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Senior Backend Engineer

New York, NY, US...
S

Sendblue

Startup
Category
Technical
Experience
4-7 years
Type
Full-Time
Location
New York, NY, US / Remote (US)
Salary
$160,000 - $240,000
Job Description
Benefits & Culture
Flexible hours
Remote work
Paid time off
Fast-paced environment
Direct feedback
Growth opportunities
This goes straight to the founder
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No recruiters. Founders reply directly.

Founder Signals
Response Rate
85%
Avg Response Time
2 hours
Compensation Calculator
In startups, higher salary usually means lower equity.
Salary (affects equity %)
Link salary ↔ equity
$125,000
$160,000$240,000
Equity % (auto from trade-off model)
1.19%
0%5%
Projected Exit Value
$350,000,000
$10M$500M
Live Trade-off
Salary
Equity %
Est. Equity Value at Exit
$100,000
1.19%
$2,082,500
$125,000
1.19%
$2,082,500
$150,000
1.19%
$2,082,500
$175,000
1.06%
$1,859,375

Advanced Salary & Equity Calculator

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About the role

We’re looking for a seasoned full-stack engineer to lead feature development across our Nodejs, React, and PostgreSQL stack. You'll own projects end-to-end from schema design to backend APIs ensuring our platform remains fast, scalable, and reliable.

What You’ll Do

  1. Ship high-quality code across Node.js/Express backends and React frontends.
  2. Architect and optimize PostgreSQL databases: schema design, complex SQL, and performance tuning.
  3. Build dynamic, high-performance React components using hooks and modern tooling.
  4. Design and implement robust REST and real-time APIs (WebSockets).
  5. Incorporate Redis for caching, queues, and high-throughput workflows.
  6. Translate product ideas and customer feedback into scalable features.
  7. Improve system observability: logs, metrics, and alerts.
  8. Contribute to sprint planning and raise the bar on team velocity and code quality.

What We’re Looking For

  1. 4+ years of experience building and deploying full-stack applications in production.
  2. Expertise in PostgreSQL: schema design, window functions, complex joins, query tuning.
  3. Solid experience with Redis for caching or pub/sub use cases.
  4. Strong system design skills; experience architecting systems independently.
  5. Clear, concise communication and a bias for shipping.

Nice to Have

  1. Experience with Next.js, TypeScript, GraphQL.
  2. Familiarity with Docker, Kubernetes, and CI/CD pipelines.
  3. Background in real-time messaging or event-driven systems.
  4. Startup experience, especially in high-growth environments.