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Sr. Backend Engineer

Job in New York, New York County, New York, 10261, USA
Listing for: Colossus Technologies Group
Full Time position
Listed on 2026-05-10
Job specializations:
  • Software Development
    Cloud Engineer - Software, Backend Developer, DevOps, Software Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Location: New York

We’re hiring a Senior Backend Software Engineer to help modernize and scale a growing platform used to power complex business operations and customer-facing workflows.

This is a hands‑on senior IC role for someone who enjoys building reliable backend systems, improving architecture over time, and working closely with product and business stakeholders to solve real operational problems.

You’ll have significant ownership over system design, API development, technical direction, and engineering standards across multiple services and integrations.

  • Design and build backend services and APIs in Python and/or Type Script
  • Help evolve legacy systems into scalable service‑oriented architectures
  • Build integrations with internal and third‑party platforms
  • Improve observability, monitoring, alerting, and operational reliability
  • Partner with product managers and business stakeholders to translate ambiguous requirements into practical engineering solutions
  • Contribute to technical architecture discussions and mentor other engineers
  • Drive engineering best practices around testing, CI/CD, deployment, and maintainability
  • Help shape long‑term platform and infrastructure decisions
Examples of technologies across the stack include:

Python, FastAPI, Type Script, Node.js, Postgre

SQL, Kubernetes, AWS, Kafka, Graph

QL, REST APIs, React, CI/CD pipelines, observability tooling, and cloud‑native infrastructure.

You do not need experience with every technology listed.

Ideal Background

This role tends to be a strong fit for engineers who have:

  • worked on platform or marketplace‑style products
  • built internal tooling and operational systems
  • led migrations toward microservices or API‑first architectures
  • acted as a senior IC or informal technical lead on backend‑heavy teams
Why Engineers Like This Role
  • High ownership and autonomy
  • Meaningful technical problems with real business impact
  • Collaborative environment with low ego and strong engineering influence
  • Opportunity to shape architecture rather than just execute tickets
  • Stable, mature engineering culture focused on long‑term quality
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