SDE III

We aren't looking for “feature factories”; we are looking for owners of a resilient ecosystem. At Purplle, your success is defined by your mindset and the tangible impact you have on our platform.

Responsibilities:

• AI-Native Velocity: Lead the 70% AI-assisted PR mandate by mastering Cursor, Copilot, and Claude to accelerate delivery of Node.js (NestJS) and Go microservices, while keeping human intelligence focused on high-level system design and architecture decisions.
• Unbreakable Backend Architecture: Architect high-throughput, event-driven microservices using Kafka and Redis, embedding resilience patterns like circuit breakers, health checks, and fallback mechanisms to handle massive traffic spikes without manual intervention.
• Data and Performance Ownership: Own the ‘unit economics' of the data layer, optimize MySQL and MongoDB queries, design efficient schemas, and ensure sub-second p99 latencies with predictable infrastructure costs on GCP.
• End-to-End Golden Path Ownership: Drive features from design docs to Kubernetes deployment, ensuring high reliability through strong engineering practices and maintaining low change failure rates and minimal Sev-1 incidents.
• API and Service Design Excellence: Build clean, versioned, and backward-compatible APIs and modular microservices with a strong focus on maintainability, scalability, and clear service contracts.
• Cloud-Native Operations and Observability: Design and operate services on Kubernetes with robust logging, monitoring, and alerting; proactively debug production issues and ensure high availability.
• Scalability and Cost Efficiency: Continuously optimize system throughput, fault tolerance, and infrastructure utilization to support high growth while maintaining strict control over cloud costs.
• Technical Leadership and Collaboration: Lead design decisions, write clear RFCs, mentor engineers, and collaborate closely with product, frontend, data, and devOps teams to drive high-quality outcomes.
• Core Engineering Excellence: Apply strong fundamentals in distributed systems, concurrency, and data structures, combined with sharp problem-solving, debugging, and communication skills.

The Systems Thinker (Quality and Resilience):

• You hate fixing the same bug twice. You'd rather build a “self-healing” mechanism than perform a manual fix. Your goal is to maintain a change failure rate of less than 1.5% and help us reach a state of fewer than 2 Sev-1 incidents per quarter.
• The AI-Fluent Architect (High Velocity): You are already using AI tools to 10x your own productivity. You leverage these tools to drive a cycle time of < 4 hours and maintain a high frequency of daily deployments, moving code from commit to production with total confidence.
• The Data-Informed Engineer (Economic Discipline): You care about the “why” behind the code. You understand that latency and cloud spend are engineering disciplines, and you optimize your infrastructure so that our cost-per-order remains predictable as we scale.
• The Proactive Collaborator (Security and Governance): You thrive in a cross-functional environment (Eng, Data, DevOps, Security). You take ownership of the “Golden Path, " ensuring 100% of your repositories are gated and that zero critical vulnerabilities ever reach our production environment.

Requirements:

• 5-7 years; proven track record of designing distributed systems at scale.

Tech Stack:

• Languages and Frameworks: Node.js (NestJS / Express), Golang.
• Data and Messaging: MySQL, MongoDB, Redis, Kafka, Aerospike, ElasticSearch.
• Infrastructure: Kubernetes, GCP/AWS, Docker.
• Observability: Prometheus, Grafana, OpenTelemetry.
• AI Productivity: Cursor, Claude, GitHub Copilot.

Skills

AWS, Docker, GCP, Go, Golang, Kafka, Kubernetes, MongoDB, MySQL, NestJS, Node.js, Redis, distributed systems, microservices