Senior Symfony Developer & AWS Consultant specializing in cloud infrastructure, DevOps, application modernization and software architecture
Aktualisiert am 19.06.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 19.06.2026
Verfügbar zu: 80%
davon vor Ort: 0%
PHP
Legacy
AWS
Symfony
Docker
MySQL
REST
Linux
CI/CD
GitHub
Microservices
modular monolith
Legacy System Migration
Polish
Muttersprache
English
B2/C1

Einsatzorte

Einsatzorte

Berlin (+50km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

7 months
2025-12 - now

Built a document management platform

Lead PHP Developer Symfony 6/7 PHP 8.4 Doctrine ...
Lead PHP Developer

Digital agency ? client products across construction, fashion e-commerce, and healthcare verticals.

  • Construction SaaS (primary): built a document management platform from scratch on Symfony 6.3/7, Doctrine ORM, MariaDB with DDD architecture
  • Implemented JWT auth with refresh tokens, role-based access control (6 roles), file-attachment subsystem, and legacy data-migration tooling
  • Frontend: led React 18?19 / TypeScript modernization ? migrated CRA to Vite 7, upgraded Redux Toolkit, Chakra UI
  • Fashion e-commerce: PHP 8 migration, legacy framework maintenance, GTM analytics, inventory sync
  • Quality: PHPUnit, PHPStan level 6, OpenAPI docs, GitLab CI/CD with dev/prod pipelines, Docker Compose
Symfony 6/7 PHP 8.4 Doctrine MariaDB JWT React 19 TypeScript Vite Redux Toolkit Chakra UI Docker GitLab CI/CD PHPUnit PHPStan
Honki Digital Agency
Poland (Remote)
2 years
2024-01 - 2025-12

PBX/Contact-center platform modernization

Lead PHP Developer Symfony 7.4 PHP 8.4 Doctrine ...
Lead PHP Developer

PBX/Contact-center platform modernization - migrating legacy CodeIgniter telephony platform to Symfony 7.4 / PHP 8.4.

  • Designed and implemented modules across the entire product: Kontakty, SMS, Campaign, Fax, IVR, Wallboard, and admin panel
  • Built REST API with JWT auth, CQRS message handlers, multi-tenancy support, and OpenAPI 3.0 documentation
  • Implemented async workers (Symfony Messenger) and Mercure real-time updates
  • Created multi-database integration layer over five Doctrine connections (PostgreSQL + four legacy MySQL/PostgreSQL databases) with read/write repository separation
  • Managed Doctrine migrations, data migration commands, and bidirectional legacy sync
  • Led the PHP 8.4 / Symfony 7.4 upgrade across the platform

Symfony 7.4 PHP 8.4 Doctrine PostgreSQL MySQL CQRS Messenger Mercure JWT OpenAPI 3.0 REST API
Adescom
Poland (Remote)
6 months
2025-03 - 2025-08

Conducted system architecture review

PHP / DevOps Consultant PHP Symfony CI/CD ...
PHP / DevOps Consultant

Consultancy engagement for one of Poland?s largest HR/benefits platforms.

  • Introduced feature flags to enable safer, more frequent deployments
  • Bridged the gap between development team and management, identifying and addressing unmet developer needs around tooling, processes, and workflow bottlenecks
  • Conducted system architecture review and provided scalability recommendations; consulted on CI/CD best practices and release management
PHP Symfony CI/CD Docker AWS
Benefit Systems S.A.
Poland (Remote)
4 years 5 months
2019-09 - 2024-01

Multi-tenant SaaS Learning Management System

Senior PHP Developer / DevOps Symfony 7 PHP 8.2 Doctrine ...
Senior PHP Developer / DevOps
Multi-tenant SaaS Learning Management System (LMS) serving UK corporate and public sector clients.
  • Sole backend developer: 11 Symfony 7 / PHP 8.2 microservices with CQRS on Symfony Messenger, DDD bounded contexts, and SNS/SQS event-driven routing
  • Optimized high-volume MySQL queries, introduced Redis caching with tag-based invalidation, eliminated enrolment race conditions with atomic counters and row-level locking
  • Patched DQL injection vulnerabilities, hardened JWT auth, led a 52-item security/data-consistency audit preparing for external penetration testing
  • Full AWS infrastructure (ECS Fargate, Aurora MySQL, SNS, SQS, Cognito, ElastiCache, CloudFront, Lambda) managed via Terraform (~216 resources), CI/CD on Bitbucket Pipelines
  • Automated code review and analysis workflows using AI tooling, reducing manual review overhead
Symfony 7 PHP 8.2 Doctrine MySQL/Aurora Redis Symfony Messenger AWS (ECS SNS SQS Cognito Lambda) Terraform Docker PHPUnit PHPStan Sentry OpenAPI
Me Learning Ltd
UK (Remote)
7 years
2012-10 - 2019-09

Applications for Scandinavian real estate market

PHP Developer Symfony Silex PHP ...
PHP Developer
Applications for Scandinavian real estate market ? property listing platforms, web2print, broker and buyer/seller portals.
  • Designed, architected and deployed applications for property sales; REST/SOAP API integrations, BankId authentication
  • Built online payments, product catalogs, transactional workflows; batch image/PDF processing
  • Managed MySQL/PostgreSQL databases, optimized queries for high-traffic scenarios; infrastructure (OVH + AWS)
Symfony Silex PHP MySQL/PostgreSQL Sphinx Search PHPUnit SQS Beanstalk Lambda
Nordic Easy AS
Norway (Remote)
1 year
2018-05 - 2019-04

Stripe payments integration

Security fixes, Stripe payments integration, test coverage, legacy refactoring.

amateurmodels
USA (Remote)
1 year
2017-06 - 2018-05

user management

Zend Framework

AutomotiveTech startup:

  • product listings
  • user management
  • API integrations


Zend Framework
MyServiceHistory
Ireland (Remote)
1 year 6 months
2016-01 - 2017-06

league management

Silex Twig PHPUnit

Sports SaaS for volleyball teams:

  • league management
  • attendance tracking

Silex Twig PHPUnit
Nasali
Poland
6 years 2 months
2006-11 - 2012-12

Full development lifecycle for internal systems

PHP Developer CodeIgniter PHP MySQL/PostgreSQL ...
PHP Developer

EU grants project management, bulk mail application, CMS systems

CodeIgniter PHP MySQL/PostgreSQL Linux PHPUnit jQuery
Upper Silesian Regional Development Agency Co.
Poland

Aus- und Weiterbildung

Aus- und Weiterbildung

2008 ? 2009

Postgraduate Studies - Software Engineering

AGH University of Science and Technology, Kraków


2003 ? 2008

Economic Computer Science

Master?s Degree

University of Economics, Katowice

Kompetenzen

Kompetenzen

Top-Skills

PHP Legacy AWS Symfony Docker MySQL REST Linux CI/CD GitHub Microservices modular monolith Legacy System Migration

Produkte / Standards / Erfahrungen / Methoden

Profile

Senior PHP Developer / DevOps Engineer with 18+ years of experience. Track record of leading full-scale framework migrations (CodeIgniter?Symfony 7, PHP 8.4) and owning complex multi-service architectures end-to-end. Deep expertise in Symfony, DDD, CQRS, and AWS infrastructure automation (Terraform, Docker). Comfortable as sole backend owner or as technical lead. Leverages AI-assisted tooling in daily workflows. 


Technical Skills

Backend

  • PHP 7/8
  • Symfony (2.x?7.4)
  • Doctrine
  • DDD
  • CQRS
  • Event Sourcing
  • SOLID
  • Design Patterns
  • REST/SOAP APIs
  • OpenAPI


AWS

  • ECS
  • EC2
  • SQS
  • SNS
  • SES
  • Lambda
  • S3
  • API Gateway
  • DynamoDB
  • RDS
  • Route53
  • ELB


DevOps

  • Docker
  • Terraform
  • CI/CD (Bitbucket, GitHub Actions)
  • Linux
  • Nginx
  • Bash scripting


Security

  • OWASP Top 10
  • SQL injection prevention
  • XSS/CSRF mitigation
  • input validation


Monitoring

  • Sentry
  • Blackfire
  • Cloudflare


Testing

  • PHPUnit
  • integration testing
  • TDD


Frontend

  • React (Context API, React Query, React Router)
  • JavaScript

Datenbanken

MySQL
Aurora
PostgreSQL
Redis
Sphinx Search

Einsatzorte

Einsatzorte

Berlin (+50km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

7 months
2025-12 - now

Built a document management platform

Lead PHP Developer Symfony 6/7 PHP 8.4 Doctrine ...
Lead PHP Developer

Digital agency ? client products across construction, fashion e-commerce, and healthcare verticals.

  • Construction SaaS (primary): built a document management platform from scratch on Symfony 6.3/7, Doctrine ORM, MariaDB with DDD architecture
  • Implemented JWT auth with refresh tokens, role-based access control (6 roles), file-attachment subsystem, and legacy data-migration tooling
  • Frontend: led React 18?19 / TypeScript modernization ? migrated CRA to Vite 7, upgraded Redux Toolkit, Chakra UI
  • Fashion e-commerce: PHP 8 migration, legacy framework maintenance, GTM analytics, inventory sync
  • Quality: PHPUnit, PHPStan level 6, OpenAPI docs, GitLab CI/CD with dev/prod pipelines, Docker Compose
Symfony 6/7 PHP 8.4 Doctrine MariaDB JWT React 19 TypeScript Vite Redux Toolkit Chakra UI Docker GitLab CI/CD PHPUnit PHPStan
Honki Digital Agency
Poland (Remote)
2 years
2024-01 - 2025-12

PBX/Contact-center platform modernization

Lead PHP Developer Symfony 7.4 PHP 8.4 Doctrine ...
Lead PHP Developer

PBX/Contact-center platform modernization - migrating legacy CodeIgniter telephony platform to Symfony 7.4 / PHP 8.4.

  • Designed and implemented modules across the entire product: Kontakty, SMS, Campaign, Fax, IVR, Wallboard, and admin panel
  • Built REST API with JWT auth, CQRS message handlers, multi-tenancy support, and OpenAPI 3.0 documentation
  • Implemented async workers (Symfony Messenger) and Mercure real-time updates
  • Created multi-database integration layer over five Doctrine connections (PostgreSQL + four legacy MySQL/PostgreSQL databases) with read/write repository separation
  • Managed Doctrine migrations, data migration commands, and bidirectional legacy sync
  • Led the PHP 8.4 / Symfony 7.4 upgrade across the platform

Symfony 7.4 PHP 8.4 Doctrine PostgreSQL MySQL CQRS Messenger Mercure JWT OpenAPI 3.0 REST API
Adescom
Poland (Remote)
6 months
2025-03 - 2025-08

Conducted system architecture review

PHP / DevOps Consultant PHP Symfony CI/CD ...
PHP / DevOps Consultant

Consultancy engagement for one of Poland?s largest HR/benefits platforms.

  • Introduced feature flags to enable safer, more frequent deployments
  • Bridged the gap between development team and management, identifying and addressing unmet developer needs around tooling, processes, and workflow bottlenecks
  • Conducted system architecture review and provided scalability recommendations; consulted on CI/CD best practices and release management
PHP Symfony CI/CD Docker AWS
Benefit Systems S.A.
Poland (Remote)
4 years 5 months
2019-09 - 2024-01

Multi-tenant SaaS Learning Management System

Senior PHP Developer / DevOps Symfony 7 PHP 8.2 Doctrine ...
Senior PHP Developer / DevOps
Multi-tenant SaaS Learning Management System (LMS) serving UK corporate and public sector clients.
  • Sole backend developer: 11 Symfony 7 / PHP 8.2 microservices with CQRS on Symfony Messenger, DDD bounded contexts, and SNS/SQS event-driven routing
  • Optimized high-volume MySQL queries, introduced Redis caching with tag-based invalidation, eliminated enrolment race conditions with atomic counters and row-level locking
  • Patched DQL injection vulnerabilities, hardened JWT auth, led a 52-item security/data-consistency audit preparing for external penetration testing
  • Full AWS infrastructure (ECS Fargate, Aurora MySQL, SNS, SQS, Cognito, ElastiCache, CloudFront, Lambda) managed via Terraform (~216 resources), CI/CD on Bitbucket Pipelines
  • Automated code review and analysis workflows using AI tooling, reducing manual review overhead
Symfony 7 PHP 8.2 Doctrine MySQL/Aurora Redis Symfony Messenger AWS (ECS SNS SQS Cognito Lambda) Terraform Docker PHPUnit PHPStan Sentry OpenAPI
Me Learning Ltd
UK (Remote)
7 years
2012-10 - 2019-09

Applications for Scandinavian real estate market

PHP Developer Symfony Silex PHP ...
PHP Developer
Applications for Scandinavian real estate market ? property listing platforms, web2print, broker and buyer/seller portals.
  • Designed, architected and deployed applications for property sales; REST/SOAP API integrations, BankId authentication
  • Built online payments, product catalogs, transactional workflows; batch image/PDF processing
  • Managed MySQL/PostgreSQL databases, optimized queries for high-traffic scenarios; infrastructure (OVH + AWS)
Symfony Silex PHP MySQL/PostgreSQL Sphinx Search PHPUnit SQS Beanstalk Lambda
Nordic Easy AS
Norway (Remote)
1 year
2018-05 - 2019-04

Stripe payments integration

Security fixes, Stripe payments integration, test coverage, legacy refactoring.

amateurmodels
USA (Remote)
1 year
2017-06 - 2018-05

user management

Zend Framework

AutomotiveTech startup:

  • product listings
  • user management
  • API integrations


Zend Framework
MyServiceHistory
Ireland (Remote)
1 year 6 months
2016-01 - 2017-06

league management

Silex Twig PHPUnit

Sports SaaS for volleyball teams:

  • league management
  • attendance tracking

Silex Twig PHPUnit
Nasali
Poland
6 years 2 months
2006-11 - 2012-12

Full development lifecycle for internal systems

PHP Developer CodeIgniter PHP MySQL/PostgreSQL ...
PHP Developer

EU grants project management, bulk mail application, CMS systems

CodeIgniter PHP MySQL/PostgreSQL Linux PHPUnit jQuery
Upper Silesian Regional Development Agency Co.
Poland

Aus- und Weiterbildung

Aus- und Weiterbildung

2008 ? 2009

Postgraduate Studies - Software Engineering

AGH University of Science and Technology, Kraków


2003 ? 2008

Economic Computer Science

Master?s Degree

University of Economics, Katowice

Kompetenzen

Kompetenzen

Top-Skills

PHP Legacy AWS Symfony Docker MySQL REST Linux CI/CD GitHub Microservices modular monolith Legacy System Migration

Produkte / Standards / Erfahrungen / Methoden

Profile

Senior PHP Developer / DevOps Engineer with 18+ years of experience. Track record of leading full-scale framework migrations (CodeIgniter?Symfony 7, PHP 8.4) and owning complex multi-service architectures end-to-end. Deep expertise in Symfony, DDD, CQRS, and AWS infrastructure automation (Terraform, Docker). Comfortable as sole backend owner or as technical lead. Leverages AI-assisted tooling in daily workflows. 


Technical Skills

Backend

  • PHP 7/8
  • Symfony (2.x?7.4)
  • Doctrine
  • DDD
  • CQRS
  • Event Sourcing
  • SOLID
  • Design Patterns
  • REST/SOAP APIs
  • OpenAPI


AWS

  • ECS
  • EC2
  • SQS
  • SNS
  • SES
  • Lambda
  • S3
  • API Gateway
  • DynamoDB
  • RDS
  • Route53
  • ELB


DevOps

  • Docker
  • Terraform
  • CI/CD (Bitbucket, GitHub Actions)
  • Linux
  • Nginx
  • Bash scripting


Security

  • OWASP Top 10
  • SQL injection prevention
  • XSS/CSRF mitigation
  • input validation


Monitoring

  • Sentry
  • Blackfire
  • Cloudflare


Testing

  • PHPUnit
  • integration testing
  • TDD


Frontend

  • React (Context API, React Query, React Router)
  • JavaScript

Datenbanken

MySQL
Aurora
PostgreSQL
Redis
Sphinx Search

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