# Ivan Krupik > Software Engineer - Building innovative solutions for small businesses. Expert in full-stack development and delivering robust software products. Location: United States, United States Profile: https://flows.cv/ivankrupik Results-driven software engineer with over 7 years of experience in designing and implementing innovative software solutions using various technologies. Skilled in full-stack development, Agile methodologies, and software architecture design, with a proven ability to troubleshoot complex problems. Adept at collaborating with cross-functional teams to deliver high-quality products that meet business objectives. Passionate about continuous learning and emerging technologies, with strong interpersonal, communication, and leadership skills. Web / Mobile Development: Node.js ▪ Express.js ▪ React JS ▪ Redux ▪ Kotlin ▪ Flutter ▪ iOS ▪ Android UI/UX Design ▪ Figma ▪ Adobe XD Programming Languages: JavaScript (ES6) ▪ TypeScript ▪ Ruby on Rails ▪ Java ▪ Python ▪ Shell Scripting Database: SQL ▪ PostgreSQL ▪ DynamoDB ▪ MongoDB ▪ Firebase. Firestore Cloud and DevOps: Firebase ▪ Google Cloud Platform ▪ Docker Project Management: Agile Methodologies ▪ Quality Assurance ▪ Version Control ▪ Jira ## Work Experience ### Senior Software Engineer @ Babyscripts Jan 2023 – Jan 2025 | United States Led the migration of the MyJourney Flutter App, integrating IoT devices through BLE for virtual maternity care solutions. Developed backend services using Node.js, Express.js, TypeScript, and non-relational databases, enhancing accessibility and efficiency in maternity care. Collaborated cross-functionally with healthcare professionals and product teams to translate healthcare requirements into scalable software, improving maternal and child health outcomes. Ensured software stability and performance through best practices in testing, quality assurance, and adherence to healthcare data privacy regulations. ### Technical Lead - MascotaMas @ Mascota Más Jan 2021 – Jan 2024 Developed scalable and secure back-end solutions with Firebase and GCP, ensuring robust infrastructure. Demonstrated advanced skills in Flutter/Dart for mobile development, React JS/Redux for web development, and GCP/Firebase for cloud services. Created efficient deployment pipelines, achieving cross-platform compatibility on iOS and Android. Integrated Agora for real-time voice/video, real-time location services, and in-app chat for enhanced user interaction. Key Achievements: Developed an innovative app for pet owners in Argentina, achieving over 4,000 active daily users. The project is called MascotaMas ### Senior Software Engineer - IUNU Advanced Agricultural Technology @ IUNU Jan 2022 – Jan 2024 | United States Heightened user experience and feature integration for the HWC mobile app, taking ownership of the project. Managed PostgreSQL databases on Google Cloud Platform (GCP), ensuring data integrity and performance. Optimized data processing and ensured smooth core service operations in collaboration with the backend team using JavaScript and GraphQL. Supported scripting and pipeline development, automating workflows and enhancing operational efficiency. Engaged in the Luna CMP project using Ruby on Rails and TypeScript, coding, debugging, and deploying scalable backend solutions to enhance platform robustness and reliability. ### Front End Developer - Graymalin Photography E-commerce Platform @ 42i Jan 2023 – Jan 2023 | United States Created a user-friendly and responsive website to enhance audience engagement and brand visibility. Let the implementation of Next.js for server-side rendering, greatly improving website performance and SEO. Synchronized the integration of Contentful and Shopify to streamline content management and enable e-commerce functionality on the website. Crafted applications using TypeScript to ensure code quality and maintainability. Designed and created a highly customizable and responsive user interface using Tailwind CSS ### Full Stack Developer - Crossfinder Project Migration with Play Framework and Java @ 42i Jan 2022 – Jan 2023 Led the migration of the Crossfinder project, a platform aimed at revolutionizing the hiring process and ensuring fair compensation practices. Utilized the Play Framework and Java to enhance backend infrastructure, improving efficiency and scalability. Managed and optimized the codebase, ensuring seamless integration and minimal downtime during the migration process. ### Backend Engineer - Fitchin, Premier Spanish-Speaking Gamer Community Platform @ 42i Jan 2022 – Jan 2022 Engineered high-performance and scalable backend solutions using Spring Boot with Kotlin. Architected and deployed RESTful APIs to facilitate efficient communication between the platform's frontend and backend components. Spearheaded the design and development of pipelines, enhancing deployment efficiency and continuous integration/continuous deployment (CI/CD) practices. Oversaw AWS cloud services to ensure reliable and secure infrastructure. ### Blockchain Developer - Survivewilds NFT Project @ 42i Jan 2022 – Jan 2022 Played a role in creating smart contracts using Solidity, prioritizing secure and efficient NFT transaction processes. Introduced quality assurance and codebase optimization measures to uphold high security and performance standards. Conducted comprehensive unit testing in JavaScript to validate functionality and ensure the reliability of smart contracts before deployment. Deployed smart contracts on the Ethereum blockchain, achieving seamless integration within the network. ### Lead Full-Stack Developer - Alto Fitness Personal Trainer App @ 42i Jan 2020 – Jan 2021 | United States Developed a mobile app using Flutter and Dart, integrating Bloc, GetX, and Redux for state management. Established deployment pipelines to streamline the release process and liaised with the New York-based client to align the project with their vision and requirements. Innovated RESTful APIs to facilitate effective communication between the front-end and back-end components. Devised a dynamic and responsive web front-end using React JS and implemented back-end solutions with Ruby on Rails. Supervised AWS Cloud infrastructure to optimize performance, scalability, and security. ### Mobile Front-End Engineer - OncoHealth Oncology Care Management Platform @ Beta Acid Jan 2021 – Jan 2022 | United States Focused on utilizing Flutter to develop a responsive and intuitive mobile application for oncology care stakeholders. Contributed significantly to designing aesthetically pleasing and functionally effective interfaces, prioritizing ease of use for patients and healthcare providers. Collaborated with teams to integrate mobile front-end with backend services, ensuring seamless data flow. Monitored and enhanced application performance for reliability and efficiency and ensured consistent user experience across multiple mobile platforms. ### Flutter Developer - Supervielle Bank @ IncluIT Jan 2020 – Jan 2021 | Remote Employed Flutter for cross-platform mobile app development, ensuring a consistent and intuitive user experience. Assisted in implementing key features focusing on user-centric design and security, similar to platforms like Zelle. Performed thorough testing and quality assurance to ensure app reliability and efficiency. Advanced ongoing app updates and improvements, aligning with user needs and industry standards. Partnered with developers and designers, contributing across various stages of app development. ### Android Mobile Developer - Sancor @ IncluIT Jan 2019 – Jan 2020 Developed, tested, and maintained high-quality Android applications using Java/Kotlin. Collaborated with cross-functional teams to define, design, and ship new features, ensuring alignment with business requirements. Utilized Android SDK, third-party libraries, and RESTful APIs to integrate backend services and enhance app functionality. ### QA Automation Engineer - Avaya Project @ IncluIT Jan 2017 – Jan 2019 | United States Succeeded in designing and developing automation tests using Java, integrating frameworks like Robot and Cucumber. Adopted Test-Driven Development (TDD) methodologies to ensure high-quality and efficient test coverage. Leveraged Python to enhance test automation processes, improving test accuracy and efficiency. Applied Winium for automating Windows applications in testing scenarios and utilized Jira for effective project management and team collaboration. Administered code and documentation with GIT, maintaining a consistent and organized development environment. ### Programming Instructor - Comprehensive Courses in Software Development @ Gmaj Center Jan 2020 – Jan 2021 Instructed over 400 students on fundamental programming principles, establishing a strong foundation in software development concepts. Delivered in-depth instruction in Object-Oriented Programming, enhancing students' understanding of complex programming paradigms. Taught GIT usage for version control, emphasizing best practices in collaborative software development. Provided specialized training in Flutter and Dart mobile application development. ### Flutter Developer - Sports Community App @ Alternativas Inteligentes S.A. Jan 2019 – Jan 2020 Developed cross-platform mobile applications using Flutter, ensuring smooth experiences on both iOS and Android platforms. Conceptualized and brought various applications to life, actively participating in all development phases from design to deployment in collaboration with developers and designers. ## Education ### Engineer’s Degree in Information Systems Engineering Universidad Tecnológica Nacional Jan 2012 – Jan 2018 ### High School in English Instruction Program IICANA Jan 2009 – Jan 2015 ## Contact & Social - LinkedIn: https://linkedin.com/in/krupikivan - Website: https://krupikivan.github.io/ivan-krupik-portfolio/ --- Source: https://flows.cv/ivankrupik JSON Resume: https://flows.cv/ivankrupik/resume.json Last updated: 2026-03-22