Backend Systems Engineer (Python/C++)

Performix Business Services

$80K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Computer Engineering, or related field (GPA 3.5+ preferred)
  • Proficient in C++ and Python; familiarity with C, C#, Java, SQL, or x86 Assembly is a plus
  • Understanding of TCP/UDP networking principles, socket programming, and operating systems
  • Experience with Linux/Bash, Git/GitHub, GDB, and Wireshark; knowledge of SFML, Unity, or VR/AR engines is desirable
  • Strong grasp of object-oriented design, algorithmic complexity, and concurrent state management

Responsibilities

  • Design, implement, and maintain custom networking components and client-server models
  • Optimize algorithms and apply various data structures to enhance performance
  • Develop and execute unit, integration, and stress tests to ensure network integrity
  • Utilize debugging tools to trace memory leaks and analyze packet flow
  • Collaborate with cross-functional teams to maintain modular codebases and version control

Benefits

  • Collaborative work environment with cross-functional teams
  • Opportunity to work on low-level application architecture and networking protocols
  • Hands-on experience with cutting-edge technologies in a performance-critical setting
  • Potential for growth in a fast-paced engineering team
  • Engagement with projects involving interactive media and high-performance computing
Full Job Description
Job Description
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.

Key Responsibilities:
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.

Key Requirements:
Education: Bachelor of Science in Computer Science, Computer Engineering, or a related technical discipline (GPA 3.5+ preferred).
Core Languages: Strong proficiency in C++ 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/GitHub, 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.

Desired Competencies:
• 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.

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