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Senior Software Engineer (Back-End)

Company:
MTS Moose Tech Solutions
Location:
Manhattan, NY, 10261
Posted:
January 14, 2026
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Description:

About the job Senior Software Engineer (Back-End)

Must-Have Criteria: MUST BE LOCAL TO THE JOB LOCATION OR YOUR APPLICATION WILL AUTOMATICALLY BE DENIED

ACCEPTING CANDIDATES OPEN TO RELOCATION AT THEIR OWN EXPENSE

This is a Back End role any full-stack candidates must have Senior experience working across the back end

Experience working in an early-stage startup is a huge plus! (less than 15-20 engineers ideal)

DescriptionA fast-growing data platform startup based in NYC is looking for a talented Senior Software Engineer (Back-End) to join their dynamic team. With a competitive salary of up to $180k, plus equity and comprehensive benefits, this on-site role offers an exciting opportunity to work on a platform serving over 100,000 users. Currently a small, close-knit team of around 8 people, the company provides an excellent environment for impactful contributions and career growth. H1B sponsorship transfer is available for eligible candidates.TechnologiesNode.jsAWSPostgreSQLRequirements

7+ years of experience in building back-end applications using Node.js.

Proven expertise in deploying applications to AWS.

Predominantly a back-end role, but requires a strong understanding of front-end, data, and API interactions to ensure seamless integration.

Familiarity with a broader tech stack (React, TypeScript, Postgres, Grafana) is a strong advantage.

Looking for a senior engineer comfortable with "technical leadership" actively contributing to technical and architectural discussions and decisions, without the need for direct personnel management.

Responsibilities

Work directly with the CTO and small team of founding engineers

Collaborate on building APIs for new product features and experiences

Build the services, pipelines, and data to power new product capabilities

Support long-term scalability of product architecture as more users are acquired

Ensure code and product quality

Help to implement engineering best practices across development and deployment

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