Senior Software Developer

Barcodes LLC - Chicago, IL3.3

Full-timeEstimated: $96,000 - $120,000 a year
Senior Software Developer is responsible for managing back-end services and the interchange of data between the services and applications. The primary focus is the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.


Integration of user-facing elements developed by front-end developers
Build efficient, testable, and reusable PHP & C# modules and interfaces
Ensure that project adhere to agile software development methodology, including test driven approach
Design, develop, and testing of web-based application
Develop database schema changes to support new features

Skills and Qualifications

Working knowledge of PHP/C# frameworks, Laravel experience is a must.
Familiarity with limitations of PHP/C# as a platform and its workarounds
Experience in more than 3 programming languages
Understanding the fully synchronous behavior of PHP/C#
Knowledge of object-oriented PHP/C# programming
Understanding of MVC design patterns
Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
Understanding fundamental design principles behind a scalable application
User authentication and authorization between multiple systems, servers, and environments
Integration of multiple data sources and databases into one system
Creating database schemas that represent and support business processes
Familiarity with SQL databases and heir declarative query languages
Familiarity of indexing technologies like ElasticSearch and/or SOLR.
Basic experience in ETL or data integration tools. (like Pentaho)
Proficient understanding of code versioning tools, such as Git
Proficient understanding of performance optimization tools such as New Relic
Proven track record of MYSQL, Postgres, UI development
Hands-on experience in developing REST API


You must be eligible to work in the US. No sponsorship.
Office location in Chicago Loop near Union Station, work can be partial work from home.