Halil Toprak
Istanbul, Turkey
Halil Toprak
Full-Stack Software Developer .NET & React Expert
Category : Web development
I am a Full-stack Software Developer with a mathematical mindset rooted in a Physics background, specializing in building high-performance, secure financial systems. With over 7 years of experience in the Fintech sector, I help businesses modernize their legacy platforms and architect scalable, future-proof infrastructures. Key Expertise:
* Backend Mastery: Designing scalable .NET microservices, optimizing T-SQL queries, and implementing multi-layered Redis caching to reduce latency by up to 35%.
* Modern Frontend: Leading migrations from jQuery to React/Next.js, achieving 90+ Lighthouse SEO scores and enhancing user experience through Server-Side Rendering (SSR).
* Quantum-Safe Security: Integrating Post-Quantum Cryptography and Qiskit-based algorithms to ensure data integrity against next-generation threats.
* Data-Driven Insights: Building real-time stock market analytics dashboards and BI visualizations that accelerate stakeholder decision-making.I don’t just write code; I solve complex algorithmic challenges and optimize systems for maximum performance. Whether you are a startup looking for an MVP or an established firm needing a robust digital transformation, I provide strategic consultancy and end-to-end development tailored to your growth.
* Backend Mastery: Designing scalable .NET microservices, optimizing T-SQL queries, and implementing multi-layered Redis caching to reduce latency by up to 35%.
* Modern Frontend: Leading migrations from jQuery to React/Next.js, achieving 90+ Lighthouse SEO scores and enhancing user experience through Server-Side Rendering (SSR).
* Quantum-Safe Security: Integrating Post-Quantum Cryptography and Qiskit-based algorithms to ensure data integrity against next-generation threats.
* Data-Driven Insights: Building real-time stock market analytics dashboards and BI visualizations that accelerate stakeholder decision-making.I don’t just write code; I solve complex algorithmic challenges and optimize systems for maximum performance. Whether you are a startup looking for an MVP or an established firm needing a robust digital transformation, I provide strategic consultancy and end-to-end development tailored to your growth.
Portfolio
Working hours
- Monday:08h00 To 18h00
- Tuesday:08h00 To 18h00
- Wednesday:08h00 To 18h00
- Thursday:08h00 To 18h00
- Friday:08h00 To 18h00
- Saturday:Not available
- Sunday:Not available
◦ Frontend Transformation: Leading the migration from jQuery to React/Next.js, optimizing Vanilla JS for 20%
faster execution and achieving 90+ Lighthouse SEO scores through SSR.
◦ High-Performance Backend: Reduced API latency by 35% and DB load by 50% via multi-layered Redis
Caching and T-SQL optimization.
◦ Scalable Architecture: Refactored .NET microservices to Async patterns, increasing concurrent request capacity
by 40%.
◦ Security: Engineered secure transaction modules using JWT and RBAC to ensure 100% data integrity.
faster execution and achieving 90+ Lighthouse SEO scores through SSR.
◦ High-Performance Backend: Reduced API latency by 35% and DB load by 50% via multi-layered Redis
Caching and T-SQL optimization.
◦ Scalable Architecture: Refactored .NET microservices to Async patterns, increasing concurrent request capacity
by 40%.
◦ Security: Engineered secure transaction modules using JWT and RBAC to ensure 100% data integrity.
◦ ETL & Data Optimization: Streamlined workflows using SQL and Qlik Sense, reducing data latency by 25%.
◦ BI Visualization: Designed 10+ Power BI dashboards, accelerating stakeholder decision-making by 60%.
◦ BI Visualization: Designed 10+ Power BI dashboards, accelerating stakeholder decision-making by 60%.
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