Sina Askarnejad
Java Software Developer & Team Lead at TOSAN (Banking and Payment Solutions Provider)
Tehran Province, Iran Other
Summary
👤
Senior🎓
Top SchoolSina Askarnejad is a senior Java software developer and team lead with over a decade of professional experience and 6+ years focused on designing and delivering scalable backend systems for banking and education. At TOSAN he led an 8-person team and built Spring Boot, Spring Cloud and Kafka-based microservices (including a SEPA-compliant instant credit transfer service) deployed on Kubernetes, improving customer satisfaction and reducing defects. He combines hands-on engineering—performance tuning Kafka, implementing Reactive APIs with Spring WebFlux, and automating tests and CI/CD—with technical leadership in code quality, architecture reviews, and cross-team training. Sina has a strong academic background (MS with 4.0 GPA) and a proven teaching track record, having trained 400+ students in Java and algorithms, which informs his clear documentation and mentoring style. He’s comfortable in DevOps workflows and security stacks (Keycloak, Vault) and likes solving distributed systems challenges such as eventual consistency, CQRS, and orchestration optimizations. A pragmatic problem-solver, he balances delivery speed with reliability, evidenced by multiple production releases that scaled to millions of clients.
12 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS, Information Technology, 3.80 GPA, Bachelor of Science - BS, Information Technology, 3.80 GPA at Shiraz University of TechnologyMaster of Science - MS, Information Technology (Computer Networks), 4.0 GPA, Master of Science - MS, Information Technology (Computer Networks), 4.0 GPA at Sharif University of Technology
English, Persian
Stackoverflow
314reputation
23kreached
2answers
8questions
Github Skills (26)
cqrs10
messaging10
reactive10
rabbitmq10
ddd10
event-sourcing9
spring9
event-driven9
cloud-native9
stream-processing9
microservices9
spring-cloud8
uid8
bulkhead7
fault7
Programming languages (1)
Github contributions (5)
simsinak/offline-map-with-augmenteReality-nav
May 2014 - Feb 2017
Contributions:19 commits, 14 pushes, 2 issues in 2 years 9 months
realityunity-enginemapboxaugmentedaugmented-reality
Contributions:1 release, 17 pushes, 1 branch in 7 days
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