Full Stack Developer (.NET)

Valiant Technologies LLC; Fremont (CA); On-site; USD 110,000 - 165,000; Full time

Job summary

Valiant Technologies LLC in Fremont, California, is seeking a skilled Full Stack Developer to build scalable web applications using ASP.NET Core, C#, and React or Angular. You will design, develop, test, and maintain RESTful APIs, work with MySQL, and collaborate with cross‑functional teams to deliver robust software solutions.

AI integration familiarity is a plus. The ideal candidate has 3–6 years of experience, strong OO design, and a passion for secure, reliable software in an Agile

Qualifications

• Bachelor's degree in CS/IT or related field.
• 3–6 years of full‑stack development experience.
• Strong hands‑on experience with C#, ASP.NET Core, and RESTful APIs.

Responsibilities

• Design, develop, and maintain full‑stack web applications using ASP.NET Core, C#, and React or Angular.
• Develop robust, secure RESTful APIs and backend services.
• Design, optimize, and manage MySQL databases and write efficient queries.

Skills

C#

ASP.NET Core

RESTful APIs

React

Angular

MySQL

Git

Agile/Scrum

AI integration basics

Education

Bachelor's degree in Computer Science or related field

Tools

Git

MySQL

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization:US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description:

We are seeking a skilled and motivated Full Stack Developer to join our development team. The ideal candidate will have hands‑on experience building scalable web applications using Microsoft technologies and modern front‑end frameworks such as React or Angular. You will be responsible for designing, developing, testing, and maintaining high‑quality software solutions while collaborating with cross‑functional teams to deliver business requirements. Familiarity with AI‑powered solutions or AI integration into web applications is an added advantage.

Key Responsibilities:

• Design, develop, and maintain full‑stack web applications using ASP.NET Core, C#, and React or Angular.
• Develop robust, secure, and scalable RESTful APIs and backend services.
• Design, optimize, and manage MySQL databases, including writing efficient queries and stored procedures where required.
• Collaborate with product owners, business analysts, QA engineers, and other developers throughout the software development lifecycle.
• Troubleshoot, debug, and resolve application issues to ensure optimal performance, security, and reliability.
• Participate in code reviews and ensure adherence to coding standards, software design principles, and development best practices.
• Contribute to application architecture, technical design, and continuous improvement initiatives.
• Explore and integrate AI‑powered capabilities into applications using AI APIs, large language models (LLMs), or other AI services, where applicable.
• Maintain technical documentation for developed features, APIs, and application solutions.

Preferred Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 3–6 years of experience in full‑stack application development.
• Strong hands‑on experience with C#, ASP.NET Core, and RESTful API development.
• Experience designing and working with MySQL databases, including query optimization.
• Strong understanding of object-oriented programming principles, SOLID principles, and software design patterns.
• Experience with version control systems such as Git.
• Familiarity with Agile/Scrum development methodologies.
• Basic knowledge of AI integration, AI APIs, or LLM‑based application features is an added advantage.
• Strong analytical, problem‑solving, and debugging skills.
• Excellent communication, collaboration, and teamwork skills.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.