Senior Software Engineer with 10+ years building full-stack web applications, backend APIs, React/Next.js frontends, Node.js services, and database-backed systems. Experience spans authentication, permissions, audit logging, RBAC, payments, AWS/GCP/Azure, and production-grade CI/CD and containerization. Focused on applying AI to solve complex government/public sector needs with strong balances of speed, security, reliability, scalability, and maintainability—using LLMs, RAG, AI agents, prompt engineering, and secure workflow implementations.

Yunus Koroglu

Senior Software Engineer with 10+ years building full-stack web applications, backend APIs, React/Next.js frontends, Node.js services, and database-backed systems. Experience spans authentication, permissions, audit logging, RBAC, payments, AWS/GCP/Azure, and production-grade CI/CD and containerization. Focused on applying AI to solve complex government/public sector needs with strong balances of speed, security, reliability, scalability, and maintainability—using LLMs, RAG, AI agents, prompt engineering, and secure workflow implementations.

Available to hire

Senior Software Engineer with 10+ years building full-stack web applications, backend APIs, React/Next.js frontends, Node.js services, and database-backed systems. Experience spans authentication, permissions, audit logging, RBAC, payments, AWS/GCP/Azure, and production-grade CI/CD and containerization.

Focused on applying AI to solve complex government/public sector needs with strong balances of speed, security, reliability, scalability, and maintainability—using LLMs, RAG, AI agents, prompt engineering, and secure workflow implementations.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Work Experience

Senior Software Engineer at iCIMS
January 1, 2020 - September 1, 2025
Contributed to development and modernization of talent acquisition platforms spanning recruiter web applications, browser extensions, ATS integrations, and messaging experiences. Modernized legacy platform components to improve maintainability, scalability, and long-term product evolution. Designed and delivered enterprise-grade AI-powered SaaS features using Python, OpenAI API/LLM integrations, AI agents, prompt engineering, and REST APIs. Architected and maintained secure full-stack product work across Chrome/Firefox/Edge browser extensions, a proprietary ATS plugin, and recruiter/AI chatbot communication tools. Built TypeScript/React/Next.js/Node.js applications using secure patterns for AI-assisted communication, complex work settings, role-based behavior, blacklisting, i18n, and secure customer-facing experiences across three browser platforms. Developed AI work communication history and task-driven user journeys across multiple product areas, improving reliability, privacy-awar
Senior Software Engineer at iC IM S
January 1, 2020 - September 1, 2025
Contributed to development and modernization of a talent acquisition platform spanning recruiter web applications, browser extensions, ATS integrations, and messaging experiences. Modernized legacy platform components to improve maintainability, scalability, and long-term product evolution. Designed and delivered enterprise-grade AI-powered SaaS features using Python, OpenAI API, LLM integration, AI agents, and prompt engineering. Built and maintained secure full-stack product work including Chrome/Firefox/Edge browser extensions, a proprietary ATS plugin, and recruiter/AI chatbot communication tools. Implemented TypeScript/React/Next.js/Node.js application patterns for AI-assisted communication, complex work settings, role-based behavior, blacklisting, i18n, and secure customer-facing experiences across three browser platforms. Developed AI work communication history and task-driven user journeys across multiple production areas. Improved reliability, privacy-aware edge cases, and a
Senior Software Engineer at Walmart Labs
August 1, 2018 - December 1, 2019
Designed and modernized large-scale e-commerce checkout experience supporting millions of customer transactions. Led release support, experiment analysis, and QA efforts to ensure successful launches and operational stability. Enhanced payment and fraud prevention capabilities via integration and optimization of multiple payment solutions. Re-architected Walmart.com checkout payment systems across 500+ React components, with full-stack architecture and backend API integration, ensuring secure data handling and database-backed workflows. Built production-grade payment and authentication-adjacent systems plus third-party API integrations across credit cards, wallet scripts, CVV validation, PerimeterX recaptcha, and related services. Improved checkout performance by 30% using bundling, prefetching, concurrent API calls, web page test automation, A/B test analysis, and production tuning. Supported thousands of components and 900+ automated test cases while resolving blocking defects thro
Software Engineer (Freelance)
October 1, 2015 - August 1, 2018
Delivered full-stack web products covering public websites, admin applications, authentication, payment work, and data-backed operational tools. Designed PostgreSQL schemas, SQL-backed data models, and permission-ready admin work supporting public and admin web apps. Integrated Stripe payments plus Google and Facebook authentication for an ordering/work system. Optimized the Flyer's BnB React/Express system latency and throughput, scaling Redis/MongoDB/SQL/NoSQL analysis across tens of millions of records and production traffic. Utilized NGINX, Végétà (as mentioned), and Artillery for performance testing and monitoring.

Education

Bachelor of Science (B.S.) – Cellular & Molecular Biology at San Jose State University
January 1, 2012 - January 1, 2015
Bachelor of Science (B.S.) - Cellular & Molecular Biology at San Jose State University
January 1, 2012 - January 1, 2015

Qualifications

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Industry Experience

Software & Internet, Government, Financial Services