Software Engineer – Edge, Networking, Fleet

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Expand CNC from a single-replica service into a horizontally scalable fetch scheduler managing 50–100M requests daily

• Develop and maintain the Fleet Manager control plane with provider adapters, reconciler, rollout controller, inventory, health, configuration, software rollout, and BigQuery export functionalities

• Manage and enhance the CONNECT proxy gateway and edge session management

• Work in conjunction with the API squad on IP reputation, proxy leases, and request scheduling

• Design mTLS gRPC, long-polling, and streaming over unreliable residential connections, NAT/CGNAT behavior, and bandwidth tracking

• Establish SLOs for Edge-route availability, success rates, and latency

• Create metrics for peer count, drop-off rates, and bandwidth usage

• Execute safe blue/green rollouts for CNC and peers

• Engage in on-call rotations and lead post-incident reviews

• Draft RFDs, assess squad designs, and implement distributed-systems principles such as consistency, backpressure, idempotency, and blast-radius control

• Collaborate with the Team Lead, Principal Engineer, and partner engineering teams

⛳️ Requirements

• Over 5 years of production experience with Rust, managing services from inception to operation

• Proven experience in designing and managing distributed schedulers, control planes, or stateful services at scale

• Proficient in reasoning about consistency, partitions, backpressure, and idempotency

• Extensive knowledge of TCP, TLS, HTTP, gRPC, long-lived connections, NAT, and unreliable links

• Experience in building or managing forward proxies, proxy gateways, or residential/ISP proxy infrastructure

• Familiarity with IP reputation, session stickiness, and pool health management

• Knowledge of SLOs, error budgets, observability, and leadership in production incidents

• Comfortable handling on-call responsibilities

• Proficient with Rust on Windows, Linux, and Android platforms, including FFI boundaries

• Strong written communication skills suitable for a globally distributed, remote-first team

• Expertise in Rust, including knowledge of Tokio and Tonic

• Familiarity with C++, Cronet, Python, and Java

• Experience with gRPC and Protocol Buffers over mTLS

• Knowledge of HTTP CONNECT proxying and Chromium networking

• Experience with GCP, Kubernetes, Terraform, and blue/green deployment strategies

• Familiarity with Valkey, BigQuery, Confluent Kafka, Prometheus, Grafana, Loki, and OpenTelemetry

• Bonus: experience with mobile or desktop Rust, fleet/device management, anti-bot techniques and fingerprinting, web scraping/crawling, or contributions to open-source projects

🏝️ Benefits

• Autonomy and flexibility to work from your preferred location

• Adjustable working hours

• Opportunities to attend conferences and connect with team members globally

• Engage with innovative open-source technologies and tools

• Embrace a remote-first culture

• Collaborate within a global and diverse team