or apply directly on Cloudflare's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 82 days Cloudflare's roles stay open a median of 83 days
- Reposted
- No
- Salary listed
- No 28% of Cloudflare's roles list one
- Ghost-job risk at Cloudflare
- high 342 stale, 12 reposted of 342 open
- Hiring momentum
- 494 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-25
Measured from postings appearing on and disappearing from Cloudflare's own greenhouse board since 2026-08-03. Full hiring picture for Cloudflare.
About this role
As a Senior Software Engineer on the Workers Runtime team at Cloudflare, you will be responsible for building features and improvements for the Workers Runtime, enhancing performance, and expanding support for JavaScript and WebAssembly. You will own code in production, debug issues in a large-scale distributed system, and work in a fast-paced environment that emphasizes both product goals and technical execution.
- benefits
- 5/5
- freshness
- 1/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Cloudflare as an employer.
What you need
- 2+ years of recent professional experience with C++ or Rust
- Strong computer science fundamentals, including data structures, algorithms, and software design
- Operational mindset and experience owning production systems
- Deep understanding of the web, including HTTP, JavaScript, and WebAssembly
- Experience debugging and optimizing large-scale Linux-based distributed systems
Nice to have
- Experience building high-performance distributed systems in Rust
- Experience with cloud or serverless platforms
- Familiarity with JS engine internals such as V8, SpiderMonkey, or JavaScriptCore
- Experience with standalone WebAssembly runtimes such as Wasmtime, Wasmer, or Lucet
- Deep Linux, UNIX, kernel, or networking knowledge
What you get
- Medical/Rx Insurance
- Dental Insurance
- Vision Insurance
- Flexible Spending Accounts
- Commuter Spending Accounts
- Fertility & Family Forming Benefits
Worth weighing
- No specific mention of remote work options, as the position is in-office
- Compensation varies significantly based on location, which may affect salary expectations
- The role involves working with potentially complex and large-scale distributed systems, which may require a steep learning curve
Summarised from Cloudflare's posting. Read the full original.
Listed by Cloudflare on their greenhouse job board, last confirmed open on 2026-10-25. PitchMeAI is not the employer.
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