Senior Software Engineer II — Lead .NET Microservices

Portage Learning Careers; Beaver Falls (Beaver County); On-site; USD 110,000 - 150,000; Full time

Job summary

Portage Learning Careers seeks an Experienced Senior Software Engineer II to design, build, and maintain enterprise RESTful APIs and microservices using C# and the .NET ecosystem. You will collaborate with project teams to modernize legacy systems, ensure security, and deliver high-performance solutions.

You will mentor junior engineers, participate in architecture reviews, and drive best practices across the Engineering department while contributing to scalable, reliable software in a dynamic,

Qualifications

• An undergraduate or graduate degree in Computer Science or related field.
• Five (5) years of industry experience required.
• Strong experience in C#, .NET, ASP.NET, JavaScript/Typescript, React, Angular.
• Hands on experience developing RESTful APIs, JSON integration and API versioning/compatibility standards.
• Deep understanding of OOP and SOLID design principles.
• Experience with microservices, event-driven architectures, and cloud platforms (AWS/Azure/GCP).
• Proven ability to mentor junior team members and lead feature implementation.

Responsibilities

• Design, develop, and deploy enterprise RESTful APIs and microservices using C# and .NET.
• Adhere to SOLID principles, patterns, and secure coding standards across the platform.
• Contribute to system modernization and migration of legacy code to modern .NET platforms.
• Write efficient, high-performing code and assist with database design and optimization.
• Create technical design docs, participate in reviews, and conduct code reviews for peers.
• Mentor mid-level and junior engineers to uplift technical capabilities.

Skills

C#

.NET

ASP.NET

JavaScript/TypeScript

React

Angular

OOP

SOLID design

RESTful APIs

Microservices

Cloud (AWS/Azure/GCP)

CI/CD

Mentoring

Education

Bachelor's in CS or related field

Tools

RabbitMQ

Kafka

SQL

Job description

Portage Learning Careers seeks an Experienced Senior Software Engineer II to design, build, and maintain enterprise RESTful APIs and microservices using C# and the .NET ecosystem. You will collaborate with project teams to modernize legacy systems, ensure security, and deliver high-performance solutions.

You will mentor junior engineers, participate in architecture reviews, and drive best practices across the Engineering department while contributing to scalable, reliable software in a dynamic,