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Tonis Parimets
🇵🇱Poland (UTC+02:00)
Created AtUpstaffer since February, 2026

Tonis Parimets — Senior FullStack Engineer

Expertise in Full Stack Web (8.0 yr.), React Developer (8.0 yr.).

 Last verified on February, 2026

Bio Summary

Senior FullStack Engineer with 8+ years in eCommerce and software development, proficient in JavaScript, TypeScript, React.js, Node.js, Next.js, and Express.js. Skilled in cloud infrastructure using AWS (EC2, S3, Lambda), containerization with Docker and Kubernetes, and database optimization for MongoDB and PostgreSQL. Experienced in CI/CD pipelines (Jenkins, GitLab CI), Agile methodologies, TDD, and microservices architecture. Holds a Bachelor's degree in Computer Science from Tallinn University.

Technical Skills

Programming LanguagesJavaScript, TypeScript
JavaScript Libraries and ToolsBabel, Enzyme, Redux-Saga, Webpack
Mobile Frameworks and LibrariesCrashlytics
JavaScript FrameworksExt JS, NestJS, Node.js, React, Svelte
Databases & Management Systems / ORMMongoDB, MySQL, PostgreSQL, Redis, SQL
UI Frameworks, Libraries, and BrowsersCSS3, HTML5
Cloud Platforms, Services & ComputingGCP, Heroku, Netlify, Vercel
Methodologies, Paradigms and PatternsAgile, Clean Architecture, Kanban, microservices, Scrum, TDD
Deployment, CI/CD & AdministrationAnsible, CD DevOps pipelines, CI/CD, CircleCI, GitLab CI, Jenkins
Version ControlBitBucket, Git, Github Actions
BlockChain and Decentralized SoftwareChai
QA, Test Automation, SecurityCypress, Jest, Mocha
Virtualization, Containers and OrchestrationDocker Swarm, Kubernetes, Terraform
SDK / API and IntegrationsGraphQL, RESTful API
Web/App Servers, MiddlewareNginx
Mail / Network Protocols / Data transferWebSockets
Other Technical SkillsSTLC, Supertest

Work Experience

Web Development Intern, Web Applications Development and Maintenance

Duration: Mar 2015 - Mar 2016
Summary:
  • Partnered with the development team to build and enhance intuitive web applications using React and Node
  • js
  • Contributed to debugging and optimizing code, ensuring a seamless user experience and high performance
  • Aided in the integration of APIs and maintained existing projects, learning industry best practices from senior developers
Responsibilities: Building and enhancing web applications, debugging and optimizing code, API integration, maintaining existing projects.
Technologies: React, Node.js

Junior Web Developer, Web Applications Development and Maintenance

Duration: Mar 2016 - Aug 2019
Summary:
  • Partnered closely with a dynamic team to build and maintain intuitive web applications, ensuring seamless user experiences
  • Utilized modern JavaScript frameworks like React and Node
  • js to develop efficient, scalable solutions
  • Contributed actively to project discussions, offering innovative ideas and fostering a collaborative approach to problem-solving
  • Assisted in debugging and optimizing code to enhance site performance, ensuring smooth functionality for users
  • Supported senior developers in deploying new features and maintaining ongoing projects, acquiring valuable hands-on experience along the way
Responsibilities: Developing and maintaining web applications, contributing to project discussions, debugging and optimizing code, supporting deployment of new features.
Technologies: React, Node.js, JavaScript

FullStack Developer, Scalable Web and Mobile Applications Development

Duration: Sep 2019 - Jul 2022
Summary:
  • Architected and developed scalable web and mobile applications using React and Node
  • js to fulfill diverse client needs
  • Directed the frontend architecture for complex applications, boosting UI performance and accessibility by 30%
  • Engineered a high-performance real-time web application with React
  • js, Node
  • js, and WebSockets, enabling seamless communication and instant data updates for users
  • Collaborated seamlessly with cross-functional teams remotely during COVID-19 to integrate backend APIs, overcoming the challenges of a distributed work environment and enhancing application functionality, resulting in improved system uptime
  • Optimized system performance by refining database queries and implementing CI/CD pipelines, accelerating deployment processes
  • Delivered top-tier solutions on schedule, ensuring client satisfaction and aligning with business objectives
  • Partnered with UI/UX designers to craft a seamless, user-friendly interface while adhering to design best practices
Responsibilities: Architecting and developing web and mobile applications, frontend architecture design, real-time web application development, backend API integration, system performance optimization, CI/CD pipeline implementation, collaboration with UI/UX designers.
Technologies: React.js, Node.js, WebSockets, CI/CD, MongoDB, PostgreSQL

Senior FullStack Engineer, High-Quality Web Applications Development in E-Commerce and Software Development

Duration: Aug 2022 - PRESENT
Summary:
  • Led development teams in delivering high-quality web applications within the eCommerce and software development industries
  • Expert in developing scalable full-stack web applications using React
  • js, Node
  • js, Next
  • js, and Express
  • js, leveraging modern frameworks and libraries
  • Integrated CI/CD pipelines into development processes to automate testing, building, and deployment, using tools such as Jenkins, GitLab CI, and AWS CodePipeline
  • Optimized MongoDB and PostgreSQL databases for performance, ensuring data consistency and efficient querying in production environments
  • Implemented Docker for containerization, ensuring consistent development and production environments, while utilizing Kubernetes for orchestrating containerized applications
  • Utilized AWS for scalable cloud deployments, including services such as EC2, S3, and Lambda to ensure efficient and secure application performance
  • Provided mentorship to junior engineers, promoting knowledge sharing and best practices while maintaining a positive and productive team environment
Responsibilities: Leading development teams, full-stack web application development, CI/CD pipeline integration, database optimization, containerization and orchestration, cloud deployment, mentoring junior engineers.
Technologies: React.js, Node.js, Next.js, Express.js, Jenkins, GitLab CI, AWS CodePipeline, MongoDB, PostgreSQL, Docker, Kubernetes, AWS (EC2, S3, Lambda)

Education

  • Tallinn University
    Bachelor’s Degree in Computer Science
    Sep 2011 - Feb 2015

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