Senior Software Engineer – Windows Endpoint Security, C#

Job not on LinkedIn

🔥 15 hours ago

🌐 Pakistan, India, +4 more countries – Remote

🇵🇰 Pakistan – Remote 🇮🇳 India – Remote 🇦🇷 Argentina – Remote 🇩🇪 Germany – Remote 🇧🇷 Brazil – Remote 🇷🇴 Romania – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 25%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Just posted.
• Jobs at this company usually fill in 306 days.
• No salary listed.

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Creative Chaos

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2000

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

Creative Chaos is an innovation delivery agency that partners with businesses of all sizes to develop and bring products to market. They focus on creating user-centered experiences and translating consumer insights into innovative products. They offer services such as team augmentation, MVP (Minimum Viable Product) development, and DevOps and cloud solutions to help businesses innovate, develop, and deliver products efficiently. Creative Chaos acts as an extension to their clients' teams, providing support and expertise throughout the product development process.

📋 Description

• Design, build, and maintain the production-grade Windows endpoint agent as a C#/.NET service • Own installation, auto-updates, resilience, and performance on end-user machines • Build the Windows Filtering Platform and filter-driver network interception layer • Intercept, redirect, and inspect traffic at the appropriate layer • Build and harden a local TLS proxy that terminates and inspects device traffic • Handle certificate trust, pinning exceptions, and protocol edge cases • Integrate and optimize on-device ONNX models for real-time inference within CPU, memory, and latency budgets • Ensure compatibility with Zscaler, Netskope, SSE/SASE, and EDR agents • Manage proxy chaining, WFP filter priorities, certificate stores, and undocumented conflicts • Debug customer environments using ETW traces, WinDbg, and packet captures • Harden the agent against crashes, network drops, and OS updates • Report reliability using quantitative metrics

🎯 Requirements

• 5+ years of experience building Windows desktop or system-level software in C#/.NET • Comfortable with Windows services, Win32 APIs, P/Invoke, and the distinction between user mode and kernel mode • Production experience with Windows Filtering Platform or filter drivers • Strong understanding of TCP/IP, DNS, HTTP/2, and TLS 1.2/1.3 • Experience building or maintaining a local proxy • Experience shipping an endpoint product alongside Zscaler, Netskope, or a similar SSE/SASE agent • Experience integrating ONNX Runtime or a similar inference engine into a client application and tuning it for real-user hardware • Experience with DirectML or quantized models is a strong plus • Ability to explain a driver-level trade-off to product managers and deployment issues to client IT teams in plain English • Experience working with US or Western teams • Enterprise deployment experience with MSI/MSIX, Intune or SCCM, and code signing is a plus • Ability to demonstrate an endpoint agent shipped to production, including its architecture and significant debugging experience

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