About Denis Kisina

Hi, I’m Denis Kisina 👋

I’m a Senior Software Engineer and API Solution Architect with 11+ years of experience building cloud-native, secure, and resilient systems in AWS and Azure. I specialize in leading digital transformation initiatives, cloud migrations, and building products from idea to launch using modern microservices and event-driven architectures.

🚀 What I Do

Currently serving as a Developer IT Applications at American Airlines, where I lead digital transformation initiatives focusing on AI integration, cloud migration, and automated DevSecOps implementation across enterprise applications.

My expertise spans:

  • Backend Development: Java, Scala, Python, Groovy, Typescript, Bash
  • Cloud Platforms: AWS (ECS, Fargate, Lambda), Azure Functions, Azure OpenAI
  • System Architecture: Microservices, event-driven architecture, serverless solutions
  • DevSecOps: GitHub Actions, BICEPS, CI/CD pipelines, application security
  • Databases: Oracle, PostgreSQL, MongoDB, Elasticsearch, Redis, Cosmos DB
  • Frameworks: Spring Boot, Spring Cloud, Spring JMS, Spring Batch, JPA, Hibernate
  • Security: Keycloak, CodeQL, SonarQube, OWASP compliance

💼 Key Achievements

  • AI-Powered Automation: Architected automated incident response system using Azure OpenAI, reducing MTTR by 75%
  • Cloud Migration Leadership: Led migration from legacy applications to serverless Azure Functions, reducing operational overhead by 60%
  • Performance Optimization: Optimized Elasticsearch queries for 60% API performance improvement
  • DevSecOps Implementation: Improved developer efficiency and deployment confidence by 50% while maintaining 99.9% system uptime
  • Team Leadership: Successfully managed cross-functional teams and mentored developers across 15+ projects

🎓 Education

  • MS in Computer Science - Maharishi International University (2024)
  • BS in Computer Science - Makerere University (2010)

💡 Why This Blog?

With over a decade of experience solving complex engineering challenges, I created this space to:

  • Share practical insights from real-world digital transformations
  • Document solutions to enterprise-scale technical problems
  • Help fellow engineers navigate cloud-native architecture decisions
  • Contribute to the software engineering community with battle-tested approaches

📚 What You’ll Find Here

  • Enterprise architecture patterns and cloud migration strategies
  • DevSecOps best practices from large-scale implementations
  • Performance optimization techniques for distributed systems
  • AI integration insights in enterprise environments
  • Career growth guidance for software engineers

🤝 Let’s Connect

I love discussing technology, architecture patterns, and engineering challenges. Feel free to reach out:

Whether you’re looking to collaborate on a project, discuss system design, explore AI integration strategies, or just chat about the latest in tech, I’m always happy to connect with fellow engineers and tech enthusiasts.

Currently based in Dallas, TX, working on cutting-edge digital transformation initiatives and always learning something new in the ever-evolving world of software engineering.