Entry-Level Aerospace Software Developer: SQL, C#, REST & AI

Seal Dynamics LLC; Town of Smithtown (NY); On-site; USD 65,000 - 75,000; Full time

Benefits offered by this job

9/80 work schedule

Every other Friday off

Job summary

Seal Dynamics, an HEICO company, is expanding its IT development team and hiring an entry-level developer to grow with us in Hauppauge, Long Island. You’ll write SQL and C# against ERP and business databases, build REST integrations, and contribute to AI-enabled workflows in an enterprise stack.

This on-site role requires work authorization in the United States and offers a 9/80 schedule with every other Friday off after the introductory period, plus exposure to Docker, Git, and modern

Qualifications

• Associate’s or Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field or equivalent practical experience (bootcamp, military, self-taught with a portfolio we can look at)
• Working knowledge of SQL: you can write a multi-table join, understand what an index does, and know why SELECT * in production code is a bad habit
• Familiarity with at least one object-oriented language - C# preferred, but Java, Python, or VB.NET experience transfers
• Basic understanding of how REST APIs work: requests, responses, JSON, status codes, authentication
• Basic familiarity with source control (Git/GitHub)
• Clear written and verbal communication - much of this job is asking a non-technical person the right question
• Curiosity and initiative: you research before you elevate, and you flag problems early rather than hoping they go away

Responsibilities

• Write, test, and tune T-SQL queries, views, stored procedures against our ERP and line-of-business databases
• Build and maintain C#/.NET applications and services
• Build and consume REST APIs - the integrations that connect our core business systems to each other and to outside partners
• Work on our AI integration efforts - connecting LLM APIs and MCP servers to business data
• Write Python for data work, automation, and AI-adjacent tooling
• Support and enhance internal web applications
• Work in containerized development and deployment environments
• Work directly with people in purchasing, warehouse, sales, and finance to understand what they actually need before you build it
• Follow source control, code review, and change management practices and help us improve them

Skills

SQL knowledge

OO programming

Communication

Curiosity

Team collaboration

Education

Associate’s or Bachelor’s degree in CS/IS/Engineering

Tools

Microsoft SQL Server

C# / .NET

Python

REST / JSON APIs

Git / GitHub

Docker

Visual Studio

Job description

Seal Dynamics, an HEICO company, is expanding its IT development team and hiring an entry-level developer to grow with us in Hauppauge, Long Island. You’ll write SQL and C# against ERP and business databases, build REST integrations, and contribute to AI-enabled workflows in an enterprise stack.

This on-site role requires work authorization in the United States and offers a 9/80 schedule with every other Friday off after the introductory period, plus exposure to Docker, Git, and modern