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Backend-програміст
- Considering positions:
- Backend-програміст, Full stack розробник
- City of residence:
- Uzhhorod
- Ready to work:
- Remote
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PETRO SHVED
SENIOR BACKEND ENGINEER | NODE.JS · TYPESCRIPT · NESTJS
Košice, Slovakia | Open to remote roles across the EU
[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) | Telegram: @peter_shved
PROFESSIONAL SUMMARY
Backend-focused Software Engineer with 8+ years of professional experience building and scaling Node.js and TypeScript applications across
fintech, mobile gaming, e-commerce, logistics and healthcare. Strong hands-on experience with NestJS, PostgreSQL, Redis, event-driven
microservices and AWS. Experienced in payment integrations, production troubleshooting, observability and performance optimization. Former team
lead and technical interviewer, with additional full-stack delivery experience using React.
SELECTED IMPACT
• Reduced critical API response times from 33–40 seconds to 2–3 seconds through MongoDB data-model and query optimization.
• Built a fintech invoice module adopted by 60%+ of customers, processing over $400K in transactions in its first year.
• Built chatbot and messaging systems handling 1,000+ messages per minute across multiple messaging platforms.
• Built a full-stack CRM from scratch as the sole developer, including backend, React frontend, Telegram bot and infrastructure.
TECHNICAL SKILLS
Backend: Node.js, TypeScript, JavaScript (ES6+), NestJS, Express, Fastify, Koa, REST APIs, GraphQL, Microservices, Event-Driven Architecture,
Serverless
Messaging & jobs: RabbitMQ, NATS, BullMQ
Databases: PostgreSQL, MongoDB, MySQL, DynamoDB, Redis, Prisma, TypeORM
Cloud & DevOps: AWS (ECS, S3, SES, DynamoDB, CloudWatch, Rekognition), Docker, Kubernetes, CI/CD, GitHub Actions, NGINX
Observability & testing: Grafana, OpenTelemetry (OTLP), logging, monitoring, Jest, Mocha, Chai, unit testing
Frontend & integrations: React, HTML, CSS, Tailwind CSS, Backbone.js, PayPal, Wise, SendGrid, Mailchimp/Mandrill, OAuth, Dialogflow, Telegram
Bot API
AI-assisted tools: Claude Code, Cursor, GitHub Copilot, MCP, LLM API integrations
PROFESSIONAL EXPERIENCE
Full-Stack Developer | Baterka 06/2026 – 10/2026
• Built a full-stack CRM from scratch as the sole developer for an auto-battery service chain, delivering the backend API, React frontend, Telegram bot
and infrastructure.
• Designed order management, technician dispatch via Telegram bot, address lookup with map view, and multi-shop role-based access control.
• Implemented BullMQ-based SMS workflows with quiet-hours scheduling and bulk campaigns, plus audit logging, sales and warranty tracking, MinIO
photo storage and real-time status sync.
• Tech: NestJS, TypeScript, TypeORM, PostgreSQL, Redis, BullMQ, React, Tailwind CSS, Grammy.js, MinIO, Docker.
Backend Software Engineer | EX2Team 08/2025 – 04/2026
• Delivered a scalable NestJS/GraphQL backend for mobile gaming, optimizing user and lobby state with Redis and integrating Balancy for live-ops
management.
• Led diagnosis and resolution of production issues across distributed services; established cross-client logging and monitoring with Grafana.
• Refactored legacy ERP budget logic using AI-assisted development tools.
• Tech: Node.js, NestJS, GraphQL, TypeScript, Redis, Grafana, Balancy.
Backend Software Engineer | Genie Solution 12/2024 – 08/2025
• Developed and stabilized microservices for an online-store generation platform, supporting high-throughput messaging, routing and dynamic file
generation.
• Implemented incremental static-page regeneration and Brotli compression; kept generated site weight below 700 KB including media.
• Added OpenTelemetry tracing/logging, automated ACME SSL certificate issuance and Jest unit tests.
• Tech: Node.js, Fastify, PostgreSQL, Prisma, TypeORM, NATS, Redis, BullMQ, S3/MinIO, SendGrid, AJV, Jest.
Backend Software Engineer | BeLikeTech 01/2023 – 06/2024
• Engineered the core Invoice module for the Zeller banking platform, enabling invoice creation and PDF generation; adopted by 60%+ of customers and
processing over $400K in transactions in its first year.
• Built on serverless architecture using NestJS, AWS SES, DynamoDB and PostgreSQL, with CI/CD via GitHub Actions and Jest testing.
• Integrated Wise, Pring and PayPal payouts; reworked transaction storage for multiple providers, refactored OAuth, implemented GDPR data handling
and delivered logistics/admin APIs.
• Set up development, staging and production environments with Docker and Kubernetes; handled releases, migrations and production fixes.
• Tech: Node.js, TypeScript, NestJS, Java, PostgreSQL, AWS, Docker, Kubernetes, PayPal, Wise, Mandrill, GitHub Actions, Jest.
Backend Software Engineer | GlobalLogic Ukraine 11/2020 – 01/2023
• Built NestJS and PostgreSQL microservices for an enterprise sports application providing match schedules and live-stream generation.
• Implemented RabbitMQ-based service communication and Redis caching; optimized PostgreSQL queries and application performance.
• Conducted technical interviews for backend candidates.
• Tech: Node.js, NestJS, TypeScript, PostgreSQL, RabbitMQ, Redis.
JavaScript Developer | Confidential Company (NDA) 09/2019 – 01/2020
• Built a chat-based user communication flow for a medical project, including an Alexa Skill chatbot connected to an existing ML system.
• Tech: Node.js, AWS (ECS, S3, DynamoDB, CloudWatch), Dialogflow, RabbitMQ.
Backend Software Engineer / Team Lead | Chatbots.Studio 07/2018 – 08/2019
• Led and mentored a team while delivering chatbot products using Node.js and AWS Rekognition.
• Built an embeddable FAQ chatbot used by 30+ clients and a multi-messenger platform supporting Viber, Telegram, WhatsApp, WeChat, Discord,
Facebook Messenger and web chat.
• Designed message processing that handled 1,000+ messages per minute; integrated a third-party VoIP service for voice responses.
• Tech: Node.js, AWS Rekognition, RabbitMQ, Redis, NGINX, Microsoft Bot Framework.
PETRO SHVED | SENIOR BACKEND ENGINEER | 1
Backend Software Engineer | Foxtrapp 02/2017 – 07/2018
• Reduced critical API response times from 33–40 seconds to 2–3 seconds by redesigning MongoDB data structures and optimizing queries.
• Built ERP functionality for employee KPI tracking and task assignment; led development and client requirements gathering for a logistics platform
integrated with an ERP system.
JavaScript Developer | WallTree 08/2016 – 02/2017
• Built a short-video application backend for upload, storage and editing, and a ticket-scanning web application.
• Tech: Node.js (Koa, Express), MongoDB, MySQL, Backbone.js, Mocha, Chai.
JavaScript Developer | Freelance 03/2015 – 07/2016
• Developed a museum website with an exhibit catalogue and an administration interface.
• Tech: PHP, Backbone.js, HTML, CSS, MySQL.
EDUCATION
Master’s Degree in Computer Software Engineering | Uzhhorod National University | 12/2023
LANGUAGES
English (B2) | Ukrainian (Native) | Russian (Advanced) | Slovak (A1)
PETRO SHVED | SENIOR BACKEND ENGINEER | 2
SENIOR BACKEND ENGINEER | NODE.JS · TYPESCRIPT · NESTJS
Košice, Slovakia | Open to remote roles across the EU
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PROFESSIONAL SUMMARY
Backend-focused Software Engineer with 8+ years of professional experience building and scaling Node.js and TypeScript applications across
fintech, mobile gaming, e-commerce, logistics and healthcare. Strong hands-on experience with NestJS, PostgreSQL, Redis, event-driven
microservices and AWS. Experienced in payment integrations, production troubleshooting, observability and performance optimization. Former team
lead and technical interviewer, with additional full-stack delivery experience using React.
SELECTED IMPACT
• Reduced critical API response times from 33–40 seconds to 2–3 seconds through MongoDB data-model and query optimization.
• Built a fintech invoice module adopted by 60%+ of customers, processing over $400K in transactions in its first year.
• Built chatbot and messaging systems handling 1,000+ messages per minute across multiple messaging platforms.
• Built a full-stack CRM from scratch as the sole developer, including backend, React frontend, Telegram bot and infrastructure.
TECHNICAL SKILLS
Backend: Node.js, TypeScript, JavaScript (ES6+), NestJS, Express, Fastify, Koa, REST APIs, GraphQL, Microservices, Event-Driven Architecture,
Serverless
Messaging & jobs: RabbitMQ, NATS, BullMQ
Databases: PostgreSQL, MongoDB, MySQL, DynamoDB, Redis, Prisma, TypeORM
Cloud & DevOps: AWS (ECS, S3, SES, DynamoDB, CloudWatch, Rekognition), Docker, Kubernetes, CI/CD, GitHub Actions, NGINX
Observability & testing: Grafana, OpenTelemetry (OTLP), logging, monitoring, Jest, Mocha, Chai, unit testing
Frontend & integrations: React, HTML, CSS, Tailwind CSS, Backbone.js, PayPal, Wise, SendGrid, Mailchimp/Mandrill, OAuth, Dialogflow, Telegram
Bot API
AI-assisted tools: Claude Code, Cursor, GitHub Copilot, MCP, LLM API integrations
PROFESSIONAL EXPERIENCE
Full-Stack Developer | Baterka 06/2026 – 10/2026
• Built a full-stack CRM from scratch as the sole developer for an auto-battery service chain, delivering the backend API, React frontend, Telegram bot
and infrastructure.
• Designed order management, technician dispatch via Telegram bot, address lookup with map view, and multi-shop role-based access control.
• Implemented BullMQ-based SMS workflows with quiet-hours scheduling and bulk campaigns, plus audit logging, sales and warranty tracking, MinIO
photo storage and real-time status sync.
• Tech: NestJS, TypeScript, TypeORM, PostgreSQL, Redis, BullMQ, React, Tailwind CSS, Grammy.js, MinIO, Docker.
Backend Software Engineer | EX2Team 08/2025 – 04/2026
• Delivered a scalable NestJS/GraphQL backend for mobile gaming, optimizing user and lobby state with Redis and integrating Balancy for live-ops
management.
• Led diagnosis and resolution of production issues across distributed services; established cross-client logging and monitoring with Grafana.
• Refactored legacy ERP budget logic using AI-assisted development tools.
• Tech: Node.js, NestJS, GraphQL, TypeScript, Redis, Grafana, Balancy.
Backend Software Engineer | Genie Solution 12/2024 – 08/2025
• Developed and stabilized microservices for an online-store generation platform, supporting high-throughput messaging, routing and dynamic file
generation.
• Implemented incremental static-page regeneration and Brotli compression; kept generated site weight below 700 KB including media.
• Added OpenTelemetry tracing/logging, automated ACME SSL certificate issuance and Jest unit tests.
• Tech: Node.js, Fastify, PostgreSQL, Prisma, TypeORM, NATS, Redis, BullMQ, S3/MinIO, SendGrid, AJV, Jest.
Backend Software Engineer | BeLikeTech 01/2023 – 06/2024
• Engineered the core Invoice module for the Zeller banking platform, enabling invoice creation and PDF generation; adopted by 60%+ of customers and
processing over $400K in transactions in its first year.
• Built on serverless architecture using NestJS, AWS SES, DynamoDB and PostgreSQL, with CI/CD via GitHub Actions and Jest testing.
• Integrated Wise, Pring and PayPal payouts; reworked transaction storage for multiple providers, refactored OAuth, implemented GDPR data handling
and delivered logistics/admin APIs.
• Set up development, staging and production environments with Docker and Kubernetes; handled releases, migrations and production fixes.
• Tech: Node.js, TypeScript, NestJS, Java, PostgreSQL, AWS, Docker, Kubernetes, PayPal, Wise, Mandrill, GitHub Actions, Jest.
Backend Software Engineer | GlobalLogic Ukraine 11/2020 – 01/2023
• Built NestJS and PostgreSQL microservices for an enterprise sports application providing match schedules and live-stream generation.
• Implemented RabbitMQ-based service communication and Redis caching; optimized PostgreSQL queries and application performance.
• Conducted technical interviews for backend candidates.
• Tech: Node.js, NestJS, TypeScript, PostgreSQL, RabbitMQ, Redis.
JavaScript Developer | Confidential Company (NDA) 09/2019 – 01/2020
• Built a chat-based user communication flow for a medical project, including an Alexa Skill chatbot connected to an existing ML system.
• Tech: Node.js, AWS (ECS, S3, DynamoDB, CloudWatch), Dialogflow, RabbitMQ.
Backend Software Engineer / Team Lead | Chatbots.Studio 07/2018 – 08/2019
• Led and mentored a team while delivering chatbot products using Node.js and AWS Rekognition.
• Built an embeddable FAQ chatbot used by 30+ clients and a multi-messenger platform supporting Viber, Telegram, WhatsApp, WeChat, Discord,
Facebook Messenger and web chat.
• Designed message processing that handled 1,000+ messages per minute; integrated a third-party VoIP service for voice responses.
• Tech: Node.js, AWS Rekognition, RabbitMQ, Redis, NGINX, Microsoft Bot Framework.
PETRO SHVED | SENIOR BACKEND ENGINEER | 1
Backend Software Engineer | Foxtrapp 02/2017 – 07/2018
• Reduced critical API response times from 33–40 seconds to 2–3 seconds by redesigning MongoDB data structures and optimizing queries.
• Built ERP functionality for employee KPI tracking and task assignment; led development and client requirements gathering for a logistics platform
integrated with an ERP system.
JavaScript Developer | WallTree 08/2016 – 02/2017
• Built a short-video application backend for upload, storage and editing, and a ticket-scanning web application.
• Tech: Node.js (Koa, Express), MongoDB, MySQL, Backbone.js, Mocha, Chai.
JavaScript Developer | Freelance 03/2015 – 07/2016
• Developed a museum website with an exhibit catalogue and an administration interface.
• Tech: PHP, Backbone.js, HTML, CSS, MySQL.
EDUCATION
Master’s Degree in Computer Software Engineering | Uzhhorod National University | 12/2023
LANGUAGES
English (B2) | Ukrainian (Native) | Russian (Advanced) | Slovak (A1)
PETRO SHVED | SENIOR BACKEND ENGINEER | 2
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The candidate's resume is posted at https://www.work.ua/resumes/20794276/