09/02/2025 updated
100 % available
Senior Software Engineer | Solution Architect | DevOps Engineer
Krakow, Poland
Worldwide
Computer ScienceC (Programming Language)Java (Programming Language)JavaScriptActive DirectoryAmazon Web ServicesHTML5Microsoft AzureBash ShellC Sharp (Programming Language)Cascading Style Sheets (CSS)Cloud ComputingDatabasesContinuous IntegrationData ManagementDevOps
Cloud & DevOps
Expertise in cloud technologies (AWS, Azure) and DevOps practices including Infrastructure as Code (IaC) using Terraform, CI/CD pipelines with Jenkins, and containerization with Docker and Kubernetes.
Microservices Architecture
Experience designing and implementing scalable microservices architectures with Java, Spring Boot, and event-driven communication using Apache Kafka.
Security Implementation
Knowledge in implementing comprehensive security solutions including DevSecOps, Vault for secret management, and identity management with Active Directory, SAML, and OAuth2.
API Management
Proficiency with API gateways including WSO2 and AWS API Gateway for managing and securing service interfaces.
Programming Languages
Strong coding skills in Java, JavaScript, Bash, C, and C# with practical application in enterprise-level projects.
Data Technologies
Experience with various database technologies including Apache Cassandra, NoSQL, SQL (Oracle, MySQL, SQL Server) and big data tools like Hadoop and Spark.
Web Development
Frontend development skills with HTML5/CSS, AngularJS, and integration with backend services.
Expertise in cloud technologies (AWS, Azure) and DevOps practices including Infrastructure as Code (IaC) using Terraform, CI/CD pipelines with Jenkins, and containerization with Docker and Kubernetes.
Microservices Architecture
Experience designing and implementing scalable microservices architectures with Java, Spring Boot, and event-driven communication using Apache Kafka.
Security Implementation
Knowledge in implementing comprehensive security solutions including DevSecOps, Vault for secret management, and identity management with Active Directory, SAML, and OAuth2.
API Management
Proficiency with API gateways including WSO2 and AWS API Gateway for managing and securing service interfaces.
Programming Languages
Strong coding skills in Java, JavaScript, Bash, C, and C# with practical application in enterprise-level projects.
Data Technologies
Experience with various database technologies including Apache Cassandra, NoSQL, SQL (Oracle, MySQL, SQL Server) and big data tools like Hadoop and Spark.
Web Development
Frontend development skills with HTML5/CSS, AngularJS, and integration with backend services.
Experience
Professional experience10+ years
Freelancer since2017
Languages
EnglishFluentPolishBasic knowledgePortugueseNative speaker
Project history
Architected scalable e-commerce solutions with Kafka and microservices, led data platform development with Hadoop and Kubernetes, delivered Infrastructure as Code using Terraform, and implemented multi-layer security with Vault, Kerberos and AWS SSO.
Designed and developed a global e-commerce platform with distributed backends and Kafka-driven event communication across systems.
Led the design and architecture of a global HR system with robust integration and scalable architecture for large enterprise users.