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System engineer with experience in different areas of IT. Like to solve issues and fixing errors. Worked a lot with onprem solutions, now mostly with cloud (AWS, GCP)

DevOps Engineer | Building Secure, Scalable & Cost-Optimized Cloud Foundations I deliver more than just DevOps services - I provide long-term strategic partnerships that transform your cloud infrastructure into a secure, automated, and efficient asset. With 20+ years in IT and 14 years dedicated to DevOps, my team and I have successfully delivered hundreds of projects. We specialize in building robust, future-proof environments using AWS, Azure, GCP, and Kubernetes, fully automated with Terraform, CI/CD pipelines, and Infrastructure as Code. Why clients choose to work with us: ✅ Reduced Risk. ✅ A Team, Not a Freelancer. Projects are backed by a dedicated team, ensuring proactive management, with availability to 24/7 coverage, and deep expertise at every stage. ✅ Focus on Your Business. We handle the complex infrastructure so you can focus on product development and growth. Our solutions prioritize security, cost optimization, and high availability. ✅ Seamless Collaboration. Clear communication and structured project execution are fundamental to our workflow. My core expertise includes: ⭐ Cloud: AWS, Azure, GCP ⭐ Orchestration and Containers: Docker, Kubernetes ⭐ Automation: Terraform, Ansible, Python, Node.js, JavaScript ⭐ CI/CD: Jenkins, GitLab CI, GitHub Actions, Deployment Automation, CI/CD Pipelines ⭐ Monitoring, Security and Scripting: Linux (Ubuntu/CentOS), Bash, Networking Send me a message - let’s build, optimize, and scale your cloud infrastructure 🚀

Senior DevOps Engineer with 3+ years of hands-on experience designing, implementing, and managing AWS cloud-based and hybrid infrastructures for startups and enterprise clients. Proven track record in leading DevOps initiatives, automating R&D and production environments, and bridging business and technical teams. Strong communicator (Polish, English), experienced in regulated environments (ISO 27001), and passionate about delivering scalable, secure, and compliant solutions.

Summary: • Performed functional, regression, integration, smoke, and exploratory testing of a business web platform • Validated frontend and backend functionality, ensuring stability and high product quality across releases • Worked closely with developers, analysts, and product teams to clarify requirements and improve test coverage • Created and maintained test documentation, test cases, and bug reports in Agile environment • Conducted database testing using SQL queries for data validation, troubleshooting, and business logic verification • Tested REST APIs using tools such as Postman and browser developer tools • Participated in release verification and production support activities • Used AI-assisted workflows and Python vibe coding for test data generation, scripting, debugging support, and QA process optimization • Applied AI tools to improve efficiency in test analysis, documentation, SQL query preparation, and exploratory testing • Performed root cause analysis of defects and collaborated with development teams to ensure timely resolution and prevent regressions • Executed cross-browser and cross-device testing to ensure consistent user experience across different environments • Supported CI/CD processes by validating builds and participating in continuous testing within Agile/Scrum workflows • Analyzed logs and system behavior to identify issues in complex distributed systems and microservice-based architecture • Contributed to improving QA processes by suggesting optimizations in test strategy, coverage, and defect lifecycle management Technical skills: • Frontend: HTML, CSS • Programming: Java, SQL • CI/CD: Github, Gitlab, Bitbucket • Networking: TCP/IP, HTTP/HTTPS, LAN/WAN • IDE: IntelliJ IDEA, Visual Studio • Tools: Jira, Asana, TestRails, Github, Gitlab, Bitbucket, Mantis, Bugzilla, Docker, Kafka • Automation: Selenium WebDriver, PyCharm, REST Assured (XML, JSON), Swagger, Postman • Logging: xCode, Android Studio, ADB, Charles proxy • Databases: Athena, Aurora • Remote VPN servers and apps Platforms: Windows 10 Android iOS My devices: iPhone 14 Pro Max on iOS 18.7.2 iPhone X on iOS 16.7.10 iPhone SE on iOS 15.7.5 iPad 7(2019) on iOS 18.4 Samsung Galaxy S21 on Android 14 Google Pixel 2 on Android 10 Google Pixel 9 pro on Android 16 Xiaomi Redmi 15 on Android 15 Huawei P20 on Android 10 Huawei Matepad T10 on Android 10 Samsung Galaxy Tab A7 Lite on Android 13 Android TV

🌟 Unlock Next-Level AI, ML, and Cloud Solutions with an Expert-Vetted Freelancer (top 1% on Upwork). 🎯 Enhance your business performance with state-of-the-art Artificial Intelligence, Machine Learning, and AWS cloud solutions, meticulously tailored to meet your unique industry needs. As a certified expert, I specialize in elevating operational efficiencies and generating actionable insights through technology. 🔍 Is your business not achieving its full potential due to outdated technologies or inefficient workflows? Leverage my expertise to break through these challenges, utilizing cutting-edge tech solutions that ensure significant improvements in both productivity and profitability. 📖 Beginning my journey as a curious computer science student, I quickly evolved into a tech enthusiast, driven by the potential of AI and software development. Over the years, I've successfully led numerous projects in sectors like finance, retail, healthcare, and technology, delivering innovative solutions that consistently exceed client expectations. 🔄 Partner with me to transform your business landscape—streamline processes, enhance data analysis, and improve customer interactions. My approach integrates advanced AI models, robust ML algorithms, and comprehensive cloud strategies to set new benchmarks in your industry. 🛠️ My services are designed to cater to a wide array of technical needs and include: 👉 Advanced AI Systems: I design and deploy AI-powered applications tailored to your specific business processes, enhancing decision-making and operational efficiency. This includes: ✅ Natural Language Processing (NLP): Automate customer service and analyze textual data with advanced NLP techniques, including sentiment analysis, chatbots, and text summarization. ✅ Computer Vision: Implement image and video analysis for quality control, surveillance, and visual search, utilizing techniques like object detection, facial recognition, and optical character recognition (OCR). ✅ Reinforcement Learning: Optimize dynamic pricing, resource allocation, and personalized recommendations through reinforcement learning algorithms. 👉 Machine Learning Solutions: I develop predictive analytics and deep learning models that adapt and evolve with your business needs. My services cover: ✅ Time Series Forecasting: Enhance demand prediction, financial forecasting, and inventory management using state-of-the-art time series analysis. ✅ Anomaly Detection: Protect your business with robust fraud prevention and predictive maintenance systems through anomaly detection models. ✅ Recommendation Systems: Increase customer engagement and sales by deploying personalized recommendation engines. 👉 AWS and Cloud Services: As an AWS professional, I design, implement, and manage scalable cloud infrastructures that support your growth and ensure data security. My expertise includes: ✅ Cloud Migration: Seamlessly migrate your on-premises applications to the cloud, ensuring minimal downtime and data integrity. ✅ Serverless Architectures: Leverage AWS Lambda, API Gateway, and other serverless technologies to build scalable, cost-effective applications. ✅ DevOps Practices: Implement CI/CD pipelines, automated testing, and infrastructure as code (IaC) using tools like AWS CodePipeline, Jenkins, and Terraform. 👉 Full-Stack Development: I provide end-to-end development services for both web and mobile platforms, focusing on creating seamless, user-friendly interfaces. My technical stack includes: ✅ Frontend Development: Build dynamic, responsive interfaces with React, Angular, and Vue.js. ✅ Backend Development: Develop robust backend systems using Node.js, Django, Flask, and more. ✅ Mobile Development: Create cross-platform mobile applications with React Native and Flutter. 👉 Data Engineering: I create custom data pipelines and architectures to simplify complex data processing and storage solutions. My capabilities include: ✅ ETL Processes: Build efficient ETL pipelines with Apache Spark and Kafka to transform and load your data. ✅ Data Lakes and Warehouses: Design scalable data storage solutions using AWS Redshift, Snowflake, and BigQuery. ✅ Data Governance: Ensure data quality, compliance, and integrity with comprehensive data governance frameworks. 👉 Tech Consulting: Need guidance on technology strategy? I provide consulting services to help align your tech investments with your business goals, covering: ✅ Technology Roadmaps: Develop strategic plans for digital transformation and technology adoption. ✅ AI and ML Model Management: Advise on model lifecycle management, from development to deployment and monitoring. ✅ Cloud Cost Optimization: Optimize your cloud spending with tailored strategies for cost management and efficiency. 📩 Ready to transform your business with advanced technology? Contact me today to discuss how we can turn your tech challenges into competitive advantages! For any similar services, feel free to send me a DM! 📩

Hello at my profile! I am an independent freelancer with 11+ years of experience in software development. I've been part of many start-ups and helped them reach new funding rounds. The most successful reached 55$ million in Series B round. I also created and published many of my own apps from scratch. I'm a full stack developer. I can confidently handle both front-end mobile app development and back-end server application tasks for your project. I always take ownership for all apps I develop so quality and UX comes first. Did I mention I value great and concise communication with quick response times? --------------------- Stack: Kotlin, Android SDK, Clean Code, Clean Architecture, MVVM, MVP, MVC, RxJava, RxAndroid, Coroutines, Android Jetpack, Room, Realm, Hilt, Dagger2, Android Auto, REST, CI/CD, Github Actions, E2E, API, REST, GraphQL, Optimisation, Java, Google Cloud, Google App Engine, Agile, Scrum, Jira, Mentoring, Flutter, Dart, Unit Testing, Espresso, Appium, NFC, iOS, React Native, Unity, Firebase, Google Play, UI/UX, NoSQL, SQL. And way more.