with Backend background and Quality Assurance experience.
Over 17 years of experience across the entire application lifecycle — from requirements gathering and system architecture to deployment and long-term support. Bridging technical execution and business goals.
Who I am
About Me
Team Leader and Senior Software Engineer with a Master of Science in Engineering degree in Computer Science and over 17 years of experience across the entire application lifecycle — from requirements gathering and system architecture to deployment and long-term support.
My core specialization is building scalable, enterprise-grade frontend systems using TypeScript and Angular (v7 to v19). Having a robust background in full-stack development, test automation, and systems engineering, I successfully bridge the gap between technical execution and business goals.
As a Technical Leader, I manage cross-functional teams, collaborating closely with managers, analysts, designers, and QA to ensure timely delivery without compromising code quality. My portfolio spans major industries, including Telecom, Navigation, Heavy Industry & Automation, E-commerce, MedTech, and FinTech.
Led frontend engineering initiatives and small development teams to deliver enterprise-grade web applications for corporate clients in MedTech and Public Sectors. Combined hands-on architecture development with agile process optimization.
Technical Leadership: Headed frontend development teams; introduced structural workflow enhancements, standardized backlog refinement, and managed sprint, release, and deployment planning.
Architecture & Scale: Designed and engineered micro-frontend layouts and complex web platforms using Angular (versions 7 through 19) and Nx monorepos, backed by .NET, Java, and MarkLogic backends.
Performance Optimization: Successfully drove complex system refactoring and redesign initiatives across major applications, delivering outstanding results including up to a 60% reduction in code volume and 2x faster page load speeds.
Stakeholder Management: Conducted regular technical reporting and live feature demonstrations for international clients, translating complex engineering into direct business values.
Quality Assurance: Maintained high engineering standards through strict code reviews, robust branch management strategies, and comprehensive technical documentation.
10/2018 — 11/2018
Senior Software Engineer, Team Leader
Mobica Ltd.
Acted as Technical Leader, coordinating team efforts, planning backlogs, and scheduling sprints.
Managed end-to-end technical documentation and structured knowledge transfer processes within the engineering department.
Conducted technical recruitment interviews to scale engineering teams with top frontend talent.
07/2017 — 09/2018
Software Engineer, Team Leader
Mobica Ltd.
Served as Team and Tech Leader for a high-profile client in the Navigation & Mapping industry, building a test automation framework from scratch.
Facilitated seamless collaboration with global stakeholders through regular international business trips and requirement gathering workshops.
Owned effort estimations, technical solution investigations, and software architecture design.
Maintained continuous deployment pipelines using BitBucket and Jenkins for CI/CD and automated test execution.
Acted as an onboarding mentor for new engineering hires to accelerate team velocity.
11/2015 — 06/2017
Junior Software Engineer
Mobica Ltd.
Developed robust automated testing frameworks for a leading Telecommunications mobile application using Python, Appium, and Selenium.
Engineered highly responsive layouts and modern user interfaces for cloud-based CRM systems using Bootstrap and jQuery.
Identified complex business processes and designed UML modeling diagrams for budget management within the Business Support System group.
11/2013 — 09/2015
Web Developer
Tellogistic Polska
Architected and implemented full-stack web applications using HTML5, CSS3, JavaScript, and PHP.
Designed, optimized, and maintained relational database schemas utilizing MySQL.
Conducted precise project valuations, contract effort estimations, and feature expansions.
Authored detailed, bilingual technical documentation in English and Polish.
Engineered the frontend architecture for an enterprise application dedicated to processing and monitoring motorway toll payments and financial settlements. Developed the system using Angular and Nx monorepo for advanced modularity, retrieving data via REST APIs from a .NET backend.
Beyond continuous application maintenance and feature development, acted as a Technical Leader for a small frontend engineering team. Enhanced development workflows by defining agile processes, managing backlog objects, scheduling meetings, and driving sprint, release, and deployment planning while maintaining detailed technical documentation.
Developed the frontend ecosystem for a high-performance medical platform engineered to aggregate and process massive datasets with rapid, flexible search capabilities. Focused on REST API data consumption, complex data orchestration, and dynamic UI component architecture.
Driven a comprehensive system redesign and architectural refactoring initiative, which successfully achieved a 60% reduction in code volume and 2x faster page load speeds.
Architected and built from scratch a lightweight, user-friendly data intelligence platform designed specifically for Business Analysts. Shared the core Java and MarkLogic backend with the main medical platform while introducing standalone features, including customizable resource tracking, interactive user tutorials, and automated access-request management.
TypeScriptAngular 7Node.jsnpmJavaMarkLogic
Medical Documents Management System
Feb 2019 – Jun 2021 · Billennium
Engineered the frontend application for a medical document generation and compliance system. Developed a robust boilerplate generator capable of cross-template data extraction and real-time template rendering. Managed complex state handling during the initial PoC phase using NgRx before transitioning to a streamlined, lightweight state approach optimized for the application's specific requirements.
TypeScriptAngular 8NgRx (Redux)REST APIBootstrap
MetaTrader Expert Advisor
May 2020 – Dec 2020 · Freelancer
Designed and programmed a proprietary algorithmic trading system (Expert Advisor) for automated exchange market operations. The application executes real-time market trend analysis and automates trade order lifecycles based on strict mathematical strategies. Built using MQL (MetaQuotes Language).
MQL (C-based)Algorithmic TradingReal-time Data Analysis
Electrical Equipment Monitoring System
Mar 2018 – Nov 2018 · Mobica
Designed and implemented a responsive, mobile-optimized user interface for an enterprise application monitoring high-voltage and heavy-duty electrical equipment (motors, industrial starters) deployed across automated factories and heavy industry environments.
JavaScriptHTML5CSS3Responsive DesignMobile UI
Custom Budget Planner & Manager
Jul 2017 – Jul 2018 · Freelancer
Designed and engineered a full-stack financial ecosystem for a professional financial advisor. Implemented a robust multi-tenant user access management system with optional tiered subscriptions, granular permission controls, expense trackers, wealth management planners, and automatic PDF/email report generators. Integrated asynchronous REST APIs to allow real-time data updates without full-page reloads.
Stepped in as Team and Technical Leader for a test automation department serving a global supplier of navigational maps. Architected and maintained a scalable test automation framework within an agile Scrum environment (2-week sprints, 5 sprints per release). Managed code review pipelines, continuous integration nodes, and deployment schedules via Bitbucket and Jenkins while running recruitment interviews to scale the team.
Acted as a Test Automation Engineer for a tier-one telecommunications mobile operator. Designed, expanded, and optimized automated testing scripts and behavioral step definitions. Conducted regular bug tracking, software refactoring, and automated test suite maintenance.
PythonAppiumSeleniumGerritJiraPyCharm
Internal Support System
Feb 2016 – Mar 2017 · Mobica
Executed multi-disciplinary operations within the Business Support System (BSS) department. Set up and customized a CMS platform for internal time-tracking support, performed manual PostgreSQL database fine-tuning, identified corporate business processes, and modeled complex UML diagrams for internal budget administration. Built a lightweight internal survey application and assisted in preparing technical estimates for commercial client proposals.
AngularJSPostgreSQLCMSUMLTechnical Estimations
Various Freelance Projects
Mar 2009 – Dec 2016 · Freelancer
SaaS Platform Refactoring: Re-architected and refactored a client's multi-tenant B2B SaaS sales portal. Migrated legacy spaghetti code into structural MVC design patterns (Factory, Observer, and Singleton). Optimized relational database schemas and heavy SQL queries, resulting in major speed gains. Updated the UI using AdminLTE.
CMS & E-commerce Deployments: Configured, customized, and maintained dozens of CMS and e-commerce ecosystems (WordPress, PrestaShop, Drupal, Joomla, OSCommerce) for various commercial clients, developing bespoke custom modules and optimizing platforms for SEO. Systems Integration: Engineered utility toolsets in PHP, including custom server log parsers and data simulation scripts, integrating them seamlessly with clients' legacy auctioning systems written in ASP.
Developed and styled a modern, fully responsive user interface for a cloud-based CRM application. Programmed client-side validation, interface state transitions, and dynamic application behaviors using jQuery and specialized utility plugins.
JavaScriptjQueryBootgridBootstrapCSSHTML
Custom BRM & CRM System
Jun 2013 – May 2014 · Freelancer
Designed, built, and tested an end-to-end Business Resource Management (BRM) and Customer Relationship Management (CRM) platform automating personnel, client relations, orders, and sales workflows. Developed automated document generation pipelines using TCPdf and built mail dispatch modules. Delivered the application in distinct stages, gathering client feedback between releases for iterative enhancements.
Engineered a custom Content Management System featuring advanced interactive routing tools. Integrated and extended the Google Maps API, enabling non-technical administrators to draw custom geographical routes and pin Points of Interest (POIs) directly from an administrative dashboard.
PHPMySQLJavaScriptjQueryGoogle Maps APIPHPMailer
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