Kushal Banik — Software Engineer

I am a Software Engineer with strong foundations in Computer Science, Algorithms, and Data Structures, passionate about solving complex problems and building scalable, high-performance systems. Skilled in Java, JavaScript, and C#, I focus on designing solutions that enhance reliability, security, and efficiency across diverse domains including distributed systems, identity platforms, and payment services. Beyond frameworks, my strength lies in analytical problem-solving and system-level thinking, applying first principles and optimization techniques to deliver impactful and practical engineering solutions. Professional Experience Hyland — Software Developer 2 (Alfresco Content Services) Designed a Lucene-based search layer on Elasticsearch, reducing query latency by 15% for 50K+ concurrent users. Improved search accuracy with custom analyzers, token filters, and ranking algorithms across 4M+ documents. Built a high-throughput Rendition & Transformation Service processing 2B+ docs/day with 40ms avg PDF conversion latency. Hyland — Software Developer 1 (Identity Services) Engineered federated identity for 40K+ customers using OAuth 2.0, OIDC, and SAML, reducing federation time by 36% and boosting authentication performance by 20%. Integrated Okta & Ping for secure identity federation. Implemented Device Code Authorization, enabling secure login for 10K+ devices with sub-30s login, driving adoption in healthcare & enterprise systems. Core Skills Java, Spring Boot, Hibernate, JPA, PostgreSQL, SQL Server, AWS, Kubernetes (EKS), Docker, GitHub Actions CI/CD, OAuth2, OIDC, SAML, PCI-DSS tokenization, Angular, TypeScript Projects & Achievements FluxPay: High-performance payment platform handling 20K+ requests/min with smart routing, retries, and exactly-once delivery. Integrated PCI-DSS vaults for tokenization and built a TypeScript SDK achieving 3.2ms p99 latency. LeetCode: Solved 1000+ problems, ranked top 0.85% globally. AI Healthcare: Won Ideathon 2022, incubated NextMedIt under Govt. of West Bengal, piloted in rural healthcare centers. IP Protection: Secured two copyrights for AI-driven medical imaging. Passionate about solving complex distributed systems challenges in search, identity, and fintech. I focus on delivering secure, performant, and scalable solutions in modern cloud-native environments.

Stackforce AI infers this person is a Backend-focused Software Engineer with expertise in SaaS and Fintech.

Location: Kolkata, West Bengal, India

Experience: 3 yrs 8 mos