Full-Stack eCommerce Web Developer

Full-Stack eCommerce Web Developer (Miva Professional Services)

We are seeking a highly skilled Full-Stack Web Developer (WD) with deep eCommerce experience and strong solution engineering capabilities to join Miva’s Professional Services team. This role focuses on developing within the Miva platform, utilizing Miva’s server-side templating language (MVT), alongside HTML5, CSS3, and vanilla JavaScript.

The ideal candidate relies on engineering fundamentals, writing efficient server-side logic for dynamic content rendering, and enhancing the storefront experience with clean, well-structured JavaScript and CSS, without heavy reliance on external frameworks.

Beyond UI development, the WD acts as the technical liaison, bridging clients’ Miva stores with their broader business ecosystems. Responsibilities include writing custom integrations with external APIs (ranging from modern RESTful marketing platforms to legacy XML-based warehouse systems) without using third-party libraries. This role requires comfort in delivering large-scale builds, managing ongoing maintenance, troubleshooting, and participating in project discovery across multiple client accounts, all while maintaining strong time management.

This is a client-facing delivery role focused on translating business requirements and user needs into high-performing solutions that maximize platform capabilities. The WD collaborates closely with Product Managers and UX Designers, and must excel at communicating complex technical concepts clearly to non-technical stakeholders.

You will:

• Scope, estimate, and execute development tasks based on approved client requirements, signed SOWs, and predefined service offerings.
• Develop, customize, and maintain eCommerce storefronts using HTML5, CSS3, and modern JavaScript (ES6+ vanilla) within platform template and configuration layers.
• Maintain deep platform knowledge to apply optimal store configurations within the Miva admin.
• Develop and support integrations using platform and third-party APIs (including REST and SOAP-based services) to connect Miva stores with ERPs, CRMs, payment providers, shipping systems, analytics platforms, and marketing tools.
• Consume, map, and validate external data within eCommerce workflows, handling authentication, rate limits, and error conditions appropriately.
• Troubleshoot and resolve frontend, backend, and configuration issues within the eCommerce platform and connected systems.
• Optimize storefront performance focusing on Core Web Vitals, SEO, accessibility, and eCommerce conversion metrics.
• Ensure cross-browser and cross-device compatibility using a mobile-first approach.
• Configure full-funnel eCommerce analytics and GA4 tracking using GTM.
• Develop optimized purchase flows to improve usability, accessibility, speed, and conversion performance.
• Implement merchandising solutions for cross-selling, dynamic product listings, and personalization.
• Configure rule-based promotions and discounts.
• Apply eCommerce-specific SEO best practices, including schema markup, product metadata optimization, faceted navigation handling, and crawlability.
• Write clean, maintainable, and well-documented code following established standards.
• Participate in code reviews, QA validation, and client acceptance testing aligned to defined acceptance criteria.
• Follow established deployment procedures, coordination processes, and release schedules across multiple client environments.
• Collaborate closely with UX Designers and Project Managers to execute pixel-accurate designs and meet delivery milestones.
• Track time accurately, provide regular status updates, and communicate blockers or scope risks proactively.
• Perform other duties as assigned.

You have:

• 5+ years of professional web development experience, including at least 1 year focused on eCommerce platforms.
• Strong proficiency in HTML5, CSS3 (including preprocessors like Sass/LESS), and vanilla JavaScript (ES6+).
• Firm grasp of the Document Object Model (DOM) and manipulation without reliance on libraries.
• Working experience with PHP in a web development context.
• Ability to write cross-browser compatible CSS without using CSS-in-JS libraries.
• Hands-on experience developing and supporting API integrations using REST and SOAP.
• Experience working with SQL-based databases such as MySQL or PostgreSQL.
• Proficiency with version control systems and Git based workflows.
• Understanding of eCommerce focused performance optimization and SEO best practices.
• Familiarity with WCAG accessibility standards and inclusive design principles.
• Experience testing across browsers and devices.
• Ability to work within defined scope, timelines, and platform constraints in a client-facing delivery environment.
• Strong communication skills and ability to collaborate effectively in a remote, asynchronous team.

Bonus points if you have:

• Experience implementing eCommerce storefronts on platforms such as Miva, Shopify, BigCommerce, or Magento.
• Experience integrating with external systems such as NetSuite, Salesforce, Microsoft Dynamics, or similar ERPs and CRMs.
• Experience with build tools such as Webpack or similar tooling.
• Advanced knowledge of Modern PHP and Laravel, focusing on MVC design patterns, RESTful API development, and scalable backend architecture.
• Experience using containerization or local development tooling such as Docker.
• Prior experience working in an agency or Professional Services delivery environment.
• Experience using AI-assisted development tools to improve delivery efficiency and code quality.
• Familiarity with Agile or structured project delivery methodologies.

Our Awesome Perks!

• Remote company - work from anywhere
• Unlimited PTO
• Maternity/Paternity leave
• Medical/Dental/Vision/FSA/Life benefits
• 401k with company match; vested immediately
• Flexible work schedule
• Inspiring & collaborative peer environment

The salary range for this position is $90,000 - $115,000 annually. This information is current as of the initial date of this job posting and may be modified in the future. The actual pay determined for an individual will vary based on job-related factors such as relevant experience and/or education, particular skills, and location.

Miva is a fully remote company with employees distributed across the U.S. Our ideal candidate for this role will reside in one of the following states: AZ, CA, CO, FL, GA, ID, IL, KS, MA, MI, MO, NC, NH, NJ, NV, NY, OH, OR, PA, SD, TN, TX, UT, VT, or WA.

Miva is a leading eCommerce software dedicated to empowering enterprise merchants and agencies with a state-of-the-art online storefront. Miva software has powered over $100 billion in online sales for retailers worldwide.

Miva has been named a Best and Brightest Company in 2018, 2019, 2020, 2021, 2022, 2023 and 2024.

Miva, Inc. is an Equal Opportunity Employer. Read Miva's Applicant Privacy Notice Here.