Shazan Ahmed

Software Engineer

Bengaluru, Karnataka, India3 yrs 9 mos experience

Most Likely To SwitchAI Enabled

Key Highlights

Expert in building scalable, fault-tolerant backends.
Proven track record of optimizing performance and reducing costs.
Strong experience in microservices and real-time systems.

Stackforce AI infers this person is a Backend Engineer specializing in SaaS and Fintech solutions.

Contact

Skills

Core Skills

JavaSpringDatabase ManagementSoftware DevelopmentApi DevelopmentSoftware InfrastructureDistributed SystemsFront-end Development

Other Skills

Adobe LightroomAlgorithmsApache KafkaApplication ProgrammingAsynchronous processingAzure DevOpsAzure DevOps ServerBack-End Web DevelopmentBatch operationsC (Programming Language)C++Caching strategiesCascading Style Sheets (CSS)Code refactoringComputer Science

About

Software Engineer specialized in distributed systems, crafting fast, fault-tolerant backends that turn performance into business impact. At CleverTap, I’ve shipped cost-efficient storage and multi-threaded services that scale reliably, with measurable wins in latency, uptime, and spend. Strong in Java, Spring, AWS, and database; motivated by pragmatic engineering, clean abstractions, and hands-on ownership from design to deploy. Open to backend/platform roles where reliability meets growth.

Experience

3 yrs 9 mos

Total Experience

1 yr 3 mos

Average Tenure

1 yr 9 mos

Current Experience

Clevertap

Software Engineer

Sep 2024 – Present · 1 yr 9 mos · Mumbai, Maharashtra, India · Hybrid

Architected disk-based storage system using SQLite to replace in-memory maps, reducing infrastructure costs by 15% while maintaining sub-100ms query performance for 10M+ daily operations.
Led end-to-end implementation of custom font rendering engine for email campaigns, enabling seamless $7M ARR client migration from Leanplum and ensuring brand consistency across 50M+ monthly communications.
Built real-time personalization engine for multi-channel campaigns (push, email, SMS, webhooks), achieving 25% CTR improvement through dynamic content delivery and advanced targeting algorithms.
Optimized campaign processing pipeline using Redis caching and asynchronous processing, reducing email delivery latency by 40%.

JavaSpringSQLiteRedisReal-time personalizationMulti-threaded services

Stealth

Software Engineer - Backend

Mar 2024 – Aug 2024 · 5 mos · Remote

Enhanced recommendation system architecture by redesigning data storage protocols and implementing efficient caching strategies, reducing processing time by 10% for 1M+ daily personalized messages.

Recommendation systemData storage protocolsCaching strategiesDistributed Systems

Accenture

Associate Software Engineer

Aug 2022 – Mar 2024 · 1 yr 7 mos · India · Hybrid

Designed and developed 10+ microservices using Java Spring Boot for ING Bank's Finance & Risk platform, serving 100K+ daily transactions with 99.9% uptime.
Engineered bulk processing system for Suspense Account application handling 50K+ daily comment entries, reducing processing time by 15% through optimized batch operations and parallel processing.
Led UI modernization initiative by migrating legacy interfaces to ReactJS, resulting in 20% increase in user engagement and 30% reduction in support tickets.
Optimized database performance across 15+ applications through query tuning and indexing strategies, achieving 15% faster page loads and reducing API response times from 800ms to 400ms.
Built automated data cleansing microservice using Spring Batch and scheduled jobs, improving data quality by 30% and reducing manual processing overhead by 80%.
Developed a streamlined Bulk ErrorIDs filtering system in the Financial Accounting application, enabling users to independently delete errors in bulk and reducing error resolution time by 40%, minimizing reliance on the production support team.
Independently executed comprehensive code refactoring efforts and conducted design and code reviews to enhance overall system efficiency by 15%, achieve a 95% on-time response and delivery rate, and bolster stakeholder satisfaction and trust.

JavaSpring BootMicroservicesReactJSDatabase performance optimizationSpring