Oskar V.
Senior Software Engineer
Experience
Nov 2024 - Present
1 year 2 monthsSenior Software Engineer
Accenture
- Played key role in developing a SaaS-based AI-powered market insights platform that delivers real-time trend analysis and interactive dashboards for businesses.
- Integrated Ruby on Rails backend with React frontend components, enabling automated reporting pipelines and enhanced visualization of complex datasets.
- Developed and orchestrated AI-driven analytics workflows, resulting in a 30% faster market trend prediction for enterprise clients.
- Configured and maintained AWS Lambda and AWS RDS instances to ensure seamless, scalable, and secure data processing across multiple regions.
- Enhanced user experience by leveraging React Hooks, Context API, and Material-UI, improving interactive dashboards and data accessibility for business analysts.
- Applied RSpec and Capybara testing frameworks to automate unit and integration tests, increasing code reliability and maintainability.
- Optimized Sidekiq background jobs and Redis caching mechanisms, improving task execution efficiency for large-scale report generation.
- Built and deployed microservices using Docker and AWS Elastic Beanstalk, streamlining deployment workflows and reducing manual intervention in production pipelines.
Apr 2022 - Oct 2024
2 years 7 monthsSoftware Engineer
- Developed web and mobile applications supporting healthcare services and e-commerce interactions within Google’s broader product ecosystem.
- Designed scalable Ruby on Rails APIs to integrate patient care management and e-commerce order processing, enabling unified backend operations.
- Enhanced frontend experiences using React, Next.js, and Tailwind CSS, delivering responsive interfaces optimized for web and mobile devices.
- Implemented Redux state management and React Query for asynchronous data fetching, significantly improving UI performance and data consistency.
- Configured and deployed GCP App Engine and Cloud Functions, enabling serverless execution and seamless application scaling.
- Automated unit and end-to-end testing with RSpec, Minitest, and React Testing Library, increasing code reliability by 25%.
- Refactored legacy Rails API endpoints and database queries to improve response time and reduce load times across patient and order data services.
- Integrated third-party healthcare and payment APIs securely using OAuth2 and JSON Web Tokens, ensuring compliance with data privacy regulations.
- Collaborated with data engineers to deploy Firestore for real-time patient tracking and analytics dashboards across multiple healthcare facilities.
- Applied Webpack and Sprockets optimizations to reduce bundle sizes and improve frontend performance for high-traffic e-commerce applications.
- Orchestrated CI/CD pipelines with GitHub Actions and GCP Cloud Build, improving deployment reliability and reducing integration errors.
- Reviewed and debugged cross-platform issues in React and Rails applications, ensuring seamless interoperability across web, iOS, and Android platforms.
Jan 2018 - Feb 2022
4 years 2 monthsSoftware Engineer
Valtech
- Developed and maintained an online learning platform supporting educational institutions and e-learning providers.
- Enhanced backend Ruby on Rails APIs to manage course content, user enrollment, and assessment modules efficiently.
- Applied React with Styled Components and Formik to create dynamic, interactive course dashboards and user interfaces.
- Automated test suites using RSpec and Capybara, improving feature delivery confidence and reducing regression errors.
- Configured AWS S3 for secure storage of educational resources and multimedia content, ensuring reliable data access.
- Optimized frontend performance with React Hooks and Lazy Loading, reducing initial load times by 20%.
- Customized and maintained third-party integrations, including video streaming and SCORM packages, to enhance learning experience.
- Analyzed and refactored backend services for scalability, supporting thousands of concurrent learners without service interruptions.
- Debugged production issues and coordinated release cycles using Docker and AWS Elastic Beanstalk, ensuring smooth deployments.
Jul 2017 - Jan 2018
7 monthsJunior Software Engineer
Coinfirm
- Assisted in developing a fintech platform integrating multiple payment gateways and analytics modules for startup clients.
- Developed foundational Ruby on Rails components for transaction processing and account management, ensuring accurate and secure workflows.
- Worked closely with React frontend team to implement interactive dashboards for financial analytics and user insights.
- Configured Heroku deployment pipelines and monitored system logs, reducing downtime and improving platform reliability by 15%.
Summary
Results-driven Senior Software Engineer with 8+ years of experience delivering scalable Ruby on Rails and Sinatra backend systems while building responsive, maintainable React and Redux frontends for complex web applications.
Skilled in leveraging AWS and GCP cloud services to deploy high-performing, AI-integrated platforms, automate workflows with Sidekiq and ActiveRecord, and enable real-time, data-driven decision-making.
Experienced in designing, refactoring, and optimizing frontend architectures with Next.js and Material-UI, while applying automated testing using RSpec and Capybara to ensure robust, reliable, and maintainable software delivery.
Languages
English
AdvancedEducation
University of Amsterdam
Master’s degree · computer science · Amsterdam, Netherlands
University of Amsterdam
Baster’s degree · computer science · Amsterdam, Netherlands
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