QTI Srl
is a Florence-based company operating in telecommunications and quantum technologies.
Founded in **** as a spin-off of CNR-INO, since **** QTI has been active in research and development of Quantum Key Distribution (QKD), the company's core product, entering both the Italian and international markets in the same year.
In ****, QTI opened a new production site.
In ****, QTI officially joined the
TIM Group
following the partial acquisition of its shares by
Telsy S.p.A.
, an Italian cybersecurity company also part of the TIM Group.
The company expects strong growth in the coming years in both research and sales; the team currently counts 35 people and is set to expand further.
For our Florence office, we are looking for a
Software Engineer
to join our team.
Main Activities
Develop, maintain, and optimize software components on Linux
Integrate and manage network communications (TCP/IP, TLS/mTLS, certificate handling, internal/external APIs)
Containerization and packaging (e.g., Docker, systemd, service lifecycle management, logging and observability)
Debugging and troubleshooting on real systems: log analysis, profiling, fault handling, and issue reproducibility
System and application hardening: security best practices, secret management, updates, and attack-surface reduction
Automated testing (unit/integration), continuous code quality improvement, code reviews, and operational technical documentation
Requirements
Minimum 2 years of experience as a software engineer on Linux-based systems
Strong knowledge of Python and C/C++
Solid understanding of:
Tooling: Git, code review practices, issue tracking
Team mindset, accuracy, ownership, and ability to meet deadlines
Working technical English (written and spoken)
Nice to have
Programming languages: Go, Rust
PQC (Post-Quantum Cryptography): familiarity with standards/primitives, libraries, integration, and threat modeling
Experience with:
Secure boot / chain of trust, TPM/HSM
CI/CD (Jenkins)
Knowledge of applied cryptography and protocols (mTLS, attestation, certificate management, PKI)
Familiarity with mission-critical environments: fault tolerance, watchdogs, recovery strategies, safe/atomic updates
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