Arun Chauhan

About Arun Chauhan

Hey, I’m Arun- A Backend Engineer with 5+ years of experience designing, building, and optimizing scalable systems across FinTech, Telecom, and Enterprise domains.I’ve worked with global cross-functional teams and contributed to multiple high-impact projects for Fortune 500 clients. Currently, I’m part of PayPal, working on backend engineering and scalable system components. Previously, I worked with Deloitte India (BIG4), where I contributed to large-scale projects for the Government of India and a US-based Fortune 500 financial services company. Before that, I worked with Infosys, building backend functionalities for one of the world’s largest telecom providers.What I bring to the table:I enjoy solving complex engineering problems, simplifying systems, and building backend architectures that scale. My experience spans across software development, cloud, DevOps tooling, and modern distributed systems.Tech Stack & Tools:Languages and Frameworks: Java (8/11/17), Spring Boot, Spring BatchCloud and DevOps: AWS, Kubernetes, Jenkins, LinuxDatabases: PostgreSQL, Oracle 11gTools: Git, GitHub, Bitbucket, PostmanOthers: JavaScript, Angular, React, Python (Flask/Django)I’ve collaborated with teams in organizations such as:PayPal • Deloitte • Infosys • RARR Technologies • Inc What I’m passionate about:Backend Engineering & Distributed SystemsCloud-Native DevelopmentGenAI & Intelligent AutomationFull-Stack DevelopmentBuilding products that solve real business problems:I’m always (mostly :xD) learning & actively invest time in sharpening my skills — from system design to new backend patterns — to deliver better engineering outcomes.Outside of work:You’ll find me designing, practicing yoga, exploring new places, listening to music, playing cricket, or learning digital marketing. If you\'re working on backend engineering, system design, or building scalable products, let’s connect. Always open to meaningful conversations and future opportunities.

Experience

1. Sde Iii

   PayPal

   Jan 2025 — Present · Bengaluru, IN

   Built core of B2B Payments platform• Contributing in end-to-end design and development of new APIs, including architecture decisions, LLD, business logic implementation, and much more :P• Collaborating closely with cross-functional teams (Merchant Reporting, P2P, Payments, etc.) to align workflows, integration across multiple domains.• Supported Invoicing Plus enhancements and delivered integration changes for the Bill Pay product with Hyperwallet, enabling multi-country, multi-currency payout capabilities.

Education

• B.N. Public School / Faridabad

  12th, Non-Medical

  2015 — 2016

• B. S. Anangpuria Educational Institutes

  Bachelor of Technology, Computer Science

• B.N. Public School / Faridabad

  10th

  2013 — 2014