Serkan Bilsel

Full Stack Software Developer

Istanbul, Turkey

serkanbilsel.dev linkedin.com/in/serkanbilsel github.com/serkanbilsel gitlab.com/sbilsel

About

Full Stack Software Developer building web, mobile, and enterprise software systems since 2021. Experienced in developing modern frontend applications with React, Next.js, and TypeScript, as well as backend services with ASP.NET Core and Python (FastAPI). Approximately 2 years of experience working with IoT systems, including real-time telemetry, data streaming, and Socket.IO-based solutions. Experienced in cross-platform mobile development with React Native and Ionic/Capacitor, along with AI-powered automation and integrations using n8n and LLM APIs. Experienced in contributing across the end-to-end software development lifecycle, from analysis and development to testing and deployment.

Work Experience

Full Stack Developer, AtsanLaçin Engineering (YTU Technopark)

03/2025 – Present | ISTANBUL, TURKEY (ON-SITE)

Engineered an end-to-end enterprise monitoring and management platform for LPG, CNG, and fuel stations using React, TypeScript, and TailwindCSS.
Architected high-throughput backend microservices with Python (FastAPI), modeling real-time sensor metrics, tank capacity, and hardware statuses across SQL Server and MongoDB.
Implemented real-time bidirectional IoT data processing via hardware routers utilizing Socket.IO, achieving sub-second latency for live alarm triggers and telemetry streaming.
Executed data migration workflows from legacy SQL Server schemas to MongoDB, optimizing query response times and system scalability.
Designed and deployed automated incident-reporting and inquiry bots via n8n, connecting WhatsApp and Telegram interfaces with AI/LLM APIs to streamline field support workflows.
Developed cross-platform hybrid mobile and web applications from a single unified codebase utilizing Ionic and Capacitor.

Full Stack Developer, First Global Informatics

07/2024 – 03/2025 | ISTANBUL, TURKEY (REMOTE)

Developed the core web application for an intra-university social platform using React, implementing user profiles, dynamic activity feeds, and real-time messaging.
Built and shipped cross-platform mobile apps with React Native, establishing a reusable API architecture shared across web and mobile clients.
Developed secure, RESTful backend services using ASP.NET Core and integrated Firebase Cloud Messaging for real-time notifications and synchronized chat operations.

Full Stack Developer (.NET), Benkien Electronics

11/2023 – 04/2024 | ISTANBUL, TURKEY (ON-SITE)

Built a comprehensive ERP management platform using ASP.NET MVC N-Tier Architecture for enterprise-wide department and workflow administration.
Designed and maintained relational database models with a Code-First approach using Entity Framework Core and MS SQL Server.
Developed responsive dashboards and intuitive UI modules using JavaScript, HTML5, CSS3, Bootstrap, and Ajax.

Full Stack Software Consultant, Freelance / Independent Consultant

01/2021 – 07/2024 | REMOTE

Delivered custom e-commerce solutions, admin dashboards, and dynamic web portals for diverse clients utilizing React, Next.js, and ASP.NET Core.
Managed the full SDLC: requirement gathering, system architecture, database modeling, secure payment gateway integrations (Virtual POS), and cloud deployments.

Technical Skills

frontend

React.js, React Native, Next.js (SSR), TypeScript, Ionic Capacitor, Redux Toolkit, Context API, Modern UI Design, UX/Interaction, Ant Design, Material UI (MUI), Responsive Design, Tailwind CSS

tool

App Store & Play Store, Git & GitLab, AI Integration & Training, Mongo Tools

backend

.NET Core (6/8), Firebase, python, NextJS SSR, NodeJs

database

MongoDB, SQL & EF Core, FastAPI

Education

Associate Degree in Computer Programming, Anadolu University

2024 – Present (In Progress) | ESKİŞEHİR

Associate Degree in Law & Office Administration, Istanbul University

Graduated | İSTANBUL

Certifications & Accreditations

Full Stack Software & Mobile Development (Level 1, 2, 3 Expert Track), Siliconmade Academy

2022 – 2024

Frontend Web Engineering & International Competency Certifications, Fatih Sultan Mehmet Vakıf Üniversitesi (FSMVÜ) & ICCW Global

Verified

Language

Turkish

Native

English

B2 – Professional Working Proficiency