Note: The job is a remote job and is open to candidates in USA. Modulr is a decentralized cloud platform focused on building sustainable and secure online systems. They are seeking a Software Engineer (Networking & Protocols) to design, implement, and scale their decentralized communication systems, contributing to high-performance networking protocols and distributed consensus mechanisms.

Responsibilities

• Design and implement the Modulr.Core networking layer connecting validators, partners, and clients across global co-chains
• Develop real-time communication systems using WebRTC, STUN/TURN, and hybrid TCP/UDP transport protocols
• Build secure and efficient APIs, message queues, and data transport layers for distributed workloads
• Write production-grade code in Python (asyncio, FastAPI) with performance-critical modules in C++
• Collaborate on long-term efforts to build Modulr’s compiled runtime and custom programming language (C++ compiler integration)
• Optimize distributed systems for latency, throughput, and fault tolerance across thousands of concurrent peers
• Work closely with blockchain and robotics teams to enable telemetry streaming and consensus-aware packet routing
• Contribute to internal standards for encryption, serialization, and protocol versioning across the Modulr ecosystem

Skills

• 3+ years of experience in Python or C++ network programming
• Strong foundation in asynchronous I/O, concurrency models, and low-level socket development
• Familiarity with distributed systems, peer-to-peer networking, and consensus protocols such as PoS, BFT, or Raft
• Experience with WebRTC or real-time streaming frameworks such as STUN/TURN, ICE, RTP, or RTCDataChannel
• Understanding of cloud-native networking, containers, and orchestration frameworks
• Proficiency in C++17/20 for systems-level work and compiler-related development
• Experience with Go or background in robotics/IoT networking, ROS2, or real-time control systems

Benefits

• Token Vesting Options Available
• Overtime above 45 hrs/week paid at 1.5×
• Flexible PTO plus 50 hrs/year of emergency leave
• Weekly R&D time (4 hrs) for experiments or protocol extensions
• Access to the Founders Fund to pitch and build your own co-chain
• Career growth toward Protocol Architect or Systems Lead

Company Overview