.NET Developer – 10+ years

TMS

Senior .NET Backend Developer skilled in SQL and application modernization. Engaging in backend architecture and SQL optimization within a hybrid work environment.

Posted 5/29/2026contractRemote • Plano • California, Texas • 🇺🇸 United StatesSeniorLeadWebsite

Tech Stack

Tools & technologies

Azure.NETSQL

About the role

Key responsibilities & impact

Analyze and understand existing business logic embedded in SQL queries, stored procedures, and database objects.
Design and develop backend components using .NET / .NET Core, translating database-driven logic into scalable application-layer services.
Participate in application modernization projects, including migration from legacy systems to modern, service-oriented or API-driven architectures.
Optimize SQL queries for performance, scalability, and maintainability.
Collaborate with business stakeholders, architects, and frontend teams to ensure accurate interpretation of business rules.
Develop and maintain RESTful APIs and backend services to support application functionality.
Ensure high-quality code through unit testing, code reviews, and adherence to best practices.
Support production issues, root cause analysis, and performance tuning as needed.

Requirements

What you’ll need

10+ years of experience in .NET / C# (.NET Core preferred)
Excellent SQL knowledge, including complex queries, joins, CTEs, stored procedures, and performance tuning.
Hands-on experience in application or database modernization projects.
Ability to reverse-engineer business logic from legacy SQL-based implementations.
Experience working with relational databases such as SQL Server (preferred).
Understanding of layered architecture, service-oriented design, and API development.
Familiarity with source control systems (Git, Azure DevOps, etc.).

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account TMS Website LinkedIn All Job Openings 51 - 200 employees 🤝 B2B 🤖 Artificial Intelligence ☁️ SaaS B2B
Artificial Intelligence
SaaS TMS is a leading digital product engineering company specializing in designing and building innovative solutions for modern digital experiences. As a trusted partner, TMS supports clients throughout the entire product development lifecycle from conception to commercialization, providing technical and non-technical expertise to accelerate the process. By offering services such as software applications, IoT integration, AI and ML advancement, BI & data intelligence, and more, TMS tailors strategic engagement models to shorten development cycles, ensuring faster time-to-market and greater success for its clients. .NET Developer – 10+ years Job not on LinkedIn 🔥 18 minutes ago 🏄 California, Texas – Remote ⏳ Contract/Temporary 🟠 Senior 🔴 Lead 🔙 Backend Engineer 🦅 H1B Visa Sponsor Azure SQL .NET Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Analyze and understand existing business logic embedded in SQL queries, stored procedures, and database objects.
Design and develop backend components using .NET / .NET Core, translating database-driven logic into scalable application-layer services.
Participate in application modernization projects, including migration from legacy systems to modern, service-oriented or API-driven architectures.
Optimize SQL queries for performance, scalability, and maintainability.
Collaborate with business stakeholders, architects, and frontend teams to ensure accurate interpretation of business rules.
Develop and maintain RESTful APIs and backend services to support application functionality.
Ensure high-quality code through unit testing, code reviews, and adherence to best practices.
Support production issues, root cause analysis, and performance tuning as needed. 🎯 Requirements
10+ years of experience in .NET / C# (.NET Core preferred)
Excellent SQL knowledge, including complex queries, joins, CTEs, stored procedures, and performance tuning.
Hands-on experience in application or database modernization projects.
Ability to reverse-engineer business logic from legacy SQL-based implementations.
Experience working with relational databases such as SQL Server (preferred).
Understanding of layered architecture, service-oriented design, and API development.
Familiarity with source control systems (Git, Azure DevOps, etc.). Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

.NET.NET CoreC#SQLRESTful APIsSQL Serverperformance tuningstored proceduresapplication modernizationservice-oriented architecture

Soft Skills

collaborationcommunicationproblem-solvinganalytical thinkingattention to detail