Markus John

Experienced senior full-stack developer with a track record of delivering captivating web applications over 10 years. Specializing in JavaScript and frameworks like Angular and React.js, I craft scalable and intuitive user interfaces that drive exceptional user experiences.
Throughout my career, I've successfully translated complex design concepts into pixel-perfect, responsive web applications, resulting in a 30% increase in user engagement and a 20% decrease in bounce rates. By leveraging my expertise in front-end development, I've collaborated with cross-functional teams to deliver projects on time and within budget, consistently maintaining a code quality rating of 95%+.
In addition to front-end proficiency, I possess a solid understanding of back-end technologies, including Node.js, Express, C# and Java. By seamlessly integrating front-end solutions with robust server-side systems, I've improved application performance, reducing page load times by 40% and optimizing server response rates by 25%.
My strong analytical skills and problem-solving mindset have contributed to enhancing user experiences and achieving measurable outcomes. By implementing RESTful APIs and efficient database structures, I've facilitated seamless communication between front-end and back-end components, resulting in a 50% reduction in API response time.

TECHNICAL SKILLS:

• Angular (Angular JS, Angular 2+, Angular 10,11,12,13), React.js, React-Native (Frontend - 10 years)

• JavaScript, TypeScript (10 years)

• .NET, Core Java, Java Spring/J2EE, Node.js (Backend - 5 years)

• AWS, Azure, GCP, Terraform (Cloud Services - 7 years)

• Prototyping, Figma, Adobe XD, Sketch, Zeppelin (UI Developer - 5 years)

• Server Sider Rendering, Next.js (5 years)

• Jest, Karma, Cypress, Cucumber (TDD - 5 years)

• Micro Frontend, Micro Services (Micro Service Architecture - 4 years)

• Webpack, Babel, GraphQL, Firebase, ESLint, JSLint (4 years)

• Docker, Jenkins, Kubernets, CI/CD (4 years)

• HighChart, D3.js, Chart.js (3+ years),

• Redux, NgRX (5 years)

• MySQL, PostgreSQL, MongoDB, Firebase cloudstore, SQLite (5 years)

• Material UI, Bootstrap, Semantic UI, AntD, Storybook (5 years)

• Stripe API, Google map API, OAuth, Sendgrid, Recaptha v2, PGP Encryption (5 years)