Senior C++ Developer

Planys Technologies; Chennai District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Planys Technologies in Chennai is seeking a software engineer with 4–6 years of hands‑on experience in C/C++ on Linux, focusing on multi‑threaded development and system‑level programming.

You will work with cross‑functional teams to deliver robust, scalable software for defence‑related platforms, with exposure to video codecs, AI/ML, and OpenCV. Strong OS fundamentals and data structures knowledge are essential.

Qualifications

• 4–6 years of hands‑on experience in software development.
• Strong programming skills in C/C++.
• Experience developing applications on Linux platforms and multi‑threaded programming.
• Solid understanding of Operating System fundamentals.
• Strong knowledge of Data Structures and Algorithms.
• Excellent verbal and written communication skills.

Responsibilities

• Design, develop, and deliver robust software applications using C/C++.
• Build and maintain applications on Linux‑based operating systems.
• Develop efficient, scalable, and reliable software using strong data structures and algorithms.
• Write, debug, and optimize system‑level and multi‑threaded applications.
• Work with cross‑functional teams to integrate software into mission‑critical platforms.
• Create automation scripts using Bash, Python, or Perl to improve development workflows.
• Participate in software testing, debugging, performance optimization, and code reviews.

Skills

C/C++

Linux

Multithreading

Data Structures & Algorithms

OS Fundamentals

Communication skills

Education

B.E./B.Tech, B.Sc., or BCA in Computer Science, Electronics & Information Technology

Tools

FFmpeg

GStreamer

OpenCV

Python

Bash

Job description

Planys is a deep-tech company developing mission-critical robotic and digital systems for defence and strategic infrastructure. The company designs and builds unmanned systems and advanced sensing solutions across underwater, maritime, and land domains, with a strong focus on naval, coast guard, and army applications. Planys is actively engaged in the development of Unmanned Underwater Vehicles (UUVs) ranging from small to extra-large platforms, along with ruggedised electronic and digital systems for armoured vehicles.

Leveraging its strong foundation in marine robotics, underwater inspection, and non‑destructive evaluation (NDT), Planys integrates defence‑grade electronics, sensing, and data analytics to deliver high‑reliability systems suitable for harsh operational environments. The company combines platform engineering, payload integration, and AI‑enabled digital analytics to support situational awareness, asset integrity assessment, and data‑driven decision‑making for defence forces and strategic asset operators.

Planys, globally recognised for strategic infrastructure solutions, is now focused on creating a strong and enduring presence in the defence sector, delivering indigenous unmanned and digital systems for the Army, Navy, and Coast Guard. (Website: www.planystech.com)

Key Responsibilities

• Design, develop, and deliver robust software applications using C/C++.
• Build and maintain applications on Linux‑based operating systems (Ubuntu, CentOS, Arch, Pop!_OS, Kali, etc.).
• Develop efficient, scalable, and reliable software using strong data structures and algorithms.
• Write, debug, and optimize system‑level and multi‑threaded applications.
• Work with cross‑functional teams to integrate software into mission‑critical platforms.
• Create automation scripts using Bash, Python, or Perl to improve development workflows.
• Participate in software testing, debugging, performance optimization, and code reviews.

Required Skills

• 4–6 years of hands‑on experience in software development.
• Strong programming skills in C/C++.
• Experience developing applications on Linux platforms and multi‑threaded programming.
• Solid understanding of Operating System fundamentals.
• Strong knowledge of Data Structures and Algorithms.
• Excellent verbal and written communication skills.

Good to Have

• Experience with video codecs such as H.264, H.265, MPEG, and multimedia frameworks like FFmpeg or GStreamer.
• Exposure to Artificial Intelligence/Machine Learning frameworks.
• Experience with image processing and enhancement libraries such as OpenCV, Scikit-Image, or PIL.

Qualifications

• B.E./B.Tech, B.Sc., or BCA in Computer Science, Electronics & Information Technology