Kacper J.

Kacper J.

Poland
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About Me

Kacper is a talented full-stack developer with 4+ years of experience in creating software solutions for global companies such as Goldman Sachs and Nokia. He has dived into multiple technologies, currently specializing in Java and JavaScript, including React.js, React Native, Spring Boot, and RxJava. Kacper has an excellent ability to troubleshoot and work with clients to solve problems or find solutions to requests, creating fulfilling user experiences based upon client guidelines.

Frontend

JavaScript React Native React.js

Backend

Spring Python Spring Boot

QA & Testing

Test-driven development (TDD)

Workflow

Git JIRA

Other

Linux Design Patterns Agile software development C++ Full Stack Development Redux RxJava Java Typescript Firebase

Work history

UpStack
UpStack
Full Stack Developer
2021 - Present (4 years)
Remote

  • Create and develop innovative software solutions for different clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

Full Stack DevelopmentJavaJavaScriptReact.jsReact NativeSpring BootRxJavaPython
Goldman Sachs
Goldman Sachs
Full Stack Developer
2019 - Present (6 years)
Poland

  • Worked on designing and implementing new solutions, technologically leading new programming initiatives.

  • Created and developed micro-services using mainly Java and JavaScript.

  • Performed effort estimation of programming tasks and production maintenance.

Full Stack DevelopmentJavaJavaScriptSpring BootReact.jsReact NativeRxJava
Nokia
Nokia
Software Developer
2017 - 2019 (2 years)
Poland

  • Used C++, JavaScript, and Python to design and implement new software solutions.

  • Worked on the development of existing software, as well as peformed software maintenance.

  • Managed software documentation creation for the development team.

JavaScriptC++Python

Showcase

Full Stack Developer - Marcus (Goldman Sachs)
Full Stack Developer - Marcus (Goldman Sachs)

  • Marcus is a platform developed by Goldman Sachs leveraging over 150 years of financial expertise.

  • The project was led by the developer for over 8 months, utilizing React, Redux, and Java/RxJava/Spring.

  • The developer was a full-stack developer with a Scrum team of 7 people.

Software Developer - Base Transceiver Station (NOKIA)
Software Developer - Base Transceiver Station (NOKIA)

  • Worked on a system for BTS (Base Transceiver Station) using C++.

  • Started working on the front-end with Vanilla JS, establishing a foundation for React.

  • Performed code reviews and estimations during the project.

Software Developer - TableTap
Software Developer - TableTap

  • TableTap is a startup founded by 4 friends in 2020 focused on restaurant and bar food ordering.

  • The app currently under development will streamline food and drink ordering experiences.

  • TableTap utilizes React Native, TypeScript, and Firebase for both front-end and back-end development.

Education

Master's degree in Mechatronics
Master's degree in Mechatronics
Wroclaw University of Technology
2012 - 2017 (5 years)