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Location

Poland

Rate

$58  / per hour

Years of experience

13+

About

I am an experienced and dedicated Flutter Developer with over a decade of professional experience in the tech industry, specializing in mobile application development. Currently serving as a Tech Lead at Tapptic, I have a proven track record of leading and architecting mobile solutions that significantly enhance user engagement and satisfaction. My technical expertise spans a comprehensive array of technologies including Android, Kotlin, Java, and cross-platform frameworks such as Flutter and Kotlin Native. Driven by a passion for developing innovative mobile applications, I thrive in environments where I can transform complex challenges into intuitive, scalable, and reliable products. I am particularly adept at leading development processes, ensuring the highest quality of software architecture and coordinating the efforts of development teams to deliver projects that consistently exceed client expectations. My career is also marked by a commitment to continuous learning and adaptation, integrating the latest technologies into my work to stay at the forefront of industry trends. Whether working on sports, media, or health applications, I bring a focused approach to quality and an enthusiasm for seeing projects from conception to successful deployment.

Tech Stack

Flutter, Android, Git, HTML, Java, JQuery, Kotlin, Linux, MySQL, Swift

Experience

  • Cross-Platform Development: Develop and maintain mobile applications using Flutter for both iOS and Android platforms, ensuring a consistent and efficient user experience across both ecosystems.
  • Architectural Design: Architect and implement robust and scalable application frameworks and features using Flutter, while adhering to best practices in cross-platform development.
  • Integration of Multi-Platform Solutions: Introduce and integrate multi-platform solutions into the existing tech stack, enhancing the functionality and reach of mobile applications.
  • UI/UX Implementation: Design and implement engaging user interfaces using Flutter’s comprehensive suite of widgets and tools, ensuring applications are intuitive and aesthetically pleasing.
  • Performance Optimization: Optimize application performance for both speed and efficiency across different devices and operating systems, addressing any device-specific issues.
  • Testing and Debugging: Test, troubleshoot, and debug applications to resolve issues, enhance stability, and ensure that the applications meet quality standards.
  • Collaboration and Coordination: Work closely with other developers, UI/UX designers, and stakeholders to ensure requirements are met and to facilitate the seamless integration of new features.

Employment history

Tech Lead / Senior Android Developer - Tapptic June 2011-September 2022

– Led development processes from a technical perspective, including architectural design and ensuring quality of applications.
– Coordinated efforts of development teams and provided technical guidance.
– Introduced multi-platform solutions such as Kotlin Native and Flutter into the tech stack.
– Developed and led the development of mobile applications for clients in the sports, media, and health industries, reaching millions of users.
– Utilized technologies including Android, Kotlin, Java, Kotlin Native, and Flutter.

Senior Android Developer / Contractor - Sii January 2016-December 2017

– Served as a Senior Android Developer for Sii, outsourced to Tapptic.
– Contributed to various Android development projects within Tapptic.
– Conducted code reviews and provided mentorship to junior developers.
– Collaborated with cross-functional teams to ensure seamless integration of applications.
– Implemented best practices and ensured adherence to coding standards.

Android developer / Freelancer - SuperVisor October 2015-March 2016

– Developed an in-house B2B solution using beacons for presence control inside vehicles.
– Utilized Android technology for application development.
– Conducted testing and debugging to ensure the reliability and performance of the application.
– Worked closely with stakeholders to gather requirements and provide technical solutions.
– Maintained and updated the application based on user feedback and new requirements.

Android Developer / Contractor - Connectis July 2015 - December 2015

-Developed an Android banking application for a Polish bank, handling day-to-day banking operations including transfers, account management, new product offers, and messaging with customer support.
– Utilized Android technology for application development.
– Ensured security and compliance with banking regulations within the application.
– Conducted user testing and gathered feedback to improve the application.

Android Developer - BetterSolutions December 2014 - June 2015

– Worked on a Map & Navigation system for B2B customers.
– Enabled Android applications to connect to truck onboard computers for information exchange.
– Utilized Android technology, Kotlin, and Java for application development.
– Collaborated with the backend team to ensure seamless data exchange and synchronization.
– Developed features to enhance user experience and application functionality.

Java Developer - SuperVisor October 2014 - November 2014

– Deployed and integrated Open Street Map (OSM) for a vehicle tracking solution.
– Utilized Java EE, Linux, and OSM for project implementation.
– Conducted performance tuning and optimization of the map server.
– Developed custom features to meet specific client requirements.
– Provided technical support and troubleshooting for the deployed solution.

Android Developer - Samsung Electronics Poland July 2014 - September 2014

– Developed mobile applications with offline navigation capabilities for a B2B client.
– Integrated Open Street Map (OSM) and extended the OsmAnd open-source project to meet client requirements.
– Utilized Java, Android, Web services, Linux & Bash, OSM, and OsmAnd for development.
– Conducted user testing and gathered feedback to improve application features.

Android Developer - BetterSolutions November 2012 - June 2014

– Developed mobile applications with offline navigation capabilities for a B2B client.
– Integrated Open Street Map (OSM) and extended the OsmAnd open-source project to meet client requirements.
– Utilized Java, Android, Web services, Linux & Bash, OSM, and OsmAnd for development.
– Conducted user testing and gathered feedback to improve application features.

Junior PHP Developer - KurJerzy.pl March 2011 - December 2011

– Developed new features and maintained backend and frontend applications for KurJerzy.pl.
– Utilized PHP, JavaScript, jQuery, MySQL, HTML, and Web Frontend technologies.
– Collaborated with the design team to enhance the user interface and user experience.
– Conducted database optimization and query performance tuning.

Education history

Gdańsk University of Technology 2006-2009 Gdańsk University of Technology
Bachelor's degree in Computer Science
Tom Potanski

“80+ clients have experienced exceptional results from our IT recruitment and software development services.”

Tom Potanski

Tom Potanski Founding Partner, DevsData

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"It was a pleasure to work with DevsData. They excelled at commitment, communication skills, and time and team management. They were extremely organized and efficient, and they tackled every part of the project (several projects) with the utmost care."
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Managing Director
Kroll, Inc.
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"DevsData reached out to us, as we've been looking to grow our engineering team in Europe and Poland. Communicating efficiently and professionally, DevsData made a strong impression with their understanding of the recruitment challenges we were facing."
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GlossGenius, Inc.
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Idealab, Inc.
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"I've been working on several IT projects with DevsData for more than five years. There were many software projects they completed for us."
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Verus Analytics LLC
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Roesier, Inc.
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"Tom and his team showed great dedication to us as client and allowed wellbee to launch an Alpha stage of our online therapy product in under 1 month from absolute scratch. I need to congratulate them on the very good UX and UI design and good communication skills of the whole team."
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"Out of all the vendors we work with, DevsData clearly stands out. The quality of developers they deliver is beyond what we've received from any other vendor, and they've been able to send profile recommendations very quickly. I'm happy to be their reference for other companies from Israel and talk about their recruitment abilities and what they delivered for us - we eventually signed over 19 engineers from DevsData. I'm extremely satisfied with this recruitment process."
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Program Manager
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I agree and accept that DevsData LLC will improve the user experience by collecting, analyzing, and cataloging information about the internet addresses my devices have connected to, as well as details about my devices’ specifications and software versions, and by making automated decisions (not involving sensitive data). This agreement remains in effect for the legally binding period or until either party withdraws. Withdrawal will result in the removal of the user’s data. For further details, please see our privacy policy.

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Ex-Tesla Engineer,

Mentor at YCombinator

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Tailored recruitment process, trusted market expertise.

“DevsData reached out to us, as we’ve been looking to grow our engineering team in Europe and Poland. Communicating efficiently and professionally, DevsData made a strong impression with their understanding of the recruitment challenges we were facing. They designed a tailored recruitment process for our needs. I was impressed with the technical depth of their approach.”

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Outstanding vendor, 21 engineers hired.

“Out of all the vendors we work with, DevsData clearly stands out. The quality of developers they deliver is beyond what we've received from any other vendor, and they've been able to send profile recommendations very quickly. I'm happy to be their reference for other companies from Israel and talk about their recruitment abilities and what they delivered for us.”

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