Avatar for Ring4

Smart phone numbers on demand

iOS developer - VOIP

$20k – $70k • 0.0% – 0.2%
Apply now
About the job:
Ring4 is looking for an iOS Developer to build a world-class mobile messaging and telephony app.
You should have experience building and architecting iOS applications that are easy to maintain and extend with a high level of reliability.
You have worked previously with VOIP.
This full-time role is located in San Francisco, remote work in Europe can be considered.

Responsibilities:
Build the new features of the Ring4 iOS application, set to become a flagship in the telephony/messaging industry
Implement beautiful user interfaces and write clean, maintainable code.
Rapidly create prototypes, synthesize feedback and develop a production quality application
Implement a QA process and work closely with product to release changes
Collaborate with a product manager, designer and our CTO who has conceived the backend
Maintain a thoughtful commit history using git and conduct peer reviews using GitHub

We seek candidates with a will to be work in a startup environment, passionate about building, coding and ready for long hours to meet challenging deadlines.
You are a doer. You like challenges and working in a fast pace environments. You want your app to be featured in the Apple App Store!

Qualifications:
BS, Or MS in Computer Science.
4+ years of recent iOS development experience (pls do not apply with no experience).

Skills:
(Please rate yourself on a scale from [0-5] on the following skills)
Skilled in Android development and php.
Demonstrated UX and UI sensibilities.
Experience with material design
Strong communication and collaboration.
Ability to work quickly and independently with minimal oversight.
Experience with source control (git).
English fluent.
Aptitude/interest for Agile processes .

Bonus points
You have worked with VOIP and knows SIP.
Experience with WebRTC.
Experience with Sketch/Photoshop

What we offer:
The ability to revolutionize telephony and messaging and to have an impact on a global scale!
Competitive salary and meaningful equity.
Experience the startup life in a team of 4, and be part of a great tech and human adventure.
Trips to San Francisco to be immersed in the startup scene (if remote)

About Ring4:
Ring4 is the smart phone number app produced by yourVirtualSIM Inc. headquartered in San Francisco.
The app has already been downloaded 500,000+ times. And the company has just raised its first round of funding to grow and become leader the virtual telephony space.

Applications in English only please. Any nationality welcome!
Please note that we are not sponsoring visas at this moment, nor relocation packages.

Ring4 at a glance

Smart phone numbers on demand

Ring4 focuses on Telecommunications, Telephony, and iPhone. Their company has offices in San Francisco. They have a small team that's between 1-10 employees.

You can view their website at http://www.ring4.com or find them on Twitter and Facebook.

More jobs at Ring4

View all jobs

Full-stack Software Developer

Similar jobs to iOS developer - VOIP at Ring4

Avatar for Kintsugi
Modern talk therapy software for mental health
Avatar for Deca Games
Game Ops specialists who breathe new life into older games
Avatar for DUMA Group
Africa's #1 platform for SME to resell on social channels
Avatar for Shoplo
The ultimate platform that helps small businesses sell globally
Avatar for www.hotspawts.com
HotSpawts connects dog lovers with dog loving professionals
Avatar for halo.market
Brand new marketplace for refurbished tech