Javascript Developer & React Developer & React Native Developer

Tento kandidát je vývojár React a React Native, ktorý sa vývoju v týchto technológiách venuje už viac ako 7 rokov v komerčnej praxi. Vyniká aj v technológiách ako iOS, Android, Java a Kotlin. Na svojej súčasnej pozícii vedie projekt pre nórskych klientov, ktorý sa od septembra 2021 zameriava na asistenčnú aplikáciu pre cestovanie vlakom. Podieľa sa na technickom návrhu, dodávke produktov a podpore DevOps, pričom využíva technológie ako React, React-Native, iOS, Android, Swift, Objective-C, Java a Kotlin. Predchádzajúce úlohy zahŕňajú projekty so zákazníkmi v Spojenom kráľovstve, Belgicku, USA a Izraeli. Ich rôznorodé skúsenosti zahŕňajú digitálne publikovanie, správu sociálnych médií a obchodné vzdelávacie platformy, pričom využívajú technológie ako GraphQL, Typescript, Node.js, Docker a ďalšie. Ovládajú komunikáciu v angličtine na výbornej úrovni.

Self-employed, Spišská Nová Ves (Norwegian customer)

• Duration September 2021 - Present (2 years)
• Role: React, React-Native, iOS, Android, Java/Kotlin full-stack senior engineer (Technology and team leader)
• Project Description: Assistance with traveling by train conveniently on your phone. App for travelers with limited mobility to plan trips, request assistance, and monitor trips in real-time.
• Responsibilities: Application technical design, product delivery, DevOps support, testing, sprint planning, estimations, new feature implementation, optimization.
• Technologies: React, React-Native, iOS, Android, Java, Kotlin, Swift, Objective-C, REST, GraphQL, Typescript, Docker, Kubernetes, Azure, GitHub Actions, Firebase, and more.

Self-employed, Spišská Nová Ves (UK customer)

• Duration: Aug 2018 - July 2020 (1 year and 11 months)
• Role: React, React-Native, iOS, Android, AWS senior full-stack engineer
• Project Description: International weekly newspaper app focusing on current affairs, business, politics, and technology.
• Responsibilities: Development, testing, estimation, advertisement & subscription management, optimization, new features.
• Technologies: React, React-Native, iOS, Android, AWS, CircleCI, GitHub Actions, Bamboo, Firebase, and more.

Self-employed, Spišská Nová Ves (Belgian customer)

• Duration: July 2020 - September 2021 (1 year and 2 months)
• Role: React, React-Native, Node.js, iOS, Android full-stack senior engineer (Technology and team leader)
• Project Description: Assistance with traveling by train app for travelers with limited mobility.
• Responsibilities: Technical design, product delivery, DevOps, testing, sprint planning, estimations, new features, optimization.
• Technologies: React, React-Native, Node.js, iOS, Android, Kotlin, Java, Jenkins, Sonarcube, Azure, Firebase, and more.

Self-employed, Košice (US customer)

• Duration: Sep 2016 - Dec 2017 (1 year and 4 months)
• Role: iOS Senior developer
• Project Description: Social media campaigns management mobile app - content marketing platform for enterprise.
• Responsibilities: iOS development, feature integration, bug fixing, code review, testing, planning, CI/CD.
• Technologies: iOS, Swift, SwiftUI.

Self-employed, Spišská Nová Ves (UK customer)

• Duration: Jan 2018 - July 2018 (7 months)
• Role: React-Native Senior developer
• Project Description: International weekly newspaper app.
• Responsibilities: React-Native development, testing, planning, estimations, advertisement integration, optimization.
• Technologies: React-Native, iOS, Android, Typescript, Firebase.

Self-employed, Spišská Nová Ves (Israel customer)

• Duration: May 2018 - Aug 2018 (3 months)
• Role: React-Native Solution Architect, Full-stack engineer
• Project Description: Business education platform for millennials.
• Responsibilities: Technical architecture, development, backend, DevOps, planning, optimization.
• Technologies: React, React-Native, Nest.js, Docker, Kubernetes, Helm.

Freelancer, Košice (German customer)

• Duration: June 2014 - Nov 2014 (6 months)
• Role: Java mid developer
• Project Description: SAP data to Java transformations, data encryption/decryption, automation system for SAP data manipulation.
• Responsibilities: Java Spring development, compression/decompression, data validation.
• Technologies: Java, JNI, CloverETL.

Freelancer, Košice (Slovak customer)

• Duration: Nov 2014 - Sep 2015 (11 months)
• Role: Full-stack iOS/PHP Tech leader
• Project Description: Retail system, statistics operations, composed of multiple applications.
• Responsibilities: Tech leadership, iOS and PHP development, deployment management, business analysis.
• Technologies: iOS, Swift, PHP, Symfony, PostgreSQL.

Freelancer, Košice (Czech customer)

• Duration: Sep 2015 - Sep 2016 (about 1 year)
• Role: React/NodeJS full-stack developer
• Project Description: Automotive web system for marketing and mobile app management, customer service systems.
• Responsibilities: Backend and frontend development, database manipulations, pipeline configuration, Docker.
• Technologies: React, Microsoft SQL, Docker, NodeJS, Azure, TFS.

Internship, Košice

• Duration: Sep 2011 - Dec 2012 (over 1 year)
• Role: Full-stack developer
• Project Description: Driving skills evaluation in public transportation using sensor data analysis.
• Responsibilities: Full-stack development, database design, UI/UX design, project management.
• Technologies: Android SDK, Angular, Meteor.js, Ionic, MongoDB, ReactiveX