Atikur Rahaman
@atikurrahaman
Senior backend software engineer building multi-tenant SaaS platforms with reliable async systems on AWS.
BangladeshWhat I'm looking for
I’m a Senior Backend Software Engineer who’s architected multi-tenant SaaS from inception, with a focus on technical leadership and reliability. At AgencyHandy, I led a team of 3 backend engineers and built a high-reliability webhook notifications system that processes thousands of events daily with P99 < 800ms.
I design fault-tolerant async workflows using AWS-native infrastructure: SQS for durable ingestion, Lambda workers for stateless processing, and EventBridge schedulers for deferred re-queuing. I’ve also implemented flexible checkout and custom field engines, integrated multi-tenant payments with Stripe Connect and PayPal Partner, and shipped SES/SNS-backed transactional email with a dynamic templating approach.
Before that, as Co-founder & CTO at Bonik Technologies Limited, I built a multi-tenant commerce platform with custom domain routing (Caddy), delivery integrations, and evolving MySQL database architecture. I drive integration-heavy product work (bKash, Paperfly, Pathao, SSLCommerz) and ensure continuous delivery through CI/CD with GitHub Actions.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Agency Handy
Aug 2023 - Present (2 years 10 months)
Architected the AgencyHandy multi-tenant SaaS platform and led a team of 3 backend engineers. Built a BullMQ-based webhook notification system (p99 < 800ms) and implemented AWS SQS/Lambda/EventBridge async workflows plus Stripe Connect and PayPal Partner multi-tenant payments.
Co-founder & CTO
Bonik Technologies Limited
Jun 2022 - Jul 2023 (1 year 1 month)
Architected and scaled a multi-tenant e-commerce platform with custom domain routing (Caddy) and delivery integrations (Paperfly, Pathao). Led MySQL database evolution, payment integrations (bKash, SSLCommerz), campaign management, and automated CI/CD with GitHub Actions.
Education
Degrees, certifications, and relevant coursework
International Islamic University Chittagong
Bachelor of Science in Computer Science and Engineering, Computer Science and Engineering
Completed a BSc in Computer Science and Engineering at International Islamic University Chittagong.
Availability
Location
BangladeshAuthorized to work in
Job categories
Skills
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