Ensuring robust, scalable, and highly available cloud-native systems for a leading omnichannel retailer. Specialised in automation, observability, incident management, and secure engineering practices as part of a DevSecOps (Cyber Security, Information Security Engineering) team, driving continuous improvement and operational excellence.

• Optimised software delivery pipelines and infrastructure reliability.
• Automated infrastructure management using Terraform, OpenTofu, and AWS cloud services.
• Enhanced observability and alerting with Datadog, OpenTelemetry, PagerDuty and Jira Service Management.
• Collaborated with engineering and product teams to embed capacity and performance metrics into CI/CD pipelines.
• Strengthened platform security posture by integrating DevSecOps principles and security automation into infrastructure and CI/CD pipelines.
• Collaborated with information security specialists to align systems with compliance requirements and best practices.
• Implemented proactive vulnerability management, security monitoring, and automated controls in cloud-native environments.

Self-employed venture providing IT services and expert knowledge to various clients.

Contributing to the development and reliability of a global recipe-sharing platform. Specialised in Kubernetes deployment, AWS infrastructure management, and enhancing observability for high-traffic, cloud-native services.

• Deployed and managed applications on Kubernetes and AWS container schedulers.
• Provided platforms and tooling to enable easy and reliable production deployments.
• Mitigated incidents and implemented automation to prevent recurrence, adhering to a blameless post-mortem culture.
• Collaborated with diverse global teams to improve service performance and reliability.
• Contributed to building a new Kubernetes-based platform, influencing its design and implementation.

Driving SRE best practices for Apple device management platforms. Focused on enhancing reliability, scalability, and automation across AWS environments, with expertise in Kubernetes, monitoring, and incident resolution.

• Drove SRE best practices and automation for Apple device management platforms in AWS.
• Ensured reliability, availability, and scalability of applications through Kubernetes, Docker, and Terraform.
• Designed and implemented comprehensive monitoring and alerting solutions using Grafana and Prometheus.
• Led incident response, root cause analysis, and implemented preventative measures for critical systems.
• Contributed to architectural design, security policies, and CI/CD automation within an Agile framework.

Specialising in backend and web application development for onboarding and servicing payment terminals. Led Azure cloud migrations, implemented CI/CD pipelines, and optimised application performance within a distributed microservices architecture.

• Developed and maintained PHP backend and web applications for Merchant Onboarding systems.
• Led migration of applications and infrastructure to Azure cloud, implementing CI/CD pipelines with Azure DevOps.
• Optimised application performance and ensured system reliability within distributed microservices architectures.
• Managed and scaled environments using RedHat JBoss and Docker, automating machine configuration deployment with Ansible.
• Collaborated with international teams and stakeholders on architectural design, technical documentation, and quality assurance.

Leading development and operations for high-traffic news platforms. Specialised in Symfony-based web applications, AWS integrations, CI/CD, and performance optimisation within a microservices architecture.

• Led a team of developers in the design, development, and maintenance of high-traffic news platforms.
• Implemented and optimised CI/CD pipelines using Jenkins and GitHub for automated deployments.
• Integrated and managed AWS cloud services, Docker, RabbitMQ, Redis, ELK Stack and New Relic for scalable solutions.
• Drove application performance optimisation and ensured high code quality through testing and code reviews.
• Provided technical leadership, mentored junior developers, and collaborated with international stakeholders.

Delivering bespoke web applications for diverse clients. Specialised in PHP-based solutions, database optimisation, and Agile methodologies, contributing to technical leadership and presales support.

• Designed and developed scalable web applications using PHP frameworks (Symfony, Laravel) for diverse clients.
• Ensured high code quality through rigorous code reviews, unit testing, and adherence to best practices.
• Provided technical expertise, conducted technical screenings, and supported presales activities.
• Optimised MySQL database performance and integrated with various APIs for robust solutions.
• Collaborated effectively within Agile teams, contributing to solution architecture and mentoring junior developers.

Contributing to the development of high-growth advertising technology platforms. Specialised in scalable backend solutions using PHP (Symfony, Laravel), MySQL, and AWS, with a focus on programmatic advertising and API integrations.

• Developed and maintained scalable backend solutions for a fast-growing advertising technology startup.
• Designed and implemented new features for marketing platforms using PHP (Symfony, Laravel), MySQL, and AWS.
• Managed programmatic integrations with partners, including Facebook Ads API, WordPress API, and Google Analytics API.
• Contributed to architectural planning, code refactoring, and continuous improvement of functionality.
• Fostered a culture of sharing cutting-edge technologies within the team.

Self-employed venture providing IT services and expert knowledge to various clients.

Specialising in the design and development of web applications for the medical and e-commerce sectors. Focused on PHP-based solutions, PostgreSQL, and API integrations, contributing to high-quality software delivery within Agile teams.

• Designed and developed web applications for medical laboratories and clinics, including patient portals and IVF recipient platforms.
• Implemented complex integrations with external systems via SOAP, REST, and JSON APIs, including OAuth 2.0.
• Managed PHP development and production environments, ensuring robust and scalable application deployments.
• Contributed to the full software development lifecycle, from requirements analysis to deployment and maintenance.
• Ensured high code quality through rigorous testing (Behat, PHPUnit) and continuous integration.

Specialising in the design, development, and deployment of financial and insurance platforms. Focused on robust backend solutions, complex API integrations (REST/SOAP), and ensuring high-security standards for critical systems.

• Designed, developed, and deployed the Inseco.pl insurance platform, integrating with over 15 external partners.
• Implemented complex REST and SOAP WebService integrations for new insurance products and external systems.
• Developed and maintained critical financial services, including BlueCash.pl.
• Ensured high-security standards and compliance for sensitive data exchange.
• Provided technical leadership and support for partners, resolving production issues and automating processes.

Contributing to the development and optimisation of large-scale classifieds websites. Specialised in PHP, MySQL, and MongoDB, with a focus on online payment services and content distribution platforms.

• Developed and maintained large-scale classifieds websites, implementing new features and optimising existing modules.
• Designed and implemented online payment services and content distribution platforms.
• Integrated with external systems and performed optimisations.
• Contributed to internal tools supporting customer service and Scrum Masters.
• Utilised PHP, MySQL, MongoDB, Memcached, and version control systems (SVN, Mercurial) in an Agile environment.

Contributing to the development and optimisation of high-traffic web portals. Focused on PHP, MySQL, and Oracle databases, with an emphasis on performance optimisation for entertainment and lifestyle websites.

• Developed and maintained web applications for high-traffic portals.
• Optimised website performance for high-traffic loads using PHP, MySQL, and Oracle databases.
• Contributed to the full software development lifecycle, from new feature creation to maintenance and debugging.
• Collaborated within project teams to deliver new functionalities and resolve production issues.
• Utilised XHTML, JavaScript, and Concurrent Versions System (CVS) in an Agile environment.

Contributing to the development and maintenance of diverse web applications for advertising and media clients. Focused on PHP, MySQL, and PostgreSQL, with an emphasis on frontend development and minor administrative tasks.

• Developed and maintained web applications for major clients, including Heyah.pl, BMW.pl, and Oetker.pl.
• Implemented new modules and functionalities using PHP, MySQL, and PostgreSQL.
• Contributed to frontend development with HTML, CSS, and JavaScript.
• Assisted with code optimisation, testing, and documentation, ensuring high-quality deliverables.
• Performed system administration tasks on FreeBSD and hardware management.

Providing comprehensive phone and direct support for Telekomunikacja Polska clients. Specialised in incident management, technical troubleshooting, and maintaining high customer satisfaction for telecommunication services.

• Provided comprehensive phone and direct customer support for telecommunication services, including Neostrada and VoIP.
• Managed incident reports, resolved technical issues, and collaborated with technical departments for efficient problem-solving.
• Maintained high customer satisfaction by monitoring expectations and providing tailored solutions.
• Managed customer tickets efficiently using PROVISIO and PeopleSoft systems.
• Developed strong communication and problem-solving skills in a fast-paced customer service environment.

Inseco.pl Insurance Platform

A comprehensive B2B/B2C platform for selling and managing insurance policies online, integrated with over 15 insurance companies and financial partners.

• Integrated with numerous external systems via REST and SOAP APIs.
• Handled online payments, electronic policies, and notifications.
• Ensured high security for financial transactions and data.

Enterprise Ad Manager

A marketing platform for managing and optimising digital advertising campaigns, integrated with major advertising APIs.

• Built with a microservices architecture using Symfony and Laravel.
• Integrated with Facebook Ads API, Google Analytics API, and others.
• Utilised AWS for scalable infrastructure.

Kubernetes Platform for Production Services

A new, from-scratch platform built on Kubernetes to run Cookpad's production services, designed for high reliability and scalability.

• Automated infrastructure with Terraform and Jsonnet.
• Implemented observability with Prometheus, Grafana, and Elasticsearch.
• Enabled CI/CD with GitHub Actions and Flux 2 (GitOps).

Active member of the 70th Scout Team in Sopot (70 Sopocka Drużyna Harcerzy im. Zawiszy Czarnego - Sulima).

• Participated in the 'Caritas School Pencils' initiative, collecting school supplies for underprivileged children.
• Contributed to the 'Kilo' initiative, collecting food donations for families in need during the Christmas period.