10/17/2026 updated

**** ******** ****
100 % available

Senior Software Architect | Angular, NestJS, .NET, AWS, Kubernetes | 20 years experience

Istanbul, Turkey
Only remote
B.Sc. Software Engineering, Ferdowsi University of Mashhad (2010)
Istanbul, Turkey
Only remote
B.Sc. Software Engineering, Ferdowsi University of Mashhad (2010)

Profile attachments

Hamit-Zekeriya-Senior-Software-Architect.pdf

About me

Architect and hands-on full-stack engineer based in Istanbul. I take web platforms from concept to production: Angular front-ends, NestJS/.NET microservices, AWS and Kubernetes. Former team lead at German SaaS companies (Anywork, Ninox). Fluent English; native Turkish and Persian.

GitOpsClean ArchitectureGitHub ActionsHelmAzure DevOpsASP.NETJavaScript.NET FrameworkAmazon Web ServicesASP.NET MVC FrameworkMicrosoft AzureC Sharp (Programming Language)Client Server ModelsCloud EngineeringContinuous IntegrationHigh-Level ArchitectureMongoDBNode.jsScrum MethodologySoftware ArchitectureAngular 2+Solution ArchitectureSQL DatabasesTypeScript.NET CoreReact.jsAWS LambdaGoogle FirebaseStripeKubernetesPlaywrightFull Stack DevelopmentGraphQLNestJSRestful ApiDomain Driven DesignDockerMicroservices
Senior software architect and full-stack engineer with 20 years of experience designing and delivering web platforms end to end, from front-end architecture to microservices and cloud infrastructure.

Languages: TypeScript, JavaScript, C#, SQL, HTML5, CSS/SCSS
Front-end: Angular, React, Nx monorepos, microfrontends (Webpack Module Federation), component libraries, low-code page builders, dashboard builders, responsive and accessible UI
Back-end: Node.js, NestJS, .NET (ASP.NET, WCF), RESTful APIs, GraphQL, OpenAPI/Swagger code generation, event-driven microservices, real-time messaging
Cloud & DevOps: AWS (EC2, Lambda, S3, Fargate), Azure, Docker, Kubernetes, Helm, GitOps, GitHub Actions, Azure DevOps, CI/CD
Data: SQL Server (indexing, query optimization, stored procedures), MongoDB, Firebase, caching strategies, performance profiling
Architecture & practices: Domain-Driven Design (DDD), microservices, Clean Architecture, SOLID, monolith-to-microservices migration, Agile/Scrum, code review, mentoring, team leadership
Testing: Jest, Playwright, xUnit, unit and end-to-end test automation
Integrations: Stripe, PayPal, Telegram Bot API

Highlights:
- Led the migration of an enterprise ERP/CRM platform from ASP.NET MVC + jQuery to a modular Angular architecture: 2x runtime performance, 40% fewer bugs.
- Architected domain-driven NestJS microservices on AWS and CI/CD with GitHub Actions and Docker, cutting deployment cycles from days to under 30 minutes.
- Built a low-code page builder and dashboard builder, reducing feature delivery time by 90%.
- Introduced Kubernetes with Helm and GitOps, moving from weekly to daily releases.
- Built secure, high-volume banking and payment back-ends in .NET and Node.js.
- Team lead: set code review standards, mentored 5+ developers, cut onboarding time by 50%.

AWS Certified Cloud Practitioner (2025). Languages: English (fluent), Turkish, Persian, Azerbaijani (native).

Experience

Professional experience10+ years
Freelancer since2021

Languages

EnglishFluentPersianNative speakerTurkishNative speaker

Project history

Senior Lead Engineer (promoted to Team Lead)

Anywork GmbH, Düsseldorf
Cloud-based enterprise workflow platform with modular ERP, CRM and customizable workflows.
- Led the migration from an ASP.NET MVC + jQuery monolith to a modular Angular architecture with shared libraries: 2x runtime performance, 40% fewer bugs, 80% less development time.
- Built an automated front-end integration pipeline with OpenAPI/Swagger code generation, doubling front-end delivery speed.
- Developed a low-code page builder and Angular dashboard builder with dynamic data sources, cutting feature delivery time by 90%.
- Spearheaded Kubernetes adoption with Helm and GitOps and built Azure DevOps CI/CD pipelines, moving from weekly to daily releases.
- Introduced Nx monorepo and GraphQL, boosting team velocity.
- As Team Lead: set code review protocols and standards, mentored 5+ junior developers, cut onboarding time by 50%.
Tech: Angular, TypeScript, .NET, GraphQL, Nx, Kubernetes, Helm, Azure DevOps

Freelance Software Architect & Full-Stack Developer (independent projects)

Self-employed (Tawoox, BBA Solution, SnapTutor)
Side projects designed, built and operated end to end alongside full-time roles:
- Tawoox (food reservation platform, 2023 - present): cloud-native microservices with modular APIs for multiple restaurants and delivery services; Stripe and PayPal payments, Firebase notifications; under 2 s API responses at 500+ daily orders.
- BBA Solution (basketball academy platform, 2022 - present): event-driven microservice backend with real-time chat, notifications and role-based access; 2,000+ monthly active users.
- SnapTutor (tutor booking marketplace, 2021 - present): microservices for scheduling, payments and chat; Stripe with partial refunds and calendar sync; 200+ tutors and 500+ students in the first 3 months.
- LoolCut & Spool Fabrication Simulator: AI-assisted pipe-cutting optimization with 18% raw-material savings.
Tech: NestJS, Node.js, Angular, microservices, Stripe, PayPal, Firebase

Senior Software Architect & Full-Stack Engineer

Ninox GmbH, Berlin
Low-code platform for building business applications.
- Architected the backend as domain-driven NestJS microservices on AWS (EC2, Lambda, S3, Fargate), designed for high availability and horizontal scalability.
- Built CI/CD pipelines with GitHub Actions and Docker, cutting deployment cycles from days to under 30 minutes.
- Introduced Clean Architecture and SOLID practices across services, reducing technical debt by 40%.
- Optimized APIs and data access across SQL Server and MongoDB, improving latency by 35% for web and mobile clients.
- Designed the front-end architecture and REST API contracts with UI/UX for responsive, cross-platform apps.
- Mentored developers and partnered with DevOps and QA on code review and release practices.
Tech: NestJS, Node.js, TypeScript, AWS, Docker, GitHub Actions, SQL Server, MongoDB, DDD

Senior Back-End Developer

Fanap, Tehran
- Designed and built enterprise back-end services for banking and payment platforms in .NET and Node.js, including secure RESTful APIs and middleware for high-volume financial transactions.
- Decomposed monolithic systems into independent microservices, applying DDD to separate business domains.
- Tuned SQL Server and MongoDB with indexing, query optimization, stored procedures, caching and performance profiling.
- Implemented CI/CD pipelines in Azure DevOps for more reliable releases.
Tech: .NET, C#, Node.js, SQL Server, MongoDB, Azure DevOps, microservices

Senior Back-End Developer

Tosan, Tehran
- Developed secure APIs and middleware for core banking systems using .NET Framework and WCF, handling thousands of concurrent transactions.
- Applied DDD to separate business logic into clear domains.
- Tuned SQL Server with indexing, query optimization and stored procedures.
- Collaborated closely with Angular front-end teams to deliver end-to-end functionality.
Tech: .NET Framework, C#, WCF, SQL Server, DDD

Senior WPF Developer

Dadash Baradar Industrial Co. (Shoniz), Tabriz
- Designed a .NET/WPF Computerized Maintenance Management System (CMMS) with a layered architecture, reducing downtime errors by 60%.
- Optimized SQL Server, cutting execution time by 40%.
- Mentored junior developers.
Tech: .NET, C#, WPF, SQL Server

Back-End Developer

Mabna, Mashhad
- Built academic and enterprise management systems with ASP.NET, C# and SQL Server.
- Developed automation tools for scheduling, reporting and data workflows.
- Modernized legacy systems with modular, reusable components.
Tech: ASP.NET, C#, SQL Server

Certificates

AWS Certified Cloud Practitioner

Amazon Web Services

2025

Contact form

Log in to get in touch

You need to be logged in to use the contact form.

Sign upLog in