Junior Backend Systems Engineer: Networking & Performance

Performix

Maricopa (AZ)

On-site

USD 90,000 - 120,000

Full time

6 days ago
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Job summary

Performix in Maricopa, Arizona, is seeking a Junior Systems Software Engineer to join our core engineering team. You will design, implement, and optimize low-level application architecture, networking protocols, and performance-critical systems, with a focus on C++ and Python.

The role requires a BS in CS/CE and strong fundamentals, plus hands-on Linux/Bash, Git, GDB, and Wireshark experience. You will work with cross-functional teams to build scalable software for our US operations.

Qualifications

  • Bachelor of Science in Computer Science, Computer Engineering, or related technical discipline.
  • Proficiency in C++ and Python; knowledge of C/C++, Java, SQL is a plus.
  • Solid TCP/UDP networking, socket programming, caching, OS concepts.
  • Experience with Linux/Bash, Git/GitHub, GDB, Wireshark.
  • Strong CS fundamentals: OOD, algorithms, concurrency.

Responsibilities

  • Design, implement, and maintain networking components, client-server models, and protocol resolvers (UDP/TCP, DNS, socket communications).
  • Apply data structures, memory management, and graph search heuristics to optimize performance and indexing challenges.
  • Develop and execute unit, integration, and stress tests for network state synchronization and bottleneck removal.
  • Use debugging tools to trace memory leaks, analyze packet flow, and debug multi-threaded or multi-client paths.
  • Collaborate with cross-functional teams to maintain clean, modular code and version control integrity across releases.

Skills

C++
Python
System design

Education

Bachelor's degree in Computer Science or Computer Engineering

Tools

Linux/Bash
Git/GitHub
GDB
Wireshark

Job description

Performix in Maricopa, Arizona, is seeking a Junior Systems Software Engineer to join our core engineering team. You will design, implement, and optimize low-level application architecture, networking protocols, and performance-critical systems, with a focus on C++ and Python.

The role requires a BS in CS/CE and strong fundamentals, plus hands-on Linux/Bash, Git, GDB, and Wireshark experience. You will work with cross-functional teams to build scalable software for our US operations.

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