Opera is a leading global internet brand with an engaged and growing base of over 360 million average monthly active users. Building on over 20 years of innovation, starting with our browser products, we are increasingly leveraging our brand as well as our massive and highly active user base in order to expand our offerings and our business. Today, we offer users across Europe, Africa and Asia a range of products and services that include our PC and mobile browsers as well as our AI-powered news reader Opera News and our app-based fintech solutions.

Opera Sweden is looking for a Go developer to join our new Cryptocurrency team who is passionate about blockchain and cryptocurrency.

We are the first major browser to natively integrate a crypto wallet. As a Go developer in our cryptocurrency team, you will be on the cutting edge of building the “web 3” and helping make Bitcoin and Ethereum first class citizens of the modern internet.

You will be a part of a small, focused and supportive team with 7 developers, QA:s and business developers. We use Lean principles for day to day work and best technical practices. We work hard together to reach our goals and make the blockchain available for more people . We also understand that work life balance is important to be able to perform and offer flexible working hours.

Role and responsibilities

  • Support and develop new features for the backend.
  • Work on building on top of Go-Ethereum node.
  • Creating automated (unit & API) tests for the code you wrote.
  • Take part in overall design & architecture discussions.

To be successful in this role, you’ll need:

  • Strong experience with Go, and features of the language (goroutines, channels, etc)
  • Strong communication skills.
  • Profiling skills.
  • Strong understanding of web systems and protocols.
  • Understanding of how to use a performance profiler and memory allocations.
  • Understanding of containerization (Docker).
  • Strong software development skills, including:

- Design of the overall architecture of web applications

- Building reusable code and libraries for future use

- Optimization of applications for speed and scalability

- Integration of front-end and back-end aspects of web applications

  • Good understanding of git.
  • Understanding of CI and CD principles.
  • Fluency in English, both written and spoken.

An ideal candidate has:

  • Deep understanding of blockchain technology, especially Ethereum
  • Understanding containerization, Docker

We offer:

  • An opportunity to experience the thrill and challenges of working in an international internet company with a huge global user base
  • A flat org structure and friendly atmosphere where we learn and grow together
  • A place in the team that works on the most cutting edge technologies
  • A flexible work environment
  • Great company benefits