Mainul Islam
Senior Software Engineer - Data Platform Team @Delivery Hero SE
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WORK HISTORY
Senior Software Engineer - Data Platform Team @Delivery Hero SE
Berlin, DE
Tech Stack: Golang, Python, Apache Flink, AWS Kinesis, AWS Lambda, Kubernetes, Terraform• Led migration of mission-critical data streaming pipelines from AWS Kinesis to Apache Kafka, reducing vendor lock-in, improving platform portability, and standardizing event-streaming architecture across multiple engineering teams• Serve as technical lead for developing a real-time aggregation system using Apache Flink, enabling sub-second latency data processing for business-critical analytics and operational dashboards• Manage and optimize data streaming infrastructure (built on AWS Kinesis) processing millions of events daily, ensuring 99.9% uptime and high throughput serving 50+ downstream consumers
EDUCATION
Dhaka City College
Higher Secondary Certificate, Sciene
Bangladesh University of Engineering and Technology
Bachelor of Science (B.Sc.), Computer Engineering
SKILLS
ABOUT MAINUL ISLAM
Senior Software Engineer with 12+ years of experience specializing in data streaming platforms, real-time processing systems, and cloud-native backend engineering. Currently at Delivery Hero (Data Platform Team), where I: • Serve as tech lead for a real-time aggregation system using Apache Flink, delivering sub-second latency for business-critical analytics. Expertise: • Stream Processing: Apache Flink, Apache Kafka, AWS Kinesis • Backend Engineering: Golang, Python at scale • Cloud & Infra: AWS (Kinesis, Lambda, DynamoDB, S3, CloudWatch, IAM), Kubernetes, Terraform, Docker • Architecture: Microservices, CQRS, Event Sourcing, Event-Driven Architecture, Lambda Architecture • Observability: Prometheus, Grafana, CloudWatch, Distributed Tracing
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