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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer/Software Engineer for ECommerce (Closed) - **Company:** CESNA, INC. - **Location:** Port Washington, NY, United States - **Experience:** Starter - **Contract:** Internship / Graduate position - **Skills:** JavaScript (Programming Language), PHP (Programming Language), Application Programming Interfaces (APIs), Ahrefs Site Explorer, HTML5, Browser Compatibility, Cascading Style Sheets (CSS), Cloud Computing, Computer Programming, Google Webmaster Tools, Design of User Interfaces, Mobile Application Software, JQuery, MySQL, Object-Oriented Software Development, Moz, SQL Databases, Web Performance Optimization, Magento, Information Technology, Semrush - **Published:** June 15, 2026 - **Apply:** http://seanellen.com/SearchJobs/Descriptions?p0=2921 ## About the Role · B.S or M.S. in Computer Science. · Experience with object-oriented design · Experienced working with MySQL & SQL databases · Experienced working with ecommerce platforms · Experience in cross browser testing · Excellent communication skills with the ability to work with cross functional teams · Adept at learning new technology, systems and functionality · The ability and drive to research and solve problems · For Junior Software Engineer ----1~3 years of professional non-internship experience with front end, web or mobile software development using CSS, HTML/HTML5, PHP, jQuery, JavaScript ----1~3 years of hands-on experience working with and building highly responsive and highly scalable web applications and front ends. · For Software Engineer ----4~6 years of professional non-internship experience with front end, web or mobile software development using CSS, HTML/HTML5, PHP, jQuery, JavaScript ----4~6 years of hands-on experience working with and building highly responsive and highly scalable web applications and front ends. Preferred Qualifications · At least 2 years' experience of working with Magento, customizing and enhancing web stores, creating module, ideally in a Magento Cloud environment · Experience working with internal and third-party Open APIs Knowledge · Working knowledge of search engine optimization practices performing keyword research, On-page optimization and link building · Working knowledge of SEO tools (SEMRush, Moz, Google Search Console, etc.) ? and the ability to execute the findings of those tools · Language: Korean / English ## Description The Junior Software engineer/Software engineer for eCommerce are responsible for the coding, design and layout of a website according to a company's specifications. As the role takes into consideration user experience and function, a certain level of both user interface design and computer programming is necessary. Once a website has been created, the Junior Software engineer/Software engineer will generally assist with the maintenance and upkeep of the website. Responsibilities · Maintain and implement changes and fixes to our ecommerce/marketing web sites. · Revamp the websites · Integration with websites and ERP System · Monitor the day to day performance of the e-commerce platform, and associated integrations, to ensure that speed and uptime are maintained at optimal levels at all times · Working with our ecommerce team monitor and optimize organic search traffic through ongoing site and technical audits & keyword research · Identify growth opportunities in site infrastructure, on-page optimization and site speed ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Modern Headless Commerce with Vendure](https://www.wearedevelopers.com/videos/489-modern-headless-commerce-with-vendure) - [Can SVG be fast? 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