I’m a results-driven software engineer specializing in front-end and back-end development, automation, and integrations. I enjoy building reliable, scalable solutions that empower teams and users. With a strong background in JavaScript/TypeScript, Node.js, React, and Python, I integrate third-party APIs, optimize data workflows, and contribute to production environments within cross-functional engineering teams. I value maintainability, reliability, and incremental delivery.

Andrii Kovalenko

I’m a results-driven software engineer specializing in front-end and back-end development, automation, and integrations. I enjoy building reliable, scalable solutions that empower teams and users. With a strong background in JavaScript/TypeScript, Node.js, React, and Python, I integrate third-party APIs, optimize data workflows, and contribute to production environments within cross-functional engineering teams. I value maintainability, reliability, and incremental delivery.

Available to hire

I’m a results-driven software engineer specializing in front-end and back-end development, automation, and integrations. I enjoy building reliable, scalable solutions that empower teams and users.

With a strong background in JavaScript/TypeScript, Node.js, React, and Python, I integrate third-party APIs, optimize data workflows, and contribute to production environments within cross-functional engineering teams. I value maintainability, reliability, and incremental delivery.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Work Experience

Full-Stack Developer at Onseo
June 1, 2021 - October 1, 2025
Built and maintained internal tools used by operations and support teams. Implemented backend components in Node.js and improved SQL-based workflows for reporting. Developed UI features in React and optimized component performance. Worked with engineering leads to estimate feature requirements and validate deployments for internal users. Integrated OpenAI API for messaging analysis, generating responses, and summarizing customer interactions.
Automation Engineer at Tech Nova Digital Solutions
May 1, 2018 - April 1, 2021
Developed AI-powered CRM features including automated chat responses and lead-routing workflows. Built automation pipelines using n8n and Zapier to reduce manual tasks across support teams. Maintained and documented REST API endpoints supporting internal dashboards. Collaborated with design and product to plan new features and improve existing user flows.
Full-Stack Developer at Intellects of UA
February 1, 2017 - March 1, 2018
Developed backend microservices using Java (Spring Boot) and Node.js. Built data-processing jobs and optimized SQL queries for internal dashboards. Contributed to REST API documentation and code-review processes. Assisted with Docker-based deployments and basic Kubernetes operations. Worked closely with product managers to estimate tasks and deliver sprint commitments.

Education

Bachelor of Computer Science at Odessa I.I. Mechnikov National University
January 1, 2013 - January 1, 2016

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet
    paper HIPAA-Compliant MobileWoundCare App with AI Transcription&EMR Integrat

    Engineered HIPAA-compliant mobile app (iOS/Android) for wound care with AI-powered transcription and EMR integration. Transformed 2+ hour manual documentation process into 15-20 minutes using Deepgram AI. Implemented offline-first React+Capacitor with AWS backend, achieving 7x faster patient registration via AI email parsing. Built comprehensive security: AES-256 encryption, TLS 1.3, MFA, 7-year audit trails. Integrated ECW EMR with automatic route optimization. Cost-effective scaling: $750-850/month for 100 providers. Delivered complete technical architecture and phased roadmap.

    paper Food Delivery System

    Developed a robust food delivery platform similar to Foodpanda, using React Native (Expo) for three apps: user, rider, and vendor. Key features include real-time order tracking, secure payment integration, dynamic geolocation for deliveries, and vendor management. Ensured seamless functionality across all apps, delivering a user-friendly experience. This system significantly streamlined food delivery processes and enhanced customer satisfaction.

    paper AI-Powered Gmail Reply & Lead Handler

    Gmail trigger (new incoming email) → Code node parses sender, subject, body, attachments → Generate random delay (1–5 min to mimic human timing & avoid spam flags) → Lookup matching lead/contact in CRM/database (via search/record) → Filter node (skip if no match / already handled / spam) → Master AI Agent (tool-calling LLM like GPT-4o / GPT-4.1) with memory buffer → branches to tools: send_email_reply, update_CRM_record, schedule_event (Google Calendar), create/delete Zoom meeting, query_knowledge_base (RAG), get_calendar_availability → final reply sent or action logged.