Position: Backend Developer(Node.js)
Company: HR Studio
Experience required: 3y
English level: upper

Job Overview:
iOWN Group is seeking a full-time backend developer capable of building backend services
and RESTful applications and microservices. 
 
Main Responsibilities:
- Build and maintain backend modular services (optimally in NodeJS (ExpressJS)) either from scratch or by adding new functionality to existing code repositories. 
- Intergrade third-party restful APIs (like Blockchain JSON-RPC, Know-Your-Customer systems, Cryptographic Exchanges and similar restful APIs) and expose endpoints to other iOWN Group
systems. 
- Work hand in hand with frontend application developers and Blockchain developers to realize platform
goals and deliver high quality products. 
- Design modular application components for a platform needing demanding and continuously changing requirements as application scales. 
- Perform technology assessment and development languages/frameworks evaluation and selection to
meet design requirements. 
- Implement scalable applications serving multiple ecosystems in different geographical locations having
different configurable components. 
- Maintain database schema and configuration (MSSQL, MySQL) including transient data for Blockchain transaction (transaction hashes, Blockchain Events, Wallets and Smart Contract addresses...etc). 
- Writing and continuously updating unit-tests and integration tests to ensure every component works as expected. 
- Document developed components and public external interfaces which can then serve as Application Programmable Interfaces (APIs) for 3rd party systems, and which obtain data from 3rd party providers (like Know-your-customer provides for example). 

Ideal candidates should have the following skills & experience: 
- Proficient developments skills in building RESTful web applications using modern rich development languages like NodeJS + ExpressJS, ORM systems. 
- Experience with Reflective programming, Aspect Oriented Programming and/or developing generalized code (or introspective code). 
- Experience with Database design and administration including SQL query optimization, relational database design, and database encryption (MySQL/MSSQL). 
- Professional code documentation and testing (using tools like Jasmine/Karma/Protractor/PHPUnit...etc). 
- Experience with versioning control systems (Git/SVN) including branching and tagging. 
- Parallel processing and serving content from clustered environments (optimally hosted Docker containers) 
- Familiar with C# (capability of reading and re-writing C# code to other technologies (like NodeJS)). 

Additional optional but preferred experience:
Basic Linux server administration, experience with Amazon Web Hosting Services.
Scripting/backend processing: Spring Java, Python, bash scripting.
Systematic logging: usually directed towards log indexers (Splunk, ElasticSearch or similar).

Hold Bachelor’s degree in Computer Science with 5+ years of experience preferred.
Upper intermediate Speak/write English.
Experience with collaboration tools (Microsoft Teams, Asana, Basecamp and similar.)