Aug 2024 – Jan 2025 · 5 mos

Oct 2021 – Jul 2024 · 2 yrs 9 mos · Bengaluru, Karnataka, India · Remote

• Contributed to agent software development in C++17 for Windows, Linux, AIX, Solaris, and Mac.
• Tasks like packet capturing, analyzing, and reporting to a server via REST API.
• Firewall rule programming to allow and block traffic flow.
• Log/diagnostic report collection and reporting.
• In the next-generation agent development, the major contribution was towards C++ code design & code review.
• Improved packet capture and analysis performance by adopting protocol-specific (TCP/UDP/ICMP) PCAP filters, lock-free circular buffer, spin lock, use of LRU cache, compiler flags and various other optimization techniques by taking micro benchmarking of every change.
• Extensive use of Curl, zlib, Openssl, nlohmann JSON, Google Protobuf, WinPcap/Pcap libraries.
• Implemented various feature by leveraging Windows API/internals/Win32, Uinux internals/POSIX API, IPC(inter process communication) like pipe, shared memory, signals etc., use of various system calls to interact with OS, getting stack trace of running threads, invoking system commands in new process, installation with OS service manager.
• Working experience of creating installers packages for Windows platform using WIX and advanced installer tools. And same Unix platforms by using Shell scripting.
• Converted POC to project for support of agents on the Win32 server, RHEL and Solaris.
• Experience designing and executing builds using MSBuild, Make and CMake build systems for all 5 platforms.
• Taken initiative of refactoring of build scripts and improved build time by 4.5x, using parallelization and generating
• dependencies files.
• Building opensource libraries for platform like AIX 7.x and Solaris 10/11.x.
• Analysis of core/crash dump for memory leak and high CPU usage using tools like valgrind, Windbg, Dr. leak. etc.
• Experience designing and executing unit tests using Google test framework.

Oct 2019 – Oct 2021 · 2 yrs · Pune Area, India · On-site

• Contributed to Order Management System (OMS) module from FIS Trading Suite in C++14 language.
• The module was responsible for communicating with the exchange over the socket.
• Decoding and encoding trade/order/exchange messages to and from exchange communication protocol.
• Successfully implemented unit testing practices with a focus on test-driven development (TDD) using Google test frameworks.
• for KRX/KRUSG exchanges and achieved more than 70% of test coverage.
• Written exchange simulator of KRX/KRUSG/SEHK for unit test.
• Worked with over 5 APAC exchanges KRX/KRUSG/SEHK/SCHK/ASX/JPX and on their native/standard protocols.
• Experience designing and development in Boost build system, Boost C++ lib, Python script, IPC, Socket programming, Gtest framework, core/crash dump analysis.

Jul 2018 – Oct 2019 · 1 yr 3 mos · Pune, Maharashtra, India

• Contributed in development of Plant Data Management module in C++11, it was module from Teamcenter (PLM suite).
• Writing unit tests in Junit framework.

Sep 2015 – Jun 2018 · 2 yrs 9 mos · Pune, Maharashtra, India · On-site

• Developed Katera Visualizer an iOS app from scratch using the Xamarin framework for visualizing IFC files with the help of the xBIM toolkit, Java Script and webGL. Done shader programming for Billboard implementation.
• From scratch development of Inspection Xpert 2.0, in C++11 and QT 4.3 framework lib for UI design, along with used pdf and 3D file rendering libraries. Feature like making annotations on PDF/3D model, export of annotated data, report generation in Excel format using Excel API.
• Contributed to Inspection Xpert 1.0 maintenance, which was developed in C# with DevExpress and Excel API.