C# Fullstack Engineer - Remote Healthcare & Industrial Software

ADA DENIZ AKTAS

Fullstack Software Engineer

+905********* ***.*****.******@*****.*** Istanbul / Turkey SUMMARY

Fullstack Software Engineer with 10+ years of experience delivering enterprise-grade systems in medical, industrial, and marketing domains. Roles span software architect, team lead, product owner, and senior developer, unifying technical depth with leadership and delivery focus. Proven expertise in building C# .NET Core microservices, orchestrating cloud- native CI/CD pipelines, and delivering highly available applications with end-to-end test coverage.

Strong record of:

Designing scalable backend architectures with REST, SignalR, and distributed event systems.

Managing cross-functional teams and aligning technical vision with product strategy.

Leading high-impact, NDA-protected projects for Fortune 500 clients (Shell, Getinge).

Delivering mission-critical device simulators for hospital sterilization automation.

Driving DevOps automation with Azure DevOps, GitHub Actions, and container-first design.

WORK EXPERIENCE

Proxify – Getinge Medical AB

Senior Fullstack Engineer

Nov 2021 – Nov 2024 Remote – Denmark

Operated as sole engineer for SimulationHub, a device behavior simulation system for hospital sterilization automation.

Developed simulation engine entirely in C# (.NET Core) with REST-based asynchronous service coordination.

Designed, implemented, and maintained microservices architecture for device emulation.

Created simulators for washer-disinfectors, sterilizers, and conveyor systems to support integration and testing.

Built automated test coverage using xUnit, Playwright, integration tests, and mock device drivers.

Ensured continuous deployment with Azure DevOps

pipelines.

Managed architecture decisions without external

dependencies or handoffs.

Delivered software compliant with critical medical software standards.

Applied CQRS, SOLID, and Clean Architecture patterns for maintainability.

Proxify – Shell Global R&D

DevOps Manager

Feb 2022 – Mar 2023 Remote – Netherlands

Developed internal data visualization dashboards for Shell R&D operations.

Integrated real-time analytics pipelines with secure data storage.

Managed DevOps workflows across globally distributed teams.

Configured Azure DevOps and GitHub Actions for

continuous integration.

Ensured strict compliance with IP protection and NDA requirements.

Created automated deployment scripts for containerized applications.

INGAGE Digital Marketing INC.

Fullstack Engineer / Media Manager

Feb 2021 – Oct 2021 Remote – Istanbul

SKILLS

Technology stack is irrelevant - with architectural mastery and AI tooling, I can build any system in any language. HANDS-ON SKILLS (Before AI)

Programming Languages: C# (.NET Framework, .NET Core,

.NET 5\u20138), ASP.NET MVC, WebForms, JavaScript

(ES2015\u2013ES12), TypeScript, Python (Automation, Scripting)\u00a0\u00a0

Web Development: Blazor (Server/WASM), Razor Pages, REST API Design, SOAP, Swagger (OpenAPI), SignalR, DevExpress, Telerik UI\u00a0\u00a0

Frontend: HTML5, CSS3, SCSS, Bootstrap, SPA lifecycle, DOM Manipulation, Responsive Design\u00a0\u00a0

Backend/Middleware: ASP.NET Core Middleware,

EF6/Core, LINQ, Dependency Injection, JWT, OAuth2, Redis Caching, Config Management (appsettings.json)\ u00a0\u00a0

Databases: SQL Server, PostgreSQL, MySQL, Firebase, MongoDB (basics)\u00a0\u00a0

Testing & QA: xUnit, NUnit, MSTest, Playwright, Selenium, Puppeteer, Postman/Newman, k6, JMeter\u00a0\u00a0

Architecture & Practices: Clean Architecture, Onion, CQRS, DDD, SOLID, DRY, TDD, BDD, Microservices, CI/CD-first Design\u00a0\u00a0

DevOps/Automation: Docker, Azure DevOps, GitHub

Actions, GitLab CI/CD, IaC (Bicep/Terraform basics)\ u00a0\u00a0

Cloud: Azure App Services, Azure Functions, Azure SQL, Blob Storage, Firebase Hosting, CDN Config\u00a0\u00a0 Source Control: Git, GitFlow, GitHub, GitLab, Bitbucket, TFS\u00a0\u00a0

Monitoring/Performance: Application Insights, ELK Stack, Serilog, BenchmarkDotNet\u00a0\u00a0

Project Management: Scrum, Kanban, Jira, Azure Boards, Sprint Management\u00a0\u00a0

Security: HTTPS, OAuth2, OpenID Connect, RBAC, GDPR- aware design\u00a0\u00a0

Integration: REST Clients, Webhooks, Microcontroller

(SerialPort, GPIO), 3rd-Party SDKs

HOBBIES

Archery (Professional, Traditional Bow)

Scuba Diving (Licensed by PADI- London)

Chess

CERTIFICATIONS

Scuba Diver

PADI

Integrated Google Tag Manager (GTM) for multi-channel event tracking.

Customized Kentico CMS components for dynamic,

modular content rendering.

Aligned marketing analytics with backend content delivery workflows.

Developed reusable frontend components using

JavaScript and Blazor.

Ensured accurate data synchronization between GTM and analytics endpoints.

Indis Software INC.

Fullstack Engineer

Dec 2019 – Feb 2021

Designed and implemented SaaS backend services using C# and .NET Core.

Optimized SQL Server queries and database

performance.

Automated quality assurance testing using Selenium and Postman.

Enhanced application performance through profiling and tuning.

Created integration pipelines in GitLab CI/CD and Azure DevOps.

Gathered customer requirements and translated them into technical specifications.

Joker Software INC.

Fullstack Engineer

Jan 2019 – Sep 2019 Kayseri

Built automation logic for hardware devices using microcontrollers and sensors.

Developed SQL Server Reporting Services (SSRS)

reports.

Refactored codebases to follow OOP principles

(polymorphism, inheritance).

Created internal documentation wikis for onboarding new developers.

Maintained legacy .NET applications while adding new features.

Safa Informatics

Fullstack Engineer

Aug 2017 – Dec 2018 Kayseri

Managed a team of 3 developers in fullstack development projects.

Built large-scale data indexing and retrieval systems.

Designed and maintained server infrastructure and SQL Server databases.

Implemented project documentation for development methodologies.

Researched and developed scalable applications for information extraction and analysis.

Resolved database issues through proactive monitoring and maintenance scripts.

Health Recovery

Career Gap

Nov 2024 – July 2025

Took intentional time for medical recovery following the 2023 Turkey earthquake.

Used this period to upskill in .NET Core, Blazor, and cloud-native architectures.

Developed experimental prototypes applying AI-assisted development workflows.

Researched container-first design patterns and

architectural refactoring strategies.

Maintained active presence on GitHub with open-source contributions and technical experiments.

EDUCATION

Bachelor of Engineering (B.Eng.) — Computer Engineering Middle East Technical University (METU), Ankara, Turkey, GPA: 3.87 / 4.00 — Dean’s Honor List, High Distinction PROJECTS

Automation Hub

Oct 2021 – Oct 2024 Getinge Medical AB

Developed an advanced hospital sterilization automation communication system deployed worldwide.

Built simulation and integration modules in C# (.NET Core) using Swagger and Weaver API Generation.

Created automated test suites using xUnit for high- reliability deployments.

Designed Microsoft SQL Server and SQLite storage schemas for multi-environment consistency.

Deployed Dockerized services via CI/CD pipelines for continuous integration and delivery.

Applied Agile/Scrum methodologies for iterative

development and global stakeholder alignment.

Simulation Hub

Nov 2021 – Nov 2024 Getinge Medical AB

Designed and developed a medical device simulation platform to emulate non-human device interactions in hospital sterilization automation.

Created simulation engines for washer-disinfectors, sterilizers, conveyors, and other medical hardware.

Implemented core backend in C# (.NET Core) with REST- based asynchronous service coordination.

Built microservices architecture with high unit and integration test coverage using xUnit.

Integrated with Microsoft SQL Server and SQLite for persistent simulation data storage.

Containerized services with Docker and deployed through Azure DevOps CI/CD pipelines.

Applied CQRS, SOLID, and Clean Architecture principles for long-term maintainability.

Delivered software compliant with critical medical software reliability standards.

KolayCar

Dec 2019 – Feb 2021 INDIS Software INC

Built and maintained a rental car management system with legacy WebForms frontends.

Developed C# backend services for vehicle lifecycle tracking, reservations, and invoicing.

Managed SQL Server performance optimization for high transaction volumes.

Joker ERP

Jan 2019 – Sep 2019 Joker Software INC

Engineered an end-to-end ERP system covering

manufacturing (receipts, production) to retail (orders, invoices, payments).

Developed C# backend and Windows Forms interfaces for operational workflows.

Maintained and enhanced ASP.NET WebForms legacy

modules.

Designed and optimized SQL Server databases for

manufacturing and retail processes.

Epsilon

Aug 2017 – Dec 2018 Safa Informatics

Designed and implemented ERP integration system for Safa Informatics’ Joker software across major

marketplaces (Amazon, GittiGidiyor, N11, etc.).

Developed backend logic in C# and Python scripts for data synchronization.

Implemented Windows Forms admin panels and

microservice-based APIs.

Integrated with Microsoft SQL Server for transactional consistency.

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