Senior Backend Engineer - Data & Integrations (Remote)

Buzz Solutions; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Buzz Solutions is seeking an experienced Senior Backend Engineer to own data movement across ingestion, processing, and core API services. You will ensure idempotent contracts and scalable data pipelines on a Kubernetes-based platform.

You’ll design schemas and migrations, add backend features, and harden event pipelines for reliable at-least-once delivery, while integrating with external systems and maintaining robust runbooks and incident notes.

Qualifications

• 5+ years building backend or platform systems in production.
• Production TypeScript on Node.js (NestJS, Express or similar), including async error handling and connection pools.
• Deep PostgreSQL experience: reading EXPLAIN (ANALYZE, BUFFERS), index design, transactions, isolation levels and row locking.
• Zero-downtime schema changes on large tables: concurrent index builds, batched backfills and expand-and-contract migrations.
• Event-driven integration designed for at-least-once delivery: idempotency, retries, dead-letter queues and out-of-order messages.
• Clear written communication: design docs, runbooks and incident notes.

Responsibilities

• Data flow between our ingestion, processing and core API services, with idempotency and clear contracts at every hop.
• Schema, queries and migrations: indexes, query plans, locking and zero-downtime changes.
• Backend features: New API endpoints and new or changed tables for entity, process and state data.
• Turn loosely defined data problems into scoped designs.
• Event pipelines: Harden Pub/Sub and BullMQ pipelines for at-least-once delivery, retries and dead-letter handling.
• Customer integrations: Reliable data paths into customer systems such as IBM Maximo, Esri ArcGIS and SSO identity providers.
• Bulk data tools: Safe, repeatable tools for moving millions of rows or images in production.
• The metrics and tracing in your services that show where data slows down or goes missing.
• On-call for the services you build, with runbooks and incident notes others can follow.

Skills

TypeScript (Node.js)

PostgreSQL

Backend architecture

Event-driven design

Communication

Tools

NestJS

Express

BullMQ

Pub/Sub

Kubernetes

Google Cloud

Job description

Buzz Solutions is seeking an experienced Senior Backend Engineer to own data movement across ingestion, processing, and core API services. You will ensure idempotent contracts and scalable data pipelines on a Kubernetes-based platform.

You’ll design schemas and migrations, add backend features, and harden event pipelines for reliable at-least-once delivery, while integrating with external systems and maintaining robust runbooks and incident notes.