Senior Solutions Architect (Shopify Expert) - Contractor

Avex E-commerce; United States; Remote; USD 171,000 - 190,000; Part time

Job summary

An innovative eCommerce agency in the United States is seeking a Senior Solutions Architect specializing in Shopify. In this contractor role, you will design scalable eCommerce solutions, engage directly with clients, and collaborate with internal teams. The ideal candidate has a proven track record of working on Shopify, deep knowledge of front-end and back-end integration, and strong project management skills. This role offers a competitive salary range of $171,000 to $190,000, aligning with your expertise in delivering exceptional customer experiences.

Qualifications

• Minimum 3 years experience working on Shopify.
• Understanding of front-end and back-end technologies.
• Experience in leading large-scale replatforming initiatives.

Responsibilities

• Design scalable, high-performance eCommerce solutions.
• Engage with clients pre-sales and execute technical leadership post-sales.
• Lead technology evaluations and third-party integration planning.

Skills

E-commerce platforms expertise

HTML

CSS

JavaScript frameworks

Shopify Liquid templating

API integrations

Project management

Agile methodologies

Job description

Senior Solutions Architect (Shopify Expert) - Contractor

Location: Boston, MA

Salary: $171,000.00 - $190,000.00

Employment type: Contract

Seniority level: Mid-Senior level

About Avex

Avex is a rapidly growing eCommerce agency that partners with merchants in the fashion, lifestyle and premium products space. From high-growth DTC brands to enterprise, we have partnered with companies such as: Khaite, Quip, KITH, Stoney Clover Lane, Love Shack Fancy, LVMH, Arizona Beverages, TAG Heuer, Hugo Boss, Enjoy Life, Mondelez, O'Neill, Serta Simmons Bedding and many others. We design, build and optimize eCommerce experiences on Shopify Plus for global brands.

Our Values

We build our clients' businesses, inspire our employees to grow, challenge the norm, and deliver on our commitments.

We design and build digital commerce experiences that connect brands to people through creative, technology and culture. We believe that our work should not only produce amazing results for our clients but should also be fun and rewarding for our team. Avex believes in a strong work‑life balance, not just churning out projects. The happier our team is, the more enjoyable the experience is, and the better the results will be for our clients.

We ensure that our team members and partners possess these traits. We feel that it is important to prioritize these core values over everything else. This allows us to deliver results for our clients, as well as a safe and fun work environment.

• Teamwork
• Passion
• Respect
• Talent
• Accountability
• Resourcefulness
• Radical Transparency
• Visionary

Role & Responsibilities

The Senior Solutions Architect is a strategic technical leader responsible for designing scalable, high-performance eCommerce solutions that align with Avex's business goals and deliver exceptional customer experiences. They ensure all technical architectures are modern, future‑proof, and uphold Avex's reputation as a premier provider of Shopify-based eCommerce services.

This role spans both pre‑sales and post‑sales phases, partnering closely with internal teams, prospects, and clients. In the pre‑sales stage, they provide technical expertise, assess feasibility, and craft demos and proposals to support deal closure. Once projects are underway, they transition into a technical leadership role during execution, guiding architecture decisions, collaborating with development teams, and ensuring solutions are implemented to spec.

Beyond individual projects, the Senior Solutions Architect champions innovation, process improvement, and cross‑functional collaboration. They serve as the critical link between business objectives and technical delivery ensuring every solution is not only technically sound but also built for long‑term client success and scalability.

Key Responsibilities

• Client Engagement & Cross‑functional Collaboration
  • Engage with prospects and clients pre‑sales and post‑onboarding, addressing technical inquiries and recommending improvements to architecture and integrations.
  • Work closely with project managers and client services to ensure client satisfaction, technical feasibility, and timely delivery.
• Site Architecture & 3rd Party Integration Planning
  • Lead the evaluation and selection of technology stacks, frameworks, and tools to support eCommerce initiatives, considering factors such as scalability, performance, and cost‑effectiveness.
  • Conduct thorough research to identify third‑party solutions and technologies that align with project requirements and client objectives.
  • Develop technical specifications, architecture diagrams, and documentation to communicate design decisions and guide implementation efforts.
• Platform Migration Planning & Management
  • Develop comprehensive plans for migrating e‑commerce platforms, ensuring seamless transition and minimal disruption to operations.
  • Product Data Migration: Strategize and execute the transfer of product, customer, order, giftcard, discount and content data, ensuring accuracy and consistency.
• Development Liaison
  • Serve as the primary point of contact between the project team and the development team during the implementation phase.
  • Draft formal handoff documentation outlining the technical solutions, specifications, and requirements for the development team.
  • Collaborate with developers to ensure a clear understanding of project objectives, scope, and deliverables.
• Deep Shopify Platform Knowledge
  • Understand Shopify best practices & stay up to date with Shopify new releases, related trends and tactics.

Requirements

• Proven expertise in e‑commerce platforms, with a minimum 3 years experience working on Shopify, including understanding Liquid templating, customizations, and API integrations.
• Understanding of front‑end and back‑end technologies such as HTML, CSS, JavaScript frameworks.
• Demonstrated experience in leading large‑scale replatforming initiatives, particularly from enterprise platforms like Magento and Salesforce to Shopify.
• Strong understanding of data structure, mapping, and API integration challenges during platform migrations, with a focus on minimizing data loss and maintaining workflow integrity.
• Familiarity with project management principles and Agile methodologies, with experience in resource allocation, budgeting, and timeline management.
• Excellent communication skills to interact with clients, team members, and stakeholders.
• Ability to think strategically, aligning technical goals with business objectives and growth opportunities.
• You hold yourself and others accountable.
• You're competitive and love winning as a team.
• You have high standards and expect the same from your team.
• You understand we're a growing company and everyone wears multiple hats.
• You can work autonomously without being micromanaged.