Role Description We're looking for a Senior Design Engineer with extensive Webflow expertise to help bring Prove's digital presence to life through bold web experiences, systems thinking, and AI-powered execution at a pivotal moment of growth. This role is both strategic and hands-on, helping shape how our web and digital expression ladder up to the long-term brand vision while leading execution across campaign pages, microsites, design systems, and scalable digital infrastructure. As a design engineer on the Creative team, you will help define, implement, and evolve how Prove shows up digitally across the full marketing journey. You have experience translating brand strategy and creative direction into high-fidelity web experiences across a range of touchpoints, including: - Landing pages - Campaign microsites - Event pages - CMS-driven content With a builder's mentality and deep expertise in Webflow and front-end development, you will help our team move faster, build smarter, and extend the Prove brand. Your center of excellence should be digital design/development, with experience in: - Webflow development - Design systems - Responsive and accessible web standards - Front-end code - AI-enabled production workflows You thrive in a fast-paced environment, love building things from concept to launch, work well in ambiguity, value craft and systems thinking, and embrace experimentation and a growth mindset. Qualifications - 5+ years of experience as a digital designer or developer - A strong portfolio that demonstrates both visual design excellence and technical build capability - Deep hands-on experience with Webflow CMS, interactions, and page building - Experience analyzing web data and driving optimizations and experimentation - Proficiency in Figma and experience building and maintaining design systems - Solid command of HTML, CSS, and JavaScript, enough to go beyond what Webflow can do natively - Interest in using emerging technologies to prototype, experiment and push boundaries of our brand and ways of working - Understanding of web standards: responsive design, accessibility, and performance optimization - Self-starter mindset with a bias for action, experimentation, and iteration Requirements - Design and develop high-fidelity pages, microsites, and landing pages in Webflow with a strong point of view on UX and visual quality - Manage and evolve a scalable Webflow design system and CMS that enables the broader team to self-serve without breaking brand standards - Collaborate with the Brand & Design team on creative concepts, wireframes, and interaction design - Support campaign launches by building agile digital assets including event pages, campaign landing pages, personalized experiences - Familiarity with Webflow animations and frontend collaboration on web motion - Implement CMS structures, custom interactions, animations, and dynamic content in Webflow - Write and maintain clean HTML, CSS, and JavaScript for custom embeds and enhanced functionality - Apply best practices in responsive design, accessibility (WCAG), and web performance - Troubleshoot Webflow issues and liaise with engineering when deeper support is needed - Build reusable templates and modular components that allow marketers and designers to move quickly without creating technical debt - Actively integrate AI-assisted development tools (such as Cursor, GitHub Copilot, or similar) into your daily workflow to accelerate builds and reduce time on repetitive tasks - Use generative AI tools to rapidly prototype layouts, explore design directions, and produce first-draft assets for team review - Identify and implement AI-powered automation opportunities within our Webflow environment, from dynamic content to personalization to workflow automation - Help establish and document AI-assisted design and development workflows that can be adopted across the creative team - Stay on the leading edge of how AI is reshaping web design and front-end development, and bring those insights back to the team Benefits - Competitive salaries & Bonus Plan (for eligible roles) and Equity Plan - Modern Health for financial, mental, and physical wellness - 401(k) Retirement Plan & Match (US Offices) and Local Country Pension (International Offices) - Unlimited Vacation and Flexible hours - Comprehensive medical benefits for you and your family ❤️ - Emotional & Physical Wellness – Access to wellness services (EAP & Prove Well-Being Reimbursement) - Bottomless snacks & beverages for certain office locations - Daily GrubHub stipend for lunch if coming into the office (US Offices) - A great place to work and connect with other talented Provers like yourself!

Role Description As Marqeta’s Principal Software Engineer on the Core Issuing & Processing team, you will work across the entire domain to stand up and drive high-impact projects for our customers from inception to completion. You will take on highly technical initiatives that optimize our issuing and processing engines, own the technical roadmap for the core platform, and partner with engineering leaders to drive engineering and operational excellence throughout the organization. The Core Issuing and Processing team owns the foundational stack that powers Marqeta's core business. We develop and maintain the systems that span six critical domains: - Onboarding - Issuing - Digital Wallets - Authorization & Clearing - Transaction Controls - Ledger Together, these systems form the backbone of Marqeta's card issuing and payment processing platform. Qualifications - 12+ years of hands-on software engineering experience. - Demonstrated passion for software engineering excellence, including design principles, fault tolerance practices, scalability, cost, security & privacy considerations, and test-driven development. - Experience partnering with product teams to ideate and bring innovative solutions to market. - Experience developing and scaling microservices using modern cloud technologies, preferably AWS. - Experience working with high volume / low latency data infrastructures. - Solid understanding of security engineering best practices and demonstrable experience in designing solutions that adhere to those standards. - Passion for non-functional challenges, namely: Scale, Cost, Reliability, Performance, High Availability. - Experience building systems running in multiple regions. - Team-oriented approach – can effectively lead a project, participate as an influential team member, and work cross-functionally with other organizations. - Experience with our tech stack, namely Java, Springboot, Kubernetes, Terraform, Helm, Kafka, JPOS, and AWS services. Requirements - Own the technical roadmap and author system designs that enable scalable, secure, and operationally efficient card issuing and payment processing products for our customers. - Spend significant time in the codebase – writing, reviewing, and optimizing code across the issuing and processing stack. - Identify and drive high-impact technical initiatives that improve the performance, reliability, and cost-efficiency of our core processing engines. - Collaborate with Product Managers to analyze requirements and provide technical recommendations across onboarding, issuing, digital wallets, authorization & clearing, transaction controls, and ledger. - Mentor and guide technical leads, influence stakeholders, and establish success metrics to drive organization-wide technical excellence. - Apply and evangelize modern best practices in your software designs and implementations to increase the platform's resiliency and scalability. Benefits - Multiple health insurance options - Flexible time off – take what you need - Retirement savings program with company contribution and after tax contributions - Equity in a publicly-traded company and an Employee Stock Purchase Program - Family-forming benefits, fertility support, and up to 20 weeks of Parental Leave - Free therapy sessions, financial and professional coaching, and legal advice - Monthly stipend to support our remote work model - Annual “development dollars” to support our people growth and development - Through Flex First, the freedom to live and work wherever you and your family thrive

• Design, develop and evolve APIs and integrations using the MuleSoft Anypoint Platform. • Implement integration flows between Salesforce and corporate systems, ensuring scalability, security and high availability. • Develop connectors and components for integration with legacy systems, ERPs, customer service platforms and other business applications. • Work on API governance and lifecycle management using features of the Anypoint Platform. • Ensure data consistency and synchronization between Salesforce and corporate systems. • Implement observability strategies, error handling, resilience and monitoring for integrations. • Participate in architectural decisions, supporting technical choices and promoting integration best practices and reuse of assets.

• Design and develop mobile applications (SuperApp) using AI agents, ensuring senior-level execution of the deliverables under your responsibility. • Modernize Android, iOS, and Java backend platforms, preserving current functionality while reorganizing customer journeys.