Senior Systems Engineer Jobs - May 2026
Search by company, role, stack, location, salary signal, source, and work setup.
Save this search
Turn the current filters into an email alert.
Log in to save filtered searches as alerts.
-
Loophole Labs
Senior Systems Engineer
Posted 1 month, 3 weeks ago
Build Architect, a Kubernetes runtime that hibernates idle pods in place and wakes them in 50ms with TCP connections intact. Work across hibernation surface (containerd shims and CRUISE, a Zig-native CRIU replacement), control plane (per-node DaemonSet stream…
Roles
Tech stack
Location
Remote (Americas & Europe)
Compensation
$150k–195k USD + equity
-
Cloudflare
Workers AI
Posted 2 months, 3 weeks ago
Cloudflare is building across the entire AI stack, including releases like Cog v0.17, Dynamic Worker Sandboxes, Kimi K2.5, Code Mode MCP Servers, and an Agents SDK. They are hiring systems and ML engineers to help build their edge inference platform. Roles in…
Roles
Tech stack
Location
Austin, TX, London, UK, San Francisco, CA
-
CodSpeed
Multiple Positions
Posted 3 months, 2 weeks ago
Building a continuous performance optimization platform to catch performance regressions with sub-1% measurement variance. Trusted by teams at Cloudflare, Vercel, Mozilla, Pydantic, and Astral. Small, deeply technical team offering ownership; competitive sala…
Roles
Tech stack
Location
Paris, Remote (Europe)
Compensation
Competitive salary, stock options, generous PTO
-
Bun
Systems Engineer - Developer Productivity
Posted 1 year ago
Bun is an incredibly fast all-in-one toolkit for building, installing, running, and testing JavaScript and TypeScript. We were born out of frustration with the fragmented, slow JavaScript ecosystem and are on a mission to make JavaScript development faster an…
Roles
Tech stack
Location
San Francisco, CA
Compensation
Visa sponsorship available
-
Hudson River Trading
Windows Engineer
Posted 1 year, 2 months ago
We’re a quantitative trading firm based in NYC that trades hundreds of millions of shares each day on over 200 markets worldwide. We use math and technology in everything we do; our talented developers, engineers, and programmers build complex models and syst…
Roles
Location
NYC, Boulder, London, Dublin, ATX, Chicago, Singapore
-
Hudson River Trading
Middle Office Analyst - Crypto
Posted 1 year, 4 months ago
We’re a quantitative trading firm based in NYC that trades hundreds of millions of shares each day on over 200 markets worldwide. We use math and technology in everything we do; our talented developers, engineers, and programmers build complex models and syst…
Roles
Location
US, London, SNG