Peter Malecki
@petermalecki
Multi-skilled full-stack engineer focused on React and cross-platform apps.
What I'm looking for
I am a multi-skilled full-stack engineer with fourteen years' experience building business and large consumer applications, working across web, mobile, smart TV and embedded devices for companies such as Sky, Vodafone and Nokia Siemens Networks.
I specialise in ReactJS, React Native and TypeScript, and have delivered end-to-end features, integrations (Xero, QuickBooks, PubNub, Zoom), CI/CD pipelines, and cross-platform debugging on Apple TV, Roku, LG and Samsung devices. I mentor developers, drive architectural improvements, and consistently reduce code complexity while increasing maintainability and performance.
I seek to apply my can-do attitude to ReactJS/React Native or full-stack roles where I can contribute to product architecture, mentor teams, and deliver reliable, user-focused solutions.
Experience
Work history, roles, and key accomplishments
Full Stack Developer
Flocast
May 2025 - Jul 2025 (2 months)
Enhanced Flocast accounting platform by integrating Xero and QuickBooks, adding multi-currency support, salaries/tax pages, and charts, and improving deployment and documentation to accelerate developer onboarding.
Built and refactored React-based call-management portal, led architectural decisions, migrated React Flow versions, reduced codebase size by ~70%, and mentored engineers to improve productivity and reliability.
JavaScript Engineer
Freelance
Oct 2022 - Jan 2023 (3 months)
Delivered full-stack features for an examination system and pension portals, added webcam/audio verification, debugged front- and back-end issues, and improved CI pipelines for reliable deployments.
Maintained Now TV high-traffic apps across Apple TV, Roku, Samsung and LG by implementing missing features, refactoring to reduce build size, adding tests, and debugging multi-platform device issues.
Full-Stack React Native Developer
NAVA
Feb 2020 - Jun 2020 (4 months)
Developed and refactored a React Native MERN mobile app for event discovery, introduced redux-saga architecture, reduced code duplication by 30%, and implemented analytics and cross-platform debugging.
ReactJS Frontend Developer
Connex One
Aug 2019 - Feb 2020 (6 months)
Implemented reusable React components, forms and dashboards for an omni-channel customer-support platform, refactored code to improve testability, and supported delivery to meet tight deadlines.
Software Engineer
Petards Joyce-Loebl Ltd
Feb 2017 - Mar 2019 (2 years 1 month)
Rewrote and integrated C++/Qt CCTV systems for embedded Linux devices, designed GUIs and tools to automate camera configuration, and improved modularity and multithreading robustness.
Software Engineer
Faculty of 1000
Jun 2014 - Feb 2017 (2 years 8 months)
Designed and implemented multithreaded C++ applications with Qt for Mac/Windows, automated testing and integrations with MS Word, and improved application profiling and reliability.
Senior Software Engineer
ION Concept Systems
Jul 2012 - Jun 2014 (1 year 11 months)
Contributed to SQS Perseus real-time QC application using Qt and C++, implemented GUI features and database APIs, and supported testing and release processes in Agile teams.
Education
Degrees, certifications, and relevant coursework
Wroclaw University of Science and Technology
Bachelor of Engineering, Electronics and Telecommunications
2006 - 2011
Completed a BEng in Electronics and Telecommunications with coursework in computer science, signal processing, and telecommunication systems; final project developed a GUI application for controlling a thermal conductivity measurement system.
Catholic Secondary School in Wielun
Secondary School Diploma, Mathematics and Computer Science
2003 - 2006
Completed a Mathematics and Computer Science profile at secondary school level.
First Level Public Music School in Wielun
Music School Certificate, Music (Piano)
1997 - 2003
Studied piano lessons at the first level public music school.
Tech stack
Software and tools used professionally
Xero
Postman
ECharts
GitHub
GitLab
Jenkins
SDL
React Native
PostgreSQL
MongoDB
iCloud
Node.js
Next.js
NestJS
Tailwind CSS
Material-UI
Mixpanel
Figma
Jira
Bugzilla
CMake
styled-components
Ember.js
jQuery
axios
Lodash
Webpack
JavaScript
PHP
JSON
Objective-C
Visual Basic
XML
TypeORM
fastlane
React Cosmos
Ubuntu
CentOS
Linux
iOS
Windows
pnpm
Heroku
Trello
GraphQL
Firebase
Socket.IO
PubNub
Zustand
Chakra UI
NGINX
Toolkit
Hudson
Internet Explorer
QuickBooks
Turborepo
Refine
Clerk
Vite
Availability
Location
Authorized to work in
Job categories
Skills
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