Mustapha Saeed
Verified Expert in Engineering
Cloud Architect and Java Developer
Sydney, New South Wales, Australia
Toptal member since December 11, 2015
Mustapha is an experienced senior Java developer and cloud architect with over 17 years of experience and a solid background in designing, implementing, and optimizing large-scale applications, REST APIs, and microservices. He is an automation, cloud technologies, and Java-based development expert with a proven record of enhancing operational efficiency, system reliability, and performance.
Portfolio
Experience
- SQL - 13 years
- Java - 13 years
- Web Services - 7 years
- REST APIs - 6 years
- Netflix OSS - 5 years
- Enterprise Architecture - 4 years
- Spring - 3 years
- Amazon Web Services (AWS) - 1 year
Availability
Preferred Environment
SaaS, Git, IntelliJ IDEA, Jira, Windows, Java, Amazon Web Services (AWS)
The most amazing...
...thing I've done is transform businesses with cloud and software innovations, enabling operational efficiency, scalability, and technological empowerment.
Work Experience
Staff Software Engineer
Self-employed
- Led the transformation of client infrastructures to enhance maintainability and cost-efficiency by integrating code-based frameworks such as Terraform and CloudFormation, optimizing the existing architectural designs.
- Configured and managed advanced monitoring tools like Datadog, New Relic, Grafana, and Prometheus and on-call management systems like PagerDuty and Grafana OnCall. Refined monitoring alerts and thresholds to elevate incident management.
- Developed and implemented comprehensive CI/CD pipelines, automating infrastructure deployment and markedly diminishing monthly cloud hosting costs.
- Ensured that all infrastructure implementations I delivered were code-based (mainly in a form for Terraform, Ansible, and Groovy), thoroughly tested, and deployed within a software development lifecycle framework.
Senior System Analyst
Etisalat Misr
- Analyzed enterprise applications to design and roll out technical EAI and SOA solutions using message-driven and event-driven architectures.
- Designed canonical standardized data models to provide a common structure for data mapping between the applications.
- Implemented real-time services to support large-scale software integration and ensure that services were highly available and load-balanced.
- Ran performance analysis for the implemented services.
- Defined specifications and templates for services and architecture artifacts.
- Validated a non-functional requirement for services and architecture.
- Built Java modules that enhanced the performance and integration between enterprise applications and back-end systems.
- Implemented an automation of large-scale processes using TIBCO BPM.
- Managed the installation of ESB, FOM, and BPM environments using the TIBCO stack.
- Participated as an SOA architect in a CRM transformation project to migrate existing enterprise applications using Siebel for CRM and TIBCO for middleware.
IT Specialist
IBM, Egypt
- Designed and developed J2EE applications using IBM technologies.
- Implemented integration solutions for back-end systems.
- Conducted training on delivered solutions for business users.
- Participated in the review and writing process for new proposals.
- Gained direct experience in banking, digital archiving, and content management systems.
Software Engineer
Centrivision
- Managed the release of various applications and conducted UAT for business users.
- Provided integration solutions for back-end systems.
- Implemented product fulfillment and provisioning flows.
- Built the front-end UI for a retail order-capturing system.
Experience
ESB Infrastructure
Large Microservices Distributed Platform
AWS Cost Optimization
Education
Bachelor's Degree in Computer Science
Cairo University - Egypt
Certifications
AWS Certified Solutions Architect – Professional
Amazon Web Services
AWS Certified DevOps Engineer – Professional
Amazon Web Services
AWS Certified SysOps Administrator - Associate
Amazon Web Services
AWS Certified Solutions Architect - Associate
Amazon Web Services
AWS Certified Developer - Associate
Amazon Web Services
Skills
Libraries/APIs
REST APIs, iText
Tools
Jira, Git, Apache Tomcat, Apache Maven, Apache Ant, Eclipse IDE, Gradle, IntelliJ IDEA, Xcode, Jenkins, Android Studio, TIBCO Enterprise Message Service (EMS), TIBCO ActiveMatrix BPM, Ansible, Terraform
Languages
UML, SQL, Java, Swift 2, Objective-C, Go, C++, Python 3, XPath, Python
Frameworks
Hibernate, Spring, Google Guava, GWT, Vaadin, Ant Design, Dropwizard, Unity
Paradigms
DevOps, Service-oriented Architecture (SOA), HL7 FHIR Standard, Microservices
Platforms
J2SE, Jakarta EE, Apache Kafka, Amazon Web Services (AWS), JBoss, iOS, Oracle, Windows, Eclipse, WebSphere, Android, Docker, Kubernetes, New Relic, PagerDuty
Storage
MySQL, Redis, PostgreSQL, Oracle 11g, MongoDB, Amazon DynamoDB
Other
SaaS, Remote Team Leadership, Enterprise Integration Patterns (EIP), Web Services, TIBCO, Software Development, Netflix OSS, Software Engineering, Software Development Management, BPM, Enterprise Architecture, Team Management, EJB3, WebLogic, SOAP, TIBCO ActiveMatrix Service Grid, Enterprise Java Beans (EJB), Computer Science, Algorithms, Software Architecture
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