Tulipanik/Projektowanie_oprogramowania
Nov 2024 – Dec 2024
2 Months active
Languages Used
Java
Technical Skills
API DesignAPI DevelopmentBackend DevelopmentDependency InjectionInterface ProgrammingJPA
Krystian Sereda
PROFILE
Krystian Sereda
Over two months, contributed to the Tulipanik/Projektowanie_oprogramowania repository by building and refining backend features focused on payment processing and partner integration. Developed a user-facing Piggy Bank Payment System with fallback logic, an External Company Management API, and a Shopping Cart Contents API to support UI-driven cart viewing. Integrated an external payment provider to ensure order processing resilience. The work emphasized modular API design, robust exception handling, and maintainable service and data access layers. Leveraged Java, Spring Boot, and JPA to centralize payment logic, streamline dependencies, and improve architectural clarity, resulting in more reliable workflows and easier onboarding of external partners.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
11Total
Bugs
1
Commits
11
Features
4
Lines of code
649
Activity Months2
Your Network
12 peopleShared Repositories
12
MilczarekJanMember
Dawid SzczepankowskiMember
Dawid SzczepankowskiMember
Jakub KalankiewiczMember
Jakub-KalankiewiczMember
Kacper ChabowskiMember
MatiMember
Pioter17Member
SzymonRogozinskiMember
Work History
December 2024
2 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for Tulipanik/Projektowanie_oprogramowania: Key features delivered include Shopping Cart Contents API and External Payment Integration. These improvements enable UI-driven cart viewing and a robust external checkout path when the piggy bank system is unavailable. The work prioritized reliability, modularity, and business value by exposing cart contents via API and supporting seamless payments.
2 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for Tulipanik/Projektowanie_oprogramowania: Key features delivered include Shopping Cart Contents API and External Payment Integration. These improvements enable UI-driven cart viewing and a robust external checkout path when the piggy bank system is unavailable. The work prioritized reliability, modularity, and business value by exposing cart contents via API and supporting seamless payments.
December 2024
November 2024
9 Commits • 2 Features
Nov 1, 2024Concise monthly summary for 2024-11 for Tulipanik/Projektowanie_oprogramowania, focusing on business value and technical achievement. Highlights cover key features delivered, major bugs fixed, overall impact, and technologies demonstrated. Key features delivered: - Piggy Bank Payment System: User-facing payment feature enabling orders to be paid from a mocked piggy bank balance with fallback on insufficient funds. (Commit: 9e7e8cb9a70963239ca31ad07defd03d472361bc) - External Company Management API: Added support for creating external companies and transport companies via API, including service and data access layers. (Commits: ebc78672eea23981bd40c6bef852d01393f7a8f8; 2ff6beb664f233d0bcfa1720447474732325c34d) Major bugs fixed: - Order Processing Architecture Cleanup and Refactor: Internal refactor to centralize and align order payment processing, decouple BazaZamowien from concrete mappers, rename interfaces, and streamline dependencies and API endpoints as part of order processing improvements. (Commits: c1e40037b932ab9e6438952b96a6cc40e009b18c; 551a3820a4b099c1b20b6dc43e503f60f0fad5e1; 31436ba632756cfe248444cf5fcbeb60c6e7f47c; be44fdd3bd636f19ccd098a80b2809f23c7a4667; 01ce8fb58f7e30ea2b15c8ad800ff50f7dcc9c84; ae172cde2e35955dd16798e08b0644fcdba0b1a9) Overall impact and accomplishments: - Strengthened payment workflows with a user-friendly, resilient payment path and clear fallback behavior. - Accelerated onboarding of external partners through a structured API and service/DAO layers. - Reduced architectural debt and improved maintainability by centralizing payment processes, aligning mappers, and standardizing interfaces, paving the way for scalable feature expansion. Technologies and skills demonstrated: - API design and integration, service and data access layer architecture, and decoupled domain logic. - JPA-based persistence refinements, mapper interface patterns, and architecture-oriented refactoring. - Emphasis on code quality, stability, and maintainability to support ongoing business growth and partner integrations.
November 2024
9 Commits • 2 Features
Nov 1, 2024Concise monthly summary for 2024-11 for Tulipanik/Projektowanie_oprogramowania, focusing on business value and technical achievement. Highlights cover key features delivered, major bugs fixed, overall impact, and technologies demonstrated. Key features delivered: - Piggy Bank Payment System: User-facing payment feature enabling orders to be paid from a mocked piggy bank balance with fallback on insufficient funds. (Commit: 9e7e8cb9a70963239ca31ad07defd03d472361bc) - External Company Management API: Added support for creating external companies and transport companies via API, including service and data access layers. (Commits: ebc78672eea23981bd40c6bef852d01393f7a8f8; 2ff6beb664f233d0bcfa1720447474732325c34d) Major bugs fixed: - Order Processing Architecture Cleanup and Refactor: Internal refactor to centralize and align order payment processing, decouple BazaZamowien from concrete mappers, rename interfaces, and streamline dependencies and API endpoints as part of order processing improvements. (Commits: c1e40037b932ab9e6438952b96a6cc40e009b18c; 551a3820a4b099c1b20b6dc43e503f60f0fad5e1; 31436ba632756cfe248444cf5fcbeb60c6e7f47c; be44fdd3bd636f19ccd098a80b2809f23c7a4667; 01ce8fb58f7e30ea2b15c8ad800ff50f7dcc9c84; ae172cde2e35955dd16798e08b0644fcdba0b1a9) Overall impact and accomplishments: - Strengthened payment workflows with a user-friendly, resilient payment path and clear fallback behavior. - Accelerated onboarding of external partners through a structured API and service/DAO layers. - Reduced architectural debt and improved maintainability by centralizing payment processes, aligning mappers, and standardizing interfaces, paving the way for scalable feature expansion. Technologies and skills demonstrated: - API design and integration, service and data access layer architecture, and decoupled domain logic. - JPA-based persistence refinements, mapper interface patterns, and architecture-oriented refactoring. - Emphasis on code quality, stability, and maintainability to support ongoing business growth and partner integrations.
Activity
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Quality Metrics
Correctness87.4%
Maintainability87.4%
Architecture87.4%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
Java
Technical Skills
API DesignAPI DevelopmentAPI IntegrationBackend DevelopmentDependency InjectionException HandlingInterface ProgrammingJPAJavaJava SpringPayment IntegrationRefactoringSpring BootSpring Framework
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