Senior Software Engineer — C#.NET, API & AWS

The Timberline Group; St. Louis (MO); On-site; USD 95,000 - 135,000; Full time

Job summary

The Timberline Group in St. Louis, MO is seeking a Senior Software Engineer to design, implement and deliver high-quality software. You will work with upper management to define requirements and lead critical projects in an Agile environment.

We value independence, strong problem solving, and backend expertise with C# .NET Core, REST APIs, and AWS. You will mentor junior developers and contribute to architectural decisions while collaborating with internal teams.

Qualifications

• Proven experience as a Senior Software Engineer.
• Ability to take a project from start to finish with self-direction.
• Strong design and problem-solving skills; hands-on backend development preferred.

Responsibilities

• Design, implement, review, test, debug, and document high-quality software
• Participate in code reviews and feature improvements
• Collaborate with teams and vendors to maintain and improve products
• Lead agile scrum processes and deliver tasks efficiently
• Choose technologies to meet business requirements

Skills

Senior Software Engineer

Self-directed

Problem-solving

Leadership

C# .NET Core

REST APIs

AWS

Git Bash

Analytical thinking

Education

BSc/BA in Computer Science or other technical degree

Tools

Jenkins

NuGet

Kubernetes

Git Bash

Job description

The Timberline Group in St. Louis, MO is seeking a Senior Software Engineer to design, implement and deliver high-quality software. You will work with upper management to define requirements and lead critical projects in an Agile environment.

We value independence, strong problem solving, and backend expertise with C# .NET Core, REST APIs, and AWS. You will mentor junior developers and contribute to architectural decisions while collaborating with internal teams.