Marian Kostadinov

I'm looking for a new position now

About

An adept senior full-stack developer with 8 years of experience, proficient in crafting scalable, efficient, and maintainable web applications utilizing a diverse tech stack encompassing front-end frameworks such as React and Angular, coupled with back-end technologies like Node.js and Django. Demonstrates expertise in architecting robust software solutions, employing best practices in software development methodologies, and adeptly collaborating with cross-functional teams to deliver high-quality products.

Country

Austria

City

Vienna

Industry

Information Technology & Services

Skill

Mocha (JavaScript Framework), MySQL, Angular, SQL, Kotlin, Java, WebSocket, Problem Solving, Programming, Model-View-Controller (MVC), ASP.NET, .NET Framework, Containerization, Cascading Style Sheets (CSS), Customer Relationship Management (CRM), Artificial Intelligence (AI), ChatGPT, Laravel, Python (Programming Language), TypeScript

Experience

I'm looking for a new position now

from startups to large scale enterprise

2024-2 - Present · 2 yrs 8 mos

Senior Software Engineer

Tech Alchemy

2023-1 - 2024-1 · 1 yr 1 mo

London Area, United Kingdom

• Implemented advanced state management patterns and optimized rendering processes, achieving a 40% improvement in application load time and user interaction responsiveness. • Designed and implemented a robust microfrontend architecture to facilitate the modular development of application features, allowing for efficient, team-centric development processes. • Integrated and maintained a CI/CD pipeline using Jenkins and Docker, automating the testing and deployment process, which led to a 75% reduction in deployment-related issues and streamlined the overall development lifecycle.

Full Stack Developer

The Weather Company

2022-7 - 2022-12 · 6 mos

Berlin, Germany

• Spearheaded the end-to-end development of a custom CRM system using React.js, Node.js, and Express.js, integrating with Salesforce and other third-party services via RESTful APIs. This system streamlined internal sales processes, improving operational efficiency by 40%. • Migrated legacy systems to AWS, leveraging services like EC2, S3, RDS, and Lambda to enhance scalability and reduce operational costs. Set up CI/CD pipelines using Jenkins and Docker, improving deployment frequency and reducing time to market. • Championed Agile methodologies, facilitating sprint planning, daily stand-ups, and retrospectives to enhance team productivity and project transparency. Acted as a Scrum Master, fostering a culture of continuous improvement.

React Native Developer

Gad.Ai

2020-8 - 2022-5 · 1 yr 10 mos

United States

• Led the development of a highly interactive and responsive SPA for a leading online marketplace, utilizing Angular 10, TypeScript, and RxJS. The project resulted in a 35% increase in user engagement and a 25% decrease in page load times. • Improved application accessibility (a11y) and implemented internationalization (i18n) features, making the application more accessible and user-friendly to a global audience.

Web Developer

Upwork, Freelancer

2017-3 - 2020-10 · 3 yrs 8 mos

• Delivered 30+ web and mobile solutions using JavaScript, React, Node.js, and MongoDB, emphasizing responsive design and user experience, while honing skills in project management, client communication, and adapting to new technologies through continuous learning. • I am committed to continuous learning, regularly updating my skill set to include the latest technologies and best practices in software development.