Cloudflare, Inc. logo

Software Engineer Intern (R&D) - Bengaluru

Job Overview

Location

In-Office

Job Type

Full-time

Category

Software Engineering

Date Posted

June 3, 2026

Full Job Description

📋 Description

  • Contribute to Bastion, Cloudflare’s next-generation Rust-based HTTP proxy handling tens of millions of requests per second at the edge.
  • Build and operate systems that terminate HTTP and TLS at Internet scale across Cloudflare’s global network of over 330 cities.
  • Migrate core infrastructure from NGINX to a modern Rust-based proxy architecture.
  • Measure and improve performance of HTTP/2 and HTTP/3 protocols using real-world traffic data.
  • Develop observability infrastructure including distributed tracing for high-scale production systems.
  • Create migration tooling to transition legacy systems to new protocol implementations.
  • Contribute to open source projects and collaborate with industry standards bodies such as the IETF on protocols like QUIC, MASQUE, and ECH.
  • Work alongside leading engineers in networking and systems infrastructure to solve technically demanding problems.
  • Engage in performance analysis, protocol implementation, and systems optimization within a high-traffic, low-latency environment.
  • Learn and apply systems programming principles using Rust, C, and other high-performance languages in a production environment.
  • Participate in a 3-6 month internship program based in Bengaluru with full-time in-office work requirements.
  • Gain exposure to cutting-edge internet protocols and infrastructure that serves a quarter of the Internet’s traffic.
  • Support initiatives that enhance Internet security, reliability, and speed for millions of websites and applications globally.

🎯 Requirements

  • Have solid systems programming experience (Rust, C, or similar)
  • Thrive in complex technical domains and enjoy learning new things
  • Care about building reliable, secure, and performant software
  • Are motivated by impact — technical, operational, and on the Internet itself
  • Come from a background that’s underrepresented in tech — we value diverse perspectives

🏖️ Benefits

  • Internship duration of 3-6 months with in-office work in Bengaluru
  • Opportunity to work on systems handling a quarter of the Internet’s traffic
  • Direct collaboration with leading engineers in networking and infrastructure
  • Exposure to cutting-edge internet protocols and standards bodies like the IETF
  • Contribution to open source and industry-defining projects such as 1.1.1.1, Project Galileo, and the Athenian Project
  • Participation in a culture that values iteration, AI-assisted development, and knowledge sharing

Skills & Technologies

Python
JavaScript
TypeScript
Rust
SSL
Junior
Remote

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Cloudflare, Inc.
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About Cloudflare, Inc.

Cloudflare operates a global cloud platform that delivers security, performance, and reliability services for websites, applications, and networks. Its edge network spans hundreds of cities, providing DNS, DDoS protection, CDN, firewall, Zero Trust access, serverless compute, and developer tools. Traffic is proxied through Anycast IP addresses, applying threat intelligence and optimization before reaching origin servers. The company serves millions of customers, from individuals to large enterprises, aiming to help build a faster, safer, and more resilient Internet.

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