C++ Developer for Infrastructure and Network Development Team (hybrid)

About the Position

C++ Developer for Infrastructure and Network Development Team (hybrid)

Calea Floreasca 246c, 014476 Bucharest

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At IONOS, we shape the digital future for more than 6.2 million customers worldwide with our solutions. As Europe's leading hosting provider and a pioneer in independent cloud solutions, we are building next-generation infrastructure – from sovereign cloud architectures and high-performance GPU clusters to integrated AI automation tools.

Join our Infrastructure and Network Software Development team in Bucharest, Romania, and grow with us.

Responsibilities

• Work closely with Product Owners and Architects to define the best technical solutions that match our product vision.
• Collaborate with other engineers to develop new products and work on extensions of existing products.
• Participate in all phases of development, maintenance, and housekeeping of the Enhanced Backup solution.
• Utilize very good written and verbal English skills in all interactions.

Requirements

• C++: Excellent, Versions of C++ from STD17.
• Network Programming in C++: TCP, UDP.
• Multithreading in C++: Used by the app.
• C++ STL: Used by the app.
• CMAKE 3.3: Very Good, For project management and building.
• Linux: (Debian OS): Very Good, The base OS used for the machines in EHB.
• Linux OS File System: Understanding of Linux file system hierarchy and permissions.
• Linux processes: Process Management: Knowledge of Linux process management, including signals, forking, and IPC.
• Rest API: Good, For API building.
• Google Test Framework: Good, For UnitTesting.
• Python 3.12: Medium, For integration testing and other utilities.
• Docker & docker-compose: Low, For local development environment.
• OpenSSL 3.0: Low, For secure communication.

Nice to Have

• General backup theory: The app is a backup app.
• Block based backup theory: Needed for backup/restore operations.
• C++ Concepts: Used by the app.
• Lib Boost: Used by the app.
• Protobuf: Used for serializing structured data.
• Bash scripting: Needed for deployments, automating stuff.

We Offer

• Access to local/international trainings, development, and growth opportunities, including access to e-learning platforms, covering both technical and soft skills areas.
• Modern technologies, product responsibility.
• Flexible work schedule.
• Hybrid work model.
• Medical services package from one of two private providers.
• 25 vacation days per year.
• Substitute days off for public holidays that occur on the weekend.
• Meal tickets.
• Internal referral program.
• Team events, networking events organized to promote a passionate, creative, and diverse culture.
• Summerfest and Winterfest parties.
• Coffee, soft drinks, and fresh fruits on us in the office.

About the Company

As part of United Internet Group, with more than 10,500 employees and 27 million fee-based customer contracts, we are Europe’s leading internet specialist and largest hoster. Building the roof for strong brands such as 1&1, IONOS, STRATO, GMX, WEB DE, MAIL COM, 1&1 Versatel, and the Drillisch Online brands, United Internet offers a broad portfolio of Internet access products and cloud applications.

Present in Romania since 2003, we are an Engineering Centre that lives and breathes technology. Our engineering culture is shaped by the use of cloud native technologies, microservices combined with a DevOps attitude and an innovative mindset. We have a customer centric culture where every colleague is a contributor to our products’ design and success working closely with teams in Bucharest and abroad. Our strength lies in our team spirit and a positive and respectful interaction. In Romania, we have passionate teams sustaining the business segments of Access/Telecommunication, Mail & Media, and Hosting, working and enjoying the 1&1 culture together.

Diversity enriches: Different cultures, nationalities, genders, age groups, sexual orientations, and religions as well as people with disabilities - we encourage diversity. Because only teams that reflect all facets of society offer the best framework conditions for creativity and make a company productive and distinctive. We value diversity and welcome all applications.

Location: Romania, Bucharest

Application Note

We value diversity and welcome all applications – regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age, as well as sexual orientation and identity, physical characteristics, marital status, or any other irrelevant factor subject to applicable law.