M
Marcin Kawa
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Wrocław, Lower Silesian Voivodeship, Poland
Résumé
Jobs
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Senior Full Stack EngineerHotjarJan 2021 - Current (5 years 10 months)• Architected scalable product modules using React and TypeScript, enabling seamless user analytics experiences across high-traffic SaaS environments.
• Engineered high-performance backend services using Node.js and Django, improving API responsiveness for global distributed user base workloads.
• Designed cloud-native infrastructure patterns on AWS, leveraging Lambda, API Gateway, and S3 for event-driven analytics pipelines.
• Implemented optimized database schemas in PostgreSQL, reducing query latency and improving large-scale reporting efficiency across dashboards.
• Orchestrated real-time data processing systems using Redis caching layers, significantly reducing backend load during peak traffic periods.
• Spearh- BSenior Software DeveloperBillmonitorMay 2016 - Dec 2020 (4 years 8 months)• Enhanced full-stack application performance using React, improving UI responsiveness and reducing perceived latency across customer-facing dashboards.
• Automated backend billing data processing workflows using Node.js, improving system throughput and reducing manual operational intervention needs.
• Coordinated API integrations with external telecom data providers, ensuring consistent and reliable data ingestion pipelines across services.
• Collaborated with product managers and designers to translate business requirements into scalable technical implementations and system designs.
• Developed robust backend services using Django, supporting large-scale data aggregation and reporting for telecom analytics platforms. - ASoftware DeveloperAeguanaJun 2013 - Apr 2016 (2 years 11 months)• Debugged complex frontend and backend issues across early-stage product systems, improving system stability and reducing production incidents.
• Secured application endpoints by implementing authentication and authorization layers using industry-standard security practices and protocols.
• Monitored application performance across early cloud deployments, identifying bottlenecks and improving system reliability under growing user demand.
• Analyzed user behavior and system logs to identify performance inefficiencies and guide product and engineering improvements.
• Evaluated early-stage architecture decisions, contributing to foundational system design choices that supported long-term platform scalability.
• Transf
Education
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- WBachelor of Computer ScienceWrocławska Wyższa Szkoła Informatyki StosowanejJan 2010 - Jan 2014 (4 years 1 month)