Senior Software Engineer, Ecommerce Web Applications

CSC Generation

Senior Software Engineer developing and maintaining ecommerce web applications with PHP and JavaScript. Focus on technical leadership, AI-assisted workflows, and team collaboration in a remote setup.

Posted 7/30/2026full-timeRemote • 🇨🇷 Costa RicaSenior💰 $64,000 - $80,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in PHP web application development, particularly with Symfony and Laravel, while leading front-end initiatives using JavaScript and CSS. Proficient in database design and optimization, with a strong focus on AI-assisted development workflows and mentoring team members.

Highest-signal resume keywords

PHP DevelopmentSymfony FrameworkLaravel FrameworkJavaScript Front-End DevelopmentSQL Database Optimization

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

PHPSymfonyLaravelJavaScriptCSSSQLDatabase DesignAI Coding ToolsUnit TestingCI/CD

Soft Skills

CommunicationCollaborationMentorshipTechnical Direction

Tools & Technologies

GitCI/CD ToolsAI Development Tools

Certifications & Qualifications

Bachelor's Degree in Computer ScienceMaster's Degree in Computer Science

Industry Keywords

EcommerceHigh-Traffic Web ApplicationsProduction SystemsTechnical DebtUser-Focused Features

Tech Stack

Tools & technologies

JavaScriptjQueryLaravelPHPPostgresSQLSymfony

About the role

Key responsibilities & impact

Drive architecture, hands-on development, testing, deployment, documentation, and production support across PHP web applications (a Symfony-based customer storefront and a Laravel back-office platform).
Lead front-end direction with JavaScript (including jQuery) and CSS to deliver responsive, accessible, high-performing customer experiences.
Champion and evolve the team's AI-assisted development workflows: use AI tools daily, share techniques, and raise the bar for how effectively and responsibly the team uses them.
Own the data layer: design and optimize queries and schema interactions against relational databases (SQL Server and PostgreSQL) and supporting services.
Set and uphold engineering standards through code review, mentorship, testing practices, and clear technical documentation (design docs, runbooks, onboarding material).
Improve reliability, observability, alerting, and incident response for mission-critical, customer-facing systems.
Identify opportunities to simplify legacy components, reduce technical debt, and deliver long-term efficiency gains.
Break large initiatives into deliverable chunks and clearly communicate status, roadblocks, and dependencies to engineering and product leadership.
Partner with Product, QA, and Engineering leadership to ship scalable, user-focused features that elevate business value.

Requirements

What you’ll need

Bachelor's or Master's degree in Computer Science or a related field, or equivalent professional experience.
5+ years of professional software development experience with a strong ecommerce or high-traffic web application background.
Deep, hands-on expertise with PHP, including production experience with Symfony and/or Laravel.
Strong front-end skills with JavaScript and CSS, and a solid grasp of web fundamentals (HTTP, browser behavior, performance, accessibility).
Strong understanding of relational databases and SQL, including query optimization and schema design.
Proven experience designing, building, and maintaining production systems with real end-to-end ownership.
Hands-on experience leveraging AI coding tools for development, and the ability to mentor others on using them effectively. This is an AI-development-driven team.
Experience with testing practices (unit/integration), Git workflows, and CI/CD.
Excellent communication and collaboration skills, and a track record of mentoring engineers and influencing technical direction.

Benefits

Comp & perks

Competitive benefits
Primarily remote work
Private medical and life insurance
Additional paid time off
Monthly allowances and reimbursements
Employee discounts
Opportunities for professional growth