Skills this job asks for
Product managementRustTypeScriptREST APIsSQLPostgreSQLMySQLKubernetes
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Sponsorship verdict
Sponsorship possible
One solid signal, not two. Worth applying, and worth asking about sponsorship early.
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✓
Employer is on a government sponsor recordThe US Department of Labor certified 120 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first.
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The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
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No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area.
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What Cloudflare INC paid sponsored hires in similar roles19 certified filings for “Senior Systems Engineer” (Software Developers) in CA: $185k–$204k, median $195k.
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Confirmed live todayWhen a source last listed this job as open.
Details and sources
- Employer is on a government sponsor record
- The US Department of Labor certified 120 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. Source: LCA disclosure data (US Department of Labor (OFLC)).
- No salary bar for this route
- H-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Cloudflare INC paid sponsored hires in similar roles
- 19 certified filings for “Senior Systems Engineer” (Software Developers) in CA: $185k–$204k, median $195k. Most were filed at wage level II (47%) — 2 lottery entries, ≈31% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
A verdict summarises public evidence. It is not legal advice and never a guarantee: the employer and the immigration authority decide. Sign in to factor in where you can already work.
About the role
About Us
At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.
At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in.
Available Locations: Lisbon, Portugal
About the role
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As a Systems engineer in the WARP team you will join a team that works on the backend system that allows our customers to manage their devices via our Zero Trust Network solution.
In this role, you will work on the design, capacity planning, development, maintenance and enhancement of features that make our WARP and Zero Trust product, such as Device Posture, Orchestration and Notification.
We are looking for engineers that are versatile and eager to contribute to the technical direction of the product, with a focus on growth, scalability and high-availability.
You will collaborate with your team on the planning, priority, deadlines and deliverables of solutions to our customers requirements.
Examples of desirable skills, knowledge and experience
• At least 3 years of professional software engineering experience
• Experience managing high available systems with disaster recovery support.
• Experience in at least of the following languages: Go, Rust
• Experience in Typescript
• Experience designing and integrating RESTful APIs at scale
• Knowledge of SQL and common relational database systems such as PostgreSQL and MySQL
• Knowledge on distributed NoSQL databases
• Excellent debugging experience and optimization skills
• Experience with Kubernetes
Responsibilities
• Design, develop, test, deploy, maintain, and enhance large scale software solutions.
• Own features end-to-end and contribute to the team projects and objectives
• Collaborate with a distributed team of engineers through code reviews, design discussions and knowledge sharing.
• Contribute to the team roadmap by identifying engineering opportunities and improvements for the success of the team and product.
• Collaborate with other Zero Trust teams on goals, outcomes, and timelines.
• Help the team meet project priorities, deadlines, and deliverables.
Compensation
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For Portugal based hires: Estimated annual salary is between €54,000 - €75,000.
Equity
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This role is eligible to participate in Cloudflare's equity plan.
What Makes Cloudflare Special?
We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a
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