marijustechin/cryptotradingsimulator
Mar 2025 – May 2025
2 Months active
Languages Used
CSSJavaScriptSQLTypeScript
Technical Skills
API DevelopmentAPI IntegrationBack-end DevelopmentBackend DevelopmentCSSComponent-Based Architecture
Marerro
PROFILE
Marerro
Jānis Kuneckis developed core trading features and internationalization for the marijustechin/cryptotradingsimulator repository, focusing on both backend and frontend systems. He established a robust cryptocurrency database schema and implemented real-time trading services using Node.js, TypeScript, and Sequelize, ensuring data integrity and reliable order processing. On the frontend, he built a Redux-powered portfolio UI with live price updates and integrated toast notifications for user feedback. Jānis also introduced end-to-end internationalization with react-i18next and backend language middleware, broadening platform accessibility. His work addressed asset balance accuracy, trading fee validation, and code maintainability, resulting in a more reliable and user-friendly trading platform.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
33Total
Bugs
7
Commits
33
Features
7
Lines of code
6,696
Activity Months2
Your Network
11 people
Work History
May 2025
9 Commits • 1 Features
May 1, 2025May 2025 performance for marijustechin/cryptotradingsimulator focused on delivering end-to-end internationalization, robust balance and order integrity, and code cleanliness, with measurable business impact including broader usability and improved reliability.
9 Commits • 1 Features
May 1, 2025May 2025 performance for marijustechin/cryptotradingsimulator focused on delivering end-to-end internationalization, robust balance and order integrity, and code cleanliness, with measurable business impact including broader usability and improved reliability.
May 2025
March 2025
24 Commits • 6 Features
Mar 1, 2025March 2025: Delivered end-to-end trading capabilities with a solid backend foundation and an emerging frontend trading experience. Backend work established the core data model and services for spot trading, including a fully initialized cryptocurrency DB schema, corrected relations, and the TradeService with a test buy endpoint and adjustable interval configuration. Frontend initiatives included initializing the client-side trading system, a Redux-powered portfolio UI, and live price updates for limit orders, complemented by toast notifications and an initial profit service. Across the month, significant improvements in data integrity and reliability were achieved through conflict resolution, crypto listings fixes, and robust database error handling, contributing to a more reliable and user-friendly trading platform. Business impact: accelerates end-to-end trading workflows, improves user trust with real-time data and notifications, and demonstrates solid proficiency in backend services, frontend architecture, and data quality practices.
March 2025
24 Commits • 6 Features
Mar 1, 2025March 2025: Delivered end-to-end trading capabilities with a solid backend foundation and an emerging frontend trading experience. Backend work established the core data model and services for spot trading, including a fully initialized cryptocurrency DB schema, corrected relations, and the TradeService with a test buy endpoint and adjustable interval configuration. Frontend initiatives included initializing the client-side trading system, a Redux-powered portfolio UI, and live price updates for limit orders, complemented by toast notifications and an initial profit service. Across the month, significant improvements in data integrity and reliability were achieved through conflict resolution, crypto listings fixes, and robust database error handling, contributing to a more reliable and user-friendly trading platform. Business impact: accelerates end-to-end trading workflows, improves user trust with real-time data and notifications, and demonstrates solid proficiency in backend services, frontend architecture, and data quality practices.
Activity
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Quality Metrics
Correctness85.6%
Maintainability83.6%
Architecture81.2%
Performance79.4%
AI Usage26.0%
Skills & Technologies
Programming Languages
CSSJavaScriptSQLTypeScript
Technical Skills
API DevelopmentAPI IntegrationBack-end DevelopmentBackend DevelopmentBackend IntegrationCSSComponent-Based ArchitectureDatabase DesignDatabase ManagementError HandlingExpress.jsFront End DevelopmentFront-end DevelopmentFrontend DevelopmentFull Stack Development
Repositories Contributed To
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