VPPortfolio

Independent software engineer

Vitalii Pavlii

Senior Full-Stack Software Engineer

Senior full-stack software engineer with 10+ years of experience building reliable software products and distributed systems. I work across backend, frontend, architecture and delivery—from technical design to production releases, observability and performance. I enjoy turning complex workflows into clear, maintainable systems and helping teams deliver with confidence.

Open to opportunitiesEmailLinkedInGitHub
Portrait of Vitalii Pavlii

Designing reliable products, systems and delivery processes.

01 / career

Experience

Senior Full-Stack Software Engineer

Deeplay

High-load real-time platform for distributed client applications and operational workflows.

Key achievements

  • Owned end-to-end delivery across backend, frontend, architecture and DevOps.
  • Designed and built an authorization service, including the permission model, APIs, migrations and admin UI.
  • Contributed to a platform-wide gRPC/Protobuf migration and real-time streaming integrations.
  • Improved reliability and observability with metrics, tracing, alerts and health checks.

Mar 2025 — Aug 2026

Full-time

Senior Full-Stack Software Developer

Akvelon, Inc.

US-based software engineering company delivering products for global technology and enterprise customers.

Key achievements

  • Led a five-engineer team delivering a time-tracking product from API design to release.
  • Built REST APIs with Python and Flask, Vue.js workflows, and Jira integration.
  • Improved React UI performance by 30% and optimized MySQL queries by 70%.
  • Conducted 100+ technical interviews, ran two internships, and mentored five engineers.

Sep 2017 — Jan 2025

Full-time

Senior Software Developer

ATOMYZE LLC

Fintech and blockchain marketplace platform for digitized physical assets and supply-chain contracts.

Key achievements

  • Designed and delivered gRPC microservices for reporting, token, fee and file-storage workflows using TypeScript and Node.js.
  • Expanded unit and integration coverage by 15% and improved PostgreSQL query performance by 20%.
  • Contributed to Angular feature development and cross-team delivery across six teams.

Apr 2022 — Sep 2022

Full-time

Senior Software Development Engineer

Microsoft Azure

Cloud-based process orchestration service for data-center infrastructure automation and capacity lifecycle management.

Key achievements

  • Delivered production features and improvements using C#, .NET and XAML.
  • Implemented and supported workflow automation for infrastructure operations and production rollouts.
  • Increased unit-test coverage from 70% to 85% and supported operational analytics with Azure Kusto queries.

Mar 2021 — Mar 2022

Full-time

Software Development Engineer

Microsoft Dynamics 365

Enterprise retail ERP platform and deployment services for global customers.

Key achievements

  • Delivered features, fixes and code improvements using C#, .NET Core, PowerShell and SQL Server.
  • Contributed to a migration from Azure Automation to Azure Functions, covering 85% of the codebase.
  • Increased unit-test coverage from 75% to 80% and supported pre-release testing.

Mar 2019 — Aug 2019

Full-time

02 / selected work

Projects

Featured project

Personal Portfolio

A production portfolio built as a full-stack application with an editable admin area. It presents experience, selected work and contact details, with a Docker-based deployment and automatic HTTPS.

Next.jsReactTypeScriptTailwind CSSFastAPIPostgreSQLMongoDBDockerCaddy
View project ↗Source ↗

03 / toolkit

Skills

TypeScriptPythonC#Node.jsFastAPIASP.NET CoreReactPostgreSQLMongoDBgRPC / Protocol BuffersMicroservicesEvent-Driven ArchitectureDockerKubernetesCI/CDMicrosoft AzureObservability

Education

  • Mathematician, System Programmer — Yaroslavl Demidov State University (2005–2010)

04 / get in touch

Let’s build something useful.

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