Крауд маркетинг в м. Львів - сторінка 13

Software Engineer with 4 years of commercial experience building scalable backend applications, REST APIs, and third-party integrations. Experienced in designing systems from scratch, optimizing architectures, integrating payment platforms and external services, and delivering reliable, maintainable solutions. Strong expertise in Node.js, NestJS, PostgreSQL, MongoDB, AWS, and OCR technologies. Comfortable performing code reviews, mentoring developers, and contributing to technical leadership. **Experience** Developed and maintained backend systems and web applications for business automation, procurement, and SaaS platforms. Worked as Team Lead on the cross-platform project LeadMeNot, coordinating development, reviewing code, planning features, estimating tasks, and collaborating with cross-functional teams. Designed backend architecture using NestJS, PostgreSQL, and MongoDB, implementing secure REST APIs and scalable business logic. Built integrations with HRIS platforms, Jira, payment providers, AWS services, and other third-party APIs. Implemented OCR document processing using OpenCV and Amazon Textract, optimized database queries, improved application performance, and refactored legacy code. Participated in architecture planning, project initialization, feature development, CI/CD improvements, deployment, and technical decision-making. Developed backend systems for freelance and startup projects, including building a Polish online marketplace from scratch with payment integrations and production deployment. TypeScript, JavaScript, Node.js, NestJS, React.js, Next.js, PostgreSQL, TypeORM, MongoDB, Mongoose, GraphQL, REST API, AWS, Docker, CI/CD, Stripe, Ethers.js, OpenCV, Amazon Textract, OCR, Project Architecture, Database Design, Third-Party API Integration, Performance Optimization, Refactoring, Code Review, Leadership, Agile.