About
Java Backend Developer with 1.5+ years of combined professional experience spanning enterprise backend engineering and university-level computer science instruction. Currently contributing to Arya.ag’s Loan Management System (LOMS), building scalable backend services using Java 21, Spring Boot, Microservices, PostgreSQL and REST APIs. Experienced in API design, production support, observability, security hardening, third-party integrations, CI/CD workflows and backend performance optimization.
Skills & Expertise (34)
Work Experience
Java Backend Developer (Intern)
ARYA.AG
Apr 2026 - Present
Designed and implemented a production-ready Sliding Window Counter framework with configurable client-specific throttling, runtime configuration refresh, thread-safe processing, concurrent Python load testing, HTTP 429 enforcement and zero database access on the request execution path, improving API stability under concurrent traffic. Built a WireMock-based framework for TransUnion Consumer and Commercial integrations with deterministic mock scenarios, scenario-specific document mappings and Docker-assisted local/UAT execution, enabling reliable testing without external service dependencies. Designed and implemented REST APIs for partner master-data management, including lifecycle management, request validation and relational database integration using Java 21, Spring Boot, Spring Data JPA and PostgreSQL. Migrated enterprise notification services from V2 to V3 APIs while preserving backward compatibility and validating the integration end to end. Performed production debugging, root-cause analysis, backward-compatible fixes for warehouse-data retrieval issues and UAT validation to improve data correctness and reliability. Strengthened code quality through SonarQube remediation, XXE mitigation, regex hardening, safer exception handling and Checkstyle improvements across 90+ Java files. Established centralized API documentation across 12+ business modules, improving developer onboarding and testing efficiency. Implemented Micrometer audit metrics using bounded tags and best-effort instrumentation with low-cardinality metrics for production observability. Developed centralized policy-driven HTTP logging with sensitive-data masking, payload suppression and fail-closed evaluation for secure operational logging.
Assistant Professor
Acharya Institute of Technology
Jan 2025 - Jul 2025
Delivered Advanced Java and Backend Development courses while mentoring students in OOP, RESTful application design and software engineering.
Assistant Professor
Baddi University
Aug 2024 - Jan 2025
Delivered Cloud Computing and Computer Graphics courses.
Education
M.Tech - Computer Science & Engineering - Punjabi University
2022 - 2024 · Afghanistan
B.Tech - Computer Science & Engineering - Punjabi University
2018 - 2022 · Afghanistan
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Skills (34)
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