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Top Senior Level C# Jobs in Rochester, NY

245+ Job Results
3 Hours Ago
USA
Remote
19,994 Employees
Senior level
19,994 Employees
Senior level
Artificial Intelligence • Information Technology • Machine Learning • Software • Virtual Reality • Analytics
Seeking an Associate Staff Engineer with 5+ years of experience in manual and automation testing roles. Must be comfortable with scripting in Java, C#, Python, JavaScript and have strong hands-on experience in automation tools like UFT, Selenium, Protractor, and others. Knowledge of test planning and agile methodologies is required.
3 Hours Ago
USA
Remote
19,994 Employees
Senior level
19,994 Employees
Senior level
Artificial Intelligence • Information Technology • Machine Learning • Software • Virtual Reality • Analytics
Seeking a Staff Engineer for QA Automation with 5+ years of experience in manual and automation testing roles. Must be proficient in Java, C#, Python, JavaScript scripting and have strong hands-on experience with various automation tools and frameworks. Knowledge of test planning and agile methodologies is required.
3 Hours Ago
USA
Remote
19,994 Employees
Senior level
19,994 Employees
Senior level
Artificial Intelligence • Information Technology • Machine Learning • Software • Virtual Reality • Analytics
Seeking a Staff Engineer in QA Automation with 5+ years of experience in manual and automation testing roles. Must be proficient in Java, C#, Python, and JavaScript, with strong hands-on experience in various automation tools and frameworks. Familiarity with test planning, agile methodologies, and a passion for exceeding client expectations.
13 Hours Ago
United States
Remote
108 Employees
Senior level
108 Employees
Senior level
Financial Services
As a Software Developer, you will design, develop, and support the Billhighway suite of applications. This includes unit testing, using issue tracking systems, ensuring software stability, producing documentation, and handling on-call duties. Strong proficiency in C#, SQL, JavaScript, and experience with .NET framework are required.
13 Hours Ago
United States
Remote
129 Employees
115K-117K Annually
Senior level
129 Employees
115K-117K Annually
Senior level
Software
The Senior Software Developer will design and develop web-based and mobile software products for the Common App, working on software architecture, implementing high-quality products, managing production systems, and mentoring other developers.

Featured Jobs

15 Hours Ago
8 Locations
Remote
4,900 Employees
Senior level
4,900 Employees
Senior level
Fintech • Payments
As a Software Development Manager at WEX, you will lead and mentor your team in delivering high-quality software, collaborating with Product Managers to solve customer challenges. You will drive innovation through emerging technologies, oversee technical guidance, and align engineering strategies with business objectives. Your role includes performance reviews, goal setting, and supporting professional development.
Top Benefits:
401-K
Adoption Assistance
Company Equity
+18 More
21 Hours Ago
USA
Remote
506 Employees
120K-140K Annually
Senior level
506 Employees
120K-140K Annually
Senior level
Big Data • Analytics
The Sr. Software Design Engineer will design and build scalable applications using Azure, implement front-end features, integrate external APIs, conduct testing, and ensure high quality and reliability of solutions. Collaborate with stakeholders and stay updated on new technologies.
Yesterday
United States of America
Remote
17,673 Employees
82K-172K Annually
Senior level
17,673 Employees
82K-172K Annually
Senior level
Information Technology
The NASA NCAPS Software Developer III will design, develop, and enhance software applications, troubleshoot production issues, conduct feasibility analysis, and support software user manual development while being part of a large-scale IT transformation effort for NASA.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+19 More
Yesterday
5 Locations
Remote
3,273 Employees
Senior level
3,273 Employees
Senior level
Other
The Systems Engineer will design and implement hardware and software solutions for industrial control systems, focusing on automation and programming of PLCs and HMIs. Responsibilities include system design, schematic layouts, simulation, testing, and commissioning with 20% travel required.
Top Benefits:
401-K
Health Insurance
Yesterday
USA
Remote
424 Employees
100K-120K Annually
Senior level
424 Employees
100K-120K Annually
Senior level
Insurance • Financial Services
The Senior .NET Developer will collaborate with team members to design, develop, and maintain a cloud-first, API driven dynamic insurance platform. Responsibilities include writing high quality code, participating in the entire project lifecycle, testing and deploying applications, and enhancing software capabilities through continuous improvement.
Yesterday
United States
Remote
71 Employees
Senior level
71 Employees
Senior level
Artificial Intelligence • Legal Tech • Software • Business Intelligence • Generative AI
As a Senior Software Engineer, you will shape and scale cloud-native platforms, focusing on developing secure and performant solutions while leading technical efforts in API development and database implementation. You will also enhance DevSecOps practices and mentor team members.
Top Benefits:
401-K
Company Equity
Company Outings
+47 More
Yesterday
USA
Remote
34 Employees
Senior level
34 Employees
Senior level
Big Data • Analytics
The Staff Software Engineer will design and optimize software applications, mentor team members, lead complex projects, conduct code reviews, and collaborate across teams. This role focuses on utilizing software development expertise to drive innovation in climate technology and improve forecasting capabilities.
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