Sales Engineer - eCommerce & BigCommerce Specialist

Sales Engineer - eCommerce & Big Commerce Specialist

PLEASE, CAREFULLY READ JOB REQUIREMENTS BEFORE APPLYING. THIS IS A FULL TIME JOB. NO OUTSOURCING - DIRECT HIRES ONLY.

Location: North America, Lat Am (Argentina & Uruguay), Ukraine or Poland.

If you're based in the USA, YOU MUST BE A RESIDENT OF CA, CO, CT, , IL, MA, MI, MN, NH, PA, TN, UT, WA, WI TO APPLY

Mira Commerce is expanding and looking for an accomplished Sales Engineer to join our team. In this role, you will serve as a key technical advisor and solution architect supporting our sales and delivery initiatives. You will collaborate closely with Sales Executives, Engagement Managers, and Engineering Leads to design, position, and present cutting-edge eCommerce solutions with a primary focus on Big Commerce, headless, and composable commerce MACH architectures.

The ideal candidate combines strong technical acumen with business insight, enabling them to translate complex requirements into scalable digital commerce solutions. You will also contribute to our internal knowledge-sharing, training, and mentorship programs, helping elevate Mira’s technical excellence across the organization.

• Lead technical discovery sessions to analyze client requirements and translate business objectives into scalable, high-performance eCommerce architectures leveraging Big Commerce and related composable technologies.
• Collaborate cross-functionally with Sales Executives, Engagement Managers, and Engineering Leads to design solution architectures, develop proposals, respond to RFIs/RFPs, and provide accurate work estimates and implementation plans.
• Demonstrate platform capabilities by showcasing Big Commerce features, APIs, integrations, and real-world headless composable commerce scenarios that align with client goals.
• Deliver compelling technical presentations and product demonstrations, effectively communicating solution value, architectural vision, and competitive differentiation to business and technical stakeholders.
• Maintain deep expertise in Big Commerce, staying up to date on platform releases, partner ecosystem developments, and industry best practices.
• Support delivery teams by reviewing solution designs, ensuring technical integrity, and maintaining alignment with established architecture standards and frameworks.
• Develop reusable assets such as proof-of-concepts, implementation accelerators, and reference templates to streamline and standardize Big Commerce and headless commerce solution delivery.

• Collaborate with Engineering Managers and Technical Leads to define and enforce best practices for Big Commerce development, automated testing, CI/CD pipelines, and system integration workflows.
• Design and deliver technical training programs including workshops, tech talks, and structured onboarding tracks to strengthen internal engineering capabilities.
• Mentor junior and mid-level developers, providing guidance on code quality, platform architecture, and scalable solution design.
• Assess team skill gaps and recommend targeted training and development initiatives to continually elevate the organization’s technical proficiency.

• Proven experience in IT or digital commerce roles, with a minimum of 3 years delivering eCommerce platform implementations from discovery through launch.
• Deep hands-on expertise with Big Commerce (strongly preferred), or comparable SaaS commerce platforms such as Commerce Tools or Shopify Plus.
• Practical knowledge of headless and composable commerce architectures, including API integrations across ERP, CMS, PIM, and OMS systems, as well as experience with modern frontend frameworks (Next.js, React).
• Exceptional communication skills, with the ability to explain complex technical concepts clearly and persuasively to both technical and business stakeholders.
• Experience producing technical documentation, including solution architectures, level-of-effort estimates (LOEs), and detailed technical proposals.
• Proven mentoring and leadership abilities, with a track record of coaching and developing engineering or technical teams.
• Familiarity with MACH principles (Microservices, API-first, Cloud-native, Headless) and modern composable commerce ecosystems.
• Working knowledge of cloud environments such as AWS or Google Cloud Platform, and experience with CI/CD pipelines and Dev Ops workflows.
• Agency or systems integrator background supporting B2B and B2C enterprise clients is strongly preferred.

• Entry level

• Full-time

• Sales and Business Development

• IT Services and IT Consulting

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