Software Developer

About the Role

Seal Dynamics is growing its IT development team and hiring an entry-level developer. This role is for someone early in their career who wants to learn a real enterprise stack end to end. This is an on-site position in Hauppauge, Long Island.

Key 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 for integrations between core business systems and outside partners
• Work on AI integration efforts, connecting LLM APIs and MCP (Model Context Protocol) 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
• Collaborate with purchasing, warehouse, sales, and finance teams to understand requirements
• Follow and improve source control, code review, and change management practices

Requirements & Tech Stack

The following list represents what you will be working with and learning. You are not expected to know all of these upon entry.

Data

• Microsoft SQL Server, T-SQL, stored procedures, indexing and query tuning

Backend

• C# / .NET, VB.NET, Python

Integration

• REST / JSON APIs, webhooks, file-based and partner interfaces

AI

• LLM APIs, MCP servers, AI-assisted development tooling

BI & Reporting

• Power BI, DAX, SQL Server Reporting Services

Web

• HTML, CSS, JavaScript, React

Tooling

• Docker, Git / GitHub, Visual Studio

Business Systems

• ERP, eCommerce, warehouse management, document management

Qualifications

Required (these are the core screening criteria)

• 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)
• Working knowledge of SQL: ability to write multi-table joins, understand indexes, and recognize bad practices like SELECT * in production
• Familiarity with at least one object-oriented language (C# preferred; Java, Python, or VB.NET experience is transferable)
• 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
• Curiosity and initiative

Coursework, internships, co-ops, and personal projects count towards experience. If you have built something you are proud of, please highlight it.

Helpful, Not Required (We’ll Teach You These)

• Python beyond the basics, especially for data or automation
• Hands-on work with LLM APIs, MCP, RAG, or embeddings (including personal projects)
• Experience using AI coding assistants on real code
• Docker or other containerization
• Power BI, DAX, or other BI and reporting tools
• React or another modern front-end framework
• ERP development experience (Infor SyteLine / CloudSuite Industrial is a plus)
• EDI or other B2B partner integration experience
• Exposure to distribution, manufacturing, inventory, or warehouse systems
• Aviation or other regulated-industry experience