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Senior Backend Engineer

Develop scalable backend solutions using Node.js and TypeScript to drive high-performance systems

Design and implement robust backend architectures, optimizing concurrency and resolving bottlenecks. Specialize in Node.js/TS ecosystem, aiming for clean code and pragmatic solutions. Recent success: 50% P95 latency reduction in a monolithic workflow, handling 1M+ requests monthly with near-perfect uptime.

Why This Role?

Be part of a mature engineering culture that prioritizes clean architecture and thorough code reviews.

Key Responsibilities

  • Architect high-concurrency backend systems to handle millions of requests with minimal latency
  • Identify and resolve race conditions and technical bottlenecks in large-scale applications
  • Implement and maintain clean, robust code using Node.js and TypeScript
  • Collaborate with a remote team to ensure thorough code reviews and pragmatic problem-solving

Requirements

  • 6+ years of experience in backend development
  • Proficiency in Node.js and TypeScript
  • Expertise in high-concurrency architecture and performance optimization
  • Strong understanding of databases like PostgreSQL and MongoDB
  • Experience with cloud platforms such as Azure
  • Proven ability to solve complex technical challenges and improve system reliability

Required Skills

node.jstypescriptpostgresqlazuremongodbBackend developmentSystem architectureConcurrency managementCode optimizationCloud computingCommunication

Indonesia Context

Working Hours Overlap:
Minimal overlap — opposite hours
See remote (USD) vs local pay →
View Original Description from HN Who is Hiring

Original description from HN Who is Hiring

Location: Florianopolis, Brazil (UTC-3) Remote: Yes Willing to relocate: Not yet Technologies: Node.js, TypeScript, PostgreSQL, Azure, MongoDB Resumé/CV: https://linkedin.com/in/f-heredia https://felipeheredia.com Email: hello [at] felipeheredia.com Senior Backend Engineer with 6+ years of experience. I specialize in high-concurrency architecture, solving race conditions under scale, and resolving deep technical bottlenecks. Recently optimized a monolithic workflow, reducing P95 latency by 50% while sustaining 1M+ monthly requests with a 99.996% crash-free rate. Currently operating heavily in the Node.js/TS ecosystem. I am looking for a mature engineering culture that values clean architecture, robust code reviews, and pragmatic problem-solving over hype-driven development. Available for B2B/Contractor roles.

Salary Context

Similar Engineering roles on LokerDollar pay around $195k/yr (range $13.4k–450k/yr, n=372 active listings).

Discussion threadThis link goes to a discussion thread, not an application form.

Openness not stated by employer — check the listing

The listing does mention UTC-3 work hours — check whether that overlap works for you.

Estimated salary
$190k–208k/yr
Based on similar roles — not stated by the employer
Job Type
full time
Location
Remote · UTC-3
~0h overlap with Jakarta hours
Category
Seniority
senior
PostedFresh
Sep 1, 2026

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Frequently asked questions

Is Senior Backend Engineer at Felipeheredia a remote job?
Yes. Senior Backend Engineer at Felipeheredia is a fully remote role open to candidates worldwide.
What type of employment is Senior Backend Engineer at Felipeheredia?
This is a full time position.
How do I apply?
Click the "Apply" button on this page to go to the official application at Felipeheredia.

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