Senior Java Full-Stack Architect & Cloud Leader
Resume:
OUSMANE KEBE Reynoldsburg, OH
Lead Java Full Stack Developer Cloud Architect DevOps Practitioner
PROFESSIONAL SUMMARY
Lead Java Full Stack Developer with over 10 years of experience architecting and modernizing enterprise-scale applications in cloud-native and distributed environments.
Extensive expertise in Java 21 (Virtual Threads, Records, Sequenced Collections), Spring Boot, Hibernate, Angular, React, and AWS-based serverless and containerized platforms.
Proven experience designing microservices and event-driven systems using Apache Kafka and AWS MSK, with real-time processing through Kafka Streams.
Strong background in DevOps automation, Infrastructure as Code using Terraform, AWS CDK, and CloudFormation, and CI/CD pipelines with Jenkins and GitLab CI/CD.
Skilled in building secure systems using Spring Security, OAuth2, JWT, and MFA.
AWS Certified Solutions Architect and Developer with demonstrated leadership in Agile environments, technical roadmapping, mentoring engineers, improving observability, and optimizing cloud cost governance across high-availability production systems.
EDUCATION
Master of Business Administration (MBA) The Ohio State University
Bachelor of Science – Computer Science The Ohio State University
Bachelor of Science – Physics The Ohio State University
TECHNICAL SKILLS
Programming Languages
Java 21, Python (FastAPI, Boto3), JavaScript, TypeScript
Backend & Frameworks
Spring Boot, Spring MVC, Hibernate, Spring Security, OAuth2, JWT, MFA, Reactive Spring utilities
Frontend Technologies
Angular, React, HTML5, CSS3, RxJS, WebSockets
Cloud Platforms
AWS (Lambda, EKS, S3, RDS, DynamoDB, MSK, ElastiCache), AWS CDK, CloudFormation, Azure DevOps, Application Insights
Streaming & Event Systems
Apache Kafka, Kafka Streams, Event-Driven Architecture
DevOps & CI/CD
Docker, Kubernetes, Jenkins, GitLab CI/CD, Terraform
Databases & Storage
PostgreSQL, MySQL, DynamoDB, Cosmos DB
Search & Monitoring
Elasticsearch, ELK Stack, Filebeat, Prometheus, Grafana
Architecture & Methodologies
Microservices Architecture, RESTful APIs, Serverless Architecture, Agile/Scrum, TDD (JUnit, Mockito), Technical Roadmaps, Code Reviews, Cloud Cost Optimization
PROFESSIONAL EXPERIENCE
Lead Java Full Stack Developer / AWS Architect
The Ohio State University Columbus, OH Feb 2014 – Present
Provide architectural leadership and full-stack development for enterprise academic and operational systems focused on distributed, cloud-native modernization.
Architected event-driven microservices using Spring Boot and Apache Kafka to replace legacy monolithic systems with scalable distributed services.
Designed and managed Kafka infrastructure on AWS MSK, including replication, partitioning, consumer group configuration, and high-availability strategies.
Implemented Kafka Streams for real-time enrichment and aggregation of high-volume transactional data.
Developed serverless microservices using AWS Lambda (Java and Python), API Gateway, DynamoDB, and ElastiCache for low-latency distributed services.
Built AI-driven chatbot solutions using Amazon Lex integrated with AWS Lambda to support enterprise customer service operations.
Applied Java 21 features including Virtual Threads, Record Patterns, and Sequenced Collections to improve concurrency and throughput.
Developed secure Spring Boot microservices implementing Spring Security, OAuth2, JWT, and multi-factor authentication.
Built Angular-based dashboards with WebSockets and RxJS to enable real-time analytics and interactive reporting.
Containerized applications using Docker and orchestrated deployments with Kubernetes (EKS) to enable scalable and resilient infrastructure.
Designed and maintained CI/CD pipelines using Jenkins, GitLab CI/CD, Azure DevOps, and Infrastructure as Code using Terraform, AWS CDK, and CloudFormation.
Implemented centralized logging and monitoring using ELK Stack, Filebeat, Prometheus, Grafana, and Application Insights to enhance observability and operational visibility.
Automated AWS cost governance using Python (Boto3) scripts and reporting tools to improve cloud cost optimization strategies.
Mentored engineers in TDD using JUnit and Mockito and led architectural discussions, technical roadmapping, and code reviews.
Environment: Java 21, Spring Boot, Spring MVC, Hibernate, Spring Security, OAuth2, JWT, MFA, Apache Kafka, Kafka Streams, AWS Lambda, AWS MSK, EKS, S3, RDS, DynamoDB, ElastiCache, AWS CDK, CloudFormation, Angular, React, Docker, Kubernetes, Jenkins, GitLab CI/CD, Azure DevOps, Terraform, PostgreSQL, MySQL, Cosmos DB, Elasticsearch, ELK Stack, Prometheus, Grafana, FastAPI, Python (Boto3)
CERTIFICATIONS
AWS Certified Solutions Architect – Associate
AWS Certified Developer – Associate
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