




Job Summary: Student internship position in telecommunications software development, participating in impactful projects with professional growth opportunities. Key Highlights: 1. Participation in real-impact projects 2. Mentoring and guidance by the team 3. Opportunity for growth in a dynamic learning environment #### **Are you interested in joining Zaleos?** At **Zaleos**, we develop software for **real-time communication (RTC) systems.** We design, build, test, and maintain software for enterprises relying on protocols such as **SIP, RTP, or WebRTC.** Our mission is clear: **helping enterprises ensure secure, stable, and always-available communications.** We work in critical environments where reliability is non-negotiable:* **Voice AI:** enhancing the telephony layer of conversational agents and intelligent voice platforms. * **Enterprise Communications:** developing software for **VoIP, CPaaS, and cloud-based PBX platforms.** * **Emergency Systems:** extensive experience designing and developing **Core Services for emergency call networks in the U.S.** Since **2015**, we have helped companies across various sectors keep their RTC communications continuously operational, with a **culture centered on engineering, quality, and technical responsibility.**###### **Culture and Values** At Zaleos, we share a culture rooted in trust, autonomy, and technical excellence. Every team member acts with responsibility and professional judgment, delivering solutions while safeguarding product quality. Our values:* **Total Integrity** Transparency, accountability, and trust—even when things go wrong. * **Ownership** Each person acts autonomously and takes ownership of their work. * **Excellence** We deliver clean, stable, and maintainable systems—ones we can be proud of. #### **Culture and Values** At Zaleos, we share a culture rooted in trust, autonomy, and technical excellence. Every team member acts with responsibility and professional judgment, delivering solutions while safeguarding product quality. Our values:* **Total Integrity** Transparency, accountability, and trust—even when things go wrong. * **Ownership** Each person acts autonomously and takes ownership of their work. * **Excellence** We deliver clean, stable, and maintainable systems—ones we can be proud of. #### **How We Work** At Zaleos, we take engineering seriously. Our culture combines **Agile, Lean, and DevOps principles**, with an obsession for technical resilience, architectural clarity, and continuous improvement. Our technical principles — **The Tao of Zaleos** — form the foundation of everything we do:* **Resiliency – Always up, always ready.** We design for fault tolerance and continuous availability. * **Strategic Modularity – Low Coupling, High Cohesion.** We create clear, cohesive modules with minimal dependencies. * **Immutability – Certainty through consistency.** We automate and control everything we deploy—no improvisation. * **Everything as Code – What is not version\-tracked is lost.** All critical artifacts are under version control. * **Pragmatism – Effective solutions ov****er perfect ideals.** We prioritize useful solutions over perfect ones. #### **What We’re Looking For** **A student** eager to intern with us, aligned with our corporate values, and above all, motivated to grow and develop their professional career at Zaleos. #### **What You’ll Do** * Develop software competencies for telecommunications: SIP / IMS protocols. * Develop high-quality software. Build system and DevOps competencies (Linux, Docker, CI). * Use open-source tools and libraries in a GNU/Linux environment. * Participate in team dynamics: meetings, presentations, pair programming, agile methodologies. * Engage in and learn from a high-level technical environment focused on software quality and process efficiency. Most importantly, you’ll have the opportunity to learn in a real-world setting—contributing to impactful projects alongside experienced professionals. #### **Minimum Requirements** * **Students pursuing Bachelor’s degrees in Computer Engineering, Telecommunications Engineering, or related fields.** * Ability to sign a training agreement with your educational institution. * **English B2** * Unix/Linux or GoLang knowledge is a plus. * **Above all, eagerness to learn and contribute.** #### **What We Offer** * **Work Mode:** Hybrid. (On-site every Tuesday, Wednesday, and Thursday at our offices in Pozuelo de Alarcón (Madrid), remote work on Monday and Friday) * **Duration:** 3 months. (with continuity evaluation) * **Study support allowance**, proportional to commitment—because we value your time and dedication. * **Strong growth potential** in a real, dynamic learning environment with opportunities to participate in meaningful projects. * **Mentoring****and guidance by the team.** #### **Why Zaleos?** Because here, **engineering has purpose.** Every project makes an **impact on our customers’ real-time communications**, keeping the world’s critical communications running.**If you’re passionate about technology, motivated by technical challenges, and value quality over quantity, this is the place for you.**


