Skip to content
Search jobs inside your AI agent. Claude, ChatGPT, Claude Code, Codex, Gemini, Cursor and Grok
Connect

Tech jobs

Job listings

16.6K jobs
Cloudflare Backed by Union Square Ventures
37 views 7 days ago

Senior Systems Engineer, Basin Platform

Open 127d On-siteNorth 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. In-Office

Senior engineer building Cloudflare’s distributed storage and SQL engine for petabyte-scale data, leveraging Rust, TypeScript, and Go on a global edge network.

AI API Cloud Cloudflare C++ +8 skills
185K – 254K $
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
17 views 7 days ago

Senior Software Engineer, Workers Runtime

Open 117d On-siteNorth 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. In-Office

Senior engineer on Cloudflare’s Workers Runtime team, building and optimizing the edge runtime that executes customer JavaScript and WebAssembly code at massive scale.

AI API Cloud Cloudflare C++ +8 skills
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
22 views 7 days ago

Senior Systems Engineer, Cloudflare Tunnel

Open 105d 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.

Senior Systems Engineer designing and scaling Cloudflare Tunnel’s secure, global edge network and microservices, using Go, Rust, and Kubernetes to connect machines to Cloudflare’s high-performance infrastructure.

AI API Cloudflare Containerization C++ +16 skills
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
46 views 7 days ago

Principal Software Engineer - Fintech

Open 90d HybridNorth AmericaPrincipal 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 Software Engineer on Cloudflare's Billing/Fintech team designing, building, and operating transactional microservices for usage metering, subscriptions, invoicing, and payments, primarily using Go, SQL/PostgreSQL, and distributed systems patterns.

AI API Cloudflare Data Modeling Distributed Systems +21 skills
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
28 views 7 days ago

Systems Engineer, Network Automation

Open 75d Europe 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
Lisbon

Cloudflare is hiring a Systems Engineer, Network Automation in Lisbon to build software tools and services that improve resilience and reduce operational toil across its global network of hundreds of data centers. Day-to-day work centers on Python and Go development, Linux, SQL databases, CI/CD, containers, observability tooling, and AI-assisted workflows.

AI Automation CI/CD Cisco ClickHouse +16 skills
54K – 68K €
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
45 views 7 days ago

Systems Engineer, SSL/TLS Team

Open 69d 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
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
56 views 7 days ago

Senior Software Engineer - Addressing Team

Open 64d 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
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
51 views 7 days ago

Software Engineer, Security Rules

Open 62d HybridEurope, 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.

Build and maintain security microservices for Cloudflare’s Application Security products, using Rust, Go, Docker, Kubernetes and databases such as PostgreSQL and Clickhouse, while collaborating with security, networking, SRE, and product teams.

AI ClickHouse Cloudflare Containerization C++ +18 skills
54K – 91K €
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
58 views 7 days ago

Senior Software Engineer, Security Rules

Open 58d HybridEurope, UKSenior 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 engineer on Cloudflare's Security Rules team, building and operating application security products like Rate Limiting and WAF as Rust-based microservices (with Go, PostgreSQL, Kafka, ClickHouse, Docker/Kubernetes) at internet scale. Hybrid role based in London or Lisbon, leading complex projects and mentoring engineers.

AI ClickHouse Cloudflare Containerization C++ +18 skills
66K – 91K €
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
17 views 7 days ago

System Engineer - Network Systems

Open 48d Hybrid 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 System Engineer to join its network automation team, building software tools and services that improve the resilience of one of the world's largest global networks and reduce operational toil. Day-to-day work spans Python/Go development, Linux, SQL databases, CI/CD, containers, and observability tooling, with heavy use of AI assistants.

AI Automation CI/CD Cisco ClickHouse +16 skills
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
38 views 7 days ago

Senior Software Engineer - Load Balancing

Open 43d HybridNorth AmericaSenior 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

Senior engineer on Cloudflare's Load Balancing team, designing, building, and operating the distributed microservices behind its load balancing product at massive global scale, mainly in Go with Docker, PostgreSQL, Redis, gRPC, Kafka, and ClickHouse. Hybrid role based in Austin, Texas.

AI ClickHouse Cloudflare Containerization C++ +17 skills
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
158 views 7 days ago

Senior Systems Engineer - Application Security

Open 43d HybridEurope, UKSenior 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.
+3

Senior Systems Engineer on Cloudflare's Application Security team, building and operating security products like WAF, Page Shield and API Shield at internet scale (up to 100M requests/second). Hybrid role (two days in office) across multiple European cities, coding mainly in Go or Rust and working with distributed systems and devops tooling.

AI API Cloudflare Cybersecurity DevOps +9 skills
66K – 91K $
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
42 views 7 days ago

Senior Software Engineer, Cloudflare for SaaS

Open 30d 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
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
230 views 7 days ago

Senior Software Engineer - Security Platform

Open 28d RemoteNorth 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.
Distributed

Senior engineer on Cloudflare's Security Platform team builds and operates internal secrets management, PKI, and machine/workload identity systems running across the company's global network, including on-call incident response. Requires distributed systems development, Linux administration, and hands-on security implementation skills (Go/Python, Vault, cryptography).

AI Cloudflare C++ Cryptography Distributed Systems +8 skills
150K – 266K $
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
13 views 7 days ago

Senior Systems Engineer - Developer Tooling

Open 23d 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.

Builds and operates the internal developer platform at Cloudflare — the tools, CI/CD, and container infrastructure that let product engineers deploy and run services safely at scale. Blends systems software engineering with on-call/operational work across a Go/Rust/Python, Linux, and Kubernetes stack.

AI Ansible CI/CD Cloudflare C++ +13 skills
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
50 views 7 days ago

Systems Engineer, Browser Isolation

Open 22d 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 Browser Isolation team: develops and maintains Chromium-based browser code (C++), distributed services in Go/Rust/TypeScript, and remote rendering/streaming tech (WebRTC, Skia) that runs browser sessions across Cloudflare's global network. Hybrid role based in Austin, TX, with production on-call participation.

AI CAD Cloudflare C++ Distributed Systems +10 skills
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
99 views 7 days ago

Senior Systems Engineer, Browser Isolation

Open 21d HybridEurope, North America, UKSenior 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 IC on Cloudflare's Browser Isolation team, leading multi-component initiatives that build a Chromium-based remote browsing engine plus the distributed services streaming and managing browser sessions across Cloudflare's global network. Core stack: C++/Chromium, Rust, Go, TypeScript, WebRTC/Skia, Workers/Nomad/Consul; hybrid in Austin, Lisbon, or London.

AI CAD Cloudflare Corrective Action C++ +12 skills
66K – 91K €
 Sign in to see your match
Cloudflare Backed by Union Square Ventures
56 views 7 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
 Sign in to see your match
4pconsultinginc
24 views 7 days ago

IT Operations Support 3 4P/908

New North AmericaContract
United States
ATLANTA, GA

24x7 ops-center analyst for Southern Company's Infrastructure Operations Center in Atlanta: monitors and provides first-line troubleshooting across Windows, Unix/Linux, Oracle/SQL Server databases, web apps, storage, and batch jobs (CA AutoSys, BMC Control-M), documents incidents, and escalates complex issues. 2-year contract via 4P Consulting.

Control-M Distributed Computing Iis Linux Oracle +4 skills
 Sign in to see your match
Xiaomi Technology
26 views 7 days ago

Big Data SRE: Reliable Infra, Automation & 24x7 On-Call

New APAC
Singapore

Big Data SRE at Xiaomi in Singapore: build and maintain reliable large-scale data infrastructure, develop automation tooling for system management, troubleshoot performance issues, and join a 24x7 on-call rotation. Core stack involves backend programming and Unix/Linux.

Big Data Linux Unix
Sign in to see your match