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Senior C# Jobs (NOW HIRING)

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Senior C information

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$25K

$80.3K

$163.5K

How much do senior c# jobs pay per year?

As of Sep 8, 2026, the average yearly pay for senior c# in the United States is $80,287.00, according to ZipRecruiter salary data. Most workers in this role earn between $41,500.00 and $103,000.00 per year, depending on experience, location, and employer.

What is a senior C# developer?

Senior C# developers are experienced software engineers who specialize in using the C# programming language to design, develop, and maintain complex software applications. They often take on leadership roles within development teams, mentor junior developers, and contribute to architectural decisions. Their expertise usually covers a wide range of technologies related to the .NET ecosystem, and they are responsible for ensuring code quality, performance, and scalability in software projects.

What are the key skills and qualifications needed to thrive as a senior C# developer?

To thrive as a Senior C# Developer, you need a deep understanding of C# programming, object-oriented design, and software development principles, typically backed by a degree in computer science or related experience. Expertise in .NET frameworks, version control systems like Git, and familiarity with cloud platforms or CI/CD tools is commonly required, along with relevant certifications such as Microsoft Certified: Azure Developer Associate. Strong problem-solving, leadership, and communication skills help you manage complex projects and mentor junior developers. These competencies ensure efficient software delivery, high code quality, and effective team collaboration in demanding technical environments.

What are some common challenges faced by senior C# developers when working on large-scale enterprise applications?

Senior C# developers often encounter challenges such as managing complex codebases, ensuring high performance, and maintaining scalability in large-scale enterprise applications. They are also responsible for implementing best practices in code architecture, integrating with various systems, and mentoring junior team members. Collaboration with cross-functional teams—such as QA, DevOps, and UI/UX designers—is essential to deliver robust and maintainable solutions, making strong communication and problem-solving skills vital for success in this role.

What is the difference between Senior C# vs .NET Developer?

AspectSenior C#.NET Developer
Required CredentialsBachelor's in CS or related, experience in C#Bachelor's in CS or related, experience in .NET framework
Work EnvironmentSoftware development teams, enterprise applicationsWeb, desktop, or enterprise app development teams
Industry UsageUsed across industries for backend developmentUsed in similar industries, often overlapping with C# roles
Search & Comparison IntentOften compared for backend and application development rolesCommonly compared with Senior C# for similar development tasks

Senior C# developers focus specifically on advanced C# programming within various projects, while .NET Developers work broadly with the .NET framework, which includes C# but also other languages. Both roles require similar credentials and are used in comparable work environments, making them frequently compared by employers and job seekers.

Are senior C# jobs in demand?

Senior C# developer roles are in high demand due to the widespread use of C# in enterprise applications, game development, and cloud services. Employers seek professionals with strong programming skills, experience with .NET frameworks, and knowledge of modern development practices, making these positions consistently available across various industries.
More about Senior C jobs

What are the most commonly searched types of C# jobs?

The most popular types of C# jobs are:

What states have the most Senior C# jobs?

States with the most job openings for Senior C# jobs include:

Infographic showing various Senior C# job openings in the United States as of July 2026, with employment types broken down into 91% Full Time, 7% Part Time, and 2% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $80,287 per year, or $38.6 per hour.

6490 - Senior C&Q Engineer / Senior Validation Engineer

Verista, Inc.

Devens, MA • On-site, Remote

$116K - $159K/yr

Full-time

Posted 14 days ago


Key responsibilities

  • Lead and support Commissioning & Qualification (C&Q/CQV) activities for GMP facilities, utilities, equipment, and manufacturing systems throughout the project lifecycle.

  • Develop, review, and execute C&Q deliverables including protocols, risk assessments, test plans, qualification reports, and documentation management.

  • Coordinate C&Q execution activities, including scheduling, field execution, evidence collection, punch-list management, discrepancy resolution, and documentation closeout.


Job description

Senior Validation Engineer Responsibilities:

  • Lead and support Commissioning & Qualification (C&Q/CQV) activities for GMP facilities, utilities, equipment, and manufacturing systems throughout the project lifecycle.
  • Develop, review, and execute C&Q deliverables including URS, risk assessments, DQ, FAT/SAT, commissioning test plans, IQ/OQ/PQ protocols, traceability matrices, and qualification summary reports.
  • Coordinate C&Q execution activities, including protocol scheduling, field execution, test evidence collection, punch-list management, discrepancy/deviation resolution, retesting, and final documentation closeout.
  • Support development and implementation of risk-based qualification strategies in accordance with GMP requirements, ASTM E2500, GEP, and applicable site/client procedures.
  • Author, review, and update C&Q procedures, protocols, work instructions, commissioning documents, test scripts, templates, and qualification reports in accordance with Good Documentation Practices.
  • Manage C&Q documentation through electronic document management and digital qualification platforms, ensuring proper formatting, metadata, traceability, approvals, and document lifecycle control.
  • Support digital C&Q execution and documentation, including configuration and use of Kneat or similar C&Q/validation platforms, electronic protocols, test evidence, workflows, and qualification records.
  • Coordinate with Engineering, Automation, Quality, Operations, Maintenance, Facilities, IT, Subject Matter Experts, site teams, and external vendors to ensure C&Q activities are aligned with project schedules and operational requirements.
  • Maintain C&Q project trackers covering protocol status, execution progress, open actions, punch-list items, deviations, documentation readiness, system turnover, and qualification closeout.
  • Support facility and equipment turnover, commissioning completion, qualification readiness, and operational handoff to site teams.
  • Provide clear status updates on C&Q progress, schedule, risks, issues, dependencies, and outstanding actions to project and site leadership.
  • Support inspection and audit readiness by ensuring C&Q documentation is complete, traceable, technically justified, and compliant with applicable GMP requirements.
  • Support multiple concurrent C&Q projects and priorities while maintaining quality, schedule, and documentation requirements across a global, cross-functional organization.

Requirements:

  • Bachelor's degree in Engineering, Life Sciences, or another industry-related technical discipline.
  • 5+ years of experience in C&Q/CQV, commissioning, qualification, validation, engineering, or technical project execution within regulated pharmaceutical, biotech, or life sciences environments.
  • Demonstrated hands-on experience with commissioning and qualification of GMP facilities, utilities, equipment, manufacturing systems, or laboratory systems.
  • Strong working knowledge of C&Q methodologies and deliverables, including URS, DQ, FAT/SAT, commissioning, IQ/OQ/PQ, traceability, risk assessments, deviations, and qualification summary reports.
  • Working knowledge of GMP, GEP, ASTM E2500, risk-based qualification, and Good Documentation Practices.
  • Kneat Power User Level 1 (or higher) certification highly preferred, with hands-on experience using Kneat or similar digital C&Q/validation platforms.
  • Experience authoring, reviewing, and executing C&Q protocols, test scripts, commissioning documents, qualification reports, SOPs, work instructions, and other controlled documentation.
  • Experience coordinating field execution with Engineering, Quality, Operations, Automation, Maintenance, vendors, and other cross-functional stakeholders.
  • Familiarity with punch-list management, discrepancy/deviation resolution, change control, turnover, system handoff, and C&Q closeout activities.
  • Strong understanding of requirements traceability, test evidence, documentation workflows, and qualification lifecycle management.
  • Experience with HP ALM/Quality Center, Jira, or other project/test-management platforms preferred.
  • Experience with BMS, Documentum, Veeva Vault, or other electronic document management systems preferred.
  • Experience supporting large-scale pharmaceutical/biotech capital projects, facility expansions, equipment installations, or multi-site C&Q programs preferred.
  • Strong written and verbal communication, organizational, problem-solving, and stakeholder-management skills.
  • Ability to manage multiple priorities and work independently within a global, cross-functional project environment
  • This role is remote; limited travel to client sites may be requested with advance notice.