Senior Full Stack Software Engineer C#/.NET & React (onsite)

HTC Global Services; Sacramento (CA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Group Health Insurance

Paid Time Off

401(k) matching

Job summary

HTC Global Services is seeking a Senior Full Stack Software Engineer specializing in C#/.NET and React to deliver modern applications across on-premises, cloud, and hybrid environments. You will build APIs, microservices, and front-end components, collaborating with product managers, architects, and engineers to translate requirements into scalable technical solutions.

You will work with Azure, AWS, and Google Cloud, implementing CI/CD pipelines and automation, while ensuring security and

Qualifications

• 7+ years of professional software engineering experience.
• Strong hands-on C# and .NET skills demonstrated in projects.
• Experience with React or modern JavaScript frameworks.
• Experience on Azure, AWS, or Google Cloud platforms.
• Proficient with DevOps, CI/CD, and automation tooling.
• Familiar with Docker, Kubernetes, Git, and agile methods.
• Work authorization to work in the United States without sponsorship.

Responsibilities

• Design, develop, and maintain software across on-prem, cloud, and hybrid.
• Build APIs, microservices, and front-end components with full-stack integration.
• Collaborate with product managers, architects, and developers to translate requirements.
• Contribute to scalable, secure, and maintainable architectures.
• Implement DevOps pipelines and automated deployments.
• Troubleshoot performance, security, and reliability issues.

Skills

C#

.NET

React

Cloud platforms

CI/CD

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Docker

Kubernetes

Git

Azure

AWS

Google Cloud

Job description

Senior Full Stack Software Engineer C#/.NET & React (onsite)

Position Overview

Build and maintain modern software solutions spanning on-premises infrastructure, cloud platforms, and hybrid environments. This role combines full-stack application development with APIs, microservices, cloud technologies, DevOps automation, and application security. You will collaborate with product managers, architects, developers, infrastructure teams, and other stakeholders to deliver scalable, secure, and maintainable business applications.

What You'll Do / Key Responsibilities

• Design, develop, and maintain software solutions using C#, .NET, and React across on-premises, cloud, and hybrid environments.
• Collaborate with product managers, architects, and developers to translate business requirements into technical specifications.
• Contribute to system architecture, focusing on scalability, performance, security, and maintainability.
• Build APIs, microservices, and front-end components, ensuring effective integration between front-end and back-end services.
• Use cloud platforms such as Microsoft Azure and AWS to develop and deploy solutions in cloud-native and hybrid environments.
• Implement DevOps practices, CI/CD pipelines, and automated deployment processes.
• Troubleshoot application performance, security, and availability issues across environments.
• Participate in code reviews and promote coding standards and software quality.
• Work with infrastructure and cloud teams to maintain stable, secure, and high-performing application environments.
• Support application transitions from on-premises infrastructure to cloud or hybrid architectures, collaborating with senior IT leadership on migration strategies.
• Monitor application performance and governance across environments and identify optimization opportunities.
• Help ensure applications comply with applicable industry regulations and internal security standards, including SOX, PCI-DSS, and other financial-sector regulations.
• Collaborate with cybersecurity teams to address application threats and vulnerabilities.
• Develop and maintain audit, risk assessment, and disaster recovery procedures for critical applications.
• Support QA processes aligned with applicable standards and regulatory requirements, including ISO, GDPR, and HIPAA where relevant.
• Maintain test documentation, including test plans, test cases, test scripts, and test data management.
• Support traceability between requirements and test cases, along with automated defect tracking and reporting.
• Stay current with relevant technology trends and frameworks, particularly in cloud and hybrid development.

Required Qualifications

• Education: Bachelor's degree in Computer Science, Software Engineering, or a related discipline.
• Experience: At least 7 years of proven experience as a Software Engineer, with strong hands-on C# and .NET skills.
• Experience with React or other modern JavaScript frameworks for front-end development.
• Experience with cloud platforms such as Microsoft Azure, AWS, or Google Cloud.
• Experience with DevOps practices, including CI/CD pipelines, containerization (e.g., Docker, Kubernetes), and automated deployments.
• Experience with version control systems such as Git and agile development methodologies such as Scrum or Kanban.
• Proficiency in building and maintaining systems across on-premises, hybrid, and cloud environments.
• Familiarity with microservices architecture, scalable APIs, and distributed systems.
• Strong knowledge of software design patterns, algorithms, and data structures.
• Strong problem-solving skills and the ability to troubleshoot and debug complex technical issues.
• Work authorization: Must be legally authorized to work in the United States without requiring, now or in the future, sponsorship for employment visa status.

Preferred Qualifications

• Relevant certifications, particularly Microsoft Certified: Azure Developer Associate or AWS Certified Developer.
• Experience with hybrid cloud strategies and solutions.
• Experience working in multidisciplinary teams and collaborating with architects, business analysts, and stakeholders.
• Familiarity with Azure DevOps and other DevOps tools for CI/CD and automation.
• Knowledge of relational and non-relational databases, including SQL Server and MongoDB.

What Makes HTC A Great Place To Build Your Future

HTC Global Services wants you to join our team. Come build new things with us and advance your career. At HTC Global, you ll collaborate with experts, work alongside clients, and be part of high-performing teams driving success together. You ll have long-term opportunities to grow your career and develop skills in the latest emerging technologies.

At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks.

Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect. We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected.

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