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Senior Backend Engineer

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Date Posted

23 May, 2025

Salary Offered

$120000 — $180000 yearly

Job Type

Full Time

Experience Required

3+ years

Remote Work

Allowed

Stock Options

No

Vacancies

1 available


We’re looking for a Senior Node.js/React/PostgreSQL Engineer (New York) to join our team. You will own full-stack feature development, from database schema through backend APIs to polished React UIs, ensuring our platform remains fast, reliable, and SQL-driven as we scale.

Outcomes

  • Deliver high-quality production code across Node.js/Express backends and React frontends in a fast-paced startup setting.
  • Architect and optimize PostgreSQL databases: design schemas, write performant SQL queries, tune indexes, and ensure data integrity.
  • Build and iterate on user-facing React components—state management, hooks, and custom UI—for seamless customer workflows.
  • Design and implement robust RESTful and real-time APIs (WebSockets) to connect your React apps to scalable backend services.
  • Collaborate with product, design, and support teams to translate customer feedback into features that drive business efficiency.
  • Improve system observability—logging, metrics, alerting—to detect and resolve performance bottlenecks in both front- and back-end layers.
  • Participate in sprint planning, own technical stories, and help refine processes to boost team velocity and code quality.

Competencies

  • 4+ years professional experience building end-to-end systems with Node.js and Express.
  • Deep expertise in React (hooks, context, performance optimization) and modern frontend tooling.
  • Mastery of PostgreSQL: schema design, complex JOINs, window functions, stored procedures, and query optimization.
  • Strong grasp of system design: microservices, event-driven patterns, caching strategies.
  • Excellent debugging and troubleshooting skills across the full stack.
  • Clear communicator—able to explain technical trade-offs to engineers, designers, and stakeholders.
  • Bias for action—comfortable shipping quickly without compromising on stability or maintainability.

Bonus Points

  • Familiarity with Next.js, TypeScript, or GraphQL.
  • Experience with containerization (Docker) and orchestration (Kubernetes).
  • Prior work in real-time messaging or event-streaming architectures.
  • Hands-on knowledge of CI/CD pipelines, automated testing, and code review best practices.
  • Previous startup experience, especially in high-growth environment

About Sendblue

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Company Size: 11 - 50 People
Year Founded: 2023
Country: United States

BEAMSTART

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