Arka Bandyopadhyay

Senior/Staff Software Engineer

Bangalore, IN.

About

Highly accomplished Senior Software Engineer with 8+ years of expertise in designing, developing, and scaling high-performance backend systems using Java and related technologies. Proven leader in end-to-end feature development, mentoring junior engineers, and driving engineering best practices, with deep expertise in distributed systems, microservices architecture, and cloud platforms (AWS/GCP/Azure). Seeking a Senior/Staff Engineer role to leverage this extensive background in building scalable, resilient, and low-latency applications that drive significant business impact and technical innovation.

Work

Responsive

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Lead Engineer

Bengaluru, India, India

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Summary

Led engineering initiatives at Responsive, overseeing end-to-end feature development, team mentorship, and critical system optimizations to enhance performance and reliability.

Highlights

Mentored 5+ junior developers, reducing onboarding time by 30% and significantly improving overall team code quality and productivity.

Collaborated with product managers to define technical requirements for over 10 features, accelerating complex solution delivery by 25%.

Optimized critical code paths, decreasing API response time by 40% and enhancing application performance under peak load.

Implemented proactive monitoring and incident response protocols, cutting system downtime by 50% and reducing Mean Time To Resolution (MTTR) by 35%.

Integrated "Deep L" translation for multi-language support, boosting content turnaround time by 60%, and leveraging AI tools (Cursor AI, GitHub Copilot) to increase feature delivery velocity by 20%.

Consulting & Contract Engagements

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Senior Software Engineer

Bengaluru, Karnataka, India

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Summary

Provided expert software engineering consultation across various client engagements, delivering high-impact solutions in backend development, data processing, and system scalability.

Highlights

Engineered a high-throughput Kafka pipeline (24K events/sec) for real-time data ingestion and processing at Birla Pivot, leading the migration to Java 21 to significantly improve performance and scalability.

Developed a scalable notification engine with Twilio integration at Paigeon, enhancing message delivery rates and improving system observability using Prometheus and Grafana.

Integrated referral APIs and built a lead distribution system using Spring Boot at Vedantu, significantly improving lead conversion rates.

Integrated Tamm APIs using React 16, GraphQL, and Spring Boot at Xebia, enhancing data retrieval and improving user experience.

Developed Spring Boot microservices and React micro frontends for Vodafone Italy at Amdocs, integrated with Adobe AEM for a seamless user experience.

Zee Entertainment Enterprises Ltd

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Software Developer 2

Bangalore, India, India

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Summary

Contributed to core backend development at Zee Entertainment, focusing on API optimization, recommendation systems, and cost-efficient data solutions.

Highlights

Designed and implemented a low-latency watch history API (10ms) using Java and Spring Boot, increasing click-through rate (CTR) by 12%.

Developed a contextual recommendation system leveraging Kafka for high-throughput data processing, efficiently handling 100K transactions per second (TPS).

Reduced infrastructure costs by 8% through the implementation of a custom Bloom filter for efficient data caching.

Mihup Communications Pvt Ltd

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Software Developer 2

Kolkata, India, India

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Summary

Developed AI-driven communication systems and robust multi-tenant database solutions at Mihup Communications, enhancing operational efficiency and data management.

Highlights

Designed and implemented an AI-driven Virtual Intelligent Assistant (VIA) using RabbitMQ, improving operational efficiency by 7% through asynchronous communication.

Built a multi-tenant database system with PostgreSQL, ensuring data isolation and compliance while supporting multiple clients on a single instance.

Infiflex Technologies Pvt Ltd

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Software Associate

Kolkata, India, India

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Summary

Contributed to software development at Infiflex Technologies, focusing on automation systems to improve efficiency and reduce errors.

Highlights

Developed a payroll automation system using Java and Spring Boot, reducing manual errors by 70% and significantly streamlining the payroll process.

Built a comprehensive workflow automation system for the release process, leveraging Apache tools to automate build, test, and deployment pipelines.

Education

Calcutta Institute of Technology

Howrah, India, India
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Bachelor of Science Computer Science & Engineering Grade:

Skills

Languages & Frameworks

Java, Spring Boot, React, GraphQL, Java 21.

Backend & Infrastructure

Microservices, Distributed Systems, REST API, PostgreSQL, Redis.

Messaging & Streaming

Kafka, RabbitMQ, ActiveMQ.

Cloud & DevOps

AWS, GCP, Azure, Docker, Kubernetes, Prometheus, Grafana.

Tools & Methodologies

Test-Driven Development (TDD), JUnit, Mockito, Cursor AI, GitHub Copilot, Agile, Scrum.

Security

OAuth2, OpenID Connect (OIDC).