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I am a self-motivated Kotlin developer with over 5 years of experience collaborating and working on multiple web-based projects. I am passionate and hardworking, with a focus on developing customized interfaces that address unique demands for accessibility, reachability, and security. I have an organized approach to managing multiple concurrent deadlines. I actively pull from my knowledge of the current technology landscape to promote best practices in software design. My experience includes code review, API development, database optimization, and working with modern development standards.…I am a self-motivated Kotlin developer with over 5 years of experience collaborating and working on multiple web-based projects. I am passionate and hardworking, with a focus on developing customized interfaces that address unique demands for accessibility, reachability, and security. I have an organized approach to managing multiple concurrent deadlines. I actively pull from my knowledge of the current technology landscape to promote best practices in software design. My experience includes code review, API development, database optimization, and working with modern development standards.

Jakub Szwed

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I am a self-motivated Kotlin developer with over 5 years of experience collaborating and working on multiple web-based projects. I am passionate and hardworking, with a focus on developing customized interfaces that address unique demands for accessibility, reachability, and security. I have an organized approach to managing multiple concurrent deadlines. I actively pull from my knowledge of the current technology landscape to promote best practices in software design. My experience includes code review, API development, database optimization, and working with modern development standards.…I am a self-motivated Kotlin developer with over 5 years of experience collaborating and working on multiple web-based projects. I am passionate and hardworking, with a focus on developing customized interfaces that address unique demands for accessibility, reachability, and security. I have an organized approach to managing multiple concurrent deadlines. I actively pull from my knowledge of the current technology landscape to promote best practices in software design. My experience includes code review, API development, database optimization, and working with modern development standards.

Available to hire

I am a self-motivated Kotlin developer with over 5 years of experience collaborating and working on multiple web-based projects. I am passionate and hardworking, with a focus on developing customized interfaces that address unique demands for accessibility, reachability, and security. I have an organized approach to managing multiple concurrent deadlines.

I actively pull from my knowledge of the current technology landscape to promote best practices in software design. My experience includes code review, API development, database optimization, and working with modern development standards.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Polish

Fluent

English

Fluent

Work Experience

Kotlin Developer at DAC.Digital

December 1, 2023 - August 25, 2025

Worked on a Dutch auctioning platform used by a high number of users. Participated in regular code reviews ensuring high-quality standards were met consistently across all development efforts. Optimized SQL database structures for efficient data storage and retrieval. Utilized Kotlin, Ktor, Exposed, Arrow, MySQL, and Azure technologies.

Kotlin Developer at Airthings

December 1, 2023 - Present

Worked in a project for creating air quality control sensors. Debugged complex software issues leading to a more stable product release. Reduced development time by creating reusable code libraries for future projects. Updated old codebases to modern development standards, improving functionality. Utilized Kotlin, Spring, AWS, MariaDB, Exposed, Vert.x, and Kafka technologies.

Software Development Engineer at Amazon Development Center

March 1, 2022 - August 25, 2025

Developed Alexa celebrity voices feature and created products used by millions daily. Designed reusable and reliable code for use within distributed cloud environments. Collaborated on stages of system development lifecycle from requirement gathering to production releases. Used Java, Typescript, AWS, CDK, and React in this role.