Senior Full Stack .NET Developer (ArcGIS/GIS Required) - Onsite in New York City at Booker DiMaio, LLC
New York, NY
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Jul 21, 2026
New York, NY
Jul 23, 2026
What this job asks for AI summary
A senior developer role focused on building and maintaining enterprise geospatial applications for a New York City government client. Day-to-day work spans full-stack .NET development (C#, ASP.NET, .NET Core, SQL Server, Azure) alongside deep ESRI ArcGIS Pro customization — including custom editing tools, extensions, REST API integrations, and automated GIS workflows using Python and ArcPy. Suits an experienced developer with a strong combined background in both enterprise .NET and ESRI platform development.
Senior level · 8+ years · New York-Newark-Jersey City, NY-NJ-PA · Bachelor's required · Contract
“or” means any one of them counts — you don't need all of them.
Posted 2 times — it's one opening, so apply once.
We read this from the posting text with AI. Skim the description below before ruling yourself out.
How this req sits in the market our data
Rare in this occupation — lead with these, and say what you built with them.
Most people in this occupation already list these. Still required — just not what gets you shortlisted.
What the occupation pays Median $170,499 (middle half $133,523–$210,499).
Estimated from BLS employment for this occupation and area, per-skill prevalence across our listing corpus, and published wage benchmarks — as of Jul 28, 2026. It is a model, not a headcount.
Why we read it this way (8)
This is an 18-month contract (onsite only, New York City). No compensation figures were stated in the posting.
The role is a genuine hybrid of enterprise .NET full-stack development and GIS/ESRI platform development; 15-1299 (Computer Occupations, All Other) is noted as an alternative because the GIS specialization is unusually deep, but the primary day-to-day work is software development.
The 4+ years of ArcGIS Pro/ArcMap experience is called out explicitly as mandatory in the opening line and again in Required Qualifications; the 8+ years figure refers to overall full-stack .NET experience (the overall years minimum).
ArcMap is listed as an interchangeable alternative to ArcGIS Pro for the GIS development requirement ('ArcGIS Pro and/or ArcMap').
Prior NYC government experience is listed as 'highly preferred' — it is not a hard gate and has been omitted from the skills list as it is not a concrete named technology.
The degree requirement (Bachelor's in CS, GIS, Information Systems, Software Engineering, or related field) is stated under Required Qualifications with no 'or equivalent experience' escape clause, so it is treated as a hard gate.
Ignored 1 non-technology phrase(s) as skills (responsibilities/concepts, not named tools): ArcGIS Maps SDK for .NET.
Posting is for a contract engagement — the market benchmarks below price full-time roles, so read the comp comparison with that in mind.
Read the full posting
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