Pawel Sawicki

Senior Software Engineer @ Crane Authentication | Java, Angular, JavaScript, MySQL, MongoDB, AWS

Wroclaw Metropolitan Area

About

I am a software engineer with over 15 years of experience in software development, possessing a strong understanding of the full application lifecycle and Agile methodologies. I have a proven track record in collaborating on new product development, automating processes, and integrating complex systems. My work involves close collaboration with clients, engineers, and product managers to architect solutions and design systems that effectively address the challenges we face. My mission is to deliver impactful solutions while continuously refining and expanding my technical skills to meet the evolving demands of the industry. As a Senior Software Engineer at Crane Authentication (NXT), I specialize in Java, Angular, JavaScript, MySQL, RabbitMQ, and MongoDB to develop and maintain robust systems hosted on AWS. I deploy applications using internally developed tools, with monitoring and observability supported by Grafana, OpenTelemetry, and Loki. My contributions consistently align with organizational goals, enhancing tools and optimizing both backend and frontend technologies.

Experience

  • Senior Software Engineer at Crane Authentication (NXT); formely part of Opsec Security
    Jan 2020 - Nov 2025 · 5 yrs 11 mos

    • Designed and maintained high‑availability systems using Java, MongoDB, Angular, and RabbitMQ. • Built an internal Java video‑downloader powered by FFmpeg. • Developed a Chrome extension for internal use that supports optional video downloads. • Migrated web‑scraping workflows from PhantomJS to Chrome (Selenium + extension) to improve reliability and speed.. • Managing a custom MongoDB cluster (sharded and replicated) to optimize data handling and performance. • Leveraged Grafana Cloud, Prometheus, and Loki for end‑to‑end observability—logs, metrics, and traces. • Supported legacy PHP applications, refactoring and migrating components where feasible. • Driving innovation and executing engineering activities focused on anti-piracy product development. • Collaborating with internal customers, product managers, sales, and operations teams to prioritize and deliver engineering projects on time and within budget. • Actively participating in the evolution of technologies to maintain competitiveness in the anti-piracy landscape.

  • Senior Software Developer at Markmonitor
    Aug 2013 - Jan 2020 · 6 yrs 6 mos

    • Developed new products using Java with Spring and Angular while migrating legacy applications to Java. • Enhanced internal tools utilizing PHP, Python, RabbitMQ, Selenium, PhantomJS, and Vagrant. • Conducted reverse engineering of streaming devices and Android applications to uncover servers powering content delivery. • Helping to bootstrap new project based on Hbase (Ambari cluster). • Maintained and optimized existing systems for peak performance and functionality. • Integrated various systems across the company and implemented automation to streamline processes.

  • PHP developer at NetResult, part of Thomson Reuters
    Aug 2011 - Aug 2013 · 2 yrs 1 mo

    • Developed a new case management system to support infringement activities. • Created internal tools to assist core activities, providing ongoing support and maintenance.

  • PHP Developer/ IT Support at Microtalk Uk Limited
    Sep 2010 - Aug 2011 · 1 yr

    • Developed projects using PHP, MySQL, XHTML, CSS, Perl, and Linux scripting. • Provided telephone support for clients on hosted VoIP and broadband systems. • Administered FreePBX (CentOS) servers and monitored services using Nagios.