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Arkadiusz J. — Senior AWS Cloud Developer from United Kingdom

Arkadiusz J.

Senior AWS Cloud Developer

United Kingdom 6+ years
Open to offersNew to Platform
Languages
EnglishPolish
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About

Arkadiusz J. is a seasoned Senior AWS Cloud Developer & Serverless Engineer based in Newark, UK, with comprehensive expertise spanning over two decades in web development. Specializing in high-throughput AWS ecosystems, he is proficient in leveraging AWS services such as Lambda, DynamoDB, Athena, and Kinesis to optimize and design scalable microservices architecture using TypeScript and Node.js. His work within Agile/Scrum environments emphasizes clean, testable code and the creation of automated CI/CD pipelines, facilitating efficient system performance and problem resolution. At Digi Yeah Ltd, he led the development of a real-time IoT platform and implemented zero-downtime data migration strategies for SaaS and IoT platforms. Prior to this, at Hurricane Commerce Ltd, he enhanced e-commerce compliance solutions through robust serverless microservices and optimized database integrations. His journey also includes pivotal roles at Crowdicity Ltd, where he developed a cloud-native backend platform, and Kukimedia Ltd, focusing on scalable web applications and e-commerce solutions. Arkadiusz holds a background in computer technologies from the Higher School of Informatics and Management in Wroclaw, Poland.

Experience

  • AWS Developer

    Digi Yeah Ltd · 2021 — Present
    Architected scalable microservices using TypeScript/Node.js with AWS Lambda and the Serverless Framework. Designed cloud architectures that utilize SQS, Kinesis, AppSync, AWS S3, and GraphQL for processing high-volume data streams. Led the development of an IoT platform for real-time data monitoring and hardware integration. Established CI/CD pipelines and automated testing frameworks to enhance deployment frequency and reliability. Executed zero-downtime data migration pipelines for live production environments. Offered strategic infrastructure advice to leadership for optimizing service scalability and cost efficiency.

  • AWS Developer

    Hurricane Commerce Ltd · 2019 — 2021
    Developed and maintained serverless microservices in Node.js, ensuring complete unit test coverage with Mocha and Chai. Optimized DynamoDB schemas and integrated data querying solutions using PostgreSQL/MySQL via AWS RDS for high throughput and analytics. Designed and deployed RESTful APIs for global e-commerce compliance. Improved system processing speeds by diagnosing technical errors and optimizing data pipeline execution paths. Streamlined CI/CD workflows to enhance release cycles and reduce manual tasks.

  • Senior Developer

    Crowdicity Ltd · 2015 — 2019
    Conceptualized a cloud-native backend platform using serverless technologies such as AWS Lambda, DynamoDB, and S3, utilizing GraphQL as the primary API layer. Led the migration to a new tech stack by developing backend logic and tools in Node.js (ES6). Maintained quality standards through comprehensive testing strategies. Developed a mobile Single Page Application using Angular.js to improve product accessibility. Managed and secured legacy infrastructure, implementing OAuth 2.0 authentication for existing backend APIs.

  • Application Developer

    Insurance Initiatives · 2014 — 2014
    Refactored an internal project management system, enhancing operational efficiency and scalability. Integrated third-party solutions with Google APIs to automate workflows and improve functionality.

  • Senior Developer

    Kukimedia Ltd / Kuki Ventures Ltd · 2010 — 2014
    Developed scalable web applications using modern frameworks, incorporating ORM and database abstraction layers. Designed relational database schemas and created optimized Data Access Objects. Customized enterprise e-commerce platforms by building bespoke extensions to meet business requirements. Managed Linux servers for security updates, uptime monitoring, and repository configurations.

  • Senior Developer

    Littlefish Support Ltd & Tela Ltd · 2005 — 2010
    Developed complex web applications and various e-commerce environments.

  • Web Developer

    Fleetway Travel plc
    Managed web system environments, backend scripting, and Linux administration tasks.

  • Web Programmer

    eFabrika.pl & Hotdigital.de
    Created tailored web applications and custom e-commerce platforms.

  • Programmer / Web Developer

    Planet Soft
    Focused on e-commerce solutions and technical project management.

Skills & Expertise

DevOps EngineerWeb DeveloperSoftware and Mobile Development

Education

  • Computer technologies in management
    Higher School of Informatics and Management „Copernicus” in Wroclaw, Poland · 2004 — 2006