Careers at Jonajo

(Senior) Back End Engineer

Do you love algorithms, building services at scale, and optimizing performance? As a member of the Back end team, you will be responsible for designing and building the features and underlying systems that power our core product. You'll get to work with a variety of external and internally developed technologies. Our backend stack is constantly evolving, and you will directly contribute to improving the flexibility, scalability, and efficiency of our system.


  • Develop reliable, scalable, and flexible systems
  • Design, implement, test and maintain backend components: application, data, infrastructure, analytics and deployment
  • Design and build systems with automated instrumentation and monitoring
  • Design and Implement RESTful APIs
  • Live and breathe system reliability and up-time
  • Consistently improve maintainability and stability of the codebase
  • Identify and resolve performance and Scalability issues


  • 4+ years industry experience
  • Excited to use new technologies
  • Strong foundation in programming, algorithms, and software application design
  • Experience with Python, NodeJS, Java, C, C++ or C#
  • Broad knowledge on databases, data structures, data modeling
  • Strong coder who can easily pass algorithm coding tests
  • Experience with MySql or any RDBMS
  • Experience with Graph algorithms and Graph DBs
  • Experience with NoSQL - Hadoop, Cassandra, MongoDB
  • Passionate about solving challenging problems and iterating quickly
  • Passion for agile, test-driven development, continuous integration and automated testing
  • Solid understanding of distributed systems and functional programming paradigms

Highly Desired

  • Previous experience in distributed systems, data processing and analytics is a plus
  • Experience in technical leadership of an engineering team
  • Ideally can lead a project, or at least can work independently without oversight.
  • BS,MS or PhD in Computer Science or a related technical field preferred
Last Updated:
November 27, 2020


English Level:
Business (TOEFL 590+)
Silicon Valley, USA

Years of Experience:

Apply Here

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