Cloudflare Logo

Cloudflare

Systems Engineer, Challenges & Turnstile

Posted 7 Hours Ago
Be an Early Applicant
Hybrid
Lisbon
Junior
Hybrid
Lisbon
Junior
As a Systems Engineer at Cloudflare, you'll enhance bot and human detection capabilities, engage in full-stack development, and build scalable software tailored for security and privacy. Your role will also involve addressing technical issues as needed, showcasing problem-solving and adaptability skills.
The summary above was generated by AI

Available Locations: Lisbon (preferred) or London
About Cloudflare and Our Team
Cloudflare's Engineering Team is home to some of the industry's top engineers, dedicated to building and scaling innovative software that handles a huge proportion of the Internet. Our team, specifically responsible for Turnstile and Challenges Pages, works in close collaboration with a dedicated Product Manager and other engineering teams to develop cutting-edge Bot detection solutions. Have a look at some of our articles mentioning Turnstile!
Working in Our Team
You'll be integral to making our product more robust, secure, and stable. Our product runs in all corners of the web, on any imaginable browser, requiring continuous testing and adaptability. We value innovation and problem-solving skills - we encourage you to bring forward problems you identify along with your best solutions. Our team syncs are centered around addressing these challenges, focusing on short and long-term solutions for maximum business value.
What You'll Do
As a Software Engineer in our team, you'll play a key role in expanding our Turnstile and Challenges products. Your responsibilities will include:

  • Enhancing bot and human detection capabilities while maintaining a focus on privacy, security, and usability.
  • Full-stack development - from Edge process configuration to client-side logic.
  • Building scalable, secure, and privacy-conscious software to accommodate a growing user base with diverse requirements.
  • This role may require flexibility to be on-call outside of standard working hours to address technical issues as needed.


About You
We're looking for an engineer with:

  • Proficiency in Rust and TypeScript (or eagerness to learn)
  • A security-focused mindset, essential for a product like Turnstile.
  • A natural sense of curiosity and a self-driven attitude.


Bonus Points

  • Experience with ClickHouse, PostgreSQL, Docker, Salt, Lua, Go, and Unix systems will be highly regarded.
    • You do not need to have experience with any of these technologies!
  • Previous experience with counter abuse, fraud detection and mitigation.

Similar Jobs at Cloudflare

7 Hours Ago
Hybrid
3 Locations
Senior level
Senior level
Cloud • Information Technology • Security • Software • Cybersecurity
The Senior Systems Engineer will enhance PostgreSQL infrastructure, optimize performance, and manage database tools for automation and monitoring. Responsibilities include deploying and maintaining production databases, implementing high availability solutions, and monitoring database health using observability tools. Flexibility for on-call support outside standard hours is required.
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Systems Engineer in Application Services, you'll design systems, write code, and maintain software-based services at scale. This role involves collaborating with team members to detect and address security threats while supporting fellow engineers through knowledge sharing. You'll also keep up with industry trends and partake in an on-call rota to ensure service reliability.
8 Hours Ago
Hybrid
2 Locations
Mid level
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
The Software Engineer will develop and maintain customer and internal service APIs, using Go and relational databases. The role involves collaborating with product teams, designing code, and optimizing large-scale distributed systems. Strong proficiency in API design and database interaction is essential.

What you need to know about the Manchester Tech Scene

Home to a £5 billion digital ecosystem, including MediaCity, which consists of major players like the BBC, ITV and Ericsson, Manchester is one of the U.K.'s top digital tech hubs, at the forefront of advancements in film, television and emerging sectors like as e-sports, while also fostering a community of professionals dedicated to pushing creative and technological boundaries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account