IT Application Developer I

Batteries Plus is looking for an IT Application Developer I to join our dynamic IT team. In this role, you’ll support the design, development, and modernization of custom software applications that power inventory, ordering, fulfillment, and enterprise operations across our growing organization.

Working closely with developers, analysts, QA automation, and business partners, you’ll help build high-quality, scalable solutions using Microsoft-based technologies while contributing to our transition from legacy systems to a modern, cloud-enabled architecture. This is a great opportunity to strengthen your technical foundation, gain exposure to modern web development and cloud services, and make a meaningful impact in a collaborative environment.

What You’ll Do

Assist in the design, development, and maintenance of custom software applications using Microsoft technologies

Write clean, reusable, and maintainable code aligned with established standards and best practices

Support both legacy applications and modernized platforms during system transitions

Build and support web applications, RESTful APIs, and API-driven integrations

Participate in Git-based workflows including pull requests, code reviews, and branching strategies

Contribute to CI/CD pipelines and automated testing efforts

Test, debug, and validate software to ensure quality, performance, and reliability

Collaborate with backend, frontend, QA automation, and business analysts to enhance user experiences and improve system performance

Analyze existing applications to identify defects and recommend improvements

Leverage AI-assisted development tools (e.g., GitHub Copilot or similar) as part of daily development practices

Participate in all phases of the software development lifecycle, from requirements gathering through deployment

Stay current with emerging technologies and contribute to continuous improvement initiatives

Bachelor’s degree in Computer Science, Engineering, or a related field

At least 1 year of professional software development experience (beyond internships)

Proficiency with:

Languages / Frameworks

• .NET 4+, .NET Core, C#

• ASP.NET, MVC, Web API

• Entity Framework

• HTML, CSS, JavaScript, XML

Tools / Technologies

• Visual Studio (VS / VS Code)

• SQL Server (queries, data modeling, performance awareness)

• Postman, Swagger

• Git-based version control

• CI/CD pipelines (Azure DevOps or equivalent)

Experience or exposure to:

• Angular (preferred), React, or similar front-end frameworks

• RESTful APIs and microservices-based architectures

• Concurrent programming and unit testing

• Azure services (App Services, Functions, APIM, Service Bus, Azure SQL, Cosmos DB, ADF)

• SharePoint, BizTalk

• LINQ, NuGet

• Automated testing frameworks

• Observability, logging, dashboards, and performance monitoring tools

• Diagramming/charting tools (e.g., Lucidchart)

Strong analytical, problem-solving, and communication skills

Excellent attention to detail and organizational skills

Ability to manage multiple priorities and meet deadlines in a collaborative, agile team environment

Eagerness to learn, adapt, and grow within a modernization-focused IT organization

Self-starter mindset with a willingness to take ownership and contribute beyond assigned tasks