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Hi, I’m Bohdan Kovalenko. I’m a software engineer with 7+ years of experience designing and delivering scalable, secure, and AI-powered applications across healthcare, insurance, automotive, and e-commerce. I’m passionate about building robust systems and leading cross-functional teams to turn complex requirements into reliable solutions. I specialize in full-stack development with Node.js, React, and Python, and I regularly mentor engineers to improve code quality, system design, and delivery performance. I’ve built HIPAA-compliant platforms and AI-driven solutions that enhance reliability, user engagement, and business outcomes, while maintaining a strong focus on security and compliance.…Hi, I’m Bohdan Kovalenko. I’m a software engineer with 7+ years of experience designing and delivering scalable, secure, and AI-powered applications across healthcare, insurance, automotive, and e-commerce. I’m passionate about building robust systems and leading cross-functional teams to turn complex requirements into reliable solutions. I specialize in full-stack development with Node.js, React, and Python, and I regularly mentor engineers to improve code quality, system design, and delivery performance. I’ve built HIPAA-compliant platforms and AI-driven solutions that enhance reliability, user engagement, and business outcomes, while maintaining a strong focus on security and compliance.

Bohdan Kovalenko

Full Stack Developer, Web Developer, Back-End Developer, +2

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Hi, I’m Bohdan Kovalenko. I’m a software engineer with 7+ years of experience designing and delivering scalable, secure, and AI-powered applications across healthcare, insurance, automotive, and e-commerce. I’m passionate about building robust systems and leading cross-functional teams to turn complex requirements into reliable solutions. I specialize in full-stack development with Node.js, React, and Python, and I regularly mentor engineers to improve code quality, system design, and delivery performance. I’ve built HIPAA-compliant platforms and AI-driven solutions that enhance reliability, user engagement, and business outcomes, while maintaining a strong focus on security and compliance.…Hi, I’m Bohdan Kovalenko. I’m a software engineer with 7+ years of experience designing and delivering scalable, secure, and AI-powered applications across healthcare, insurance, automotive, and e-commerce. I’m passionate about building robust systems and leading cross-functional teams to turn complex requirements into reliable solutions. I specialize in full-stack development with Node.js, React, and Python, and I regularly mentor engineers to improve code quality, system design, and delivery performance. I’ve built HIPAA-compliant platforms and AI-driven solutions that enhance reliability, user engagement, and business outcomes, while maintaining a strong focus on security and compliance.

Available to hire

Hi, I’m Bohdan Kovalenko. I’m a software engineer with 7+ years of experience designing and delivering scalable, secure, and AI-powered applications across healthcare, insurance, automotive, and e-commerce. I’m passionate about building robust systems and leading cross-functional teams to turn complex requirements into reliable solutions.

I specialize in full-stack development with Node.js, React, and Python, and I regularly mentor engineers to improve code quality, system design, and delivery performance. I’ve built HIPAA-compliant platforms and AI-driven solutions that enhance reliability, user engagement, and business outcomes, while maintaining a strong focus on security and compliance.

Skills

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Work Experience

Senior Software Engineer at Itransition

February 1, 2025 - September 16, 2025

Led the redesign and development of a vehicle damage and maintenance platform using Next.js, Tailwind CSS, Shadcn UI, FastAPI, GraphQL, and PostgreSQL with Drizzle ORM; scaled to 8,000+ vehicles and 25,000 claims/month with improved real-time visibility. Built a healthcare AI PoC platform with Angular frontend and Java backend on AWS, integrating OpenAI fine-tuning workflows and Azure Cognitive Search for scalable, retrainable medical Q&A. Architected an event-driven system using Kafka to deliver real-time updates on claim statuses, image uploads, and repair progress, reducing downtime from 8 hours/month to under 1 hour. Implemented an AI-powered healthcare chatbot with LangGraph, integrating OpenAI models with medical knowledge bases while ensuring compliance with medical disclaimers and secure data handling. Deployed solutions on AWS (EC2, RDS, S3, CloudFront) ensuring scalability, security, and HIPAA/compliance for sensitive medical data. Reduced PR review time by 40% by auto-summar

Full Stack Engineer (Eligible) at Itransition

August 1, 2022 - September 16, 2025

Co-led development of a full-stack MERN platform to automate medical billing: built Node.js/Python backend services and React frontend, automating insurance claims submissions, eligibility checks, and online patient billing. Designed and implemented secure RESTful APIs (hosted on AWS) to integrate EHR systems (FHIR/HL7 data) with billing engine, enabling real-time eligibility verification, scheduling, and clinical workflow features. Built a HIPAA-compliant backend with AES-256 encryption, audit logging, and advanced security controls (SOC II Type 2 certified). Applied ML and data analytics to billing workflows, implementing models for claim validation and denial prediction, lowering average rejection rates. Enhanced user-facing applications with React dashboards and patient portals featuring embeddable cost-estimator widgets and real-time eligibility displays.

Web Application Developer at Deliveroo

April 1, 2020 - September 16, 2025

Developed new features for Deliveroo’s consumer web application using React.js, including responsive menu interfaces and real-time order tracking components. Built and enhanced the Restaurant Partner Hub (React) for merchants to manage menus, promotions, and orders in real time, integrating charting libraries and state management for sales analytics and instant order status. Connected the front-end with Node.js/Express REST APIs for order and payment processing, collaborating with backend engineers to design efficient endpoints, caching strategies, and resilient error handling to ensure reliable checkout flows.