Gamma Quest Start a project

Software development · Atlanta, Georgia

Modern software for your business, and a way forward for the systems you already run.

Gamma Quest builds web, cloud and desktop applications on modern .NET, AWS and Azure, and moves legacy systems onto them without breaking what works. Architecture from Gamma Quest, engineering with our partner team at NewLineSoft: developers, QA and DevOps on one project.

Start a projectSee our work
building software since
2005
core platform, on Azure and AWS
.NET 10
engineering partner
NewLineSoft
first consultation
Free

Services

What we build

New systems on modern .NET and the cloud, modernization of the ones you already have, and deep experience in document processing.

Featured

Legacy modernization

COBOL, Java and .NET Framework systems moved to modern .NET, Java and the cloud, with tests that prove the new system behaves exactly like the old one. Offered as Legacy Parity.

  • COBOL
  • .NET Framework
  • Java EE
  • Equivalence testing

Visit legacyparity.com →

01

Web applications and APIs

Web applications, portals and APIs on modern .NET, from customer-facing sites to internal systems with payments and third-party integrations.

  • .NET 10
  • ASP.NET Core Web API
  • ASP.NET Core MVC
  • Blazor
  • EF Core
  • OpenAPI
  • Entra ID
02

Cloud and DevOps

Applications designed for the cloud, or moved there: containers, serverless functions, infrastructure as code and automated deployment pipelines.

  • Azure Container Apps
  • Azure App Service
  • Docker
  • Azure DevOps
  • Application Insights
  • AWS
  • AWS CDK
  • Terraform
03

Desktop and client-server software

Windows and cross-platform applications built around how your team works, from technology choice and prototype to support and documentation.

  • .NET 10
  • WPF
  • WinForms
  • C++
04

Document processing and PDF

High-volume document pipelines, fillable and interactive PDF forms, data extraction and pre-filling, and digital signatures.

  • PDF / AcroForms
  • XML
  • AFP
  • EDI
  • PKI signing
05

Acrobat and Office plugins

Custom buttons, menus and automation that extend Adobe Acrobat and Microsoft Office for routine work.

  • Acrobat SDK
  • Office add-ins
  • VBA
  • C#
06

Databases and data

Database design, performance tuning, redesign and migration for systems whose data has outgrown their first design.

  • Azure SQL Database
  • SQL Server
  • EF Core
  • PostgreSQL
  • Oracle

Technology

Core technology stack

Current, supported Microsoft and cloud technology for new work. Full stack and what each part does

Runtime and framework

  • .NET 10 (LTS)
  • .NET 8

Web and API services

  • ASP.NET Core Web API
  • ASP.NET Core MVC

Frontend UI

  • Blazor Server
  • Blazor WebAssembly

Data access

  • Entity Framework Core
  • LINQ

Databases

  • Azure SQL Database
  • SQL Server

API documentation and testing

  • OpenAPI / Swagger
  • Microsoft.AspNetCore.OpenApi
  • Swashbuckle

Authentication and security

  • Microsoft Entra ID
  • Duende IdentityServer
  • ASP.NET Core Identity

Messaging and integration

  • Azure Service Bus

Observability

  • Application Insights
  • Azure Monitor

Containers and hosting

  • Docker
  • Azure App Service
  • Azure Container Apps

DevOps and CI/CD

  • Azure DevOps Pipelines
  • Azure Repos
  • Azure Boards

AWS

  • Lambda
  • Step Functions
  • ECS and Fargate
  • Aurora
  • AWS CDK

Selected work

Systems in use

A few of the systems we have designed and built. All projects

Financial services

CRM and financial management system

  • 15payment providers
  • 1Mrecords
  • 25reports

Accepts and processes applications automatically, transfers money, and runs call-center automation, customer communication history, decision rules and management reporting.

B2B portal

HWI business-to-business portal

An industry portal where retailers find suppliers and suppliers advertise: articles, quizzes, supplier directory, job listings, press releases and pay-per-click banners.

Publishing

Magazine publisher CMS

Replaced a slow, vendor-hosted CMS with a flexible system the editors run themselves, which can be hosted on any server.

Publishing

Medical journals archive

Opened a publisher's back catalogue to medical professionals without re-setting years of artwork: editors upload each journal as a PDF, annotate it, and it is searchable across all journals at once.

Team

Who builds your project

An architect who owns the design, and an experienced engineering team behind it.

German Kolenov

German Kolenov

Founder and principal architect

Architecture, cloud on Azure and AWS, and modernization. He also leads Legacy Parity, our modernization service.

About Gamma Quest

Engineering partner

NewLineSoft

Projects are staffed with engineers from our partner company NewLineSoft, led by Victor Sorokin: full-stack .NET and Azure development, frontend, QA and DevOps. You work with one company and sign one contract, with Gamma Quest.

Meet the team at newlinesoft.com →

How we work

From first call to support

You see progress as it happens, not at the end.

  1. Free consultation

    We talk through what you need and which technologies fit. We can sign an NDA before you share details.

  2. Detailed estimate

    You get the project split into phases and sub-projects, each with its own estimate.

  3. Build, in the open

    Every task lives in our project tracker, so you can check its status at any time.

  4. Support

    We stay on for fixes, changes and documentation after launch.

Have a project in mind?

Tell us what you need. The first consultation and the initial estimate are free.

Start a projectquest@gammaquest.com