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7.3K jobs
Cloudflare Backed by Union Square Ventures
42 views 6 days ago

Systems Engineer, SSL/TLS Team

Open 68d HybridNorth America 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Systems Engineer on Cloudflare's SSL/TLS team, building Go-based backend services and RESTful APIs that issue, manage, and deploy TLS certificates for millions of websites. Day to day involves building and operating distributed systems, integrating services via message queues, writing specs and alerts, and migrating legacy code. Hybrid role based in Austin.

AI API Cloudflare Distributed Systems DNS +11 skills
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Cloudflare Backed by Union Square Ventures
51 views 6 days ago

Senior Software Engineer - Addressing Team

Open 62d HybridEurope, North America, UKSenior 3 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.

Senior Software Engineer on the Addressing Team designing and maintaining core software services for IP address configuration and distributed systems, primarily using Go to build microservices for large corporate network protection.

AI API BGP ClickHouse Cloudflare +19 skills
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Cloudflare Backed by Union Square Ventures
20 views 6 days ago

Network Security Engineer

Open 62d HybridEurope 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Portugal

A customer-facing Network Security Engineer at Cloudflare's Lisbon office (hybrid) who helps the company's largest customers resolve attacks and technical issues at OSI layers 3, 4, and 7 — analyzing traffic signatures, mitigating DDoS, and advising on tools like Magic Transit, WAF, Spectrum, and Rate Limiting, while working with engineering to improve products.

AI Bash BGP Cloudflare DNS +16 skills
38K – 52K €
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Cloudflare Backed by Union Square Ventures
66 views 6 days ago

Systems Engineer, Network Protocols & Distributed Systems

Open 55d HybridEurope, North America, UK 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.

Systems engineer at Cloudflare building and operating HTTP/TLS termination systems that handle roughly a quarter of Internet traffic, migrating core infrastructure from NGINX to a next-gen Rust-based proxy and improving protocol performance (QUIC, MASQUE, ECH) while contributing to open standards. Hybrid role based in London, Lisbon, or Austin.

AI Cloudflare Cryptography DNS Networking +3 skills
54K – 75K €
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Cloudflare Backed by Union Square Ventures
95 views 6 days ago

Software Engineer - Egress (Go/Rust)

Open 53d HybridEurope, North America, UK 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.

Cloudflare is hiring a software engineer for its Egress team, which builds the network software that lets Cloudflare products (WARP, iCloud Private Relay, Zero Trust) connect outbound from its global edge network. Day to day: designing, coding in Go/Rust, testing, and running production systems (Kubernetes, ClickHouse, PostgreSQL, Grafana) with on-call duties, in a hybrid role based in Austin, Lis

AI API ClickHouse Cloudflare Distributed Systems +13 skills
54K – 75K €
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Cloudflare Backed by Union Square Ventures
22 views 6 days ago

Technical Support Engineer, Application Services

Open 39d On-siteAPAC 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Singapore
In-Office

Provide premium technical support to Enterprise customers on Cloudflare's Application Services and Performance solutions. You will troubleshoot complex issues involving DNS, HTTP, Load Balancing, and SSL/TLS using command-line tools like dig and curl, and scripting languages like Python or Bash.

AI Bash Cloudflare Cybersecurity DNS +19 skills
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Cloudflare Backed by Union Square Ventures
35 views 6 days ago

Customer Solutions Engineer

Open 36d On-siteAPAC 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
India
In-Office

A customer-facing post-sale technical role (officially Center of Excellence Engineer) in Cloudflare's Bengaluru office, guiding customers from provisioned accounts to live deployments via onboarding calls, configuration guidance (DNS, SSL/TLS, WAF, Zero Trust, CDN), workshops, and troubleshooting. Core technologies: Cloudflare platform, networking (DNS, TLS, HTTP, BGP), Terraform/APIs, and Python/

AI API Authentication Automation Azure +29 skills
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Cloudflare Backed by Union Square Ventures
39 views 6 days ago

Vulnerability Defense Software Engineer, Cloudforce One

Open 32d HybridNorth America 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Software engineer on Cloudflare's Cloudforce One threat operations team, building and scaling distributed tools and services (Go, TypeScript, Rust, Kafka, Kubernetes, PostgreSQL) that help security practitioners assess technical risk, investigate threats, and prioritize vulnerabilities. Hybrid role based in Austin, TX or Washington, D.C.

Agentic AI AI API Automation Cloudflare +20 skills
150K – 206K $
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Cloudflare Backed by Union Square Ventures
37 views 6 days ago

Senior Software Engineer, Cloudflare for SaaS

Open 29d HybridNorth AmericaSenior 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Senior backend engineer on Cloudflare for SaaS, designing and operating Go-based control-plane services and REST APIs that onboard, validate, and manage tens of millions of customer domains and their TLS certificates across Cloudflare's global network. Hybrid role based in Austin.

AI API Cloudflare Data Modeling Distributed Systems +12 skills
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Cloudflare Backed by Union Square Ventures
12 views 6 days ago

Senior Certificate Authority Architect

Open 25d HybridSenior 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.

Senior architect role defining the end-to-end architecture of Cloudflare's new public Certificate Authority: trust hierarchies, HSM-backed key management, ACME issuance at Internet scale, Certificate Transparency, revocation, and the migration path from X.509 to post-quantum Merkle Tree Certificates. A hybrid position spanning applied cryptography, Web PKI, and distributed systems security.

AI Authentication Cloudflare Cryptography Distributed Systems +4 skills
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Cloudflare Backed by Union Square Ventures
29 views 6 days ago

Systems Engineer, DNS

Open 20d HybridNorth America 6 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Systems engineer on Cloudflare's DNS team, building and operating massive-scale authoritative DNS and the 1.1.1.1 public recursive resolver (~3 trillion queries/day). The work spans protocol implementation, distributed systems, performance, reliability, and operational tooling, writing production code mainly in Rust or Go. Hybrid role based in Austin, TX.

AI Cloudflare Distributed Systems DNS Networking +2 skills
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Cloudflare Backed by Union Square Ventures
58 views 6 days ago

Principal Product Manager, Certificate Authority

Open 18d HybridNorth America, UKPrincipal 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.

Principal Product Manager who will define product strategy, roadmap, and go-to-market for Cloudflare's new public certificate authority — a zero-to-one WebPKI venture covering ACME-first issuance, certificate lifecycle automation, revocation, and Certificate Transparency. Hybrid role based in Austin or London, partnering across engineering, compliance, and sales.

Agentic AI AI API Automation AWS +18 skills
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Cloudflare Backed by Union Square Ventures
12 views 6 days ago

Senior Manager, Customer Engineering, Central Eastern Europe & Israel - Hebrew Speaking

New HybridSenior 5 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this 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…

Agentic AI AI API Automation Cloud +17 skills
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Cloudflare Backed by Union Square Ventures
46 views 6 days ago

Technical Support Engineer, Developer Platform

New HybridNorth AmericaFull-time 6 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Technical Support Engineer on Cloudflare's Developer Platform team, helping developers building on Workers, R2, D1, Durable Objects, and related products. Day to day: owning support cases, replicating issues, analyzing logs and telemetry, writing scripts/docs, and escalating with Engineering — hybrid from the Austin office on a Tue–Sat or Sun–Thu rotation.

AI API Authentication Bash Cloud +14 skills
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Factor IT
40 views 6 days ago

Back-end Senior Java – Apigee y GCP

New HybridLATAMSenior
Chile

Senior backend developer building and deploying Java 25 / Spring Boot 3 microservices for a major Chilean financial institution, plus implementing the Google Apigee API management layer and GCP integrations (Cloud Storage, Cloud SQL, Pub/Sub), monitored with Elastic APM. Hybrid in Santiago; 3-month fixed-term contract.

API Apigee Cloud GCP GKE +20 skills
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Censys Backed by Greylock
103 views 6 days ago

Staff Site Reliability Engineer- Networking

New RemoteNorth AmericaFull-timeStaff 4 questions
US or Canada

Staff-level SRE who owns networking across Censys' hybrid infrastructure — data center fabrics, GCP VPCs, Kubernetes networking, and edge/DDoS protection for its internet-scanning security platform. Sets technical direction, automates network changes via GitOps (Go/Python, Terraform), and leads cross-datacenter resiliency.

AI API Argo CD Automation BGP +17 skills
172K – 233K $
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Affirm Backed by a16zBacked by LightspeedBacked by Founders Fund
173 views 6 days ago

Senior Software Engineer, backend (Online Storage)

Open 33d RemoteNorth AmericaSenior 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Remote Canada

Senior backend engineer on Affirm's Online Storage team, building and operating the control plane for large-scale MySQL and TiDB database fleets on Kubernetes — automating provisioning, failover, backups, zero-downtime migrations and tuning connection proxies for Affirm's mission-critical fintech storage platform.

Agentic AI Analytics Automation AWS CAD +18 skills
153K – 213K CAD
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Eclectic Recruitment Ltd
61 views 6 days ago

Network Security Engineer (Stevenage, ENG)

New UK
United Kingdom
Stevenage

On-site Network Security Engineer in Stevenage on a 24/7 shift pattern, joining a specialist security team protecting critical network infrastructure: designing and maintaining firewalls, secure proxies and IDS/IPS, analysing traffic, and triaging incidents with SOC analysts. ~£50k plus shift allowance; British citizenship and security clearance required.

Cisco DNS Firewall Intrusion Detection IPsec +9 skills
50K – 50K £
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californiaclosets
48 views 6 days ago

Customer Care Operations Manager

New RemoteNorth AmericaFull-timeSenior
United States
Phoenix, AZ

The Manager, Customer Care is the accountable operational leader for California Closets’ centralized Customer Care function. This hands-on role leads the internal Central Support team and owns the operational…

Corrective Action CRM Performance Management Salesforce TLS
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0glass
33 views 6 days ago

Senior DevOps Engineer

New APACSenior
Singapore

First dedicated DevOps engineer at blockchain firm 0G Labs, owning its cloud platform end to end: a 200+ VM fleet of blockchain nodes, confidential-computing and GPU workloads, Kubernetes clusters and web apps across Google Cloud, AWS, Alibaba Cloud, Cloudflare and Vercel. Core work spans Kubernetes, Terraform/Pulumi IaC, CI/CD, networking, observability, security and cost management.

AI API Argo CD AWS Bash +60 skills
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