Blockchain Engineer

• Design, build, and operate edge network security infrastructure including WAF rule sets, bot protection services, and traffic inspection pipelines.
• Develop and maintain Python-based automation and tooling that manages WAF policies & infrastructure.
• Build and maintain serverless architectures using AWS Lambda, Application Load Balancers, DynamoDB, and related AWS services.
• Use AI coding assistants and AI-driven analysis tools to accelerate development.
• Collaborate with security, product, and platform teams to translate threat intelligence and compliance requirements into deployable infrastructure-as-code.
• Participate in on-call rotations and incident response for edge security events.

Lead Software Engineer – Back End, Java, Python, Go, REST, GraphQL, WAF, HTTP, AWS

• Independently drive execution of complex technical projects end to end.
• Build mission-critical backend services that deliver value to our customers. You will play a crucial role in architecting, designing, developing and operationalizing high performance, scalable, reliable and resilient services.
• Troubleshoot and debug technical issues inside a deep and complex technical stack that includes microservices, containers, and virtualization.
• Ensure operational readiness of the services and meet the availability and performance SLA commitments to our customers.

Distributed Systems Software Engineer

• Own the technical coherence of a platform that spans globally distributed key-value storage
• Work fluidly between writing production code, designing new systems, and reviewing proposals of senior engineers
• Help integrate LLMs into processes and systems
• Deliver on key Health Mediated Deployment projects

Principal Software Engineer – Distributed Systems, Config, Test, Deployment

• Design, implement, and troubleshoot industrial communication protocols and network configurations.
• Act as a subject matter expert for industrial networking technologies, including Ethernet/IP, Modbus, PROFINET, OPC UA, LLDP, and PRP
• Participate in reviews of protocol integration, compliance requirements, and test designs to ensure quality and alignment with industry standards.
• Collaborate with software and hardware teams to integrate protocol stacks and validate performance.
• Monitor industry trends and emerging technologies to inform design decisions and maintain competitive positioning.
• Provide impact analysis for protocol-related changes, considering effects on testing, schedules, and overall product integrity.

Network Protocol Software Engineer

• Develop and implement new platform components for the Cloudflare Analytical Database Platform to improve functionality and performance.
• Add more database clusters to accommodate the growing volume of data generated by Cloudflare products and services.
• Monitor and maintain the performance and reliability of existing database platform clusters, and identify and troubleshoot any issues that may arise.
• Work to identify and remove bottlenecks within the analytics database platform, including optimizing query performance and streamlining data ingestion processes.
• Collaborate with the ClickHouse open-source community to add new features and functionality to the database, as well as contribute to the development of the upstream codebase.
• Collaborate with other teams across Cloudflare to understand their data needs and build solutions that empower them to make data-driven decisions.
• Participate in the development of the next generation of the database platform engine, including researching and evaluating new technologies and approaches that can improve the database's performance and scalability.

Distributed Systems Engineer, Analytical Database Platform

• Develop and enhance our customer-facing APIs focusing on performance, reliability, and an intuitive user experience.
• Design, build, and maintain our near real-time alerting platform, from data processing and anomaly detection to reliable notification delivery.
• Optimise the performance of complex analytical queries that power our APIs and dashboards, working closely with the database platform team.
• Create intuitive and powerful tools that allow customers to explore their data and configure meaningful alerts based on logs and metrics.
• Scale our API and alerting infrastructure to support a growing number of internal and external use cases.
• Collaborate with front-end engineers and product managers to define API contracts and deliver a seamless data experience for our users.
• Ensure the operational health of our APIs and alerting systems by developing comprehensive monitoring, and participating in an on-call rotation (with the flexibility to be on-call outside of standard working hours as needed).

Distributed Systems Engineer – Data Platform, Analytics and Alerts

• Design, develop, and maintain scalable and reliable distributed systems across the entire data lifecycle.
• Build and optimise key components of our high-throughput data delivery platform to ensure data integrity and low-latency delivery.
• Develop new and improve existing components for the Cloudflare Analytical Platform to extend functionality and performance.
• Scale, monitor, and maintain the performance of our large-scale database clusters to accommodate the growing volume of data.
• Develop and enhance our customer-facing GraphQL APIs, log delivery, and alerting solutions, focusing on performance, reliability, and user experience.
• Work to identify and remove bottlenecks across our data platforms, from streamlining data ingestion processes to optimizing query performance.
• Collaborate with other teams across Cloudflare to understand their data needs and build solutions that empower them to make data-driven decisions.
• Collaborate with the ClickHouse open-source community to add new features and contribute to the upstream codebase.
• Participate in the development of the next generation of our data platforms, including researching and evaluating new technologies and approaches.

Distributed Systems Engineer – Data Platform, Delivery, Database, Retrieval

• Design, build, and operate a robust logging platform, ensuring reliable logging, and secure data transfer to a wide array of customer destinations and third-party integrations.
• Develop and maintain high-performance data connectors and integrations for our log-shipping products, focusing on usability, scalability and data integrity.
• Create and manage systems for handling comprehensive audit logs, ensuring they are delivered securely and adhere to strict compliance and performance standards.
• Scale and optimise the data delivery pipeline to handle massive data volumes with low latency, identifying and removing bottlenecks in data processing and routing.
• Work closely with Product and other engineering teams to define requirements for a new logging platform and integrations.
• Maintain the operational health of our log delivery platform through comprehensive monitoring and participation in an on-call rotation (with flexibility for out-of-hours technical issue resolution).
• Collaborate on the architectural evolution of our data egress platform, researching and implementing new technologies to improve efficiency and reliability.

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