Extend - Senior Data Platform Engineer, Enterprise Merchant Integrations
Requirements
• 4-6 years in Data Engineering, Platform Engineering, or a closely related field. • 4-6 years • Deep AWS serverless experience: Lambda, DynamoDB, Glue, Step Functions. • Hands-on experience with event-driven systems (Kafka, EventBridge, SNS) and fluency in Python and TypeScript. • Experience building and hardening large-scale data platforms and integrations, including the defensive, correctness-focused engineering that keeps external data boundaries reliable. • Experience building and hardening large-scale data platforms and integrations • Experience building platforms and tooling that other engineers build on, beyond end-user features. • Comfort with data at rest and in motion: delivering clean data into a warehouse (Snowflake or similar) or data lake, and building reconciliation against it. • Comfort with data at rest and in motion • An ownership mentality. You identify problems early and drive work to completion without step-by-step guidance. • An ownership mentality. • Mentorship experience, with a humble, collaborative approach. • Bonus: experience designing clear, actionable error surfaces or reporting for external or non-technical consumers. • Bonus: • Expected Pay Range: $155,000 - $170,000 per year salaried*
Responsibilities
• Build anti-corruption layers. Design the mapping and transformation systems that isolate each merchant’s uniqueness so downstream data stays consistent, delivered as reusable platform capabilities others build on. • Build anti-corruption layers. • Make onboarding faster and safer. Build the tooling and standards that let partner teams onboard merchants quickly, support merchant migrations onto current platform capabilities, and take on the complex integrations yourself. • Make onboarding faster and safer. • Build out merchant-facing error reporting. Build on our failure-capture and file-return capabilities to deliver a framework that turns validation and processing errors into clear, actionable reports for data providers and the engineers operating the integration. • Build out merchant-facing error reporting. • Engineer resilient data boundaries. Build the validation, reconciliation, and automated failure-triage that catch bad data early and prevent silent data loss, backed by alerting that teams trust. • Expand our event-driven architecture. Extend our production backbone (Kafka, EventBridge, SNS), decoupling more Step Functions and SQS orchestration and adding lifecycle webhooks for service and order events. • Expand our event-driven architecture. • Own reliability end-to-end. Own your work from design through production, including the monitoring, observability, data-quality checks, and reconciliation that prove it works as designed. • Own reliability end-to-end. • Mentor and lead by example. Raise the bar through the work you ship and help shape the integration standards the whole team builds against. • Mentor and lead by example.
Benefits
• The target base salary range for this position is listed above. Individual salaries are determined based on a number of factors including, but not limited to, job-related knowledge, skills and experience. • Extend does not provide immigration-related sponsorship for this role. • Life at Extend: • Life at Extend: • Working with a great team from diverse backgrounds in a collaborative and supportive environment. • Competitive salary based on experience, with full medical and dental & vision benefits. • Stock in an early-stage startup growing quickly. • Generous, flexible paid time off policy. • 401(k) with Financial Guidance from Morgan Stanley. • Extend CCPA HR Notice
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