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Location

Poland

Rate

$30  / per hour

Years of experience

9+

About

As a software developer with a passion for both back-end and front-end development, I approach professional challenges holistically, continually broadening my knowledge in all areas of web development. Currently, I work as a Senior Software Developer at intive, collaborating with a global team on BlackBerry's cybersecurity products. My responsibilities include developing UI using TypeScript, React, GraphQL, Apollo Client, and Material UI framework, as well as extending and maintaining AWS-based services using TypeScript, Node.js, Apollo Server, Elasticsearch, and Docker. I thrive in a SCRUM environment, working across different time zones, closely communicating with other teams, and ensuring the quality of our software through extensive testing with Jest, Cypress, and Pact JS. Previously, I worked as a Full-Stack Web Developer at Codemachine, where I focused on cloud-based projects in the telematics, micro mobility, IoT, and logistics industries. I developed services using Google Kubernetes Engine, App Engine, Cloud Functions, and VMs, and built web apps with webpack, TypeScript, modern React, Redux, redux-saga, and Sass. I optimized CI/CD pipelines, defined technical requirements with clients, and designed critical system components using Google Cloud Platform. I am particularly proud of developing a TCP messages broker that processes millions of packets from client vehicles monthly. My earlier experience includes front-end development and freelance web development, where I honed my skills in various technologies and contributed to diverse projects. I hold a Bachelor's degree in Economic Analytics from Wrocław University of Economics, and I am an AWS Certified Solutions Architect.

Tech Stack

Node.js, AWS, Cloud, Git, GraphQL, JavaScript, Redux, Typescript

Experience

  • Full-Stack Development: Design and develop both frontend and backend components of web applications using TypeScript, React, Node.js, and GraphQL. Extend and maintain AWS-based services, ensuring seamless integration and functionality.
  • Cloud Infrastructure Management: Implement and manage cloud-based solutions using AWS and Google Cloud Platform. Develop services with Google Kubernetes Engine, App Engine, Cloud Functions, and VMs. Optimize data storage and retrieval using BigQuery, SQL, and Firestore.
  • Microservices Architecture: Design and implement critical system components following microservices architecture, such as message brokers, REST/RPC services, and data processing pipelines. Develop and maintain systems using Docker, Kubernetes, and Google Cloud Platform products.
  • Continuous Integration/Continuous Deployment (CI/CD): Maintain and optimize CI/CD pipelines using Docker, Docker Compose, Cloud Build, and GitHub Actions. Ensure efficient and reliable deployment processes across different environments.
  • API Development and Integration: Develop and integrate robust APIs for mobile and web applications. Ensure secure and efficient data handling and communication between services, leveraging RESTful APIs and other integration methods.
  • Testing and Quality Assurance: Implement and conduct unit, integration, and end-to-end tests using Jest, Cypress, Mocha, and SinonJS. Ensure software quality and reliability through extensive testing and validation processes.
  • Collaboration and Communication: Work closely with cross-functional teams, including UX designers, to deliver required functionalities. Communicate effectively with clients to define technical requirements and provide updates. Participate actively in Agile development practices, including SCRUM and Kanban methodologies.

Employment history

Senior Software Developer, intive November 2020 - Present

• Implement and maintain security measures for the web applications and backend services.
• Ensure that cybersecurity protocols are strictly followed to protect sensitive data and maintain system integrity, leveraging BlackBerry’s security guidelines and best practices.
• Monitor and optimize the performance of web applications and backend services.
• Use tools and techniques to profile and improve the efficiency of the codebase, ensuring fast and reliable user experiences across different regions.
• Create and maintain comprehensive documentation for the developed features, codebase, and system architecture.
• Share knowledge and best practices with team members to facilitate continuous learning and improvement within the global team.

Full-Stack Web Developer, Codemachine March 2017 — November 2020

• Develop and implement solutions to integrate IoT devices with cloud-based platforms.
• Ensure seamless data collection, processing, and communication between IoT devices and web applications, particularly for telematics and micro-mobility projects.
• Scalable Architecture Design: Design and develop scalable architectures to handle increasing data volumes and user loads.
• Utilize Google Cloud Platform services and microservices architecture to ensure the system can scale efficiently and maintain high performance under heavy traffic.
• Work closely with clients to understand their unique business needs and provide tailored solutions.
• Offer technical consulting and develop custom features or modifications to existing products, ensuring client satisfaction and project success.

Front-End Developer , Codemachine October 2016 — March 2017

• Ensure that all web applications and static websites are fully responsive and provide an optimal user experience across various devices and screen sizes.
• Utilize CSS frameworks and media queries to create adaptable layouts and components.
• Optimize front-end performance by implementing best practices for loading speed and efficiency: Techniques may include code splitting, lazy loading, minimizing and compressing assets, and using efficient algorithms for data handling and rendering.
• Ensure that web applications and websites are compatible with all major browsers.
• Conduct thorough testing and debugging to address any issues related to browser inconsistencies, ensuring a seamless experience for all users regardless of their browser choice.

Freelance Web Development, May 2015 - April 2016

• Design and develop custom WordPress themes and plugins to meet specific client requirements.
• Ensure the themes are responsive, SEO-friendly, and compatible with various WordPress versions and plugins.
• Work directly with clients to understand their needs, provide technical advice, and manage project timelines. Offer ongoing support and maintenance, ensuring client satisfaction and the successful completion of projects.
• Optimize websites for performance and search engine rankings. Implement best practices for website speed, including image optimization, minifying CSS and JavaScript, and leveraging browser caching.
• Use SEO techniques to improve website visibility and organic search traffic.

Wrocław University of Economics, October 2014 — November 2017

Bachelor of Economic Analytics – Business Data Analyst

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