Oleh

OLEH BYDLOVSKYI
Senior Full-Stack Developer | Team Lead
Varna, Bulgaria | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section) | https://github.com/bydlovskyi
Authorized to work in Bulgaria — no work permit or sponsorship required | Open to remote roles across Europe

PROFESSIONAL SUMMARY
Senior Full-Stack Developer and Team Lead with 5+ years building production web applications in TypeScript across
Vue.js/Nuxt on the frontend and Node.js (Fastify) on the backend. Lead a team of 3 engineers, architect serverless and
multi-tenant systems on AWS and Supabase with PostgreSQL and Drizzle ORM, and deliver products across fintech, e-
commerce and SaaS — including AI-assisted financial reporting with the OpenAI SDK and interactive 3D/AR experiences
with Three.js. Track record of mentoring junior developers and owning full product lifecycles in Agile/Scrum environments.

TECHNICAL SKILLS
Languages & Core: TypeScript, JavaScript (ES6+), Node.js, SQL
Frontend: Vue.js (2/3), Nuxt (2/3/4), TypeScript, Three.js, Pinia, Vuex, TanStack Query, Tailwind CSS, SCSS, Vuetify,
PrimeVue, Element Plus, Vue I18n
Backend & APIs: Node.js, Fastify, TypeScript, RESTful APIs, OpenAPI/Swagger, Zod, Drizzle ORM, Prisma, TypeORM,
PostgreSQL
Cloud & DevOps: AWS (Lambda, SQS, Cognito, S3, Secrets Manager, KMS, Amplify), Supabase, Vercel, Docker, CI/CD,
Husky, lint-staged
AI Integration: OpenAI SDK, LLM-assisted report generation, prompt design for production workflows
Testing & Monitoring: Cypress, Vitest, Sentry, Amplitude, Google Analytics, Google Tag Manager
Leadership & Process: Team Leadership, Technical Mentoring, Agile/Scrum, Code Reviews, Stakeholder Communication,
Jira

PROFESSIONAL EXPERIENCE
Softonix (IT Outsourcing) — Full-Stack Developer & Team Lead | Apr 2021 – Present | Remote
• Lead and mentor a team of 3 developers, overseeing sprint workflows, code reviews, and technical growth.
• Architect full-stack TypeScript systems using Node.js (Fastify), Nuxt 4, PostgreSQL, and Drizzle ORM for type-safe data
management.
• Deploy and manage cloud infrastructure on AWS, Supabase, and Vercel, ensuring high availability and automated
CI/CD.
• Deliver high-end interactive 3D/AR web experiences using Three.js.
• Improved Core Web Vitals and performance metrics through strategic migration to Nuxt 4.
• Designed and led internal technical training programs, mentoring 3 graduates who were subsequently hired into
permanent staff positions.
Selected client projects delivered at Softonix:
Softonix / Calende — White-label Booking Platform | Mar 2026 – Present
• Architected a multi-tenant white-label booking system with Nuxt 4, Supabase, PostgreSQL, and Stripe billing.
• Built a type-safe Node.js backend with Drizzle ORM and Zod, implementing real-time scheduling logic.
Softonix / Mitus — Fintech Platform for Australian Farmers | Jan 2025 – Sep 2025
• Architected a serverless TypeScript backend using Node.js (Fastify) on AWS Lambda with Drizzle ORM and Cognito.
• Integrated the OpenAI SDK for automated financial insights, reducing per-client report processing time by approximately
80%.
• Built a robust PDF generation engine with Puppeteer for professional financial statements.
Softonix / Augmento Ecosystem — CRM & AR Platform | Feb 2024 – Present
• Architected a high-load TypeScript monorepo for a CRM and interactive AR applications supporting 5,000–10,000
concurrent users, using Vue 3, Three.js, and Mapbox GL.
• Built a PWA with offline functionality and background sync via Workbox.
Softonix / Medihuanna — E-Learning Platform | Jan 2023 – Nov 2023
• Led a team of 3 junior engineers, overseeing sprint planning, code reviews, and technical mentoring.

• Architected an interactive e-learning platform with Zoom WebSDK for live virtual classrooms.
Softonix / Wawibox — B2B Marketplace | Sep 2022 – May 2023
• Built a B2B marketplace with Algolia Search, Contentful CMS, and ApexCharts procurement dashboards.
Softonix / Muso.ai — Music Analytics Dashboard | Apr 2021 – Sep 2022
• Developed an analytics dashboard aggregating data from Spotify, SoundCloud, TikTok, and YouTube using Chart.js
and Vuex.

Independent Contractor — Frontend Developer | Nov 2023 – May 2024 | Part-time, concurrent with Softonix
External freelance engagements delivered alongside the primary role above:
Freelance / Selecto (ZBX) — Crypto Trading & KYC Platform | Nov 2023 – Feb 2024
• Engineered secure KYC/verification flows using the Sumsub SDK and end-to-end encryption (Crypto-js, JSEncrypt).
• Built a real-time cryptocurrency trading dashboard with PrimeVue and Vitest test coverage.
Freelance / Onlymonster — Cross-Platform Desktop App | Feb 2024 – May 2024
• Developed a cross-platform Electron.js desktop application with a secure distribution pipeline, code signing, and auto-
updates.

OPEN-SOURCE PROJECT
AWS Image Processing Pipeline | github.com/bydlovskyi/lambda-images
• Serverless image pipeline in TypeScript on AWS CDK: presigned S3 uploads with signed content-type and size limits,
SQS-driven resizing with Sharp, and processing status in DynamoDB.
• Dead-letter queue with retry limits and separate handling for permanent versus transient failures; least-privilege IAM
scoped per prefix.
• 32 unit tests (Vitest) and a GitHub Actions pipeline running typecheck, tests, and CDK synth on every push.

EDUCATION
B.Sc. in Finance | Ivan Franko National University of Lviv | Sep 2020 – Jun 2023
M.Sc. in Polymer Engineering and Processing | Lviv Polytechnic National University | Sep 2024 – Dec 2025

LANGUAGES
Ukrainian — Native | English — Upper-Intermediate (B2)