mikolaborkowski

Participated in the design and implementation of microservices for warehouse topology and APIs for frontend and mobile applications (BFF) in projects including Heatmap, Capacity Manager, and Task Manager, resulting in a 15% increase in warehouse goods flow. Contributed to the development and design of shared libraries for the project.

Participated in the development of a fintech project, including microservices for analytics of financial metrics, directories of financial institutions with ranking and rating systems. Developed admin panels in React, APIs for mobile applications, and web chat APIs. Optimized file server operations, SQL queries, and service performance. Created and maintained CI/CD scripts in Bash, utilizing GitLab for version control and process automation. Developed services for parsing, caching, and transforming transaction data within a blockchain ecosystem. Led architectural design and executed migration of services from Node.js to Golang, improving system performance, scalability, and resilience. Developed high-performance utilities in Rust and Web2 integrations for interaction with frontend and external services.

Developed and maintained microservices for cross-service data personalization. Created a single entry point service for accessing metadata from all services within the Salesforce ecosystem, implemented in the Tracks domain as a GraphQL gateway for centralized client information access. In the Recommendations domain, developed a service for analyzing user subscriptions and generating plugin and product recommendations, accelerating recommendation delivery and improving user onboarding. Optimized GraphQL queries using caching and other performance-enhancing techniques. Participated in the design and implementation of backend solutions for low-code MFA applications. Developed and maintained CI/CD pipelines, including Jenkins, increased test coverage, and implemented automated build and deployment processes. Additionally, improved project documentation to support the team.

Participated in the design of integration solutions and the development of service-to-service integrations, including APIs and integration bus configuration. Implemented integrations using modern platforms and tools (MuleSoft, Jitterbit, Anypoint MQ), developed ETL processes with Pentaho, and provided data visualization via Tableau and ELK. Created architectural diagrams and solution designs following RAML/Swagger standards and integration design patterns.

Developed and maintained custom WMS, CRM, and ERP systems for a light industry holding. Participated in frontend and backend development, architecture design, and implementation of business logic. Created integrations between systems, developed an accounting module, and a Best Route Manager module to optimize warehouse goods movement. Worked with InterSystems Cache, PostgreSQL, and Golang for backend logic, as well as Ext.js for interfaces and integration solutions.