freiberufler Full-Stack Developer auf freelance.de

Full-Stack Developer

offline
  • auf Anfrage
  • 85716 Unterschleißheim
  • Europa
  • be
  • 17.03.2026
  • Contract ready

Kurzvorstellung

Ich bin vielseitiger Full-Stack-Entwickler mit über 10 Jahren Erfahrung in der Softwareentwicklung.

Auszug Referenzen (6)

"Reliable Full-Stack Engineer, delivered high-quality work efficiently and collaborated smoothly with our team."
Senior Full-stack Developer
Nikolay Miron
Tätigkeitszeitraum

1/2022 – 11/2024

Tätigkeitsbeschreibung

Migrated legacy systems to microservices architecture, enhancing scalability and performance.
Coordinated inter-service communication across multiple systems.
Developed and maintained CI/CD pipelines for efficient deployment and testing.
Designed, optimized, and maintained databases for improved performance.
Integrated third-party services to expand platform functionality.
Developed new features and implemented improvements throughout the development lifecycle.
Fixed bugs, conducted code reviews, and refactored legacy code.
Contributed to sprint planning, daily meetings, retrospectives, and demos.
Assisted with release planning and execution, ensuring smooth delivery of new features.
Designed and developed proof of concepts and technical solution designs.
Provided technical support for team members and onboarded newcomers.

Eingesetzte Qualifikationen

Angular, Kubernetes, PHP, Symfony, Zend Framework

"Skilled Full-Stack Engineer, consistently met deadlines and provided excellent support throughout the project."
Lead Front-end Developer
Kundenname anonymisiert
Tätigkeitszeitraum

4/2021 – 1/2022

Tätigkeitsbeschreibung

Front-end development.
Discussing and implementation of new features.
Bug fixing.
Code review.
Mentoring team members.
Analyzing existing solutions and meetings to discuss improvements.
Participation in Scrum dailies and progress reporting.

Eingesetzte Qualifikationen

Docker, Angular

"Professional and proactive developer, consistently supported the project and ensured smooth execution."
TL / Architect Senior Developer
Nikolay Miron
Tätigkeitszeitraum

6/2018 – 4/2021

Tätigkeitsbeschreibung

Content Management System development including easy-to-use customization panel providing the Client with unfancied flexibility in terms of website look&feel.
Discussing and implementation of architecture.
Design and develop proof of concepts
Custom packaging system development.
Custom price management system development.
Integration with 3-d party inventory system.
Inventory system development.
Social media & analytics integration.
Online payment system integration.
Code reviewing & refactoring.
Contribute in all phases of the development lifecycle.
Communication with the customer.
Mentoring of junior developers.
CI implementation.
Decision making.
Participation in the development of a microservice architecture based on RabbitMQ, including content, tour and price management systems (Symfony 4+) with a UI based on Angular 8+.
Bug fixing.

Eingesetzte Qualifikationen

Mysql, Docker, Typescript, Angular, JavaScript, Jquery, PHP, Symfony, Vue.Js, WordPress

"Reliable Full-Stack Engineer, delivered quality work on time and collaborated effectively with the team."
Full-stack Developer
Kundenname anonymisiert
Tätigkeitszeitraum

1/2016 – 7/2018

Tätigkeitsbeschreibung

Front-end development.
Back-end development.
GP Hub (SOAP) integration.
Project lifecycle support.

Eingesetzte Qualifikationen

Mysql, Docker, AngularJS, HTML5, PHP

"Dependable developer, consistently delivered high-quality work and collaborated smoothly with our team."
Full-stack Developer
Kundenname anonymisiert
Tätigkeitszeitraum

11/2015 – 3/2016

Tätigkeitsbeschreibung

Front-end development.
Back-end development.
Project lifecycle support.
UI testing.

Eingesetzte Qualifikationen

Mysql, Git, HTML5, JavaScript, Jquery, PHP, WordPress

"Versatile Full-Stack Engineer with 10+ years’ experience in PHP, MySQL, JS/TS, and Microservices. Expert in architecture and delivery."
Full-stack Developer
Kundenname anonymisiert
Tätigkeitszeitraum

10/2015 – 4/2018

Tätigkeitsbeschreibung

Convert site layout to Wordpress Templates, cleanup CSS.
Prepare custom data structure for site’s content.
Implement full site content cloning.
Adapt, bugfix used plugins for seamless interaction.
WebCRM API (SOAP) integration.
Google Analytics API integration.

Eingesetzte Qualifikationen

Mysql, Docker, HTML5, JavaScript, PHP, WordPress

Geschäftsdaten

 Gewerbetreibend
 Steuernummer bekannt
 Berufshaftpflichtversicherung aktiv

Qualifikationen

  • Angular7 J.
  • Docker7 J.
  • HTML52 J.
  • JavaScript6 J.
  • Jquery4 J.
  • Mysql6 J.
  • PHP9 J.
  • Symfony7 J.
  • Typescript4 J.
  • Wordpress

Projekt‐ & Berufserfahrung

Senior Full-stack Developer
Travel platform, Unterschleißheim
8/2025 – 3/2026 (8 Monate)
Tourismus und Freizeitwirtschaft
Tätigkeitszeitraum

8/2025 – 3/2026

Tätigkeitsbeschreibung

Designed and developed modular backend services using NestJS and TypeScript, implementing domain-driven module boundaries, CQRS patterns, and scalable service architecture.
Implemented and maintained relational data models and persistence layers using PostgreSQL, TypeORM, migrations, and transactional business workflows.
Integrated multiple third-party services including travel providers, payment gateways, authentication systems, marketing platforms, and secure tokenization providers.
Developed and supported customer-facing and administrative web applications using Next.js and React, implementing booking flows, dashboards, authentication mechanisms, and payment-related interfaces.
Designed and maintained shared monorepo packages including reusable UI components, API clients, authentication helpers, and cross-runtime schemas using Zod.
Implemented search, caching, and background data-processing workflows using OpenSearch, Redis, and scheduled workers to optimize platform performance.
Established quality assurance processes including unit, integration, and end-to-end testing with Jest and Supertest, as well as static code analysis with ESLint and TypeScript validation.
Maintained containerized development environments and automated CI/CD pipelines using Docker and GitHub Actions, enabling consistent builds, testing, and deployment workflows.
Performed code reviews, ensuring high code quality, adherence to coding standards, and architectural consistency across the codebase.
Mentored and supported team members, including onboarding new developers, sharing knowledge, and assisting with complex technical tasks.
Collaborated with cross-functional teams during sprint planning, technical discussions, and release preparation, contributing to architecture decisions and delivery planning.
Participated in refactoring and system improvement initiatives to enhance maintainability, performance, and long-term scalability of the platform.

Eingesetzte Qualifikationen

Docker, Node.Js, React (JavaScript library), Typescript

TL / Architect Senior Developer
Travel management applications infrastructure, Unterschleißheim
11/2024 – 8/2025 (10 Monate)
Tourismus und Freizeitwirtschaft
Tätigkeitszeitraum

11/2024 – 8/2025

Tätigkeitsbeschreibung

Led the upgrade of multiple services from PHP 7.3/7.4 to PHP 8.4, including modernization of frameworks, libraries, and internal tooling
Designed, optimized, and maintained high-performance database structures, ensuring scalability and reliability across all services
Integrated new third-party services to extend the platform’s capabilities and automate internal processes
Developed and maintained CI/CD pipelines, improving deployment reliability and reducing delivery time
Redesigned the B2C customer portal, improving usability, performance, and maintainability
Created proof-of-concept implementations and produced architectural & technical solution designs
Authored internal guidelines and workflow documentation, ensuring consistent standards across the team
Provided day-to-day technical leadership, including mentoring developers, reviewing code, offering architectural guidance, and supporting team members with complex tasks
Participated in sprint planning and release coordination, helping shape priorities and ensuring smooth delivery
Drove refactoring and system modernization initiatives, improving long-term maintainability
Helped define development best practices and coding standards

Eingesetzte Qualifikationen

Angular, Docker, JavaScript, Jquery, Mysql, PHP, Symfony, Typescript, Wordpress

Senior Full-stack Developer
Travel software development, Unterschleißheim
1/2022 – 11/2024 (2 Jahre, 11 Monate)
Tourismus und Freizeitwirtschaft
Tätigkeitszeitraum

1/2022 – 11/2024

Tätigkeitsbeschreibung

Migrated legacy systems to microservices architecture, enhancing scalability and performance.
Coordinated inter-service communication across multiple systems.
Developed and maintained CI/CD pipelines for efficient deployment and testing.
Designed, optimized, and maintained databases for improved performance.
Integrated third-party services to expand platform functionality.
Developed new features and implemented improvements throughout the development lifecycle.
Fixed bugs, conducted code reviews, and refactored legacy code.
Contributed to sprint planning, daily meetings, retrospectives, and demos.
Assisted with release planning and execution, ensuring smooth delivery of new features.
Designed and developed proof of concepts and technical solution designs.
Provided technical support for team members and onboarded newcomers.

Eingesetzte Qualifikationen

Angular, Kubernetes, PHP, Symfony, Zend Framework

Lead Front-end Developer
Global B2B Network, Unterschleißheim
4/2021 – 1/2022 (10 Monate)
Tourismus und Freizeitwirtschaft
Tätigkeitszeitraum

4/2021 – 1/2022

Tätigkeitsbeschreibung

Front-end development.
Discussing and implementation of new features.
Bug fixing.
Code review.
Mentoring team members.
Analyzing existing solutions and meetings to discuss improvements.
Participation in Scrum dailies and progress reporting.

Eingesetzte Qualifikationen

Docker, Angular

TL / Architect Senior Developer
Travel management applications infrastructure, Unterschleißheim
6/2018 – 4/2021 (2 Jahre, 11 Monate)
Tourismus und Freizeitwirtschaft
Tätigkeitszeitraum

6/2018 – 4/2021

Tätigkeitsbeschreibung

Content Management System development including easy-to-use customization panel providing the Client with unfancied flexibility in terms of website look&feel.
Discussing and implementation of architecture.
Design and develop proof of concepts
Custom packaging system development.
Custom price management system development.
Integration with 3-d party inventory system.
Inventory system development.
Social media & analytics integration.
Online payment system integration.
Code reviewing & refactoring.
Contribute in all phases of the development lifecycle.
Communication with the customer.
Mentoring of junior developers.
CI implementation.
Decision making.
Participation in the development of a microservice architecture based on RabbitMQ, including content, tour and price management systems (Symfony 4+) with a UI based on Angular 8+.
Bug fixing.

Eingesetzte Qualifikationen

Mysql, Docker, Typescript, Angular, JavaScript, Jquery, PHP, Symfony, Vue.Js, WordPress

Full-stack Developer
Application for travel agency, Unterschleißheim
1/2016 – 7/2018 (2 Jahre, 7 Monate)
Tourismus und Freizeitwirtschaft
Tätigkeitszeitraum

1/2016 – 7/2018

Tätigkeitsbeschreibung

Front-end development.
Back-end development.
GP Hub (SOAP) integration.
Project lifecycle support.

Eingesetzte Qualifikationen

Mysql, Docker, AngularJS, HTML5, PHP

Full-stack Developer
E-commerce website, Unterschleißheim
11/2015 – 3/2016 (5 Monate)
Tourismus und Freizeitwirtschaft
Tätigkeitszeitraum

11/2015 – 3/2016

Tätigkeitsbeschreibung

Front-end development.
Back-end development.
Project lifecycle support.
UI testing.

Eingesetzte Qualifikationen

Mysql, Git, HTML5, JavaScript, Jquery, PHP, WordPress

Full-stack Developer
Web-sites for travel agency, Unterschleißheim
10/2015 – 4/2018 (2 Jahre, 7 Monate)
Tourismus und Freizeitwirtschaft
Tätigkeitszeitraum

10/2015 – 4/2018

Tätigkeitsbeschreibung

Convert site layout to Wordpress Templates, cleanup CSS.
Prepare custom data structure for site’s content.
Implement full site content cloning.
Adapt, bugfix used plugins for seamless interaction.
WebCRM API (SOAP) integration.
Google Analytics API integration.

Eingesetzte Qualifikationen

Mysql, Docker, HTML5, JavaScript, PHP, WordPress

Ausbildung

Master's Degree in Computer Technologies
2015
Belarusian State University of Informatics and Radioelectronics
2015
Minsk

Über mich

Ich verfüge über Expertise in allen Phasen des Softwareentwicklungszyklus, einschließlich Kundenberatung, Architekturplanung, Implementierung und Bereitstellung. Er besitzt ausgeprägte analytische und problemlösende Fähigkeiten, die ihm helfen, komplexe Anforderungen in skalierbare und effiziente Lösungen umzusetzen.

Weitere Kenntnisse

Languages: Php, Javascript, TypeScript, Python
Frameworks: Symfony, Yii, Laravel, Angular, Vue, Express
Web Technologies: HTML, CSS, Sass, Redux, ImmutableJs, RxJs, NgRx, Clarity, Bootstrap
Database Software: MySQL, Redis, ElasticSearch, MongoDB
Build managers: Composer, Npm
Tests: Codeception, Chai, Mocha

Persönliche Daten

Sprache
  • Belarussisch (Muttersprache)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
Home-Office
unbedingt
Profilaufrufe
122
Alter
35
Berufserfahrung
10 Jahre und 11 Monate (seit 11/2015)
Projektleitung
10 Jahre

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