06/17/2026 updated


100 % available
Senior Software Engineer
Września, Poland
Only remote
Bachelor in ManagementAbout me
Senior Full Stack Engineer with 8+ years of experience building SaaS platforms, dashboards, and web applications using React, TypeScript, Next.js, Vue.js, and Node.js. Experienced in frontend architecture, backend services, APIs, performance optimization, and Agile delivery.
PWAMobile Application DevelopmentNext.jsTypeScriptFront End (Software Engineering)React.jsVue.jsBackendBackend ProgrammingTesting (Hardware)Full Stack DevelopmentGraphQLReact NativeFront End Software Development
React & TypeScript Development
Expertise in building scalable web applications, SaaS platforms, dashboards, and customer-facing products using React, TypeScript, and Next.js. Development of reusable UI systems, admin panels, and Progressive Web Applications with offline-first functionality.
Frontend Architecture & Performance Optimization
Strong background in frontend architecture design, application performance optimization, and refactoring of legacy frontend modules. Experience with Monorepo setups using Turborepo and Module Federation for large-scale applications.
API Integration & State Management
Proficiency in integrating REST APIs and GraphQL with Apollo, as well as managing application state using Redux and Saga. Experience building complex scheduling systems and real-time application features.
Vue.js Development
Experience building admin panels, dashboards, and internal business tools using Vue.js alongside React in multi-framework project environments.
React Native & Mobile Development
Knowledge of React Native for cross-platform mobile application development as part of modern JavaScript ecosystems.
Backend Development with Node.js & NestJS
Additional experience in backend development using Node.js, NestJS, and Express, enabling full-stack contribution to projects.
Tools & Workflow
Proficient use of Git for version control, Vitest for testing, CI/CD pipelines for continuous integration and delivery, Figma for design collaboration, and AI-assisted workflow tools.
Progressive Web Applications (PWA)
Development of Progressive Web Applications with offline-first functionality using React, improving accessibility and user experience in low-connectivity environments.
Electron & Desktop Application Development
Experience developing desktop applications and internal systems using Electron for employee operational management and business tooling.
WordPress & jQuery
Development of commercial websites, landing pages, and booking systems using JavaScript, jQuery, WordPress, HTML, CSS, and REST API integrations.
Expertise in building scalable web applications, SaaS platforms, dashboards, and customer-facing products using React, TypeScript, and Next.js. Development of reusable UI systems, admin panels, and Progressive Web Applications with offline-first functionality.
Frontend Architecture & Performance Optimization
Strong background in frontend architecture design, application performance optimization, and refactoring of legacy frontend modules. Experience with Monorepo setups using Turborepo and Module Federation for large-scale applications.
API Integration & State Management
Proficiency in integrating REST APIs and GraphQL with Apollo, as well as managing application state using Redux and Saga. Experience building complex scheduling systems and real-time application features.
Vue.js Development
Experience building admin panels, dashboards, and internal business tools using Vue.js alongside React in multi-framework project environments.
React Native & Mobile Development
Knowledge of React Native for cross-platform mobile application development as part of modern JavaScript ecosystems.
Backend Development with Node.js & NestJS
Additional experience in backend development using Node.js, NestJS, and Express, enabling full-stack contribution to projects.
Tools & Workflow
Proficient use of Git for version control, Vitest for testing, CI/CD pipelines for continuous integration and delivery, Figma for design collaboration, and AI-assisted workflow tools.
Progressive Web Applications (PWA)
Development of Progressive Web Applications with offline-first functionality using React, improving accessibility and user experience in low-connectivity environments.
Electron & Desktop Application Development
Experience developing desktop applications and internal systems using Electron for employee operational management and business tooling.
WordPress & jQuery
Development of commercial websites, landing pages, and booking systems using JavaScript, jQuery, WordPress, HTML, CSS, and REST API integrations.
Languages
EnglishGoodPolishGoodRussianNative speaker
Project history
Developed and maintained scalable web applications for international clients across SaaS,
education, logistics, and betting domains.
Built admin panels, dashboards, internal business tools, and customer-facing platforms using
React, Vue.js, TypeScript, and modern JavaScript technologies.
Worked on frontend architecture, backend services, API integrations, and application
performance optimization.
Refactored application modules and improved maintainability of large-scale systems.
Collaborated closely with developers, designers, and product teams in Agile environments.
Developed complex scheduling systems and real-time application features.
Built reusable UI components and backend functionality supporting business-critical
workflows.
Developed Progressive Web Applications (PWA) with offline-first functionality, improving
accessibility and user experience in low-connectivity environments.
Projects: Eagle Meldestellen-Service, PartyBet, Aneta, Yayem, Spaceti, Dolittle (NSG)
Tech Stack: React, TypeScript, Next.js, Vue.js, Node.js, NestJS, Redux, GraphQL,
Apollo, PostgreSQL, Monorepo
Developed internal business tools and web applications using React, TypeScript, Redux, and Electron. Built and maintained corporate websites and customer-facing platforms for external clients. Developed desktop applications and internal systems for employee operational management. Collaborated with cross-functional teams on UI implementation, feature development, and ongoing application support. Projects: Duefocus timetracker, Qarea. Tech Stack: React, TypeScript, Redux, Electron, JavaScript, Saga, Gatsby, Headless CMS.
Developed commercial websites, landing pages, booking systems, and custom business solutions for various clients. Worked with JavaScript, jQuery, WordPress, and custom frontend implementations. Built responsive user interfaces and integrated third-party services and APIs. Collaborated directly with clients on project requirements, feature implementation, and ongoing website support. Tech Stack: JavaScript, jQuery, WordPress, HTML, CSS, REST API.