• 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 and proficiency 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 while 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 with a focus 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 to enable 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 and best practices • 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, Project Managers, and other delivery roles to execute pixel-accurate designs and meet delivery milestones • Track time accurately against approved client work, provide regular status updates, and communicate blockers or scope risks proactively • Perform other duties as assigned

• Design, build, and maintain core user-facing features in Circuit’s web application. • Translate product requirements and design direction into polished, responsive, and accessible UI. • Contribute to frontend architecture, patterns, and technical decisions in collaboration with engineering peers. • Own features end-to-end, from implementation through testing, QA, and production release. • Write and maintain unit, integration, and end-to-end tests to ensure long-term reliability. • Participate actively in technical discussions, design reviews, and planning sessions. • Provide thoughtful code reviews and mentorship to support team-wide quality and growth. • Collaborate closely with Product and Design to clarify requirements, surface tradeoffs, and improve UX. • Identify and drive incremental improvements to performance, accessibility, developer experience, and frontend tooling. • Manage individual priorities and deadlines while maintaining a high standard of execution.

• Provide technical leadership in developing new features and products, focusing on impact and scalability • Work on full-stack development, participating in the entire product lifecycle • Design solutions that are ready for experimentation, metrics collection, and continuous learning • Support Growth initiatives with technical improvements, product adjustments, and ongoing optimizations • Collaborate with UX/UI to ensure a consistent and scalable user experience • Contribute to maintenance, evolution, and refactoring of existing systems • Define and evolve architecture, patterns, and best practices • Evaluate and support the adoption of new technologies, frameworks, and tools • Ensure alignment between business rules, product goals, and technical implementation.

• Develop end-to-end web and mobile applications using Mendix Studio Pro. • Design and implement complex integrations with APIs, legacy systems, and emerging technologies. • Define solution architecture and ensure the application of best practices in Mendix projects. • Perform data modeling and develop business logic, including creating and optimizing entities, rules, and processes. • Explore artificial intelligence and automation to build innovative, intelligent solutions. • Experience in full Mendix projects. • Proficiency in Mendix Studio Pro, including UX, microflows/nanoflows, integrations, and Java Actions. • Solid foundation in software development with high-code languages such as Java, C#, JavaScript, Python, or SQL. • Experience with agile methodologies.