# Sergii Cherbadzhy > Senior Software Engineer | Backend, Distributed Systems, AWS | AI-powered Systems, n8n, LLM Integration | TypeScript & Python Location: Saint Johns, Florida, United States Profile: https://flows.cv/sergiicherbadzhy I’m a Senior Software Engineer with 10 years of experience designing scalable backend systems, distributed cloud architecture, and production-ready AI features. I specialize in TypeScript, Node.js, Python, AWS, microservices, automation platforms, and LLM-powered systems. My work spans from high-load backend engineering to building AI infrastructure adopted across entire engineering teams. I’ve solved major reliability and performance challenges, re-architected systems used by thousands of users, and delivered automation and AI tooling that reduces engineering effort by 60%+. I enjoy: • Building resilient cloud infrastructure (AWS Lambda, SQS, RDS, DynamoDB, CloudFront, Step Functions) • Designing reliable backend services and microservices • Designing database schemas • Improving system performance, reducing costs, and eliminating bottlenecks • Leading technical direction and mentoring engineers If you’re building complex systems, automation platforms, or AI-powered products — I’d love to connect. ## Work Experience ### Senior Software Engineer @ Mabbly Jan 2024 – Present | Saint Johns, Florida, United States Full-stack engineer responsible for designing, developing, and maintaining scalable backend services, modern web applications, and AI-powered features. Work across the stack using TypeScript, Node.js, Python, React/Next.js, and AWS to deliver reliable production systems and internal tooling. - Backend Development: Build and maintain Node.js/TypeScript and Python services, REST APIs, integrations, and data-processing pipelines. - Frontend Engineering: Develop and extend React/Next.js applications for dashboards, internal tools, and client-facing features. - Cloud Architecture (AWS): Design and deploy scalable components using Lambda, SQS, S3, API Gateway, RDS/DynamoDB, and CloudFront. - Workflow Orchestration (n8n): Create and maintain automation workflows and backend orchestration logic to streamline operations and accelerate development. - Performance & Reliability: Identify bottlenecks, implement fault-tolerant patterns, and ensure strong monitoring, alerting, and system reliability. - Cross-Functional Collaboration: Work with designers, PMs, and engineers to deliver features end-to-end and maintain engineering quality. ### Lead Software Engineer @ ProHabits Jan 2018 – Jan 2025 | Saint Johns, Florida, United States Using: - TypeScript - ReactJS (Redux) - Jest - Cypress - NestJS(TypeScript) - AWS Services ### Microsoft Teams Developer @ ProHabits Jan 2022 – Jan 2024 | St. Johns County, Florida, United States Creating Microsoft Teams Application ### Technical Team Lead @ ProHabits Jan 2020 – Jan 2024 | Saint Johns, Florida, United States ### Javascript Developer @ Megasoft ltd Jan 2016 – Jan 2018 Development, implementation and maintenance of billing systems. Main tasks: - ReactJS coding - UX design - jQuery - EasyUI framework - HTML, CSS, JS coding ### Ruby On Rails Developer @ Megasoft ltd Jan 2016 – Jan 2017 Development, implementation and maintenance of billing systems. Main tasks: - development new applications - expansion of the functionality of existing applications - design of database ### Freelance Web Developer @ Freelance Jan 2015 – Jan 2017 Website development with Joomla, WordPress - ReactJS coding - HTML, CSS, JS coding - SEO - targeted advertising ## Education ### Engineer's degree in Automobiles and Automobile Economy Donbas National Academy of Civil Engineering and Architecture Jan 2007 – Jan 2014 ## Contact & Social - LinkedIn: https://linkedin.com/in/cherbadzhy --- Source: https://flows.cv/sergiicherbadzhy JSON Resume: https://flows.cv/sergiicherbadzhy/resume.json Last updated: 2026-03-22