• Developed and maintained user-facing features using Tailwind CSS and JavaScript.
• Translated UI/UX design wireframes into high-quality code to produce visual elements of the application.
• Ensured technical feasibility of UI/UX designs while adhering to high coding and design standards.
• Optimized applications for maximum speed and scalability with responsive web design.
• Collaborated with back-end developers and web designers to enhance usability and meet stakeholder requirements.
• Wrote reusable code and libraries for efficient future use.
• Implemented unit and integration tests to ensure software robustness and reliability.
• Stayed updated with emerging trends and technologies in front-end development, recommending process improvements and new solutions.
• Participated in code reviews to maintain code quality and share knowledge.

• Implemented utility types such as Partial, Omit, Pick, and Record in TypeScript to enhance the flexibility of data structures within React applications.
• Utilized React hooks, including useState, useEffect, useRef, useReducer, useMemo, useCallback, and useContext, to manage state, side effects, and context in functional components.
• Managed the component lifecycle by implementing methods for Mounting (constructor, render, componentDidMount), Updating (render, componentDidUpdate), and Unmounting (componentWillUnmount).
• Integrated essential libraries such as React Router, React DOM, and Axios Fetch to streamline navigation, DOM manipulation, and HTTP requests within React and Next.js projects.
• Implemented design patterns including Higher Order Components (HoC) and Render Props to enhance component reusability and maintainability.
• Followed the Atomic Design methodology, organizing UI elements into atoms, molecules, organisms, templates, and pages to create scalable and maintainable React components.
• Employed Axios interceptors to globally intercept and handle HTTP requests and responses, ensuring consistent data handling throughout the application.
• Applied Tailwind CSS, a utility-first CSS framework, to efficiently style and design React components, providing a modern and responsive user interface.
• Leveraged GraphQL to consume services from a Headless CMS, enabling efficient data querying and manipulation within React and Next.js applications.
• Implemented CI/CD pipelines using GitHub Actions to automate the build and deployment processes, ensuring a streamlined and efficient development workflow.
• Managed user sessions using cookies for session management, providing a secure and persistent user authentication experience.
• Implemented middlewares to protect routes by checking authentication status before rendering components, enhancing the security of the application.

ReactJS (Frontend):

• Developed both stateful and stateless components, ensuring efficient and maintainable UI structures.
• Distinguished between presentational and container components, separating concerns for improved code organization.
• Implemented various React hooks, including useState, useEffect, useRef, useReducer, useMemo, and useCallback, to manage component state, side effects, and memoization.
• Created custom hooks to encapsulate and reuse common logic across multiple components.
• Managed global state using both Redux for centralized state management and useContext for simpler, local state sharing.
• Implemented lifecycle methods to handle component Mounting, Updating, and Unmounting phases.
• Integrated essential libraries such as React Router, React DOM, and Axios Fetch to facilitate navigation, DOM manipulation, and HTTP requests within the application.
• Applied design patterns such as Higher Order Components (HoC) and Render Props to enhance component reusability and maintainability.
• Followed the Atomic Design methodology to organize components into atoms, molecules, organisms, templates, and pages, promoting a scalable and structured architecture.
• Utilized Axios interceptors to globally intercept and manage HTTP requests and responses.
• Styled components using Tailwind CSS for utility-first styling and added expressive styles with Styled Components.
• Leveraged NextJS framework for server-side rendering and enhanced development experience.

NodeJS (Backend):

• Implemented a microservices architecture oriented to AWS Lambda functions, ensuring serverless and scalable backend solutions.
• Utilized Swagger for Serverless OpenAPI documentation to maintain a comprehensive and standardized API documentation.
• Integrated web services using both REST and GraphQL, ensuring flexible communication between frontend and backend components.
• Managed databases including MongoDB and Postgres, utilizing TypeORM for Postgres models (ORM) and Mongoose for MongoDB models (ODM).
• Implemented unit and integration testing using Jest to ensure the reliability of the backend functionality.

Metabase (BI):

• Created widgets and dashboards for reporting within the Metabase BI tool.
• Embedded Metabase charts and dashboards with dynamic parameters for a customizable reporting experience.
• Utilized Postgres views and functions to optimize performance in Metabase.

General:

• Implemented TypeScript for static typing and improved code quality.
• Utilized Git versioning for source code management.
• Implemented Git actions and Git secrets for automation and secure configuration.
• Followed the Scrum development methodology for an iterative and collaborative development process.

• Implemented microservices architecture using Spring Boot, ensuring modular and scalable applications.
• Integrated web services, supporting both RESTful and SOAP protocols, for seamless communication between different components.
• Managed databases, including MySQL and Postgres, utilizing Spring Data for efficient data access.
• Conducted unit testing using JUnit to ensure the reliability and correctness of individual components.
• Performed stress testing with JMeter to evaluate the system's performance under various conditions.
• Adhered to Agile methodologies, specifically Scrum, for iterative and collaborative development processes.
• Managed tasks and workflows using Jira, facilitating efficient project management and tracking.
• Applied SOLID principles to enhance code maintainability and scalability.
• Implemented various design patterns such as Singleton, Builder, Observer, Facade, Proxy, and Template to address common programming challenges and promote code reusability.
• Followed a Secure Development Guide, incorporating symmetric (AES) and asymmetric (RSA) encryption techniques to enhance data security.
• Addressed OWASP Top 10 vulnerabilities, ensuring the application's resilience against common security threats.
• Deployed artifacts on AWS infrastructure, including ECS (Elastic Container Service), EC2 instances, and S3 buckets.
• Leveraged AWS services such as CloudWatch, Lambda, and ECR to enhance application scalability, monitoring, and container registry management.
• Implemented Docker deployments, ensuring consistency and portability across different environments.
• Managed Linux servers, handling server configurations and maintenance.
• Applied Aspect-Oriented Programming (AOP) principles to enhance modularity and cross-cutting concerns in the codebase.
• Maintained code quality using SonarQube, identifying and addressing code issues and potential vulnerabilities.

React (Frontend):

• Developed both stateful and stateless components in React, ensuring a flexible and modular UI architecture.
• Distinguished between presentational and container components, following best practices for component structuring.
• Implemented various React hooks such as useState, useEffect, useRef, useReducer, useMemo, and useCallback for efficient state management and side-effect handling.
• Created custom hooks to encapsulate and reuse common logic across different React components.
• Managed global state using both Redux for centralized state management and useContext for local state sharing.
• Implemented the component lifecycle methods to handle Mounting, Updating, and Unmounting phases effectively.
• Integrated essential libraries, including React Router, React DOM, Axios, and Fetch, to facilitate navigation, DOM manipulation, and HTTP requests.
• Applied design patterns like Higher Order Components (HoC) and Render Props to enhance component reusability.

Angular (Frontend):

• Managed Angular 10 projects, defining project structures and handling routes for a scalable and maintainable codebase.
• Integrated RESTful web services into Angular applications, ensuring seamless communication with backend services.
• Implemented a universal interceptor for HTTP requests, streamlining the handling of API calls.
• Integrated Webpack and TSLint for efficient bundling and code quality in Angular projects.
• Designed custom styles using the SASS preprocessor, and utilized Bootstrap, Material Design, and PrimeNG for UI components.
• Managed browser's local and session storage, enhancing data persistence in Angular applications.
• Followed the BEM CSS methodology for a structured and maintainable stylesheet.
• Utilized CSS animations to enhance the user interface and provide a better user experience.
• Implemented lazy loading for modules, optimizing the loading time of Angular applications.
• Managed events between components and services, ensuring effective communication within the Angular application.
• Followed the Scrum development methodology for an iterative and collaborative development process.

Java (Backend):

• Implemented microservices using Spring Boot and Java EE for scalable and modular backend solutions.
• Integrated RESTful web services, ensuring efficient communication between frontend and backend components.
• Managed queues for asynchronous communication and background processing.
• Handled databases, including Postgres and IBM DB2, for data storage and retrieval.
• Utilized Git for version control, ensuring collaborative and organized software development.
• Followed the Scrum development methodology for an iterative and collaborative development process in Java backend projects.

JavaScript, HTML, CSS (Frontend):

• Implemented REST integrations in JavaScript, ensuring seamless communication between the frontend and backend.
• Created web pages using HTML for markup, CSS for styling, and JavaScript for dynamic client-side behavior.

PHP (Backend):

• Integrated web services using both SOAP and REST protocols in PHP, facilitating communication between different components.
• Managed MySQL databases for efficient data storage and retrieval in PHP applications.

Java (Backend):

• Implemented Java EE for scalable and modular backend solutions.
• Managed Postgres databases for data storage and retrieval in Java backend applications.
• Utilized Jasper Reports for generating and presenting reports in Java applications.

Angular (Frontend):

• Managed Angular 7 and 8 projects, overseeing the development and maintenance of frontend applications.
• Integrated RESTful web services into Angular applications, ensuring efficient communication with backend services.
• Designed custom styles using the SASS preprocessor for a unique and appealing user interface.
• Implemented route handling for seamless navigation and user experience.
• Created various pages within Angular applications, contributing to the overall structure and functionality.

PHP (Backend):

• Integrated web services using both SOAP and REST protocols in PHP, facilitating communication between the frontend and backend.
• Managed MySQL databases for efficient data storage and retrieval in PHP applications.

Java (Backend):

• Implemented Java EE for scalable and modular backend solutions.
• Managed both MySQL and Postgres databases for data storage and retrieval in Java backend applications.

JavaScript, HTML, CSS (Frontend):

• Integrated RESTful APIs for various services, including PayU, MailChimp, and Allegra, ensuring seamless communication between the frontend and external platforms.
• Created dynamic and interactive web pages using HTML for structure, CSS for styling, and JavaScript for client-side behavior.
• Implemented CSS animations to enhance user engagement and provide a visually appealing user interface.
• Designed responsive web pages and landing pages, ensuring optimal viewing and interaction across various devices.
• Utilized JQuery and Bootstrap for streamlined development and enhanced UI components.

PHP (Backend):

• Integrated web services using both SOAP and REST protocols in PHP, facilitating communication between the frontend and backend.
• Managed MySQL databases, ensuring efficient data storage and retrieval for PHP applications.
• Administered Linux servers, handling server configurations and maintenance for PHP applications.
• Implemented Git versioning for source code management, ensuring collaboration and code organization.
• Followed the Scrum agile methodology for iterative development and efficient project management.
• Implemented a CRM system based on Vtiger for customer relationship management.