Jason Cole

Senior Full Stack Engineer at InfoStream

Led 5 developers and architected & built numerous web applications that increased customer satisfaction by 30%.

Senior Full Stack Engineer at Allianz

Led end-to-end development across front-end and back-end for IT support and IT solution platform; implemented scalable architectures using React, Java, Spring Boot, GraphQL, Kubernetes, AWS; improved delivery efficiency and reliability.

Senior Shopify Developer (Frontend Engineer) at Allianz

Led advanced frontend work for Shopify stores, implementing JavaScript, HTML, CSS, and Shopify Liquid-aligned templating to improve ecommerce conversion rates by 20%. Diagnosed and resolved complex production issues, reducing incident resolution time by 35% and boosting platform stability. Built reusable frontend components to accelerate feature delivery by 30% and collaborated with cross-functional teams to translate business requirements into reliable store functionality. Optimized frontend performance, reducing page load times by 25% through code splitting and efficient rendering, and provided clear documentation for solutions.

Full Stack Developer at Infostream

Built and customized ecommerce platforms using JavaScript, HTML, CSS and templating systems similar to Shopify Liquid; delivered scalable online applications. Implemented dynamic UI features, improved user experience, increasing customer engagement by 30%. Troubleshooted bugs across frontend and backend; integrated RESTful APIs for product, payment, and data management; collaborated with designers and product teams; optimized performance and reduced load times by 35%. Maintained clear technical documentation and communicated solutions to stakeholders.

Full Stack Developer at Leidos

Developed and maintained frontend interfaces using HTML, CSS and JavaScript; debugged production issues to reduce downtime and improve reliability. Implemented API integrations and improved data flow across systems. Collaborated with cross-functional teams to deliver stable and scalable applications.

Senior Frontend Engineer at Allianz

Led accessibility improvements across a large-scale React application, aligning components with WCAG standards, and improving usability for assistive technologies. Integrated automated accessibility testing (axe-core, Playwright) into CI pipelines, catching issues early and reducing production defects. Built and maintained accessible, reusable UI components with a shared design system using Storybook. Conducted accessibility audits and remediation strategies, improving compliance and user experience. Collaborated with design and product teams to embed accessibility in workflow decisions. Leveraged AI tools to assist in identifying accessibility issues, generating fixes, and scaling audit processes. Optimized frontend performance and ensured responsive, inclusive design across devices.

Senior Frontend Engineer at Leidos

Developed scalable React and TypeScript applications with a focus on usability, accessibility, and performance. Implemented accessible UI patterns using semantic HTML and ARIA attributes. Built testing strategies including unit, integration, and accessibility testing. Collaborated with cross-functional teams to deliver user-centric features. Improved UI consistency through reusable component design and design system practices. Applied AI tools to improve development speed and code quality.

Software Engineer at Leidos

Developed frontend components and improved UI usability. Assisted in testing and performance optimization. Collaborated with cross-functional teams to deliver maintainable solutions.

Frontend Engineer at Allianz

Developed scalable frontend applications using React and TypeScript for enterprise-grade systems. Built reusable, modular components ensuring maintainability and consistency across applications. Optimized performance with code splitting, lazy loading, and efficient state management. Improved accessibility and web standards compliance. Debugged complex production issues in high-availability environments. Collaborated with backend teams to design efficient APIs and data flow. Wrote comprehensive unit and integration tests to ensure high code quality. Contributed to frontend architecture decisions and technical discussions. Resolved performance bottlenecks in a critical user flow by optimizing rendering and reducing unnecessary re-renders, significantly improving user experience.