert and Full Stack Developer
Kenya
English, Swahili
About me
Hi there!
I’m a Blockchain, Fintech & Full-Stack Developer with 6+ years of experience building secure, scalable web and mobile applications. I specialize in payment gateway integrations (Stripe, PayPal, M-Pesa, Flutterwave, Paystack), Web3 & fintech solutions, bug fixing, and custom full-stack platforms like e-commerce and booking systems. I focus on clean code, security, and production ready results. Friendly, responsive, and committed to delivering on time. Let’s build something great!
Skills
Emmanuel K.
$20/hour
Offline •
Average response time: 1 hour
See my services
API & Integrations
I will integrate stripe, paypal or mpesa payment gateway in your website
Bug Fixes
I will debug and fix javascript, react, node or API errors fast
Want to work on an hourly basis?
Tell Emmanuel K. what you need.
$20
/
hourPortfolio
Work experience
Tech Lead
CalabrixTech • Self-employed
Mar 2025 - Present • 1 yr 5 mos
As the Tech Lead at CalabrixTech, I drive the development of innovative web, mobile, and fintech solutions from concept to production. I lead a team of developers, oversee project architecture, and ensure the delivery of secure, scalable, and high quality software. My responsibilities include mentoring team members, implementing best coding practices, integrating payment gateways, and delivering custom full-stack platforms for clients. I focus on innovation, clean code, and timely project delivery, helping the company create impactful technology solutions.
19 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 19 Reviews
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Most relevant
rodrigo12344
United States
Excellent work on a complex PayPal PPCP integration audit. Emmanuel identified all critical issues, delivered clean code fixes, and provided a complete IWT submission package including API samples, compliance matrix, video recordings, and questionnaire answers. Professional, communicative, and detail-oriented....
Seller's Response
Helpful?
libanahmed262
Repeat Client
United States
Working with Emmanuel has been a great experience. He has been cooperative, patient, and supportive throughout the project. His technical expertise and willingness to help made the development process much smoother. I appreciate his professionalism and dedication, and I look forward to working with him again in the future. Highly recommended!
Seller's Response
Helpful?
libanahmed262
Repeat Client
United States
Emmanuel was great to work with. He was kind, responsive, and always willing to make changes when needed. I appreciate his hard work and would be happy to work with him again.
Helpful?
kennethgara
Repeat Client
South Africa
Seller's Response
Helpful?
nooncapital
Kenya
Order Canceled
Please read this before hiring. We brought this developer on for a simple, well defined job. To build an M-Pesa payment gateway add-on that sits on its own without touching our existing system. A model was also shared with him for reference. We were clear about this from day one. He agreed, and then...
Seller's Response
Helpful?
