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Hi, I'm Kristian Wolf, a Senior JavaScript Developer with over 11 years of experience creating scalable and high-performance web and mobile apps. I've worked across various industries and technologies, from front-end frameworks like React and Vue.js to backend services with Node.js and cloud platforms like AWS and Azure. I enjoy leading projects, collaborating in Agile teams, and constantly refining my skills to deliver top-notch solutions. I’m passionate about building efficient, accessible, and user-friendly applications with modern tools and best practices, including micro-frontend architectures and CI/CD pipelines. Whether developing robust APIs or crafting beautiful UI/UX, I aim to bridge the gap between design and functionality seamlessly.…Hi, I'm Kristian Wolf, a Senior JavaScript Developer with over 11 years of experience creating scalable and high-performance web and mobile apps. I've worked across various industries and technologies, from front-end frameworks like React and Vue.js to backend services with Node.js and cloud platforms like AWS and Azure. I enjoy leading projects, collaborating in Agile teams, and constantly refining my skills to deliver top-notch solutions. I’m passionate about building efficient, accessible, and user-friendly applications with modern tools and best practices, including micro-frontend architectures and CI/CD pipelines. Whether developing robust APIs or crafting beautiful UI/UX, I aim to bridge the gap between design and functionality seamlessly.

Kristian Wolf

Full Stack Developer, Front-End Developer, Back-End Developer, +3

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Hi, I'm Kristian Wolf, a Senior JavaScript Developer with over 11 years of experience creating scalable and high-performance web and mobile apps. I've worked across various industries and technologies, from front-end frameworks like React and Vue.js to backend services with Node.js and cloud platforms like AWS and Azure. I enjoy leading projects, collaborating in Agile teams, and constantly refining my skills to deliver top-notch solutions. I’m passionate about building efficient, accessible, and user-friendly applications with modern tools and best practices, including micro-frontend architectures and CI/CD pipelines. Whether developing robust APIs or crafting beautiful UI/UX, I aim to bridge the gap between design and functionality seamlessly.…Hi, I'm Kristian Wolf, a Senior JavaScript Developer with over 11 years of experience creating scalable and high-performance web and mobile apps. I've worked across various industries and technologies, from front-end frameworks like React and Vue.js to backend services with Node.js and cloud platforms like AWS and Azure. I enjoy leading projects, collaborating in Agile teams, and constantly refining my skills to deliver top-notch solutions. I’m passionate about building efficient, accessible, and user-friendly applications with modern tools and best practices, including micro-frontend architectures and CI/CD pipelines. Whether developing robust APIs or crafting beautiful UI/UX, I aim to bridge the gap between design and functionality seamlessly.

Available to hire

Hi, I’m Kristian Wolf, a Senior JavaScript Developer with over 11 years of experience creating scalable and high-performance web and mobile apps. I’ve worked across various industries and technologies, from front-end frameworks like React and Vue.js to backend services with Node.js and cloud platforms like AWS and Azure. I enjoy leading projects, collaborating in Agile teams, and constantly refining my skills to deliver top-notch solutions.

I’m passionate about building efficient, accessible, and user-friendly applications with modern tools and best practices, including micro-frontend architectures and CI/CD pipelines. Whether developing robust APIs or crafting beautiful UI/UX, I aim to bridge the gap between design and functionality seamlessly.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Polish

Fluent

Japanese

Intermediate

Work Experience

Senior Full Stack Developer(JavaScript) at Moonbite Sp. z o.o.

December 1, 2024 - June 5, 2024

Led the front-end architecture for a large-scale multi-vendor e-commerce platform using micro-frontends to decouple domains such as storefront, cart, admin panel, and vendor dashboards. Designed React-based shell application handling global layout, session, and routing across remote micro-apps. Developed standalone micro-apps with React and Vue.js communicating via an event bus and shared state. Integrated Apache Kafka for real-time updates and event-driven communication between frontend and backend services. Utilized Webpack Module Federation for seamless micro frontend integration. Created shared component library in TypeScript and Tailwind CSS published internally. Managed RESTful API communication with secure token-based access. Set up modular automated CI/CD pipelines with GitHub Actions deploying independently to Vercel, Netlify, and Firebase. Implemented comprehensive test coverage using Jest, Vitest, and Cypress. Collaborated with backend teams on Kafka topics and schema contra

Senior Full Stack JavaScript Developer at DIGITALKOD

August 1, 2019 - October 31, 2024

Led end-to-end development of responsive and accessible web applications using React, Next.js, Vue.js, Angular, and TypeScript adhering to WCAG 2.1 standards. Engineered scalable backend services with Node.js, Express, and NestJS with modular architecture. Designed and optimized data models for PostgreSQL, MySQL, MongoDB, Redis, Firebase, and DynamoDB. Built secure authentication systems using OAuth2, JWT, and role-based access control. Deployed applications to AWS and Azure cloud platforms using Docker and Kubernetes. Delivered interactive UIs and dashboards employing Three.js, WebGL, and Ant Design. Automated CI/CD workflows with GitHub Actions, Jenkins, and GitLab CI implementing monorepo strategies and Infrastructure as Code. Built mobile-first cross-platform apps with React Native and Flutter. Integrated third-party APIs such as Stripe, PayPal, Shopify, Twilio, Salesforce, Xero, and Jira. Practiced TDD and OWASP security guidelines. Delivered low-code automation with Appian. Colla

Full Stack Developer (Web & Mobile application) at BeeCommerce

June 1, 2017 - July 31, 2019

Engineered scalable, high-performance web and mobile applications using JavaScript, TypeScript, React, Angular, Vue.js, Flutter, React Native, Swift, and Kotlin enhancing user engagement by 25%. Developed responsive and accessible front-end interfaces with HTML5, CSS3, and SCSS. Built secure and modular backend services with Node.js and Express.js powering core features like authentication, billing, and analytics. Designed and maintained scalable databases with MySQL, PostgreSQL, MongoDB, and Firebase supporting millions of daily requests. Managed cloud infrastructure on AWS and Azure achieving 99.9% uptime and reducing operational costs by 25%. Implemented CI/CD pipelines with Docker, Kubernetes, and GitHub Actions for automated delivery. Developed RESTful and GraphQL APIs improving API performance by 20%. Collaborated closely with design and product teams using Figma. Led Agile processes including Scrum standups, sprint planning, and code reviews. Used Appian low-code tools to automa

Web Developer at Dentsu Digital Inc.

May 1, 2014 - February 28, 2017

Contributed to scalable web applications development using PHP (Laravel, CodeIgniter) and Node.js backend logic enhancements. Supported front-end development with React.js, Vue.js, and Angular creating responsive UIs using HTML5, CSS3, Bootstrap, and Tailwind CSS. Assisted in designing and consuming RESTful and GraphQL APIs for integration between services. Managed relational and NoSQL databases MySQL, PostgreSQL, MongoDB, and Redis focusing on performance tuning. Collaborated on secure authentication flows using OAuth and JWT. Integrated third-party payment, notification, and CRM APIs. Gained experience with Docker and Kubernetes for containerized development and staging. Supported AWS cloud deployment optimizing cost and uptime. Built and maintained CI/CD pipelines with Jenkins and Git to streamline testing and release. Practiced test-driven development with PHPUnit, RSpec, Jest, and Cypress improving code quality. Participated in Agile development processes, code reviews, and learni

Senior Full Stack Developer(JavaScript) at Moonbite Sp. z o.o.

December 1, 2024 - June 17, 2024

Led the front-end architecture for a large-scale multi-vendor e-commerce platform using micro-frontends to decouple domains such as storefront, cart, admin panel, and vendor dashboards. Designed a React-based shell application for layout, session handling, and routing orchestration. Developed standalone micro-apps with React and Vue.js communicating via shared event bus and state sync. Integrated Apache Kafka for real-time communication and event-driven updates. Used Webpack Module Federation for seamless integration of micro frontends. Created shared component library distributed as an internal NPM package. Managed RESTful API communication with secure token-based access and throttling. Set up automated CI/CD pipelines with GitHub Actions for modular deployments. Implemented comprehensive test coverage using Jest, Vitest, React Testing Library, and Cypress. Collaborated closely with backend teams on Kafka topics and schema contracts. Achieved scalable, fault-tolerant frontend supporti

Senior Full Stack JavaScript Developer at DIGITALKOD

August 1, 2019 - October 31, 2024

Led end-to-end development of responsive and accessible web applications using React, Next.js, Vue.js, Angular, and TypeScript, adhering to WCAG 2.1 standards. Engineered scalable backend services with Node.js, Express, and NestJS integrating RESTful and WebSocket APIs. Designed data models for PostgreSQL, MySQL, MongoDB, Redis, Firebase, and DynamoDB. Built secure authentication systems using OAuth2 and JWT. Deployed full-stack applications to AWS and Azure using Docker and Kubernetes. Delivered interactive UIs with Three.js, WebGL, and Ant Design. Automated CI/CD workflows with GitHub Actions, Jenkins, and GitLab CI, implementing monorepo strategies and IaC. Built cross-platform mobile applications with React Native and Flutter. Integrated third-party services such as Stripe, PayPal, Shopify, Twilio, Salesforce, Xero, and Jira. Practiced TDD and enforced OWASP security guidelines. Delivered low-code automation solutions with Appian. Collaborated agilely using Figma, Jira, Confluence,

Full Stack Developer (Web & Mobile application) at BeeCommerce

June 1, 2017 - July 31, 2019

Engineered scalable, high-performance web and mobile applications using JavaScript, TypeScript, React, Angular, Vue.js, Flutter, React Native, Swift, and Kotlin, improving user engagement by 25%. Developed responsive and accessible front-end interfaces with HTML5, CSS3, and SCSS. Built secure and modular back-end services with Node.js and Express.js powering core features. Designed and maintained scalable databases using MySQL, PostgreSQL, MongoDB, and Firebase supporting millions of daily requests. Managed cloud infrastructure on AWS and Azure achieving 99.9% uptime while reducing costs by 25%. Implemented CI/CD pipelines using Docker, Kubernetes, and GitHub Actions to reduce deployment time. Built and integrated RESTful and GraphQL APIs improving API latency by 20%. Collaborated with design and product teams using Figma for wireframing and prototyping. Led Agile ceremonies including Scrum standups and sprint planning. Utilized Appian low-code platform to automate workflows reducing m

Web Developer at Dentsu Digital Inc.

May 1, 2014 - February 28, 2017

Contributed to scalable web applications development using PHP (Laravel, CodeIgniter) and Node.js, enhancing backend logic and performance. Supported front-end development with React.js, Vue.js, and Angular, implementing responsive UIs with HTML5, CSS3, Bootstrap, and Tailwind CSS. Assisted in designing and consuming RESTful and GraphQL APIs for service integration. Supported database management of MySQL, PostgreSQL, MongoDB, and Redis, including performance tuning. Collaborated on secure authentication flows using OAuth and JWT and integrated third-party APIs for payments and CRM. Gained hands-on experience with Docker and Kubernetes for containerized environments. Supported AWS cloud deployments optimizing cost and uptime. Built and maintained CI/CD pipelines with Jenkins and Git. Practiced test-driven development with PHPUnit, RSpec, Jest, and Cypress. Participated in Agile processes, code reviews, and cross-functional collaboration.

Senior Full Stack Developer(JavaScript) at Moonbite Sp. z o.o.

December 1, 2024 - June 15, 2024

Led the front-end architecture for a large-scale multi-vendor e-commerce platform using micro-frontends to decouple domains. Incorporated SvelteKit for high-speed internal tools and SSR marketing components enhancing SEO and performance. Designed a React-based shell application for global layout, session management, and routing across micro-apps. Developed standalone micro-apps using React and Vue.js communicating via shared event bus and cross-app state sync. Integrated Apache Kafka for real-time event-driven communication across frontend and backend. Utilized Webpack Module Federation for seamless loading and runtime version compatibility of micro frontends. Created a shared design system compatible across React, Vue, and SvelteKit apps. Managed secure RESTful API communication and set up automated CI/CD pipelines with GitHub Actions for independent micro-app deployments. Ensured comprehensive test coverage, worked with backend teams on Kafka schema contracts, and improved deployment

Senior Full Stack JavaScript Developer at DIGITALKOD

August 1, 2019 - October 31, 2024

Built high-performing SPAs and micro-frontends with React, Vue.js, Angular, and Blazor for enterprise HR and invoicing systems. Integrated SvelteKit for internal dashboards and SEO optimized components. Led development of responsive and accessible web apps compliant with WCAG 2.1 and modular architectures. Engineered scalable backend services using Node.js, Express, NestJS supporting RESTful and WebSocket APIs. Designed data models for multiple databases supporting high-traffic environments. Developed secure authentication and role-based access systems. Deployed full-stack applications on AWS, Azure with Docker and Kubernetes container orchestration. Delivered interactive UIs using Three.js, WebGL, and Ant Design. Automated CI/CD workflows, practiced TDD, enforced security standards, integrated third-party services, and leveraged AI tools for development efficiency. Collaborated in Agile teams using Figma, Jira, and Git.

Full Stack Developer (Web & Mobile application) at BeeCommerce

June 1, 2017 - July 31, 2019

Engineered scalable, high-performance web and cross-platform mobile applications using JavaScript, TypeScript, React, Angular, Vue.js, Flutter, React Native, Swift, and Kotlin. Developed accessible front-end interfaces with HTML5, CSS3, and SCSS. Built secure modular backend services with Node.js and Express.js. Designed and maintained databases (MySQL, PostgreSQL, MongoDB, Firebase) supporting millions of daily requests. Deployed and managed cloud infrastructure on AWS and Azure achieving 99.9% uptime and cost optimization. Implemented CI/CD pipelines with Docker, Kubernetes, and GitHub Actions. Built and integrated RESTful and GraphQL APIs improving latency and interoperability. Collaborated with design teams using Figma and Agile methodologies, led Scrum and sprint planning, and utilized Appian low-code tools to automate workflows improving business operations.

Web Developer at Dentsu Digital Inc.

May 1, 2014 - February 28, 2017

Contributed to development and maintenance of scalable web applications using PHP frameworks and Node.js. Supported front-end with React.js, Vue.js, and Angular implementing responsive and consistent UI. Assisted in RESTful and GraphQL API design and consumption. Managed databases including MySQL, PostgreSQL, MongoDB, and Redis. Implemented secure authentication with OAuth and JWT and integrated third-party APIs. Gained experience with Docker and Kubernetes for containerization. Supported cloud deployment on AWS focusing on cost-efficiency and uptime. Built and maintained CI/CD pipelines with Jenkins and Git. Practiced test-driven development improving test coverage and code quality. Participated in Agile development including code reviews and team collaboration.