Available for part-time hire
€80
per hour
Dejan Velimirović
Full-Stack Developer
19+ years of experience
Part of FatCat Coders since:
August 2020
Dejan is an experienced software architect and engineer specializing in web technologies. With over 19 years of experience, Dejan is an expert in React, React Native, Next.js, Node.js, PostgreSQL, and MySQL. He is also quickly adaptable and versatile in other technologies such as Go, Electron, PHP, Java, and AWS. Besides leading complex software architecture, Dejan has rich product development experience in healthcare, finance, and SaaS solutions, as well as DevOps experience
Software ArchitectureDevOpsProduct DevelopmentJavaScriptTypeScriptReactReduxMobXReact NativeNode.jsNext.jsPHPJava/KotlinGoElectronStripeGatsbyPostgreSQLMySQLContentfulAWSSufficient Self-managing
FatCat Work Experience
Enjoy Good Health
July 2023 - ongoing
Responsibilities
- Clean and pure vitamin supplements specifically designed for people who experience sinus and allergy problems.
Achievements
- Led as the responsible Lead Engineer Architect, integrated Contentful CMS to enable flexible and efficient content updates, ensuring up-to-date product information and engaging website content.
- Enabled secure and convenient monetary transactions through Stripe integration, fostering trust and minimizing checkout friction for customers.
- Streamlined product additions by leveraging existing APIs and code from the admin panel, reducing development time and resource allocation.
- Improved product listings and search engine visibility by integrating Google Merchant Center.
- Established a modular and scalable architecture for future website growth and feature expansion.
- Meticulously adhered to American data privacy regulations and relevant industry standards, building trust and ensuring legal compliance.
- Developed a custom user review system to encourage transparent feedback and build trust with potential buyers.
- Worked within an e-commerce team alongside two additional developers, a product owner, two marketing managers, and a designer, following the Scrum methodology.
Main tech stack
GatsbyContentfulStripe
ProvideHealth (Vitamed)
February 2021 - ongoing
Responsibilities
- ProvideHealth is an App created by doctors that offers custom product selections for your health needs.
Achievements
- Implemented the Custom Provider Share Medication Recommendation Process with SMS Deep Linking using Twilio, providing personalized product suggestions based on user preferences, resulting in enhanced engagement and conversion rates.
- Integrated Shippo to streamline shipping workflows, ensuring efficient order fulfillment and reliable, timely product delivery.
- Improved user satisfaction with a smooth checkout process powered by Stripe for secure and convenient money transfers and subscriptions.
- Ensured compliance of all integrated features with relevant industry regulations and data privacy laws.
- Developed a robust admin panel, granting app owners complete control over purchases, metrics, product management (including item creation, classification, and inventory), and other critical operational aspects.
- Led the development team, showcasing exceptional technical skills to resolve challenges and ensure app functionality and performance.
- Optimized payment infrastructure for exclusive reach within the United States.
- Worked within an m-commerce team alongside two additional developers, a product owner, scrum master, and designer, adhering to the Scrum methodology.
Main tech stack
NodeJS (Nest.js)PostgreSQLReactReact NativeAWSStripe
Convertmore
August 2022 - December 2022
Responsibilities
- A customizable widget that helps you get more customers from your current website visitors.
Achievements
- Improved the Convertmore service by introducing new features and addressing bugs for a customizable widget designed to convert website visitors into customers.
- Implemented features including support for Mexican phone numbers, tracking addition, account deletion, phone number spoofing, and analytics integration.
- Specialized in resolving complex technical challenges as one of the most experienced and reliable engineers on the team.
- Collaborated with the Convertmore team, including the project manager and QA, to ensure seamless project execution.
Main tech stack
NodeJSPostgreSQLReactAWS
Other work experience
TradeCore
January 2017 - February 2020
Main tech stack
NodeJSPostgreSQLRedisInfluxDBAWSReactReact Native
ShiftPlanning / Humanity
September 2011 - June 2016
Main tech stack
PHPMySQLJavaScript
WayIDo
October 2009 - May 2011
Main tech stack
PHPMySQLJavaScriptRedisC++JavaRed5
MassCoders
March 2008 - September 2009
Main tech stack
PHP
First Beat Media
November 2005 - August 2008
Main tech stack
PHP
Education
- Masaryk University, Faculty of InformaticsBrno, Czech Republic
Languages
- English
- Serbian
- Czech
Hobbies
- With an entrepreneurial spirit Dejan, has turned his passions into a business, which is why he is the owner of the PetShop “Moja Mačkica” and the founder of “DVSoftware”.