Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Viktar Navumau, a Senior .NET Developer with 5 years of experience building scalable backend services and cloud-based solutions. I specialize in .NET 6+, .NET Core, Azure services (Blob storage, ServiceBus, AppInsights), and I enjoy turning complex domain logic into clean, maintainable code. I’ve delivered high-traffic applications for diverse industries such as IoT, delivery, construction, education, and legal across the USA and EU. I’m passionate about best practices (SOLID, DRY, KISS), design patterns, DDD, microservices, and continuous improvement through CI/CD and automated testing.…I'm Viktar Navumau, a Senior .NET Developer with 5 years of experience building scalable backend services and cloud-based solutions. I specialize in .NET 6+, .NET Core, Azure services (Blob storage, ServiceBus, AppInsights), and I enjoy turning complex domain logic into clean, maintainable code. I’ve delivered high-traffic applications for diverse industries such as IoT, delivery, construction, education, and legal across the USA and EU. I’m passionate about best practices (SOLID, DRY, KISS), design patterns, DDD, microservices, and continuous improvement through CI/CD and automated testing.

Viktar Navumau

Back-End Developer, Front-End Developer, Database Developer, +6





I'm Viktar Navumau, a Senior .NET Developer with 5 years of experience building scalable backend services and cloud-based solutions. I specialize in .NET 6+, .NET Core, Azure services (Blob storage, ServiceBus, AppInsights), and I enjoy turning complex domain logic into clean, maintainable code. I’ve delivered high-traffic applications for diverse industries such as IoT, delivery, construction, education, and legal across the USA and EU. I’m passionate about best practices (SOLID, DRY, KISS), design patterns, DDD, microservices, and continuous improvement through CI/CD and automated testing.…I'm Viktar Navumau, a Senior .NET Developer with 5 years of experience building scalable backend services and cloud-based solutions. I specialize in .NET 6+, .NET Core, Azure services (Blob storage, ServiceBus, AppInsights), and I enjoy turning complex domain logic into clean, maintainable code. I’ve delivered high-traffic applications for diverse industries such as IoT, delivery, construction, education, and legal across the USA and EU. I’m passionate about best practices (SOLID, DRY, KISS), design patterns, DDD, microservices, and continuous improvement through CI/CD and automated testing.

Available to hire

I’m Viktar Navumau, a Senior .NET Developer with 5 years of experience building scalable backend services and cloud-based solutions. I specialize in .NET 6+, .NET Core, Azure services (Blob storage, ServiceBus, AppInsights), and I enjoy turning complex domain logic into clean, maintainable code.

I’ve delivered high-traffic applications for diverse industries such as IoT, delivery, construction, education, and legal across the USA and EU. I’m passionate about best practices (SOLID, DRY, KISS), design patterns, DDD, microservices, and continuous improvement through CI/CD and automated testing.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Intermediate

Russian

Fluent

Work Experience

Team Lead – Fullstack .NET + Angular Engineer at NDA – Lithuania, Vilnius

September 1, 2025 - October 13, 2025

From scratch implemented Microsoft Entra Id login, designed non-standard constructions (Oval, diamond-shaped balconies, trapezoidal shapes), price calculations and restriction checks. Led the transition to Docker containers for scalable deployment. Built and launched CRM subproject with CI/CD, code as documentation, pair programming, and TDD. Contributed to architecture using DDD and Clean Architecture. Mentored four junior developers, conducted onboarding and code reviews. Initiated Selenium-based test automation to reduce bugs.

Backend .NET Engineer III at Innowise Group – USA, Boston

October 1, 2023 - October 13, 2025

Developed and maintained 13 microservices, integrated systems, and managed high-traffic applications handling 3.5k+ requests per second. Achieved 70% unit test coverage for critical components. Implemented multi-trip data processing from IoT devices and redesigned database layer with 20+ prebuilt stored procedures.

.NET Engineer II at Innowise Group – Germany, Frankfurt

January 1, 2022 - October 13, 2025

MS Word plug-in and PDF application; improved OCR data processing with parallelization; implemented libraries for logging, configuration management, and API security in microservices. Automated CI/CD across development, staging and production using shell scripts and Docker.

Backend .NET Engineer I at Innowise Group – UK, London

August 1, 2021 - October 13, 2025

Implemented data migration from Azure Blob Storage to Amazon S3; reduced database load by 20% by refactoring via raw SQL optimization. Participated in architecture discussions using DDD and Clean Architecture; contributed to long-term support of a 9-year-old project.

Team Lead – Fullstack .NET + Angular Engineer at NDA

September 1, 2025 - October 13, 2025

Led a team of developers, migrated server to Docker containers, and launched a CRM subproject. Implemented login with Microsoft Entra Id and designed architectures using DDD/Clean Architecture. Introduced Scrum ceremonies, mentored 4 juniors, and implemented Selenium-based test automation to reduce bugs. Built frontend with Angular and managed deployment pipelines with CI/CD.

Backend .NET Engineer III at Innowise Group

October 1, 2023 - October 13, 2025

Developing and maintaining 13 microservices, integrating systems, and handling high-traffic real-time data streams (3.5k+ RPS). Achieved 70% unit test coverage for critical components; employed DDD and Event Storming to shape architecture and ensured CI/CD readiness with Azure DevOps and semver releases.

NET Engineer II at Innowise Group

January 31, 2022 - October 13, 2025

MS Word plug-in and PDF application development, performance improvements via refactoring; integrated logging and security enhancements in microservices; automated CI/CD across environments and contributed to knowledge management and document workflows.

NET Engineer I at Innowise Group

August 31, 2021 - October 13, 2025

Platform for schools and kindergartens in the UK. Implemented data migration from Azure Blob Storage to Amazon S3; refactored for long-term support using Clean Architecture and DDD; participated in architecture design and client demos.

Team Lead – Fullstack .NET + Angular Engineer at NDA – Lithuania, Vilnius

September 1, 2025 - October 13, 2025

Web-based software for construction of balconies, windows and doors. The program builds engineering structures, performs general calculations of system parameters and produces production schemes, graphical visualization, and 3D scenes. Responsibilities included designing non-standard constructions, calculating prices, and implementing CI/CD, test automation, and Scrum practices. Led the team in migrating server components to Docker for scalable deployment and mentored four junior developers.

Backend .NET Engineer III at Innowise Group (Outsource) - USA, Boston

October 1, 2023 - October 13, 2025

Developed and maintained 13 microservices, integrated systems, and managed high-traffic applications handling 3.5k+ requests per second. Implemented data processing from IoT devices, introduced DDD, Event Storming, and improved test coverage to 70% for critical components. Automated npm package releases with Azure Pipelines and established CI/CD pipelines.

.NET Engineer II at Innowise Group - Germany, Frankfurt

January 1, 2022 - October 13, 2025

MS Word plug-in and PDF application development for term management. Improved performance by refactoring large EF-generated SQL and introduced microservices security improvements and CI/CD automation across environments.

Backend .NET Engineer I at Innowise Group - UK, London

August 1, 2021 - October 13, 2025

Platform for UK schools and kindergartens; data migration from Azure Blob to Amazon S3; architecture design using DDD and Clean Architecture; refactoring for long-term support of a 9-year-old project.