Software Engineer with C++ Developer for Infrastructure and Network Development Team (full remote / hybrid)

ionos2; United States; Hybrid; USD 55,000 - 89,000; Full time

Benefits offered by this job

Hybrid work model

25 vacation days annually

Private medical services package

Meal tickets

Training programs and growth

Team events and coffee

Job summary

ionos2 is seeking a C++ engineer to build and maintain a large-scale backup platform. The role focuses on Linux-based systems, internal tooling, and network/infra components on a substantial codebase. The position offers hybrid or fully remote work within Romania.

You will work with product owners, architects, and cross-functional teams to deliver features across the full development lifecycle and ensure robust performance on multi-petabyte workloads across millions of hosts.

Qualifications

• Excellent proficiency in modern C++ (C++17 and newer).
• Strong network programming skills in C++, including TCP and UDP.
• Solid experience with multithreading, the C++ STL, and CMake 3.3+ for build management.
• Very good knowledge of Linux on Debian, including file system hierarchy, permissions, process management, signals, forking, and IPC.
• Experience building REST APIs, writing unit tests with Google Test, and using Python for integration testing.
• Comfort with Docker and docker-compose for local development environments.

Responsibilities

• Collaborate with product owners and architects to shape technical solutions aligned with the product roadmap.
• Develop new products and extend existing components within the backup platform.
• Participate across the full lifecycle of development, maintenance, and operational upkeep.
• Build features that interact closely with the Linux operating system and its file system.
• Contribute to internal tooling and management interfaces that support the broader platform ecosystem.

Skills

Modern C++ (C++17+)

Network programming in C++ (TCP/UDP)

Multithreading

C++ STL

CMake

Linux (Debian) familiarity

REST APIs

Google Test

Python for integration testing

Docker

docker-compose

OpenSSL 3.0

Boost libraries

Protobuf

Tools

Docker

docker-compose

CMake

OpenSSL 3.0

Boost

Protobuf

Job description

Role overview

This is a C++ engineering role focused on building and maintaining a large-scale backup platform that handles multi-petabyte daily workloads across millions of hosts. The position sits on an infrastructure and network software development team responsible for internal tooling, datacenter and network orchestrators, and a Linux-based backup system built on a substantial codebase. The work is offered on a hybrid or fully remote basis within Romania.

Responsibilities

• Collaborate with product owners and architects to shape technical solutions aligned with the product roadmap
• Develop new products and extend existing components within the backup platform
• Participate across the full lifecycle of development, maintenance, and operational upkeep
• Build features that interact closely with the Linux operating system and its file system
• Contribute to internal tooling and management interfaces that support the broader platform ecosystem

Requirements

• Excellent proficiency in modern C++ (C++17 and newer)
• Strong network programming skills in C++, including TCP and UDP
• Solid experience with multithreading, the C++ STL, and CMake 3.3+ for build management
• Very good knowledge of Linux on Debian, including file system hierarchy, permissions, process management, signals, forking, and IPC
• Experience building REST APIs, writing unit tests with Google Test, and using Python for integration testing
• Comfort with Docker and docker-compose for local development environments

Nice to have

• Familiarity with general and block-based backup theory
• Experience with Boost libraries, Protobuf serialization, and OpenSSL 3.0
• Bash scripting for deployment and automation tasks

Benefits and work setup

• Flexible scheduling with a hybrid work model
• 25 vacation days annually plus substitute days for weekend public holidays
• Private medical services package, meal tickets, and an internal referral program
• Access to local and international training programs, e-learning platforms, and growth opportunities
• Team events, seasonal parties, plus in-office coffee, soft drinks, and fresh fruit