Sales Engineer - eCommerce & BigCommerce Specialist

PLEASE, CAREFULLY READ JOB REQUIREMENTS BEFORE APPLYING. THIS IS A FULL TIME JOB. NO OUTSOURCING - DIRECT HIRE ONLY. YOU MUST BE A RESIDENT OF CA, CO, CT, ID, 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 BigCommerce, 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. Job Responsibilities Technical Pre-Sales & Solution Design Lead technical discovery sessions to analyze client requirements and translate business objectives into scalable, high-performance eCommerce architectures leveraging BigCommerce 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 BigCommerce 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 BigCommerce, 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 BigCommerce and headless commerce solution delivery. Collaborate with Engineering Managers and Technical Leads to define and enforce best practices for BigCommerce 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. Job Requirements 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 BigCommerce (strongly preferred), or comparable SaaS commerce platforms such as CommerceTools 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 DevOps workflows. Agency or systems integrator background supporting B2B and B2C enterprise clients is strongly preferred. #J-18808-Ljbffr