fb-pixel

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, Java, Kotlin, 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

-As a tech lead, I am responsible for development, architectural design and quality of our applications.
-Lead development processes from a technical perspective and coordinate efforts of developers.
– I have introduced multi-platform solutions into our tech stack (Kotlin, Native and Flutter)
– As a senior developer, I’m responsible for development of mobile applications for our Clients in Sport, Media and Health industries.
-Developed and led development of several applications reaching millions of users.

Tech stack: Android, Kotlin, Java, Kotlin Native, Flutter

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

– Senior Android Developer – Sii contractor
– Outsourced to Tapptic, later transferred to Tapptic

Android developer / Freelancer - SuperVisor October 2015-March 2016

-Developed an in-house, B2B solution, using beacons, for presence control inside vehicles.

Tech stack: Android

Android Developer / Contractor - Connectis July 2015 - December 2015

-Developed an Android banking application for one of Polish Banks. It handled most of day to day banking operations: transfers, basic account management, new product offers, simple messaging with customer support, etc.

Tech stack: Android

Android Developer - BetterSolutions December 2014 - June 2015

– I was working on a Map & Navigation system for our B2B Customers.
– I enabled our Android application to connect to the truck’s onboard computer and exchange information.

Tech stack: Android

Java Developer - SuperVisor October 2014 - November 2014

-Deployment and integration of Open Street Map (custom map tile server) for company’s vehicle tracking solution

Tech stack: Java EE, Linux, OSM

Android Developer - Samsung Electronics Poland July 2014 - September 2014

– I was working on development of SDK related to S-Pen

Tech stack: Android, Java, Maven, S-Pen SDK (Samsung’s library)

Android Developer - BetterSolutions November 2012 - June 2014

-Development of mobile application with offline navigation capabilities for B2B Client
– I was responsible for custom integration of Open Street Map, extending and adapting the OsmAnd open source project for Client’s requirements.
– Tech stack: Java, Android, Web services, Linux & Bash, OSM, OsmAnd open source project (Android)

Tech stack: Android, Java (Backend)

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

– Developed new features for existing products, maintained backend and frontend applications

Tech stack: PHP, JavaScript, JQuery, MySQL, HTML, Web Frontend

Education history

Gdańsk University of Technology 2006-2009 Gdańsk University of Technology
Bachelor's degree in Computer Science
Download profile as PDF

We’ve helped 83 clients with IT recruitment and software development.

Read about a few of them below...

DevsData LLC Reviews 5.0 stars 37 reviews
Powered byClutch logo
Powered byClutch logo
See more testimonials
Similar blind CVs/resumes
Poland

.Net Developer Resume Sample

Senior .Net Developer with expertise in microservices, Azure, CI/CD, and team leadership.
.NET-icon
.NET
Agile
Azure-icon
Azure
Azure DevOps
C#-icon
C#
CI/CD
CSS-icon
CSS
Docker-icon
Docker
Git-icon
Git
HTML-icon
HTML
JavaScript-icon
JavaScript
Jira
JQuery-icon
JQuery
Kafka
MS SQL
React Native-icon
React Native
React.js
SQL-icon
SQL
Vue-icon
Vue
Rate $17  /  per hour
Poland

Accounts Receivable Resume Sample

I ensure all NAVs are prepared and reported accurately within set deadlines.
Microsoft Excel
Git-icon
Git
MS Office
Power BI
SAP
SQL-icon
SQL
Tableau-icon
Tableau
Rate $14  /  per hour
Poland

Senior Software Engineer Resume Sample

Experienced Software Engineer specializing in leading teams, remote work, and high-quality software delivery.
Lead
Assembler
C-icon
C
C#-icon
C#
C++-icon
C++
CSS-icon
CSS
HTML-icon
HTML
Java-icon
Java
JavaScript-icon
JavaScript
Kotlin-icon
Kotlin
MySQL-icon
MySQL
PHP-icon
PHP
PostgreSQL-icon
PostgreSQL
Swift-icon
Swift
Rate $25  /  per hour
Austria

Research Scientist Resume Sample

Experienced Data Scientist skilled in algorithm development, project leadership, and image processing.
Data Analysis
C++-icon
C++
Git-icon
Git
Machine Learning
MATLAB-icon
MATLAB
Matplotlib
Pandas-icon
Pandas
PostgreSQL-icon
PostgreSQL
Python-icon
Python
SQL-icon
SQL
Rate $16  /  per hour
UK

Test Engineer Resume Sample

Experienced Tester with 10+ years in automation, performance, and compatibility testing across multiple platforms.
Tester
Active Directory
Git-icon
Git
Jenkins-icon
Jenkins
Jira
Python-icon
Python
Selenium
SharePoint
SQL-icon
SQL
XML-icon
XML
Rate $20  /  per hour
Romania

Web Developer Resume Sample

Versatile Full Stack Developer with expertise in creating scalable web apps, UI/UX design, and backend integration.
JavaScript-icon
JavaScript
Bootstrap-icon
Bootstrap
C-icon
C
C++-icon
C++
CSS-icon
CSS
Git-icon
Git
HTML-icon
HTML
Java-icon
Java
JQuery-icon
JQuery
MySQL-icon
MySQL
Node.js-icon
Node.js
PostgreSQL-icon
PostgreSQL
REST APIs
Ruby on Rails-icon
Ruby on Rails
Rate $15  /  per hour
Poland

Full Stack Developer Resume Sample

Senior Full Stack Developer skilled in .NET Core, Angular, microservices, and system architecture.
.NET-icon
.NET
Angular-icon
Angular
Azure-icon
Azure
CI/CD
CSS-icon
CSS
HTML-icon
HTML
JavaScript-icon
JavaScript
Microservices
Rate $40  /  per hour
Poland

Tax Accountant Resume Sample

Experienced Tax Specialist skilled in CIT, VAT, and tax planning with strong client and international focus.
SAP
ChatGPT
Power BI
Visual Basic (VB)
Rate $13  /  per hour
Poland

Tester Resume Sample

Experienced software tester with expertise in mobile and web applications, integration, and defect management.
Postman-icon
Postman
Elasticsearch
Scrum-icon
Scrum
Selenium
SQL-icon
SQL
Rate $20  /  per hour

I agree to and accept that DevsData LLC will provide better user experience by collecting, analyzing and cataloging information about Internet electronic addresses that I have connected with my devices and about the type of my devices (such as the type and version of software) as well as by making automatic decisions (not involving sensitive data). The agreement applies for the legally binding period, or until either the user or DevsData LLC withdraws from the agreement. Withdrawing from the agreement will result in removing the user's data. Please see our privacy policy.

We use cookies to provide the best experience for you. >More about cookie policyarrow

Book a call with our team

For software development projects, minimum engagement is $15,000.

whatsapp
Prefer email?
Quote mark

Best back-end engineers I've ever worked with...​

“I interviewed about a dozen different firms. DevsData LLC is truly exceptional – their backend developers are some of the best I’ve ever worked with. I’ve worked with a lot of very well-qualified developers, locally in San Francisco, and remotely, so that is not a compliment I offer lightly. I appreciate their depth of knowledge and their ability to get things done quickly. “

Avatar

Nicholas Johnson

CEO OF ORANGE CHARGER LLC;

MENTOR AT YCOMBINATOR

Success

Thank you


We'll get back to you within 1 business day.