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I'm a software engineer with 15+ years of experience in building scalable backend systems and cloud-based architectures. I specialize in C#/.NET, ASP.NET Core, and delivering robust APIs for gaming and real-money applications. I’ve designed and deployed multi-tier backends, admin interfaces, and CI/CD pipelines, with a strong focus on reliability, performance, and maintainability. In my current role I architect and ship backend services for real-money titles, automate deployment pipelines, and optimize cloud infrastructure. I enjoy turning complex requirements into practical, well-documented software and collaborating with cross-functional teams to create delightful user experiences.…I'm a software engineer with 15+ years of experience in building scalable backend systems and cloud-based architectures. I specialize in C#/.NET, ASP.NET Core, and delivering robust APIs for gaming and real-money applications. I’ve designed and deployed multi-tier backends, admin interfaces, and CI/CD pipelines, with a strong focus on reliability, performance, and maintainability. In my current role I architect and ship backend services for real-money titles, automate deployment pipelines, and optimize cloud infrastructure. I enjoy turning complex requirements into practical, well-documented software and collaborating with cross-functional teams to create delightful user experiences.

Viacheslav Zhyha

Back-End Developer, DevOps Developer, Game Developer, +3

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I'm a software engineer with 15+ years of experience in building scalable backend systems and cloud-based architectures. I specialize in C#/.NET, ASP.NET Core, and delivering robust APIs for gaming and real-money applications. I’ve designed and deployed multi-tier backends, admin interfaces, and CI/CD pipelines, with a strong focus on reliability, performance, and maintainability. In my current role I architect and ship backend services for real-money titles, automate deployment pipelines, and optimize cloud infrastructure. I enjoy turning complex requirements into practical, well-documented software and collaborating with cross-functional teams to create delightful user experiences.…I'm a software engineer with 15+ years of experience in building scalable backend systems and cloud-based architectures. I specialize in C#/.NET, ASP.NET Core, and delivering robust APIs for gaming and real-money applications. I’ve designed and deployed multi-tier backends, admin interfaces, and CI/CD pipelines, with a strong focus on reliability, performance, and maintainability. In my current role I architect and ship backend services for real-money titles, automate deployment pipelines, and optimize cloud infrastructure. I enjoy turning complex requirements into practical, well-documented software and collaborating with cross-functional teams to create delightful user experiences.

Available to hire

I’m a software engineer with 15+ years of experience in building scalable backend systems and cloud-based architectures. I specialize in C#/.NET, ASP.NET Core, and delivering robust APIs for gaming and real-money applications. I’ve designed and deployed multi-tier backends, admin interfaces, and CI/CD pipelines, with a strong focus on reliability, performance, and maintainability.

In my current role I architect and ship backend services for real-money titles, automate deployment pipelines, and optimize cloud infrastructure. I enjoy turning complex requirements into practical, well-documented software and collaborating with cross-functional teams to create delightful user experiences.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Language

English

Advanced

Ukrainian

Fluent

Russian

Fluent

Work Experience

Senior C# .NET Software Engineer at Mia Gaming (Quiiiz Solutions Ltd)

June 1, 2025 - June 1, 2025

Architected and engineered 4+ full-scale backend API servers from concept to deployment using .NET 6+ and ASP.NET Core for casual, real-money quizzes and MMORPG titles. Contributed and deployed numerous mid- to high-complexity features across six existing game backend solutions, enhancing performance, stability in high-traffic multiplayer environments, and boosting user engagement, retention, and gameplay depth. Designed, built, and deployed intuitive web-based administrative panels using Blazor, TypeScript, Node.js, and Webpack, reducing content and game configuration management time by ~30%. Automated the entire software deployment lifecycle by implementing and configuring Jenkins CI/CD pipelines, decreasing manual deployment errors by over 60% and accelerating project delivery. Administered and secured Linux (Ubuntu) servers, configuring Nginx, MongoDB, and PostgreSQL to maintain 99.8% uptime for backend and frontend applications. Optimized AWS cloud infrastructure, managing EC2, S3

Shapr3D Converter Service (Personal Project) at Personal Project

January 1, 2025 - October 29, 2025

Architected and implemented a scalable, fault-tolerant backend for asynchronous 3D model conversions, processing hundreds of thousands of jobs daily. Designed a distributed system comprising a stateless ASP.NET Core API, .NET Worker Service, AWS SQS for job orchestration, S3 with pre-signed URLs for direct-to-cloud uploads, and PostgreSQL. Implemented resilience patterns such as visibility heartbeats and exponential backoff, and containerized the environment with Docker and LocalStack.

Freelance Software Engineer at Self-Employed (Remote)

August 1, 2021 - August 1, 2021

Delivered custom software solutions to a portfolio of nearly 200 clients over 10 years, establishing long-term partnerships with 15+ clients through reliable project execution. Engineered tools for SMM and advertising automation, increasing client campaign efficiency by an average of 40%. Designed and created custom launchers for online games and tools for esports match history analysis, primarily using Delphi (85%) and PHP (15%).

Software Engineer at UDKSU (Treasury), Uzhhorod, Ukraine

October 1, 2016 - October 1, 2016

Developed and refactored software that automated the generation of complex financial reports, reducing processing time by over 30%. Provided critical software support to external financial organizations, ensuring operational continuity of Treasury-provided software.

Software Engineer at Uzhgorod City Children's Hospital, Uzhhorod, Ukraine

August 1, 2010 - August 1, 2010

Contributed to the development of internal applications to streamline hospital administrative operations and patient data management.

Senior C# .NET Software Engineer at Mia Gaming (Quizi Solutions Ltd)

June 1, 2025 - June 1, 2025

Architected and engineered 4+ full-scale backend API servers from concept to deployment using .NET 6+ and ASP.NET Core for casual, real-money quiz and MMORPG titles. Contributed to and deployed features across six existing game backend solutions, improving performance, reliability, and scalability in high-traffic environments, and enhancing gameplay depth and user engagement. Designed and deployed intuitive web-based administration panels using Blazor, TypeScript, Node.js, and Webpack, reducing content/configuration management time by ~30%. Automated deployment lifecycles through Jenkins CI/CD pipelines, lowering manual errors and speeding delivery. Managed Linux (Ubuntu) servers, configured Nginx, MongoDB, and PostgreSQL to maintain 99.8% uptime. Optimized AWS cloud infrastructure (EC2, S3, CloudWatch, SNS, SES, CloudFront) and improved security via IAM roles. Integrated third-party APIs for secure payments and identity verification (Paycom, MetaMap). Built multi-step automation integ

Software Engineer at Self-Employed / Remote

August 1, 2021 - August 1, 2021

Delivered custom software solutions for a portfolio of nearly 200 clients over 10 years, establishing long-term partnerships with 15+ clients through reliable project execution. Built tools for SMB marketing automation, and developed online game launchers and sports match history analytics using Delphi and PHP. Designed bespoke admin dashboards and tooling to streamline client workflows, significantly increasing efficiency and client satisfaction.

Software Engineer at UDKSU (Treasury) – Uzhhorod, Ukraine

October 1, 2016 - October 1, 2016

Developed and refactored software to automate generation of complex financial reports, reducing processing time by over 30%. Provided critical software support to Treasury-run operations, ensuring operational continuity of Treasury-provided software.

Software Engineer at Uzhgorod City Children's Hospital

August 1, 2010 - August 1, 2010

Contributed to the development of internal applications to streamline hospital administrative operations and patient data management.