11/12/2026 updated

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

Full-Stack Software Developer | TradingView PineScript | API & Automation | React, Node.js & Python

Leamington Spa, United Kingdom
Only remote
Leamington Spa, United Kingdom
Only remote

Profile attachments

Marcel_Nagy_Software_Developer_CV_Final.pdf

About me

I'm an independent full-stack software developer and active financial market trader. I combine practical trading experience with software development to build custom applications, real-time dashboards, API integrations, automation tools and TradingView indicators.

JavaScriptApplication Programming Interfaces (APIs)AlgorithmsData AnalysisDay TradingPython (Programming Language)MongoDBNode.jsTrading StrategyWebSocketReact.jsFull Stack Development
I'm an independent software developer and active financial market trader specialising in full-stack development, API integrations, automation and trading technology.

I build custom applications, real-time dashboards, market scanners, TradingView indicators and data-processing systems using JavaScript, TypeScript, Node.js, React, Next.js, Python, MongoDB, REST APIs, WebSockets and Pine Script.


Selected Development Projects

NAS100 Real-Time Market Analytics
Developed a full-stack market monitoring platform that processes live NASDAQ 100 constituent data, calculates weighted momentum across multiple timeframes and displays market-wide directional analytics through a live dashboard.

Funding Hunter — Multi-Exchange Market Scanner
Built a cryptocurrency funding-rate analytics platform integrating multiple exchange APIs, automated opportunity scanning, settlement monitoring, paper trading and performance analytics.

Crossover Structure Levels — Advanced TradingView Indicator
Developed a powerful multi-timeframe support and resistance system using EMA crossover algorithms, automated price-level detection, dynamic level management and configurable alerts.
I've also developed indicators for momentum signal analysis, price gap detection, reversal tracking and trading strategy research.



Software Development Services

- TradingView Pine Script development, debugging and strategies;
- API integrations, WebSockets, webhooks and automation;
- Full-stack applications using React, Next.js and Node.js;
- Real-time financial dashboards and market scanners;
- Custom software, bots and data-processing systems.


My approach is to turn clearly defined requirements into functional, maintainable software with transparent communication and practical testing.

I'm available for freelance development projects, including small script modifications, custom integrations and larger software builds.

Explore my portfolio or contact me to discuss your requirements.

Experience

Professional experience0 - 5 years
Freelancer since2022

Languages

EnglishFluent

Project history

Independent Full-Stack Software Developer

Self-employed / Independent Projects

Internet & IT

< 10 team member

Independent software development specialising in full-stack applications, API integrations, automation and financial market technology.

Developed real-time market analytics platforms, multi-exchange funding scanners and advanced TradingView Pine Script indicators.

Key projects include NAS100 Market Analytics, Funding Hunter, Crossover Structure Levels, Momentum Candle Lab and Price Gap Detection.

Technologies: JavaScript, TypeScript, Node.js, React, Next.js, Python, MongoDB, REST APIs, WebSockets and Pine Script.


Portfolio


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