Mizanur Rahman Khan
Senior Software Engineer @AUTO1 Group
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WORK HISTORY
Senior Software Engineer @AUTO1 Group
Berlin, DE
Architectural Transformation: Accelerated time-to-market by 75% by re-architecting a fragmented 11-service workflow into a unified, API-first model; streamlined integration cycles from 4 weeks to 7 days.Data Integrity & Observability: Eradicated a 20% inventory mis-clustering rate by re-aligning sourcing logic with cross-functional pricing requirements; implemented an observability suite that enforces a <3% data deviation SLO.Domain Decoupling: Eliminated cross-domain bottlenecks by implementing Anti-Corruption Layers (ACL) and a GraphQL Gateway, enabling seamless independent service iteration and cleaner domain boundaries.Operational Intelligence: Reduced production troubleshooting time by 30% by enriching distributed tracing frameworks with business-context metadata, allowing for faster correlation between system errors and user impact.Automated Technical Debt Reduction: Spearheaded platform-wide automation using OpenRewrite recipes for dependency and version management, reducing manual maintenance overhead by 40%.Modern Engineering Practices: Pioneered Domain-Driven Design and Hexagonal Architecture to minimize regressions; boosted development velocity by 50% through the strategic integration of agentic coding workflows.Engineering Leadership: Scaled team capabilities by designing a structured System Design and Coding interview framework and leading technical workshops that accelerated onboarding for high-caliber engineering hires.
EDUCATION
Bangladesh University of Engineering and Technology
Bachelor of Science - BS
SKILLS
ABOUT MIZANUR RAHMAN KHAN
Building distributed systems that scale to millions of users across global markets.With 14+ years of experience, I specialize in designing and optimizing large-scale distributed systems for consumer-facing platforms. Currently at AUTO1 Group, I architect scalable solutions serving Europe\'s largest automotive marketplace, handling millions of transactions across multiple markets.What I bring: Systems Architecture - Microservices, Event-Driven Architecture, Domain-Driven Design Scalable, Resilient and High Performance System Design, RESTful APIs, CQRS, Stream Processing Performance Engineering - Optimizing high-traffic systems for sub-second response times Technical Leadership - Led 30+ engineers across cross-functional teams Platform Thinking - Built core platforms enabling rapid business expansionTech Stack: Java • Spring Boot • AWS • PostgreSQL • Kafka • MicroservicesHaving worked across emerging markets and established tech hubs, I bring a global perspective on building technology that serves diverse user bases at scale. Passionate about engineering excellence, mentorship, and collaborative problem-solving.Always interested in connecting with fellow engineers tackling scaling challenges, distributed systems, or building the next generation of consumer platforms.Let\'s build something remarkable together.
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