Danish Sarwar

Software Engineer

Bengaluru, Karnataka, India1 yr 11 mos experience

Key Highlights

Engineered high-volume messaging system improvements.
Implemented SAML SSO, reducing response time significantly.
Architected microservices for compliance with Saudi regulations.

Stackforce AI infers this person is a Backend-heavy Software Engineer specializing in Healthcare and Fintech solutions.

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Skills

Core Skills

JavaSpring BootMicroservicesEvent-driven Architecture

Other Skills

Spring SecurityRabbitMQRedisSAMLGraylogSentryPostgreSQLElectronic Health Records (EHR)Amazon Web Services (AWS)Computer ScienceSoftware DevelopmentCommunicationMySQLAlgorithmsMongoDB

About

Software Engineer with experience in designing scalable microservices, event-driven architectures, and authentication systems. Expertise in Java, Spring Boot, Redis, RabbitMQ, PostgreSQL, and SAML-based authentication. Passionate about optimizing system performance and building resilient distributed systems.

Experience

1 yr 11 mos

Total Experience

1 yr 11 mos

Average Tenure

1 yr 11 mos

Current Experience

Practo

2 roles

Software Engineer - 1

Promoted

Jul 2024 – Present · 1 yr 11 mos · Bengaluru, Karnataka, India · On-site

Improved throughput of a high-volume messaging system (500K+ messages/day) by architecting a scalable queue distribution strategy using RabbitMQ consistent-hash exchange with environment-driven scaling.
Refactored background Quartz jobs to RabbitMQ with delayed scheduling, enhancing reliability and reducing job execution delays.
Optimized Redis caching by eliminating expensive SCAN operations and redesigning data access patterns to reduce latency and improve system scalability.
Implemented IDP-initiated SAML SSO for Insta by Practo, introducing parallel processing to reduce login API response time from 10 seconds to 300 milliseconds.
Integrated Graylog and Sentry for centralized logging and monitoring, enabling real-time alerting and improved system observability.
Recognized as Engineer of the Quarter (Q2 2024) for leading key backend performance improvements and delivering multiple critical projects.

Spring SecurityRabbitMQRedisJavaSpring Boot

Software Developer

Jan 2024 – Jul 2024 · 6 mos · Bengaluru, Karnataka, India · On-site

Architected and orchestrated a microservices-based onboarding flow for Saudi Invoice Reporting (ZATCA), ensuring seamless invoice validation, signing, and submission.
Designed and implemented an XML signing mechanism using cryptographic certificates, ensuring compliance with Saudi e-invoicing regulations (FATOORA).
Developed a microservice for secure invoice storage and retrieval, leveraging Redis caching and PostgreSQL, reducing database queries by 60%.
Integrated a queue-based event-driven architecture with RabbitMQ, enabling asynchronous processing of invoice reporting events and improving throughput.

MicroservicesEvent-Driven Architecture