Mustapha Saeed, Developer in Sydney, New South Wales, Australia
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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.


Amazon Web Services (AWS), Jenkins, Java, Git, Jira, Kubernetes, Terraform...
Etisalat Misr
TIBCO ActiveMatrix Service Grid, BPM, TIBCO ActiveMatrix BPM...
IBM, Egypt
Web Services, Java, WebSphere, Jakarta EE, Enterprise Java Beans (EJB), Spring...




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

2016 - PRESENT
  • 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.
Technologies: Amazon Web Services (AWS), Jenkins, Java, Git, Jira, Kubernetes, Terraform, Ansible, Apache Tomcat, Hibernate, REST APIs, DevOps, Spring, MySQL, Dropwizard, Gradle, Google Guava, Apache Kafka, GWT

Senior System Analyst

2010 - 2015
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.
Technologies: TIBCO ActiveMatrix Service Grid, BPM, TIBCO ActiveMatrix BPM, TIBCO Enterprise Message Service (EMS), TIBCO, Web Services, SOAP, XPath, Oracle 11g, SQL, Jakarta EE, J2SE, Hibernate, Service-oriented Architecture (SOA), Spring, Gradle

IT Specialist

2008 - 2010
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.
Technologies: Web Services, Java, WebSphere, Jakarta EE, Enterprise Java Beans (EJB), Spring, J2SE, UML, Service-oriented Architecture (SOA)

Software Engineer

2006 - 2008
  • 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.
Technologies: Web Services, JBoss, Eclipse, Oracle, Ant Design, EJB3, Jakarta EE, J2SE, Service-oriented Architecture (SOA)

ESB Infrastructure

I engineered and developed an implementation for the ESB layer of a large telecom company using SOA standards and utilizing JMS as a broker.

Large Microservices Distributed Platform

I was able to build and participate in building a state-of-art microservices-based platform using Netflix OSS and deployed on ECS. The platform was so resilient that it was able to achieve 99.99% uptime.

AWS Cost Optimization

I led multiple projects to optimize and reduce AWS hosting costs while increasing application availability and uptime. I managed to reduce the hosting cost with over $2 million of savings a year while maintaining the uptime of hosted apps to more than 99.9%.
2002 - 2006

Bachelor's Degree in Computer Science

Cairo University - Egypt


AWS Certified Solutions Architect – Professional

Amazon Web Services


AWS Certified DevOps Engineer – Professional

Amazon Web Services

JUNE 2016 - JUNE 2018

AWS Certified SysOps Administrator - Associate

Amazon Web Services

MAY 2016 - MAY 2018

AWS Certified Solutions Architect - Associate

Amazon Web Services

APRIL 2016 - APRIL 2018

AWS Certified Developer - Associate

Amazon Web Services


REST APIs, iText


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


Hibernate, Spring, Google Guava, GWT, Vaadin, Ant Design, Dropwizard, Unity


UML, SQL, Java, Swift 2, Objective-C, Go, C++, Python 3, XPath, Python


DevOps, Service-oriented Architecture (SOA), HL7 FHIR Standard, Microservices


J2SE, Jakarta EE, Apache Kafka, Amazon Web Services (AWS), JBoss, iOS, Oracle, Windows, Eclipse, WebSphere, Android, Docker, Kubernetes, New Relic, PagerDuty


MySQL, Redis, PostgreSQL, Oracle 11g, MongoDB, Amazon DynamoDB


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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