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Zafar Hashmi
Verified Expert in Engineering
Solution Architect and Software Developer
Sydney, Australia
Toptal member since August 31, 2022
Bio
Since childhood, Zafar has been curious about how things work, what could be a root cause, and how problems could be solved in a better way. This thought process has helped him excel professionally for more than 19 years in technical leadership, technology strategy, architecture, and planning to lead complex business and digital transformation, build teams, optimize the business value chain with a spotlight on tangible business benefits, and improve business performance.
Portfolio
NEOS Life
Data Architecture, Data Warehouse Design, Application Architecture...
Convocode
Data Strategy, Cloud Strategy, Amazon Web Services (AWS), Google Cloud...
Healthdirect Australia
Integration, Data Modeling, Continuous Integration (CI)...
Experience
- Web Applications - 17 years
- APIs - 15 years
- Solution Architecture - 15 years
- Application Architecture - 10 years
- Amazon Web Services (AWS) - 8 years
- Data Architecture - 8 years
- Enterprise Architecture - 5 years
- Azure - 3 years
Work Experience
Head of Cloud and Data Platforms
2021 - PRESENT
NEOS Life
- Built a scalable and secured cloud data platform with robust and flexible architecture for fast data processing, increasing data quality, gaining data insights, near real-time reporting, and comprehensive analytics from disparate data sources.
- Designed and built a reporting portal using modern cloud and web technologies to provide a better user experience and on-demand data and reporting service for external advisers, reduce call volume, and enhance the efficiency of the operations team.
- Initiated a process automation workstream after presenting a business case to the executive team to optimize and increase the efficiency of operations processes in coordination with the operation and services team.
- Developed cloud and data strategy and presented a roadmap for data and technology landscape transformation.
- Designed and helped build a product accounting engine to automate initial, expected, and actual calculations of different accounting measures and generate relevant reports in coordination with the finance team.
- Built and led cloud and data engineering teams to develop the in-house capability of data and software engineering for developing data products and software solutions.
- Led and managed engineering teams in migrating legacy processes across operations and finance to a robust and scalable solution.
- Developed an IT governance framework to help in technology and business strategy alignment and review and approve architecture design, data and info-security compliance, and operational readiness of the systems.
Technologies: Data Architecture, Data Warehouse Design, Application Architecture, Web Application Architecture, Azure, Python 3, SQL, Microsoft Power BI, Information Security, Technical Leadership, IT Governance, Data Governance, Data Strategy, Process Automation, Solution Architecture, Java 9, React, Databases, Architecture, Design, APIs
Consultant
2019 - 2021
Convocode
- Investigated and analyzed existing enterprise capabilities in the development of as-is architecture and technology landscape for the digital transformation journey at Legal Aid NSW.
- Designed high-level conceptual and logical cloud architecture to achieve scalable, highly available, robust web application platform and infrastructure at Legal Aid NSW.
- Designed a machine learning system to process image data sets and detect traffic and parking signs (accuracy up to 80%) to support an asset management system.
- Designed a data platform architecture with data pipeline and data lakes for efficient data ingestion, storage, and processing of streaming and image data on the Google Cloud Platform for Poseidon Data.
Technologies: Data Strategy, Cloud Strategy, Amazon Web Services (AWS), Google Cloud, Machine Learning, Image Processing, Solution Architecture, Data Architecture, Technical Leadership, IT Business Analysis, Databases, Design, Architecture, APIs
Head of Engineering, Technology, Innovation, and Gateway Services
2018 - 2019
Healthdirect Australia
- Designed cloud migration strategy and migrated the My Aged Care application on AWS Managed Services architecture based on the microservices pattern to help control operational cost and increase production environment reliability.
- Supervised design and implementation of an enterprise data analytics platform (AWS), helping reduce the business pain points for data validation, data analysis, reports building, and approval workflows and reducing report delivery time by 70%.
- Designed a data management framework using AWS for patient-specific sensitive healthcare data and directed the implementation to build a robust, secured, and scalable system with a proactive operating model that reduced operational overhead by 80%.
- Built projects and BAU development and delivery teams to enhance productivity by 50% and deliver projects and change requests on time with tight deadlines.
- Ensured ISM security compliance and data security of My Aged Care, carer websites, and their platform by leading the implementation of security controls and third-party IRAP assessment for security compliance certification.
- Developed technical roadmap of IGS services and products in consultation with a business providing clear visibility, features, and release schedule and planning insights to accommodate any urgent change request from clients.
- Defined and implemented innovation framework and successfully initiated projects under the innovation stream.
- Led the design of systems and data integration between GP practice management system and Aged Care e-assessment to reduce the time (up to 60%) of completing an Aged Care referral at the point of care and decreased the error rate up to 75%.
Technologies: Integration, Data Modeling, Continuous Development (CD), Continuous Integration (CI), DevOps, Solution Architecture, Application Architecture, Enterprise Architecture, Full-stack Development, Consulting, Information Security, MCSE | Data Management & Analytics, Cloud Strategy, Microservices, Agile, Technical Leadership, Web Applications, Docker, Kubernetes, Databases, Data Architecture, Design, Architecture, APIs, Data Strategy
Principal Architect
2014 - 2018
Healthdirect Australia
- Designed and implemented microservices-based architecture with technology upgrade of the My Aged Care platform on AWS cloud to reduce development time and bugs by 40% of BAU projects and quarterly releases.
- Designed and delivered a scalable and resilient architecture of a complex web application for a nationwide carers gateway platform that provides easy access to just-in-time information and services to help carers in Australia.
- Developed target data architecture of the NHSD platform and delivered a logical and physical data model. Led a team to implement a scalable, robust, and extensible data platform, helping increase the usage of NHSD and expand the client base by 40%.
- Defined data migration strategy and processes to migrate data from legacy database to new database model. Led an implementation of ETL to migrate data to dev, stage, and production.
- Used microservices architecture pattern to develop data services layer for multi-tenancy and enforce security and permission for data access on different data elements.
- Implemented immutable infrastructure on the AWS cloud to reduce operational overhead and infrastructure costs by 45%.
- Defined and implemented an API strategy to migrate Healthdirect's services APIs to enterprise-wide Healthdirect (HDA) API gateway that allowed migration and implementation of HDA API gateway.
Technologies: Amazon Web Services (AWS), Angular, React, PostgreSQL, Java, SQL Server Integration Services (SSIS), Apache Kafka, MuleSoft, WSO2, Amazon Kinesis, API Gateways, Data Modeling, Amazon DynamoDB, MySQL, Apache Solr, Agile, DevOps, Web Security, Solution Architecture, Data Architecture, Enterprise Architecture, Docker, APIs, Web Application Architecture, Application Architecture, Full-stack Development, Cloud Services, Data Strategy, IT Strategy
Lead Solution Architect
2013 - 2014
Healthdirect Australia
- Designed and implemented a data integration architecture between DoH Siebel database systems and the Healthdirect platform to receive regular bulk data feed that minimized the duplication results and kept the database up to date.
- Created a database migration strategy and developed infrastructure architecture to migrate the NHSD legacy database to AWS.
- Managed a team of developers, solution architects, testers, and BA to deliver HDA API gateway and security controls under strict deadlines to enhance enterprise-wide services' API capability.
- Directed implementation of NHSD-efficient search APIs to provide API responses from 100 to 500 milliseconds.
- Collaborated with different teams and divisions across Healthdirect to understand the needs of reference data and designed a reference data solution. Created a canonical model to address the needs of multiple data standards.
Technologies: Digital Transformation, Data Migration, Solution Architecture, APIs, Apache Solr, Web Search, Database Modeling, Data Modeling, Web App Design, Web Development, Java, WSO2, ActiveMQ, Microsoft SQL Server, Data Integration, Angular, PHP, Drupal 6, SAML-auth, User Authentication, OAuth 2, Graph Databases
Project History
My Aged Care Platform
My Aged Care is a platform that provides information and procedure to understand and access aged care services Australia-wide. It is connected with different IT systems across Australia.
I was the lead architect designing the front end, back end, and integration architecture and leading teams to implement and deliver the My Aged Care platform. I worked on solution architecture, integration architecture, data architecture, distributed asynchronous architecture (queue-based), and security architecture. It was designed based on a microservices design using cloud technologies.
Designed APIs, search functionality using Solr, content management, and related functionalities. Some of the technologies used were Java, Angular, AWS Lambda, Docker, AWS SQS, and other related AWS services.
I was the lead architect designing the front end, back end, and integration architecture and leading teams to implement and deliver the My Aged Care platform. I worked on solution architecture, integration architecture, data architecture, distributed asynchronous architecture (queue-based), and security architecture. It was designed based on a microservices design using cloud technologies.
Designed APIs, search functionality using Solr, content management, and related functionalities. Some of the technologies used were Java, Angular, AWS Lambda, Docker, AWS SQS, and other related AWS services.
Education
2006 - 2010
PhD in Artificial Intelligence and Digital Health
University New South Wales - Australia
2001 - 2004
Master of Science Degree in Machine Learning and Knowledge Management
University of Science, Malaysia - Penang, Malaysia
1997 - 2000
Bachelor of Science in Electronics Engineering
Sir Syed University of Engineering and Technology - Karachi, Pakistan
Certifications
MARCH 2019 - PRESENT
Certified Enterprise Architect (TOGAF 9.1)
The Open Group
Skills
Libraries/APIs
React, Node.js
Tools
Visio, SQL Server BI, Microsoft Power BI, ActiveMQ, Apache Solr, NGINX
Paradigms
Application Architecture, Web Application Architecture, Microservices, Agile, DevOps, Web App Design, Continuous Integration (CI), Continuous Development (CD)
Platforms
Amazon Web Services (AWS), Windows, Azure, Docker, Kubernetes, Apache Kafka, MuleSoft, Drupal 6, Drupal
Storage
MySQL, Databases, Google Cloud, PostgreSQL, SQL Server Integration Services (SSIS), Amazon DynamoDB, Database Modeling, Microsoft SQL Server, Data Integration, Graph Databases
Languages
Python 3, SQL, Java 9, Java, PHP
Frameworks
Angular, OAuth 2
Other
Text Mining, Solution Architecture, Digital Health, Technical Writing, Knowledge Management, Data Mining, Design, Web Applications, Enterprise Architecture, Data Architecture, APIs, Architecture, Machine Learning, Presentations, Computer Science, Sparx Enterprise Architecture, Programming, Coding, Engineering, Applied Mathematics, Data Warehouse Design, Information Security, Technical Leadership, IT Governance, Data Governance, Data Strategy, Process Automation, Image Processing, IT Business Analysis, Integration, Consulting, MCSE | Data Management & Analytics, WSO2, Amazon Kinesis, API Gateways, Data Modeling, Web Security, Full-stack Development, Cloud Services, IT Strategy, Digital Transformation, Data Migration, Web Search, Web Development, SAML-auth, User Authentication, Security Architecture, API Integration, Cloud Strategy
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