Alibaba Cloud E-MapReduce

A back-end developer with over six years of experience, specializing in desktop development using Delphi, relational database management, and version control systems such as Git and SVN. Proficient in Agile methodologies, particularly Scrum.

Possessing a background in Systems Analysis and Development with over two years' experience, this individual excels in the creation, maintenance, and enhancement of software. Demonstrating a keen curiosity and a strong dedication to continuous learning, they thrive on overcoming challenges. In the realm of backend development, they are adept at working with microservices and platforms such as Node.js, Nest.js, Express, and Koa.js, while also employing tools like Jest, Supertest, TypeScript, JavaScript, and RESTful APIs for robust software solutions. Their expertise in database management spans MySQL, PostgreSQL, and MongoDB, along with experience using ORMs such as Sequelize, Prisma, TypeORM, and Mongoose.

Proficient in DevOps practices, this professional utilizes Git, Docker, GitHub, GitLab, CI/CD pipelines, AWS Lambda, AWS EC2, and Linux operations. They bring comprehensive knowledge of frontend technologies including JavaScript, HTML, CSS, TypeScript, React.js, Styled-components, Bootstrap, Redux, Next.js, React Hooks, Testing Library, and Cypress for E2E testing, with a focus on TDD using Jest and React Testing Library. Additionally, their project management skills encompass methodologies like Kanban and Scrum to ensure efficient and effective project execution.

Systems Analyst with 11 years of experience in developing comprehensive solutions across diverse platforms and markets. Proficient in software development utilizing a range of Microsoft technologies including the .Net Framework (versions 3.5 to 4.8), .Net Core (2.0 and 3.1), .Net 5 and 6, ASP.Net MVC, ASP.Net MVC Core, and ASP.Net API. Specializes in Azure DevOps integrations, employing Service Hooks and automations via .Net Core APIs, as well as developing applications using Azure queues through the Azure Service Bus.

Expert in Front-End development with Angular 12+ and experienced in creating desktop systems using WindowsForms. Adept in developing web solutions and WindowsServices. Demonstrates substantial database management expertise in IBM DB2, SQL Server, Oracle, and MySql, with a focus on creating procedures, triggers, and views, maintaining tables and indexes, and developing queries for diverse purposes including consultations, reconciliations, and workload management.

Recent professional endeavors include developing web solutions, utilizing Azure Bus for messaging, consuming and developing REST APIs, integrating various solutions with DevOps, and collaborating with the FreshDesk system. Proficient in using Angular and Node.js for a wide range of development tasks.

A frontend developer since 2020, with expertise in HTML, CSS, JavaScript, and TypeScript, as well as proficiency in frameworks such as React, Gatsby, and Next.js. Experienced in mobile application development using Flutter, React Native, and Capacitor. Portfolio accessible on GitHub at github.com/ydroulis.

Front-end Developer with 3.5 years of experience in web and mobile project development, specializing in interactive web solutions using leading market technologies. Expertise in responsive design, SEO, accessibility, and integration with APIs and third-party libraries. Demonstrated proficiency in teamwork and agile methodologies, including Scrum and Kanban. Dedicated to creating attractive, functional interfaces that enhance user experience.

Full-stack developer with extensive expertise in crafting innovative web solutions. Proficient in both server-side and client-side development, employing technologies such as HTML, CSS, JavaScript, PHP, Python, and Node.js. Demonstrates a strong ability to leverage technical knowledge and experience to ensure successful project outcomes.

Economist with extensive expertise in Python and core data science libraries, including pandas, numpy, sklearn, and keras. Possesses strong proficiency in SQL and Power BI, and has experience in developing tools and automating processes using Python. Proficient in constructing and implementing various machine learning models, such as K-means clustering, decision trees, linear regression, and logistic regression. Well-versed in leveraging cloud services, including AWS, Azure, and GCP. Recognized for exceptional logical reasoning skills, a self-taught approach to learning, sociability, a results-driven mindset, and a high capacity for effective delivery.

Mid-Level PHP Programmer with robust capabilities in Object-Oriented Programming (OOP) and thorough expertise in PHP 7, adhering to PHP-FIG standards. Proficiency extends to Drupal 7, Docker, and RESTful services, alongside tools such as PHP CS, SimpleTest, and PHPUnit. Renowned for strong programming logic, organization skills, agility, persistence, dedication, and a high level of commitment.