Back to professionals

Javascript Developer & React Developer

Overview


Short Summary

Experienced Fullstack Developer with expertise in TypeScript and JavaScript, specializing in backend infrastructure using AWS services and databases like DynamoDB and PostgreSQL. Proficient in AI-based solutions and Terraform for AWS resource management. Skilled in frontend development with React.js, Next.js, and React Native. Strong background in software architecture design and agile methodologies. Holds a degree in Informatics and has experience as a Lead Web Developer. Passionate about technology, finance, and fitness.

Work Experience

Fullstack Developer 02/2023 - 03/2024 Implemented and maintained backend infrastructure using AWS services like S3 buckets, API Gateway, IAM, AppSync & GraphQL, and TypeScript-based Lambda functions. Managed data in databases such as DynamoDB, OpenSearch, and PostgreSQL. Monitored and optimized system performance using CloudWatch metrics. Analyzed and implemented AI-based solutions, including a customized in-app chat system utilizing OpenAI's ChatGPT with streamed answers, customized data feeds, and tailor-made function calls. Created and maintained AWS resources via Terraform, while working on repositories structured with the NX monorepo system, streamlining development processes and ensuring code quality and efficiency. Collaborated within an agile team environment, contributing to architectural decisions, product documentation, and deployment processes using GitHub actions and workflows.

Frontend Developer 04/2022 - 02/2023 Developed frontend part of modern websites and web applications using TypeScript, React.js, Next.js. Created and styled complex react components for server-side rendered websites, using Strapi CMS or custom backend server running on Node.js. Interacted with APIs and RESTful services, handling and optimizing asynchronous data requests and partial page updates. Participated in software architecture design, collaborating within an agile team utilizing scrum methodologies.

Lead Web Developer 09/2018 - 04/2022 Developed websites using Laravel or CMS systems like WordPress, TYPO3, Craft CMS on backend and Vue.js or React.js on frontend. Optimized code efficiency, cross-browser compatibility, accessibility, SEO, Core web vitals, Page speed insights. Conducted consultations with clients, analyzed product requirements, proposed appropriate solutions, designed software architecture, initialized projects, set up servers and deployment automations. Led the frontend development team consisting of 4 to 5 developers, managed the workload, planned resources, assured code quality, and was responsible for the final product.

Author
Javascript Developer & React Developer
65fc4b3f8f7ebe00016cd048
Freelancer220  / Per day
LevelSENIOR
Roles
Javascript Developer React Developer
Languages
English
Skillset
AI and Machine LearningAWSCMSChatGPTCloudClustersCode ManagementConfluenceContainer Engine SoftwareContainerization SoftwareDatabaseDevOpsDockerFullstackGenerative AIGitHubGitlabGraphQLJavaScriptJiraLaravelMySQLNest.jsPHPPHP CMSPostgreSQLProject Management ToolsReactReact NativeRestSpecificationsTYPO3TerraformToolsTypeScriptVueWordPressnode.js
Localities
RemoteBratislavský kraj