Senior Software Engineer (.Net)

Marlabs; Coppell (TX); On-site; USD 120,000 - 150,000; Full time

Job summary

Marlabs is seeking a Senior Software Engineer (.Net) to design, develop, and support enterprise applications. You will collaborate with stakeholders, architects, product teams, and fellow engineers to deliver scalable software across the full software development lifecycle, leveraging .NET Framework/Core and REST APIs.

The ideal candidate has 12+ years of software development experience, cloud exposure (Azure preferred), and comfort mentoring junior developers in an Agile environment.

Qualifications

• 12+ years of software development experience with C#, .NET.
• Experience building modern web applications and APIs using REST, Angular/React.
• Familiarity with SDLC, Agile/Scrum, CI/CD, and testing.
• Azure cloud experience and familiarity with AI concepts (LLMs, RAG) preferred.

Responsibilities

• Design, develop, test, deploy, and maintain scalable enterprise applications.
• Collaborate with stakeholders, architects, and project teams to gather requirements and deliver solutions.
• Develop APIs, backend services, databases, and user-facing applications with focus on performance and reliability.
• Troubleshoot complex issues across multiple environments and provide root-cause analysis.
• Create technical documentation, participate in code reviews, and ensure quality standards.
• Mentor junior developers and contribute to Agile ceremonies and delivery success.

Skills

C#

.NET Framework

.NET Core

T-SQL

REST APIs

JavaScript

Entity Framework

Angular

React

TypeScript

HTML

CSS

Agile/Scrum

CI/CD

Azure

LLMs

Education

Tools

Git

Visual Studio

Azure DevOps

Swagger/OpenAPI

Job description

Marlabs, a global AI and Digital Solutions Consulting firm, delivers intelligent solutions across AI, data, analytics, and product engineering. Since 2000, we have partnered with some of the largest healthcare, life sciences, financial services, and government organizations worldwide. As we continue to expand our global footprint, we have an exciting opportunity for a highly skilled Senior Software Engineer (.Net) to join our innovative and dynamic team.

Senior Software Engineer (.Net) | About the Role

As a Senior Software Engineer (.net), you will be responsible for designing, developing, and supporting enterprise applications that drive business value and operational efficiency. You will work closely with business stakeholders, architects, product teams, and fellow engineers to deliver scalable, high-quality software solutions throughout the full software development lifecycle. The ideal candidate combines strong .NET development expertise with modern application architecture, cloud technologies, and Agile delivery practices to solve complex business challenges and mentor junior team members.

This position requires the ability to convert to a full-time employment with the client without requiring employer sponsorship, now or in the future. No C2C arrangements.

Senior Software Engineer (.Net) | Day-to-Day

• Design, develop, test, deploy, and maintain scalable enterprise applications using modern software engineering principles and best practices.
• Collaborate with business stakeholders, architects, and project teams to gather requirements, evaluate technical solutions, and deliver high-quality software aligned with business objectives.
• Develop and support APIs, backend services, database solutions, and user-facing applications while ensuring performance, scalability, and reliability.
• Conduct troubleshooting, root cause analysis, and resolution of complex application and system issues across multiple environments.
• Create and maintain technical documentation, participate in code reviews, and ensure adherence to development, quality assurance, and change management standards.
• Mentor junior developers, provide technical guidance, and contribute to Agile ceremonies, continuous improvement initiatives, and project delivery success.

Senior Software Engineer (.Net) | Skills & Experience

• 12+ years of software development experience with strong expertise in C#, .NET Framework, .NET Core, T-SQL, and enterprise application development.
• Hands-on experience building modern web applications and APIs, including JavaScript, REST APIs, Entity Framework, and service-oriented architectures.
• Experience with front-end technologies such as Angular, React, TypeScript, HTML, and CSS preferred.
• Strong understanding of the Software Development Lifecycle (SDLC), Agile/Scrum methodologies, source control, testing frameworks, CI/CD, and modern development practices.
• Experience with cloud technologies (Azure preferred) and familiarity with AI technologies such as LLMs, RAG architectures, or Graph-based solutions is highly desirable; mortgage origination industry experience is a plus.