Lead Full-Stack Engineer – B2B eCommerce

Composites One • Schaumburg, IL

6d • $150,000 - $178,000 • Hybrid

About The Position

The
Lead Full-Stack Engineer – B2B eCommerce is responsible for owning the
architecture, development, enhancement, and support of the Composites One B2B
Ecommerce applications and integrated systems. This role provides technical
direction by collaborating with business analysts and stakeholders to translate
requirements into technical solutions, deliver full-stack development projects,
and ensure high-performance applications. The ideal candidate brings deep
technical expertise in web development, strong B2B Ecommerce experience, and a
proactive, solutions-oriented mindset with a track record of leading complex
systems.

Requirements

• 10+ years of web development experience.
• 8+ years hands-on development in JavaScript.
• 5+ years experience in B2B Ecommerce environments.
• 5+ years experience with BigCommerce or similar platforms.
• 2+ years experience as a lead developer overseeing others.
• 3+ years experience working with offshore development teams.
• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
• Extensive experience in web application development, with a strong focus on full-stack engineering.
• Deep hands-on experience in JavaScript and modern frameworks (ReactJS/NextJS, Node.js/ExpressJS).
• Proven experience delivering solutions in B2B Ecommerce environments.
• Proficient with modern SQL and NoSQL databases.
• Deep understanding of Agile, Scrum, and tools like GitHub, Jira, and Confluence.
• Strong communication, problem-solving, and analytical abilities.
• Proficient in Microsoft Office Suite and experienced in Windows environments.

Nice To Haves

• Experience integrating third-party APIs in Ecommerce applications.
• Familiarity with performance tuning, scalability, and error handling in web-based applications.
• Exposure to Digital Marketing and customer experience platforms is a plus.

Responsibilities

• Translate functional designs and business goals into scalable technical solutions.
• Drive architectural decisions for complex multi-system integrations. Ensure alignment with architectural standards and usability best practices.
• Develop front-end features using HTML, CSS, TypeScript, NextJS/ReactJS.
• Implement backend logic and APIs using ExpressJS, Node.js, and similar tools.
• Design and maintain SQL/NoSQL databases.
• Integrate third-party APIs and services.
• Ensure application performance, responsiveness, and security.
• Write clean, maintainable, and well-documented code.
• Act as a hands-on technical leader, contributing across the full stack while guiding other developers.
• Lead end-to-end delivery of development projects in Agile/Scrum environments.
• Collaborate with Product Owners, Scrum Masters, and stakeholders to manage backlogs, estimate work, and deliver on timelines.
• Conduct QA, testing, and documentation to support software lifecycle needs.
• Drive process improvements for development efficiency.
• Partner with business stakeholders to influence the technical roadmap and delivery priorities.
• Partner with business teams for deployment, training, and change management.
• Monitor solution performance and suggest enhancements.
• Mentor junior developers and conduct code reviews.
• Stay informed on emerging technologies and contribute to the digital roadmap.
• Mentor a team of developers, including collaboration with offshore resources, ensuring high-quality delivery and team growth.

Benefits

• Employees may be eligible for discretionary bonuses and a comprehensive benefits package.
• Team Members are eligible for annual bonuses and profit sharing
• Explore our comprehensive health, retirement, wellness, and professional growth programs in detail here [http://www.compositesone.com/benefit-details].

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level