Necmettin Cimen
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Senior Full Stack Developer
Istanbul, Turkey
Experience
Worked
Mastered
Delivered
Results-driven Senior Full Stack Developer with 9+ years of experience designing, scaling, and maintaining enterprise-grade web applications, microservices, and cloud-native architectures. Expert in the .NET Core ecosystem, Node.js, and modern frontend frameworks to deliver resilient, high-performance systems.
About Me
Results-driven Senior Full Stack Developer with over 9 years of professional experience designing, scaling, and maintaining enterprise-grade web applications, microservices, and cloud-native architectures.
Proven track record of guiding cross-functional engineering teams, optimizing complex database structures, and deploying intelligent AI components. Expert in leveraging the .NET Core ecosystem, Node.js, and modern frontend frameworks to deliver resilient, high-performance systems that drive business value and maximize system uptime.
Education: Bachelor of Science in Software Engineering — Inonu University (2015–2020), Malatya, TR.
Open-source projects available at github.com/necmettincimen.
Backend & Cloud
Frontend
Databases & Storage
Observability & DevOps
Specialized Tools
Experience
Senior Full Stack Developer (via Venhancer)
- ▸Architected and deployed highly responsive, enterprise-grade web interfaces utilizing Vue.js and React to streamline agent proposal processes, accelerating sales conversion rates by 25%.
- ▸Integrated advanced AI components alongside custom no-code visual platform builders to systematize complex insurance workflows, reducing manual customer onboarding times by 40%.
- ▸Built scalable backend microservices leveraging .NET Core and Node.js within multi-tenant cloud ecosystems (AWS/Azure) handling 10k+ concurrent requests.
- ▸Constructed unified, high-throughput API architectures including GraphQL and RESTful services to deliver real-time aggregated metrics for executive business dashboards.
- ▸Spearheaded end-to-end system maintenance and cloud-native observability pipelines utilizing OpenTelemetry, Prometheus, and Grafana to ensure a 99.9% system uptime.
Software Team Lead
- ▸Orchestrated an agile, multinational engineering team of 10+ professionals to plan and deliver high-traffic SaaS logistics platforms, boosting development sprint velocity by 35%.
- ▸Spearheaded the successful migration of legacy monolithic architectures into containerized microservices using Node.js and .NET Core on AWS.
- ▸Authored and integrated high-performance GraphQL APIs tailored for high-frequency operations, resulting in a 60% reduction in end-to-end query latency.
- ▸Mapped complex relational structures in PostgreSQL and enhanced high-concurrency document stores in MongoDB, improving operational database performance by 45%.
- ▸Supervised platform health by establishing comprehensive monitoring, deployment support pipelines, and developer-friendly observability dashboards, reducing critical system MTTR by 50%.
Full Stack Developer
- ▸Crafted complex single-page applications using React, Redux Toolkit, and Tailwind CSS, delivering interactive dashboards that accelerated customer cargo booking speeds by 30%.
- ▸Compiled secure server-side controllers and integrated customized Express middleware for JWT-based authentication and secure high-throughput cargo routing pipelines.
- ▸Structured robust schemas in MongoDB and PostgreSQL, ensuring efficient storage and quick retrieval of cargo tracking telemetry under heavy transactional loads.
- ▸Refined RESTful and GraphQL endpoints to facilitate rapid frontend-backend data synchronization for real-time customer tracking dashboards.
- ▸Managed containerized microservices using Docker and facilitated seamless staging deployments on AWS cloud infrastructure.
Full Stack Developer
- ▸Provisioned, configured, and sustained multi-tenant enterprise architectures across AWS and Azure cloud environments using .NET Core and Docker containerization.
- ▸Established analytical frontend dashboards utilizing Vue.js and React to empower manufacturing plants with real-time operations telemetry, leading to 20% better resource allocation.
- ▸Implemented secure, thread-safe asynchronous backend logic and enhanced relational SQL database queries, resolving inventory deadlocks during peak transaction periods.
Full Stack Developer
- ▸Developed secure RESTful endpoints and modeled complex relational databases for military-grade HR software applications (HAVELSAN) using .NET Core, improving database query response times by 35% and securely managing over 5,000 active personnel profiles.
- ▸Built highly modular, reusable, and accessible frontend views with React, executing structured unit and integration tests to ensure zero regression bugs.
Full Stack Developer
- ▸Maintained, refactored, and modernized legacy web architectures, executing seamless data migration paths to modern, highly maintainable .NET Core API services.
- ▸Created scalable database schemas, indexes, and stored procedures, improving general ERP application performance and reporting speeds by 30%.
Software Developer
- ▸Conceptualized and implemented secure web-based billing modules and computerized PDF/invoice generation pipelines, completely eliminating billing delay errors and saving 12% in monthly operational processing time.
- ▸Compiled custom, lightweight JavaScript helper libraries to enhance UX/UI interactions, boosting page load speeds by 20% and facilitating clean integration with 10+ third-party REST APIs.
Software Developer
- ▸Collaborated in fast-paced Scrum teams to implement robust validation rules and core application workflows on C# .NET MVC architectures, reducing data-entry validation errors by 40% and accelerating sprint delivery by 15%.
- ▸Formulated dynamic, fully responsive frontend views utilizing jQuery and CSS/Bootstrap, improving cross-browser compatibility score to 99% and boosting mobile session duration by 15%.
My Projects
Live-fetched from GitHub API
Advanced AI integration core engineered in C#. Coordinates LLM API pipelines, smart agent reasoning workflows, and scalable prompt templates within .NET Core.
High-performance Go REST API backend featuring Gin-Gonic, JWT authentication, PostgreSQL database orchestration via GORM, and interactive Swagger documentation.
Lightweight API gateway built with Ocelot and .NET Core designed to unify distributed microservices. Manages centralized routing, JWT validation, and custom rate-limiting.
Modern client application developed with Vue 3 and Vite, focusing on clean modular architecture, reactive states, and highly optimized SEO-friendly views.
Cross-platform mobile application constructed using React Native, Expo, and Galio Framework, delivering high-performance interactions and dynamic data caching.
Enterprise-grade Java REST API built with Spring Boot, Maven, Lombok, and H2 database, focusing on SOLID design principles and automated testing.