Developer Jobs in Altoona, PA

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1mo ago

Senior Software Engineer C#

Neptune Technology Group Inc. Altoona, PA

Altoona, PA

1mo ago Closed

Full time Senior .NET C Sharp

This position is no longer accepting applications (closed Sep 24, 2026).

Job Description

Neptune Technology Group Inc. is hiring a Senior Software Engineer in Altoona, PA to help build and evolve software used by customers. This role focuses on designing and implementing features across both existing products and products that are still being defined, with opportunities to mentor teammates and collaborate closely with Product Management and Architecture.

Working in an iterative delivery environment, you will contribute production-ready code, tests, and bug fixes, while also supporting other departments and participating in automated acceptance testing for new functionality.

What you’ll do

Collaborate with other team members to deliver high-quality software
Understand and enhance requirements defined by Product Management
Support Product Management and Architecture in determining solutions for customers
Implement code and test automation that make up new features
Fix product bugs and provide patches for previously released versions
Review code written by other development team members
Prioritize work effectively with minimal guidance
Demonstrate completed work at the end of every development iteration
Work with other team members and the Quality Assurance team to design and implement automated acceptance tests for new features
Create and modify web services using RESTful interfaces
Perform performance tuning and troubleshooting, including remote troubleshooting
Create and modify build definitions

Position focus

Design and implement features that modify existing software products
Design and implement features for products that do not yet exist
Provide support to internal departments and directly to Neptune Technology Group customers
Mentor less-experienced staff and share new technical knowledge within the organization
Partner with Architecture and Product Management to shape application features

Requirements

Understanding of Domain Driven Design
Expertise with C# or other .NET Framework language
Experience with RESTful web service
Experience in an iterative development environment
Experience with high-availability environments
Bachelor’s degree in Computer Science, Information Systems, or combination of education and experience

Technologies

C#
.NET
React
Typescript
Java
PHP
HTML
RESTful web service

Location: Altoona, PA (onsite)

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