Senior Software Engineer

Systems & Methods, Inc. (SMI); San Antonio (TX); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

medical/dental insurance

a 401(K) plan

HSA/Flexible Spending Account

paid holidays/paid time off

profit-sharing

Job summary

Systems & Methods, Inc. (SMI) is seeking a Full Stack Software Engineer to develop robust, scalable applications in a financial context within a multi-state private company. You will work across front-end and back-end layers, leveraging .NET, C#, MS SQL, NoSQL, and modern UI tech to deliver high-performance systems.

Collaboration with cross-functional teams is essential. You will own code quality, participate in CI/CD, mentor juniors, and stay current with industry trends while contributing to a

Qualifications

• Strong experience in .NET development using C#.
• Expertise in MS SQL Server database design, queries and performance tuning.
• Solid understanding of NoSQL databases such as MongoDB, Cassandra or Redis.
• Experience with ASP.NET Core, Entity Framework, and Web API.
• Proficiency in front-end technologies HTML5, CSS3, JavaScript.
• Experience with front-end frameworks React.js, Angular or Vue.js.
• Version control systems knowledge.
• Cloud platforms such as Azure or AWS.
• Experience with CI/CD pipelines and automated testing frameworks.

Responsibilities

• Develop, test, and maintain full-stack web applications using .NET, C#, MS SQL, and NoSQL databases.
• Design and implement server-side logic and components.
• Develop RESTful APIs and integrate them with front-end applications.
• Build responsive front-end interfaces using modern technologies.
• Collaborate with stakeholders to understand requirements and deliver solutions.
• Write clean, maintainable code following best practices and standards.
• Optimize applications for speed and scalability.
• Perform code reviews and mentor junior developers.
• Troubleshoot and resolve issues in production and development environments.
• Collaborate with DevOps for CI/CD and deployment.
• Stay current with industry trends and emerging technologies.
• Work as a team to meet deadlines with a get-it-done attitude.

Skills

C#

ASP.NET Core

Web API

HTML5

CSS3

JavaScript

React.js

Angular

Vue.js

MS SQL Server

NoSQL databases

MongoDB

Cassandra

Redis

Azure

AWS

CI/CD pipelines

Automated testing

Tools

MongoDB

Cassandra

Redis

Docker

Kubernetes

Jenkins

Azure

AWS

Version Control Systems

Job description

It’s fun to work in a company where people truly BELIEVE in what they’re doing!
We’re committed to bringing passion and customer focus to the business.

SMI is one of the most highly regarded technology producers in the human services field. We develop state-of-the-art solutions for complex human service operations. To maintain our prominence in this competitive industry, SMI recruits individuals who are technical, creative, client-focused, and most importantly willing to go the Extra Mile. In over 50 years as a family-owned and operated business, SMI considers its employees and clients part of an extended family. We are a family serving families. Our culture is one of teamwork, dedication, empowerment, and a strong emphasis on work-life balance. We offer an optimal atmosphere for career growth and achievement while remaining competitive in terms of compensation and benefits. We are a multi-state operation and administrative private company with a staff of over 650 employees throughout the United States. We depend on the expertise of our SMI team to support and develop the very best systems and product lines in the industry and expect continued innovation. If you are looking for a meaningful and fulfilling career, we hope that you will consider SMI.

Position Overview:

As a Full Stack Software Engineer, you will play a key role in developing robust and scalable applications, focusing on both front-end and back-end development. You will collaborate with cross-functional teams to deliver seamless user experiences and high-performance systems. Experience in the financial sector is highly preferred.

Key Responsibilities:

• Develop, test, and maintain full-stack web applications using .NET, C#, MS SQL, and NoSQL databases.
• Design and implement server-side logic and components.
• Develop RESTful APIs and integrate them with front-end applications.
• Build responsive and user-friendly front-end interfaces using modern front-end technologies.
• Collaborate with business stakeholders to understand requirements and deliver optimal solutions.
• Write clean, maintainable, and efficient code following best practices and coding standards.
• Optimize applications for maximum speed and scalability.
• Perform code reviews and mentor junior developers.
• Troubleshoot, debug, and resolve issues in production and development environments.
• Collaborate with DevOps to ensure smooth deployment and continuous integration.
• Stay current with industry trends and emerging technologies.
• Work as a team player to ensure project success, demonstrating a “get it done” attitude and taking ownership of tasks to meet deadlines.

Skills & Qualifications:

Required:

• Strong experience in .NET development using C#.
• Expertise in MS SQL Server database design, queries, and performance tuning.
• Solid understanding of NoSQL databases such as MongoDB , Cassandra , or Redis.
• Experience with ASP.NET Core, Entity Framework , and Web API.
• Proficiency in front-end technologies such as HTML5 , CSS3 , and JavaScript.
• Experience with front-end frameworks like React.js , Angular , or Vue.js.
• Familiarity with Version Control Systems.
• Knowledge of Azure , AWS , or other cloud platforms.
• Experience with CI/CD pipelines and automated testing frameworks.

Preferred:

• 8-10 years of Experience in .NET development (MUST HAVE)
• Experience in the financial sector , understanding of financial/payment systems.
• Familiarity with DevOps practices and tools (e.g., Docker, Kubernetes, Jenkins, IaC).
• Knowledge of microservices architecture.
• Experience with unit testing frameworks (e.g., NUnit, MSTest).
• Strong understanding of design patterns and software architecture principles.
• Good understanding of Agile methodologies (Scrum/Kanban).

• medical/dental insurance
• a 401(K) plan
• HSA/Flexible Spending Account
• paid holidays/paid time off
• profit-sharing

To learn more about the SMI Culture, please visit our website: https://www.smi-inc.com/family/culture

We are an Equal Opportunity Employer. We are a Drug-Free Workplace.