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Abhinav Ranjan

@abhinavranjan

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Backend Engineer | NIT Patna (9.72 CGPA) | Ex Intern-Oracle & IIT Ropar | LeetCode Knight

India

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What I'm looking for

I’m looking for a backend role where I can build REST APIs and database-backed services, work in a cloud-native environment, and apply AI/ML or LLM-assisted workflows with strong engineering and code quality.

I’m a Computer Science graduate from NIT Patna (9.72/10 CGPA) with software engineering internship experience at Oracle Cloud Infrastructure and IIT Ropar. I specialize in building high-throughput backend systems, REST APIs, cloud-native infrastructure, and model-aware AI workflows.

Key Highlights & Impact:

• Oracle Cloud Infrastructure: Accelerated cnsbctl/CLI API-path generation pipelines by 35% and hardened CLI proxy request validation. Supported Kubernetes/KEDA autoscaling readiness using Helm, RBAC/JWKS gating, and Prometheus/Thanos hooks.

• IIT Ropar: Engineered LLM-supported student assistance REST APIs serving 300+ active users with JWT authentication, ticket tracking, and Linux deployments.

• Systems & Algorithms: LeetCode Knight (Top 5.5% globally). Architected a Java Core Banking Engine with TTL caching and built an end-to-end Python energy forecasting pipeline with LLM-assisted QA (>50% OOS MAE reduction).

Experience

Work history, roles, and key accomplishments

Intern - Cloud Infrastructure and DevOps

Oracle

Jan 2026 - Jul 2026 (6 months)

Developed and optimized cnsbctl/CLI API-path generation with XML pruning, schema validation, and CLI proxy request hardening, improving local generation time and reducing invalid-request triage. Supported Kubernetes/KEDA autoscaling readiness with Helm, RBAC/JWKS gating, and Prometheus/Thanos hooks.

CLI API Path Generation XML Pruning API Schema Validation Auth Setup CLI Proxy Request Hardening Raw Path Rejection Duplicate Parameter Checks Argument Sanitization Kubernetes KEDA Helm RBAC Prometheus Thanos OpenShift Automation RBAC JWKS Gating

Software Development Intern - AI Backend

IIT Ropar

May 2025 - Jul 2025 (2 months)

Built an LLM-supported student assistance chatbot with backend REST APIs used by 300+ students across 5+ departments. Implemented JWT-authenticated guidance/ticketing workflows with database integration and supported Linux deployment.

REST APIs Recommendation Workflows JWT Database Integration Linux Deployment Support