Nithin Johnson
Senior Software Development Engineer at Altair
Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolNithin Johnson is a Senior Software Development Engineer based in Toronto with 10 years of experience building high-performance computing (HPC) systems and cloud-integrated workload managers. At Altair he has driven policy-driven scheduling, scalability improvements, and cloud-bursting capabilities for PBSPro, while leading performance and resource-allocation initiatives across diverse HPC environments. His hands-on contributions to OpenPBS include systemd integration, RPM packaging, CI modernization, and targeted test and documentation fixes—demonstrating both operational rigor and attention to developer experience. Earlier work at Huawei sharpened his telecom-grade C++ skills, informing his ability to design robust, low-latency distributed services. He combines deep systems engineering with pragmatic DevOps practices to accelerate job throughput and simplify administration in large-scale compute clusters.
10 years of coding experience
5 years of employment as a software developer
B.TECH Computer Science and Engineering, B.TECH Computer Science and Engineering at Mahatma Gandhi University, KeralaMaster of Engineering (M.Eng.) Computer Software Engineering, Master of Engineering (M.Eng.) Computer Software Engineering at Anna University Chennai
English, Malayalam, Hindi, Tamil
Stackoverflow
93reputation
17kreached
0answers
9questions
Github Skills (17)
python10
job-scheduler10
hpc10
pbs10
systemd10
job-scheduling10
c119
c179
bash8
msdn6
fileio6
database6
docker6
linux6
container6
Programming languages (2)
Github contributions (5)
openpbs/openpbs
Jun 2016 - Sep 2021
An HPC workload manager and job scheduler for desktops, clusters, and clouds.
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:322 reviews, 65 commits, 88 PRs in 5 years 4 months
Contributions summary:Nithin contributed to the OpenPBS project by fixing a failure related to `pbs_rsub` on opensuse-13.2. They added dependencies, implemented a smoke test, and modified the test script to add a standing reservation. Also, the user merged doxygen changes for the source code. These changes demonstrate contributions in testing and code documentation. Moreover, the user is seen to replace an init script with a systemd unit file for systems that support systemd process management and provided changes related to the qstat command, improving the user experience.
hpcjob-schedulerpbspbs-professionalcloud
nithinj/openpbs
Jun 2016 - Sep 2023
Contributions:1117 pushes, 244 branches, 2 comments in 7 years 3 months
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