Abdullah Abro Email & Phone Number

Karāchi, Sindh, Pakistan

• Helped team switching underline blockchain from L2 (Arbitrum) to L1 (Sui). • Developed reward campaigns services to incentivize retail and institutionaltraders resulting in increase in volume from 10M/Day to 100M/Day.• Optimised the performance of backend systems ,by identifying the bottlenecksand converting them to horizontally scalable micro-services.• Applied Redis caching mechanism to improve Response time, DBload, global aggregation and used its Pub/Sub model to sync horizontally scaled pods.• Enhanced Database schema design and management using Postgre SQL with Sequelize ORM , writing efficient transactions, optimized queries and well maintained migrations.• Managed services technical, design decision and other required documentation, and performed on-call rotations.

Karāchi, Sindh, Pakistan

• Contributed to back-end micro-services written in Express/Nest with typescript and GoLang.• Worked with in-memory order-matching-engine, using optimized data structures and state recovery mechanisms.• Managed service down-times by leveraging the Kafka at its best using its replaying mechanism, topic partitions, well defined consumer groups, and data replication across brokers in different AZs.• Frequently worked with AWS EC2, Lambda, RDS, MSK, and bit of DynamoDB for distributed locks.• Built Dashboards and Monitoring of various services using metrics and logs on Data-dog and Grafana.

Karachi

Remote

NodeJs| TypeScript | MySQL •• Responsible for Creating Restful APIs •• Responsible for Designing and maintaining Database schemas and migrations with ORM. •• Worked with Microservice Architechure •• Created Design Docs

Developed Several Projects for clients using • C++ • C# •Javascript

Bachelors In Computer Science, Computer Science, 3.5/4 (Gpa)

Afc And Caf, Accounting And Finance, Distinction From All Over Pakistan (Afc)

Fsc - (I & 11), A+