Sr. Software Engineer
New York, NY
Reference ID: 31935383
Date Posted: 03/31/2026
Apply now: Senior Full-Stack Engineer, location is remote. The start date is ASAP for this permanent position.
Job Title: Senior Full-Stack Engineer
Location-Type: Remote
Start Date Is: ASAP
Duration: Permanent
Compensation Range: 165,000-180,000/year
Job Description:
Lead full-stack development across modern .NET and React systems while modernizing and optimizing backend services.
Day-to-Day Responsibilities:
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Migrate backend systems from SQL Server to MongoDB
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Build, scale, and optimize .NET APIs
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Develop modern React (TypeScript) frontends
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Tune performance across database, API, and UI layers
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Participate in Agile ceremonies (scrums, planning, reviews)
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Collaborate closely with Product Managers and engineers
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Contribute across frontend, backend, and API layers
Requirements:
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Must-Haves:
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React (TypeScript)
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.NET & C#
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SQL Server & MongoDB
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GraphQL & API development
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AWS
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Agile/Scrum experience
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Comfortable with peer code reviews and feedback
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Cursor
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Nice-to-Haves:
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Kubernetes / EKS
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Healthcare or SaaS background
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Experience with system modernization or migrations
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