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Leszek

Senior Mobile Developer at Untitled Kingdom

Available in 2-4 weeks

About

I started my engineering career very early as an iOS engineer, but over last 15 years I became fluent with both iOS and Android platforms as well as backend and React Native. My expertise in HW prototyping allows to quickly create simulators for connected devices. Read more

TALENT DETAILS

€60-80 /h

Senior

English

GMT+01:00 K*****, Poland

FOCUS AREA

Professional experience

Under MNDA

R********

Mobile application for connected wearable device

IoT wearable wristband app for iOS & Android, natively developed over 12 months. Uses BLE for connectivity.

Mobile application for connected wearable device
Mobile application for connected wearable device

Under MNDA

M***** V*****

Mobile application for controlling multiple IoT devices

Swift & Kotlin-based iOS and Android apps for precise control and programming of multiple IoT devices via Bluetooth.

Mobile application for controlling multiple IoT devices
Mobile application for controlling multiple IoT devices

Top Skills and Experience

Verified by Pangea.ai due diligence

9

Skills

Top Skills

Current Usage

Seniority

Swift

15%

15 years

CoreBluetooth

15%

10 years

Kotlin

10%

7 years

Node.js

10%

4 years

React Native

10%

4 years

HealthTech

10%

9 years

Mobile Development

10%

15 years

Backend Development

10%

7 years

IoT & Smart Devices

10%

8 years

Slide 1 of 9

Swift

Current usage

15%

Seniority

15 years

CoreBluetooth

Current usage

15%

Seniority

10 years

Kotlin

Current usage

10%

Seniority

7 years

Node.js

Current usage

10%

Seniority

4 years

React Native

Current usage

10%

Seniority

4 years

HealthTech

Current usage

10%

Seniority

9 years

Mobile Development

Current usage

10%

Seniority

15 years

Backend Development

Current usage

10%

Seniority

7 years

IoT & Smart Devices

Current usage

10%

Seniority

8 years

Swift

Current usage

15%

Seniority

15 years

CoreBluetooth

Current usage

15%

Seniority

10 years

Kotlin

Current usage

10%

Seniority

7 years

Node.js

Current usage

10%

Seniority

4 years

React Native

Current usage

10%

Seniority

4 years

HealthTech

Current usage

10%

Seniority

9 years

Mobile Development

Current usage

10%

Seniority

15 years

Backend Development

Current usage

10%

Seniority

7 years

IoT & Smart Devices

Current usage

10%

Seniority

8 years

Swift

Current usage

15%

Seniority

15 years

CoreBluetooth

Current usage

15%

Seniority

10 years

Kotlin

Current usage

10%

Seniority

7 years

Node.js

Current usage

10%

Seniority

4 years

React Native

Current usage

10%

Seniority

4 years

HealthTech

Current usage

10%

Seniority

9 years

Mobile Development

Current usage

10%

Seniority

15 years

Backend Development

Current usage

10%

Seniority

7 years

IoT & Smart Devices

Current usage

10%

Seniority

8 years

Apps & Tools Preferences

Slide 1 of 2
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Git

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Visual Studio

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Confluence

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Figma

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Slack

avatar

Google Meet

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Macbook built-in recording

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G Suite

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Bitbucket

avatar

Jira

avatar

Todoist

avatar

Firebase

avatar

Git

avatar

Visual Studio

avatar

Confluence

avatar

Figma

avatar

Slack

avatar

Google Meet

avatar

Macbook built-in recording

avatar

G Suite

avatar

Bitbucket

avatar

Jira

avatar

Todoist

avatar

Firebase

avatar

Git

avatar

Visual Studio

avatar

Confluence

avatar

Figma

avatar

Slack

avatar

Google Meet

avatar

Macbook built-in recording

avatar

G Suite

avatar

Bitbucket

avatar

Jira

avatar

Todoist

avatar

Firebase

Slide 1 of 3
avatar

Git

avatar

Visual Studio

avatar

Confluence

avatar

Figma

avatar

Slack

avatar

Google Meet

avatar

Macbook built-in recording

avatar

G Suite

avatar

Bitbucket

avatar

Jira

avatar

Todoist

avatar

Firebase

avatar

Git

avatar

Visual Studio

avatar

Confluence

avatar

Figma

avatar

Slack

avatar

Google Meet

avatar

Macbook built-in recording

avatar

G Suite

avatar

Bitbucket

avatar

Jira

avatar

Todoist

avatar

Firebase

avatar

Git

avatar

Visual Studio

avatar

Confluence

avatar

Figma

avatar

Slack

avatar

Google Meet

avatar

Macbook built-in recording

avatar

G Suite

avatar

Bitbucket

avatar

Jira

avatar

Todoist

avatar

Firebase

Slide 1 of 6
avatar

Git

avatar

Visual Studio

avatar

Confluence

avatar

Figma

avatar

Slack

avatar

Google Meet

avatar

Macbook built-in recording

avatar

G Suite

avatar

Bitbucket

avatar

Jira

avatar

Todoist

avatar

Firebase

avatar

Git

avatar

Visual Studio

avatar

Confluence

avatar

Figma

avatar

Slack

avatar

Google Meet

avatar

Macbook built-in recording

avatar

G Suite

avatar

Bitbucket

avatar

Jira

avatar

Todoist

avatar

Firebase

avatar

Git

avatar

Visual Studio

avatar

Confluence

avatar

Figma

avatar

Slack

avatar

Google Meet

avatar

Macbook built-in recording

avatar

G Suite

avatar

Bitbucket

avatar

Jira

avatar

Todoist

avatar

Firebase

Employment

Senior Mobile Developer

Senior Mobile Developer

Untitled Kingdom


2012-present

Mobile apps development

Education

photo

Bachelors Degree

AGH


2015-2019

Testimonials

Two blue lines

“They are an exceptional Senior Mobile Developer at Untitled Kingdom. Expertise in iOS, Android, backend, and React Native. Impressive HW prototyping skills for simulators.“ Read more

Piotr

CEO

VERIFIED

Two blue lines

“They are an exceptional Senior Mobile Developer at Untitled Kingdom. Expertise in iOS, Android, backend, and React Native. Impressive HW prototyping skills for simulators.“ Read more

Piotr

CEO

VERIFIED

Two blue lines

“They are an exceptional Senior Mobile Developer at Untitled Kingdom. Expertise in iOS, Android, backend, and React Native. Impressive HW prototyping skills for simulators.“ Read more

Piotr

CEO

VERIFIED

Two blue lines

“They are an exceptional Senior Mobile Developer at Untitled Kingdom. Expertise in iOS, Android, backend, and React Native. Impressive HW prototyping skills for simulators.“ Read more

Piotr

CEO

VERIFIED

Two blue lines

“They are an exceptional Senior Mobile Developer at Untitled Kingdom. Expertise in iOS, Android, backend, and React Native. Impressive HW prototyping skills for simulators.“ Read more

Piotr

CEO

VERIFIED

Two blue lines

“They are an exceptional Senior Mobile Developer at Untitled Kingdom. Expertise in iOS, Android, backend, and React Native. Impressive HW prototyping skills for simulators.“ Read more

Piotr

CEO

VERIFIED