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Senior Blockchain iOS Engineer - Remote

Numbrs develops and provides an industry-leading, highly secure storage solution for digital currencies and aims to develop global wealth preservation for the 21st century. By constantly challenging the status quo we are able to exceed our clients’ expectations while maintaining a unique company culture. 

Numbrs is a Swiss company controlled by Swiss shareholders, adhering to the Swiss standards of privacy, neutrality and stability. We are looking for world-class talents with the desire and ability to build and share expertise in the frontier technologies of crypto and blockchain. 

The Role

We are seeking an experienced, dedicated, and well-organized Senior Blockchain iOS Engineer to join our remote engineering team. This position will require someone who is adaptable in a changing environment and who is passionate about delivering high quality results in a fast-paced environment.

You will work on the development of user-facing features of the production a team of highly skilled engineers using cutting edge technologies.
You will contribute to the evolution of the iOS platform by experimenting with new technologies, developing frameworks and tools, and working on a proof of concepts.

About you

  • You find large challenges exciting and enjoy discovering problems as much as solving them.
  • You can thrive in a fast-paced environment where attention to detail, excellent communication skills, and a talent for delivering out-of-the-box ideas are essential
  • You deliver. You may enjoy thoughtful conversations about problems and perfecting designs, but in the end, you know that what matters is delivering a solution that works every time.
  • Resourceful, flexible and adaptable; no task is too big or too small.

Key Qualifications

  • You have a passion for blockchain technologies and cryptocurrencies
  • Deep technical knowledge of blockchains and their data structures, especially with Ethereum and Bitcoin
  • Proven expertise in building DeFi applications or multiple cryptocurrency wallets
  • Professional experience in integrating with various blockchains
  • Extensive experience building native iOS applications
  • Very good knowledge of Swift and Objective-C
  • Strong experience with Apple iOS frameworks
  • Experience with REST APIs, JSON, and Websocket
  • A security-minded engineer with deep understanding of encryption algorithms, cryptographic hash functions, and public-key algorithms such as ECC
  • Excellent written and oral communication in English and interpersonal skills

Preferred Qualifications

  • Experience with AWS, Kubernetes, and Docker
  • Experience with CI/CD systems like Spinnaker and Jenkins
  • Experience with at least one backend language such as Java, Scala , or Go
  • Knowledge of Machine Learning

What we offer

  • An opportunity to work on the most exciting challenges in the crypto industry
  • Collaboration with some of the smartest and the most talented experts in technology
  • Growth potential. We rapidly advance team members who have an outsized impact
  • Fully remote company, at which every person is free to live and work wherever they want
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