Zeeshan A.

Sanad Chat-Based Application for Search & Rescue Ops

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Doha, Qatar

Experience

Jan 2023 - Dec 2023
1 year

Sanad Chat-Based Application for Search & Rescue Ops

Qatar Government

  • Designed and led development of a scalable microservices chat application using Spring Boot, API Gateway, and Spring Security with LDAP, facilitating 5,000+ concurrent users.

  • Implemented JWT-based authentication and encrypted one-to-one and group chats with media, voice/video (Jitsi), and location sharing.

  • Integrated Jitsi for video conferencing, resolving audio latency and connection instability; enhancements boosted user engagement by 20% within the first month.

  • Integrated Micrometer and Zipkin for distributed tracing, reducing debugging time by 40%.

  • Built a reusable and responsive live tracking map component with ReactJS and ArcGIS 16+, improving mission visibility for 50+ departments.

Jan 2022 - Dec 2023
2 years

Enterprise Risk Management Software (Ejaz ERM)

Qatar Government

  • Developed a modulith-based dynamic web app enabling real-time risk profiling, audit trails, and data-driven decision-making.

  • Applied domain-driven design to build a modulith architecture with clear domain boundaries for improved maintainability and scalability.

  • Integrated third-party systems (Qatar Crisis Management, Vehicle Violation Reporting) via secure REST APIs for seamless cross-platform data synchronization.

  • Optimized performance with Redis caching, reducing database load by 40%.

  • Delivered a user-friendly solution adopted by 15+ enterprises, streamlining risk management workflows by 60%.

Jan 2020 - Dec 2022
3 years

GISTracker - Work-Force Planning Application (FIFA World Cup System)

Qatar Government

  • Migrated a monolithic GIS platform to microservices, enabling scalable management of events, teams, referees, and VIPs.

  • Developed a JWT-based authentication service (login, logout, password recovery) with role-based access control to secure inter-service communication.

  • Built an event-driven system using Apache Kafka for real-time coordination across 50+ departments, reducing missed deadlines by 20%.

  • Developed a drag-and-drop geospatial planning interface using ReactJS, ArcGIS, and KonvaJS, resulting in a 60% improvement in location accuracy.

Jan 2019 - Present
7 years
Doha, Qatar

Lead Full Stack Developer

Ministry of Interior

  • Lead Fullstack Developer bridging business needs with technical solutions. Handling all software development requirements for E-Governance Backend Domain, integrating external systems across ministries in Qatar and overseeing end-to-end delivery from design and development to production.

  • Maintain and enhance a giant monolithic system while strategically breaking it down into microservices. Coordinate with clients to ensure smooth business migration and service continuity in production environments.

  • Developed reusable and responsive UI components using React, Angular, and TypeScript to enhance user experience across various modules.

  • Drive sprint planning, code reviews, and CI/CD automation via Azure DevOps. Implement DevSecOps practices including penetration testing, vulnerability assessments, OWASP guidelines, and GDPR compliance.

  • Lead proof of concept integrating AI-powered retrieval-augmented generation with on-premises large language models to boost system intelligence.

  • Provide post-deployment support and resolve critical production issues.

Jan 2015 - Dec 2019
5 years

Senior Software Engineer

Optum Technology

  • Developed new microservices with REST endpoints based on customer requirements. Coordinated day-to-day with the UI team to integrate functionality and maintained existing services.

  • Fixed defects for a read-only microservices project prior to go-live.

  • Optimized service queries for performance improvements.

  • Applied test-driven development and SonarQube to increase code coverage by 90% and cut production defects by 50%.

Jan 2015 - Dec 2019
5 years

Senior Software Engineer

UnitedHealth Care

  • Handled a high-traffic healthcare portal for 16 million+ users, enabling secure policy registration, claims management, and access to medical, dental, and vision benefits via an intuitive Angular-based interface.

  • Expanded platform capabilities by introducing infant-care coverage, increasing benefit offerings by 20% and enhancing healthcare access for 200,000+ members.

  • Developed a geolocation-powered provider search feature, enabling users to locate 100+ nearby healthcare providers and reducing average search time by 30%.

  • Supported seamless rollouts using canary and blue-green deployments, minimizing downtime.

  • Provided checkout support during critical releases, resolving post-deployment issues within SLA and improving user satisfaction.

Summary

Senior Full Stack Java Developer with 9+ years of experience building scalable, high-performance applications using Java, React, Angular, and microservices architecture. Proficient in DevSecOps, CI/CD, Docker, and Kubernetes. Experienced in developing reusable, responsive UI components and integrating secure APIs. Worked on AI-powered solutions, including Retrieval-Augmented Generation (RAG) with on-premises LLMs. Passionate technical writer with published tutorials on microservices, security, and cloud-native deployment on Medium.

Skills

  • Microservices
  • Distributed System
  • Java
  • Projects
  • Spring Boot
  • Spring Cloud
  • Maven
  • Redis
  • Rest/soap
  • Hibernate/ Jpa
  • Kafka/active Mq
  • Reactjs
  • Angular
  • Typescript
  • Docker
  • Kubernetes
  • Arcgis 16+
  • Cd/ci
  • Bootstrap 4+
  • Openshift
  • Azure Devops
  • Kibana
  • Dynatrace
  • Splunk
  • Git
  • Jenkin
  • Mongodb
  • Oracle
  • Quarkus

Languages

Hindi
Native
English
Advanced
Urdu
Intermediate

Education

Oct 2010 - Jun 2014

Babu Banarasi Das Northern India Institute of Technology

Bachelor of Technology · Technology · Lucknow, India

Certifications & licenses

Containers Dockers, Kubernetes & OpenShift Course Certification

IBM

Microsoft Certified Azure Developer Associate

Microsoft

Agile Project Management Certification

Google

AngularJS (Advanced) Test

StudySection

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