Nikos Apostolakis
NTN Software Engineer at Software Radio Systems
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolNikos Apostolakis is an NTN software engineer based in Madrid with a decade of experience spanning research and industry in 5G, NFV/SDN and telecom software. He combines deep academic credentials—a PhD track in Telematic Engineering—with hands-on delivery at companies including NVIDIA, Intracom and IMDEA Networks, where he accelerated LDPC decoding, built an AI/RL 5G MAC scheduler for 99.99% reliability, and developed a quantum-compatible decoder that advanced state-of-the-art performance. Comfortable across C/C++/Java and systems-level optimization, he has reduced latency by 50% in AVX-512 pipelines and led interoperability test successes for production network management. Now focused on NTN software, he brings a research-driven pragmatism that repeatedly turns novel algorithms into robust, deployable systems.
10 years of coding experience
7 years of employment as a software developer
Charles III University of Madrid (Universidad Carlos III de Madrid)Master of Engineering - MEng (Diploma 5yrs) Computer Systems Networking and Telecommunications, Master of Engineering - MEng (Diploma 5yrs) Computer Systems Networking and Telecommunications at National Technical University of Athens
English, German, Spanish, Greek
Stackoverflow
17reputation
1kreached
1answer
3questions
Github Skills (40)
5g10
lte10
4g10
wireless10
epc10
open5gs9
c-language9
dac9
srs9
software-defined-radio9
gnuradio9
rtl-sdr9
network9
cpp8
minikube7
Programming languages (5)
Github contributions (5)
kaposnick/k8s-open5gs
Feb 2021 - Jun 2022
Contributions:40 commits, 28 pushes in 1 year 4 months
kaposnick/Icarus
Mar 2017 - Oct 2018
Contributions:65 pushes, 10 branches in 1 year 8 months
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