Mid-Level Full Stack Developer (.NET Core / SQL)

Company: ENSYTE Energy Software Int'l, Inc.
Location: Houston
Posted on: February 21, 2026

Job Description:

Job Description Job Description Overview We are seeking a mid-level Full Stack Developer to help design, build, and maintain our core platform , which is used by a diverse range of companies within the natural gas industry . This role offers the opportunity to work on business-critical applications that customers rely on every day. You’ll collaborate with product owners, designers, and QA to deliver reliable, scalable software solutions in a supportive Agile environment. This position is well-suited for developers who enjoy hands-on development, problem-solving, and growing their skills while working on meaningful, real-world systems. Key Responsibilities Develop and maintain full-stack application features that support our core platform and its users Implement business requirements using C#, .NET Core, and SQL Server or Oracle with a focus on clean, maintainable code Build and support RESTful APIs consumed by front-end applications and internal services Develop and enhance user-facing functionality with a focus on usability, performance, and reliability Write, optimize, and maintain SQL queries to ensure data accuracy and application performance Collaborate with product owners, QA, and other developers in an Agile/Scrum environment to deliver features on schedule Participate in code reviews to maintain code quality and consistency Troubleshoot and resolve bugs and production issues across the application stack Contribute to continuous improvements in code quality, performance, and development processes Required Qualifications 3 years of experience as a Full Stack Developer (mid-level) Strong experience with .NET Core (C#) Solid experience with SQL Server and/or Oracle , including queries, stored procedures, and performance tuning Experience building and supporting web-based applications Working knowledge of REST APIs Proficiency in HTML, CSS, JavaScript, and TypeScript Experience using Git or other version control systems Strong problem-solving skills and attention to detail Ability to work effectively in an Agile/Scrum team environment Nice to Have Experience with Azure or AWS Familiarity with Entity Framework Core or other ORM tools Experience with CI/CD pipelines (Azure DevOps, GitHub Actions, etc.) What We Offer Competitive salary and benefits package Flexible work arrangements (remote or hybrid options) Opportunities to work on a core industry platform with real-world impact Professional development and learning opportunities A collaborative team environment where your contributions are valued If you enjoy building dependable, scalable software and want to work on a platform serving the natural gas industry, we’d love to hear from you. Company Description ENSYTE is a key player with 40 years of history providing best in class Natural Gas Software Applications for Natural Gas supply chains that help our customers simplify operations, manage risk, and gain a competitive edge through digital transformation and software engineering. We are hard at work building the next generation of our flagship product. Now, we’re expanding our team to continue pushing the boundaries of what’s possible. Company Description ENSYTE is a key player with 40 years of history providing best in class Natural Gas Software Applications for Natural Gas supply chains that help our customers simplify operations, manage risk, and gain a competitive edge through digital transformation and software engineering. We are hard at work building the next generation of our flagship product. Now, we’re expanding our team to continue pushing the boundaries of what’s possible.

Keywords: ENSYTE Energy Software Int'l, Inc., Missouri City , Mid-Level Full Stack Developer (.NET Core / SQL), IT / Software / Systems , Houston, Texas