Pb QTI Srl /b 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.
/pp In ****, QTI opened a new production site.
In ****, QTI officially joined the b TIM Group /b following the partial acquisition of its shares by b Telsy S.p.A. /b, an Italian cybersecurity company also part of the TIM Group.
/pp 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.
/p p For our Florence office, we are looking for a b Software Engineer /b to join our team.
/p pb Main Activities: /b /pulli Develop, maintain, and optimize software components on Linux /lili Integrate and manage network communications (TCP/IP, TLS/mTLS, certificate handling, internal/external APIs) /lili Containerization and packaging (e.g., Docker, systemd, service lifecycle management, logging and observability) /lili Debugging and troubleshooting on real systems: log analysis, profiling, fault handling, and issue reproducibility /lili System and application hardening: security best practices, secret management, updates, and attack-surface reduction /lili Automated testing (unit/integration), continuous code quality improvement, code reviews, and operational technical documentation /li /ul pb Requirements: /b /pulli Minimum 2 years of experience as a software engineer on Linux-based systems /lili Strong knowledge of Python and C/C++ /lili Solid understanding of: /lili Linux environments /lili Networking: sockets, TCP/IP fundamentals, DNS /lili Application security: TLS/mTLS, certificate management, hardening principles /lili Tooling: Git, code review practices, issue tracking /lili Team mindset, accuracy, ownership, and ability to meet deadlines /lili Working technical English (written and spoken) /li /ul pb Nice to have: /b /pulli Programming languages: Go, Rust /lili PQC (Post-Quantum Cryptography): familiarity with standards/primitives, libraries, integration, and threat modeling /lili K3s / Kubernetes: deployment, service discovery, ingress, update strategy, cluster troubleshooting /lili Experience with: /lili Secure boot / chain of trust, TPM/HSM /lili CI/CD (Jenkins) /lili Knowledge of applied cryptography and protocols (mTLS, attestation, certificate management, PKI) /lili Familiarity with mission-critical environments: fault tolerance, watchdogs, recovery strategies, safe/atomic updates /li /ul