Development & IT Consultation with Daniel K.
Development & IT Consultation with Daniel K.
Get personalized advice on:
IT Support & Services
Mobile App Development
Web Programming
api development
monday.com
api integration
asterisk
twilio api
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About Daniel
Senior Software Engineer. VOIP (Twilio/Asterisk), Full Stack Backend
100%
Job Success
Bern, Switzerland - 5:39 am local time
I'm Daniel Krahenbuhl. Originally from Switzerland and living in Gdańsk Poland for the last couple of years.
I can communicate in English, german and french (if needed :-)).
I do enjoy working as a freelance software engineer and sometimes project manager (if the project is interesting).
It would be awesome to connect with you and hear what cool projects you have in mind.
Let's do it and happy days always.
My general work experience:
I design and write Software over the last 30 years
Node.JS backend development
Build API’s / Integrate third party API’s
Experience in MySQL/MariaDB, MongoDB
Voice/Video/Asterisk:
I work with Asterisk since its; s beginnings (25 years ago) Especially if you build large, scalable services. | designed some of the largest and most complex Asterisk system globally. During the years i also gained a lot of in-dept knowledge of Twilio, Pipedrive and Hubspot.
Third party API Integrations
I have a lot experience in integrating and using following API's
Hubspot, Pipedrive, Insightly, Sendgrid, MailChimp, and many more
Monday.com
Over 7 years of expertise in transforming businesses through cutting-edge process optimization and seamless integrations. With 30 years of programming experience and a background in business consulting, I possess a unique set of skills to elevate your organization to new heights.
At the core of my services lies Monday.com, a powerful platform that has revolutionized how businesses manage their workflows and projects. As a seasoned Monday.com specialist, I am adept at tailoring this robust tool to suit your specific needs, streamlining your processes, and enhancing collaboration across your entire team.
What to expect
Schedule the consultation
Choose from the freelancer’s available days and times.
Get advice for your custom needs
Share details about your project and what you want to talk about. The freelancer will review and reach out if they have questions.
Join the Zoom meeting
1-on-1 meeting with the freelancer to discuss your needs and project.
Approve the work
The freelancer will finish up the documents you asked for and send them to you for approval:
Before the consultation
Here’s what Daniel will need to know before you meet
- Please give me as much information as possible before our call.
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Rob E.
May 14, 2024
RE
Rob E.
Apr 12, 2024
RE
Rob E.
Mar 27, 2024
Great info, will continue to use for further projects.
OA
Oluseyi A.
Feb 6, 2024
SS
Shannon S.
Jan 22, 2024
Daniel is amazing and thoughtful. The consultation we had really helped me understand how to approach the VOIP challenges and solutions. I will be back to work with him once I do my homework and have a project for him to do.
YB
Yamen B.
Dec 14, 2025
Telephony Developer - Asterisk & FreeSwitch Expert Needed
MB
Miki B.
Jul 3, 2025
Asterisk Call Diversion Handling System
Daniel was very professional and did the work quickly. He was happy to help and explain all the details.
SO
Sascha O.
Jun 3, 2025
Control Dect devices with FreePBX and create a persist voice chat / conference
RE
Rob E.
Jul 19, 2024
ASTERISK AMI API (Dialer)
Flexible, knowledgeable, easy to work with.
DK
David K.
Jul 17, 2024
Configure Asterisk PBX to enable Twilio TwinML like features - see posting
Daniel knows what he is talking about. I rarely had a project that went so smooth on Upwork.
