Saša Tomić
Team Lead Staff Software Engineer at DFINITY
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolSaša Tomić is a pragmatic researcher-engineer with 8+ years delivering mission- and performance-critical Linux systems, currently leading decentralized Reliability Engineering for the Internet Computer Mainnet at DFINITY in Zurich. He blends deep systems programming in C, Rust and Python with DevOps and DevSecOps practices—building CI/CD, observability, release SRE and on-call incident processes for distributed blockchain infrastructure. His background spans research labs and industry (IBM Research, Barcelona Supercomputing Center) where he shipped performance features for low-latency storage, contributed to database and OS-level projects, and authored 10–15 papers and 50+ patents. An active contributor to the Internet Computer codebase, he has improved testnet automation and logging infrastructure to increase reliability and test coverage. Colleagues rely on him for fault-tolerant, high-availability designs and practical automation, and he pairs academic rigor (PhD in Computer Architecture) with hands-on operational leadership.
8 years of coding experience
12 years of employment as a software developer
Dipl.-Ing. Computer and Information Sciences General, Dipl.-Ing. Computer and Information Sciences General at University of Belgrade, School of Electrical EngineeringUPC Universitat Politècnica de Catalunya
English, Spanish, Serbian, German
Github Skills (17)
administrator10
internet-computer10
admin10
system10
administration10
sys10
system-administration10
systemd10
scripting9
devops9
test-automation9
shell9
script9
sh9
cicd8
Programming languages (9)
Github contributions (5)
dfinity/ic
Dec 2021 - Jan 2023
Internet Computer blockchain source: the client/replica software run by nodes
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:127 reviews, 120 commits, 79 PRs in 1 year 1 month
Contributions summary:Saša's contributions focus on improving the infrastructure and operations of the Internet Computer blockchain. The user implemented systemd-journal-gatewayd for improved log access, addressing potential issues with log aggregation. They also addressed problems in the testnet deployment scripts, enhancing robustness and fixing invocations of ledger_query_update.sh, improving the overall reliability of testing processes. They also worked on various testnet-related issues, fixing them to increase test coverage and stability.
replicablockchainnodesdfinityinternet
dfinity/dre
Dec 2023 - Apr 2025
Decentralized Reliability Engineering
Contributions:1 release, 599 reviews, 746 PRs in 1 year 3 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.