Location
Warsaw, Poland
Preferred Work Type
Remote
Experience
8+
Years
Y. Kaminski is an enthusiastic software professional who excels in conceptualizing ideas and translating them into elegant interfaces. She prioritizes user experience, robust architecture, and high-quality code in her creations. Y. Kaminski has worked across various industries such as E-Commerce, Real Estate, Education, Booking Systems (Hotel, Travel, Restaurant), Healthcare, Insurance, and SAAS.
Assessments & Skill Tests
Java
Evaluated Java proficiency: syntax, object-oriented concepts, and application development skills
Score
90/100
Time Taken
20 mins
Taken On
April-2017
AWS
Assessed AWS proficiency: cloud services, infrastructure management, and deployment expertise.
Score
80/100
Time Taken
15 mins
Taken On
September-2019
Personality Test
SI: Supportive and agreeable
SI
Taken On
April, 2017
Read more about SI
Experience
Senior Back-End Developer
Stride
April 2023 to September 2023
- Integrated Laravel with MongoDB, using libraries and tools to ensure smooth data interaction between the two technologies.
- Designed and implemented complex data structures, real-time chat applications, and user authentication systems using Firebase services.
- Created RESTful APIs, WebSocket server, and Microservices, all powered by Node, to enhance the functionality and performance of the Firebase-backed application.
- Utilized Socket.io to implement a powerful, low-latency, two-way communication channel that significantly improved user engagement and interaction within the application.
- Designed and optimized MongoDB schemas, implemented complex queries, and ensured data consistency and performance for applications with large datasets. Also, integrated the Twilio API to enable real-time communication via SMS.
Full Stack Developer
Nexocode
September 2020 toOctober 2022
- Developed complex web-based UI and optimized Back-End using Java, SpringBoot, Rest API, PostgreSQL, and Angular.
- Implemented the User Interface by coding in HTML5, CSS3, Bootstrap, JavaScript, TypeScript, etc.
- Worked closely with project team members (UX Designers, Product Management, Business Analysts, Software Developers).
- Contributed to the creation of an interface that managed mass updates of user menus and properties using Angular and Spring Boot.
- Worked heavily on Back-End Java and Spring Boot development to optimize and maintain applications. Also performed Inheritance-based OR mappings in tables to simplify the data in Hibernate.
- Reduced deployment time from 2 hours to 15 minutes through automation of the build process using Maven.
Full Stack Developer
Innowise Group
August 2018 to May 2020
- Developed a Single Page Application (SPA) with React as the Front-End, Spring Boot as the Back-End, and MySQL for Database support.
- Applied React-Bootstrap to design the website's UI, utilizing its responsive web design and integrating the web application with users' online browsing habits to improve performance.
- Developed authentication with JWT and obtained JWT from the Back-End API, storing it in local storage for other page authorizations.
- Implemented Redux to construct the central store for managing global state in the resource management page and project control page.
- Manipulated the database with Hibernate and created Entity to interact with persistence, as well as normalized complicated relationships among tables to optimize database structure.
- Possessed knowledge in Cloud Computing and Amazon Web Services (AWS).
Senior Back-End Developer
Brainbean Apps
October 2016 to April 2018
- Designed and developed Java and Spring Boot Back-End work to update the product offer details.
- Developed automated scripts to deploy services and infrastructure components on AWS.
- Created connections to a database using hibernate session factory, utilizing Hibernate APIs to retrieve and store data to the database with Hibernate transaction control.
- Fixed defects identified during QA testing and redeployed the code to production servers.
- Established Continuous Integration (CI) and Continuous Deployment (CD) practices and standards in creating APIs with Jira and Jenkins.
- Actively involved in Analysis, Design, Development, System Testing, and User Acceptance Testing.
- Designed and implemented microservices in Java and Spring Boot to handle high-volume app requests and developed REST API for web applications.
Back-End Developer
SoftwareMill
October 2015 to August 2016
- Contributed to an inventory management system that reduced the time to capture data by 80% and decreased the number of errors by 40%.
- Achieved a 30% reduction in the app's memory consumption by eliminating duplicate strings through Analysis and Refactoring of the code.
- Provided automation, scalability, and reliability testing for services and infrastructure components in AWS.
- Designed software solutions by analyzing system performance standards, improving performance efficiency by 27%.
- Wrote unit and integration tests to ensure all desired functionality using JUnit (TDD) and Wiremock.
- Deployed Java applications to application servers in an Agile continuous integration environment and automated the entire process.
- Optimized the development of new web applications to reduce development time by 30%.
Education
Warsaw University of Technology
Bachelor's degree in Computer Science
2012 - 2015
Languages
EN
English
Full professional proficiency
PL
Polish
Native or bilingual proficiency
