Paweł Piórkowski

Tech Stack

PHP 8, Symfony 7.2, PostgreSQL, AWS (SQS, SNS, S3), Apache Kafka, CQRS, DDD, PHPUnit, Behat, Docker, Kubernetes, Sentry, and Microservices.

Responsibilities

• Collaborated within a team dedicated to foreign exchange systems, ensuring efficient delivery of technical solutions.
• Performed bug fixing to maintain system reliability and performance.
• Developed and implemented new features to enhance platform functionality.
• Refactored legacy code to improve maintainability and alignment with modern standards.
• Supported the Tech Lead in designing and architecting new solutions to meet business needs.
• Provided technical expertise to guide team decisions and improve development processes.
• Prepared and prioritized tasks based on business requirements, ensuring alignment with project goals.

Techstack:

• Windows Server
• Linux
• AWS (Amazon Web Services)
• Insert Package (including SubiektGT)

Responsibilities:

• Designed and developed a comprehensive IT infrastructure from the ground up, including network architecture.
• Established a high-speed 10Gbps network standard to ensure efficient connectivity.
• Configured and managed Windows Server environments for optimal performance and reliability.
• Set up and maintained network devices to support organizational operations.
• Prepared and configured workstations for employees across various departments.
• Onboarded and trained employees on IT systems and tools to ensure seamless adoption.
• Implemented robust network security measures to safeguard organizational data.
• Migrated the company website to an internal server for improved control and performance.
• Configured data synchronization with AWS cloud services for secure and scalable storage.
• Installed and configured the Insert Package, including SubiektGT, to support business processes.
• Created detailed technical documentation to support system maintenance and future upgrades.

Tech Stack: PHP 8.3, Symfony 6.4 LTS, Docker, Kubernetes, AWS (SQS, SNS, S3, RDS, CloudWatch, Step Functions, EC2, CodeDeploy/Blue-Green), REST API, DDD, CQRS, RabbitMQ, Redis, Sentry, Grafana, New Relic, Microservices, Hexagonal Architecture, GitLab, PHPUnit, Codeception, Playwright, CI/CD.

Responsibilities:

• Development & Maintenance: Responsible for the development and maintenance of the company’s core payment processing application and integrations with payment providers.
• Feature Development: Designing and implementing new features while ensuring code quality and performance.
• Testing & Quality Assurance: Writing and maintaining automated tests (unit, integration, acceptance) using PHPUnit, Codeception, and Playwright.
• Bug Fixing & Refactoring: Identifying and resolving issues, optimizing performance, and improving existing codebases.
• Code Reviews & Team Support: Conducting code reviews, mentoring developers, onboarding new team members, and providing technical support.
• Deployment & Infrastructure: Managing code deployments using GitLab CI/CD and AWS services, ensuring stability through monitoring tools like Grafana, New Relic, and Sentry.
• Agile & Project Management: Sprint planning, task preparation in Jira, and collaboration with cross-functional teams.
• Technical Leadership: Acting as a Technical Leader for two teams and serving as a Maintenance Officer, ensuring smooth operation and long-term system stability.
• Community & Knowledge Sharing: Participating in technical interviews, workshops, and conferences such as PHPers Summit Poznań (2023, 2024) and Boiling Frogs Wrocław (2023, 2024) as a staff member.

Tech Stacks: PHP 7/8, SF 2.8/4.4/5.4, Docker, AWS (SQS, SNS, S3, RDS), MySQL, RestAPI, CQRS, RabbitMQ, Redis, ElasticSearch, Sentry, DataDog, NewRelic, Microservices, Frontend (JS/HTML/CSS/SASS/LESS), Commands, CRON, git.

Responsibilities: Development of new features, maintenance, bug fixing, code review, supporting other developers, code deploys, refactoring, planning, task refinement, and supporting the tech lead.

Projects: bikerent.com, nsid.com, wrenkitchens.com.

Tech Stacks: PHP 7, MySQL, PostgreSQL, Docker, Neo4j, Swift, Python, Microservices, Rest API, Symfony, Git.

Responsibilities: Creating an application from scratch for the company's client, application maintenance, development of projects, planning, and refinement tasks, attending to the hiring process as a technical recruiter, code deployments, and code reviews.

Tech stack: PHP 5/7, Symfony 1.4/4, RestApi, JavaScript, MySQL, Docker, Vagrant.

Responsibilities: Working on the portal and backend panel, code development and deployment, refactoring, and maintenance.

Tech Stack: PHP, Symfony, MySQL, REST API, Git, PHPUnit.

Responsibilities: Creation of an application for the company's client from Sweden.

Projects: strykfritt.se

Tech Stack: Git, Symfony 2/3/4, PHP 7, JS, jQuery, MySQL, Postgres, Docker, RestAPI.

Responsibilities: Creation of applications for the company's clients, attending to planning processes, and workshops with clients. Preparing documentation, tests, code deployments, and customer support.

Projects: SOS Kraków, SOS Wodociągi Pawłowice,