Black Duck Software, Inc. helps organizations build secure, high-quality software, minimizing risks while maximizing speed and productivity. Black Duck, a recognized pioneer in application security, provides SAST, SCA, and DAST solutions that enable teams to quickly find and fix vulnerabilities and defects in proprietary code, open source components, and application behavior. With a combination of industry-leading tools, services, and expertise, only Black Duck helps organizations maximize security and quality in DevSecOps and throughout the software development life cycle.

About The Role

We are looking for a Hands-on Software Engineer 4 to work on our Seeker Inline Agent for .NET — a energetic application security testing (DAST) agent that instruments .NET applications at runtime to detect security vulnerabilities. You will work across C#, C++, and multiple .NET runtime versions to build and maintain profiler-based instrumentation, security checkers, and platform integrations.

Responsibilities

Design, develop, and maintain the .NET agent core, including security checkers (SQLi, XSS,



CSRF, deserialization, etc.) and taint analysis engine
Develop and optimize native C++ profilers using the CLR Profiling API for both .NET Framework and .NET Core/.NET 5+
Support multi-platform builds targeting Windows (x64), Linux (x64, ARM64), and Alpine/musl environments
Extend agent capabilities to new .NET versions (.NET 8, 9, 10+) and hosting models (AWS Lambda, Azure Functions, gRPC, OWIN, WCF)
Collaborate on CI/CD pipelines (GitLab CI) across multiple OS targets and Docker-based build environments
Write and maintain unit tests (NUnit) and integration tests across framework versions
Troubleshoot low-level runtime issues involving IL rewriting, method interception, and memory management
Participate in code reviews, architecture discussions, and contribute to build system improvements (Cake Build, CMake, MSBuild)

Required Skills

9+ years of professional software development exp

📌 Software Engineer 4 (Bengaluru)
🏢 Black Duck
📍 Bengaluru