10/07/2026 updated
100 % available
Senior Software Engineer | Python, PHP, Java | Microservices, Cloud & Full-Stack Development
Poland
Worldwide
MA Sociology, Warsaw University (2005)Java (Programming Language)JavaScriptPHPDjangoPython (Programming Language)SymfonyTypeScriptFlaskFastAPIKubernetesSalesforce Commerce CloudDockerMicroservices
Python & Backend Development
Extensive expertise in Python-based backend development using Django, Django REST Framework, FastAPI, and Flask. Delivery of scalable microservices and distributed systems across large enterprise platforms.
Cloud & DevOps Engineering
Broad experience with AWS, AWS SDK, GCP, Azure, Docker, Kubernetes, Terraform, Jenkins, and CI/CD pipelines. End-to-end ownership of cloud infrastructure and deployment workflows.
Microservices & Distributed Systems Architecture
Deep knowledge in designing and delivering microservice architectures, event-driven systems using Kafka and RabbitMQ, and REST APIs across complex enterprise environments.
PHP & Symfony Framework
Long-standing experience in PHP development using Symfony, CakePHP, and Doctrine ORM for web applications, software modernization, and refactoring projects.
Salesforce CRM Development
Hands-on development in Salesforce using Apex, Aura, and Lightning Web Components (LWC) for enterprise CRM solutions used across hundreds of client instances globally.
Frontend Development
Proficiency in TypeScript, JavaScript, Angular, React, jQuery, HTML, and CSS for full-stack and frontend application development.
Database Management
Experience with MySQL, PostgreSQL, MSSQL, Oracle, MongoDB, Redis, and Memcache for relational and non-relational database design and management.
AI/ML & LLM-Assisted Engineering
Knowledge in AI/ML, Deep Learning, Spec-Driven Development, and LLM-Assisted Engineering, supported by Salesforce AI Associate and LinkedIn Learning AI/ML certificates.
Test-Driven Development & Software Quality
Application of TDD, unit testing, and Spec-Driven Development methodologies to ensure software quality and reliability throughout the full SDLC.
Java & Cross-Language Engineering
Cross-language engineering capabilities including Java, Groovy, Ruby, and Apex, enabling versatile contributions across diverse technology stacks.
Extensive expertise in Python-based backend development using Django, Django REST Framework, FastAPI, and Flask. Delivery of scalable microservices and distributed systems across large enterprise platforms.
Cloud & DevOps Engineering
Broad experience with AWS, AWS SDK, GCP, Azure, Docker, Kubernetes, Terraform, Jenkins, and CI/CD pipelines. End-to-end ownership of cloud infrastructure and deployment workflows.
Microservices & Distributed Systems Architecture
Deep knowledge in designing and delivering microservice architectures, event-driven systems using Kafka and RabbitMQ, and REST APIs across complex enterprise environments.
PHP & Symfony Framework
Long-standing experience in PHP development using Symfony, CakePHP, and Doctrine ORM for web applications, software modernization, and refactoring projects.
Salesforce CRM Development
Hands-on development in Salesforce using Apex, Aura, and Lightning Web Components (LWC) for enterprise CRM solutions used across hundreds of client instances globally.
Frontend Development
Proficiency in TypeScript, JavaScript, Angular, React, jQuery, HTML, and CSS for full-stack and frontend application development.
Database Management
Experience with MySQL, PostgreSQL, MSSQL, Oracle, MongoDB, Redis, and Memcache for relational and non-relational database design and management.
AI/ML & LLM-Assisted Engineering
Knowledge in AI/ML, Deep Learning, Spec-Driven Development, and LLM-Assisted Engineering, supported by Salesforce AI Associate and LinkedIn Learning AI/ML certificates.
Test-Driven Development & Software Quality
Application of TDD, unit testing, and Spec-Driven Development methodologies to ensure software quality and reliability throughout the full SDLC.
Java & Cross-Language Engineering
Cross-language engineering capabilities including Java, Groovy, Ruby, and Apex, enabling versatile contributions across diverse technology stacks.
Experience
Professional experience10+ years
Freelancer since2009
Languages
EnglishFluentPolishNative speaker
Project history
End-to-end software engineering of scalable microservices for intelligent platforms enabling clients to adopt, train, and operationalise AI across their business workflows. Technologies: Python, TypeScript, Django, DRF, FastAPI, React, Docker, TDD, CI/CD, SDD, and AI-assisted software delivery.
End-to-end engineering of Salesforce CRM in Apex, Aura, and LWC, together with the design and delivery of new applications in microservice architecture using PHP, Python, MySQL, MongoDB, AWS, AWS SDK, Kafka, TypeScript, Angular, Docker, and Kubernetes.
Software modernization and refactoring, together with the design and delivery of new application modules and new BI applications using PHP, Python, MySQL, JavaScript, Angular, jQuery, HTML, CSS, and DevOps.