Junior Backend Systems Engineer; Python​/C++

Full time | Performix | United States

• Manufacturing
• Work Experience 5+ years
• City Phoenix
• State/Province Arizona
• 85138

• We are seeking a detail-oriented, highly analytical Junior Systems Software Engineer to join our core engineering team.
• In this role, you will design, implement, and optimize low-level application architecture, networking protocols, and performance-critical systems. The ideal candidate brings a strong foundation in computer science fundamentals, hands-on experience with C++ and Python, and a passion for building responsive, scalable software.

• Systems & Network Architecture:
  Design, implement, and maintain custom networking components, client-server models, and protocol resolvers (UDP/TCP, DNS, socket communications).
• Algorithm & Performance Optimization:
  Apply data structures, memory management, and graph search heuristics (e.g., A*, custom hashing, priority queues) to solve complex performance and indexing challenges.
• Testing & Quality Assurance:
  Develop and execute comprehensive unit, integration, and stress tests to validate network state synchronization, catch edge cases, and eliminate execution bottlenecks.
• Debugging & Problem Solving:
  Utilize low-level debugging tools (GDB, Wireshark) to trace memory leaks, analyze packet flow, and debug asynchronous multi-threaded or multi-client execution paths.
• Cross-Functional Collaboration:
  
  Partner with cross-functional teams to design clean, modular codebases and maintain version control integrity across all release cycles.

• Education:
  
  Bachelor of Science in Computer Science, Computer Engineering, or a related technical discipline (GPA 3.5+ preferred).
• Core
  
  Languages:
  
  Strong proficiency inC++and
  Python
  . Familiarity with C, C#, Java, SQL, or x86 Assembly is a plus.
• Systems & Networking:
  Solid understanding of TCP/UDP networking principles, socket programming, caching mechanisms, operating systems, and computer architecture.
• Tools & Environment:
  Hands-on experience with
  Linux/Bash
  ,
  Git/Git Hub
  ,
  GDB
  , and
  Wireshark
  . Experience with SFML, Unity, or VR/AR engines is desirable.
• CS Fundamentals:
  Proven command of object-oriented design, algorithmic complexity, recursive problem-solving, and concurrent state management.

• Self-starter capable of managing end-to-end projects-from requirement mapping to comprehensive testing.
• Passion for interactive media, high-performance computing, or game engine mechanics.
• Strong written and verbal communication skills for technical documentation and code reviews.

• C++, Python, TCP/UDP, socket programming, Linux, Git, GDB, Wireshark, object-oriented design, algorithmic complexity, concurrency
• C++, Python, C, C#, Java, SQL, x86 Assembly, TCP, UDP, DNS, socket programming, caching mechanisms, operating systems, computer architecture, Linux, Bash, Git, Git Hub, GDB, Wireshark, SFML, Unity, VR, AR, object-oriented design, algorithmic complexity, recursion, concurrent state management, data structures, memory management, graph search heuristics, A, custom hashing, priority queues