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Top Senior Level C# Jobs in Philadelphia, PA

255+ Job Results
5 Days Ago
United States
Remote
87 Employees
Senior level
87 Employees
Senior level
Real Estate • Security • Software • Cybersecurity • PropTech
The Staff Software Engineer will innovate and enhance CertifID's platform, collaborating closely with engineers, product managers, and designers. Responsibilities include creating high-quality software solutions, fostering code quality and documentation, participating in agile practices, mentoring peers, and contributing to a positive culture of innovation and continuous improvement.
Top Benefits:
401-K
401-K Matching
Company Equity
+48 More
6 Days Ago
United States
Remote
2,780 Employees
Senior level
2,780 Employees
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Senior Software Engineer at Applied Systems, you will develop and enhance the Applied Epic product using C#, .NET, TypeScript, and React. You will work within an Agile Scrum team, collaborate with other developers and stakeholders, and provide technical leadership. Additionally, you will mentor junior developers and contribute to improving work processes.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+53 More
7 Days Ago
United States
Remote
2,500 Employees
135K-182K Annually
Senior level
2,500 Employees
135K-182K Annually
Senior level
Fitness • Hardware • Healthtech • Retail • Software
As a Senior Software Engineer at Peloton, you will design, develop, and monitor microservices integrated with our platform and third-party partners. Your role involves writing maintainable code, leading technical discussions, engaging in code reviews, and mentoring junior engineers while contributing to the growth and evolution of the music catalog systems.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+52 More

Featured Jobs

7 Days Ago
United States
Remote
2,461 Employees
140K-259K Annually
Senior level
2,461 Employees
140K-259K Annually
Senior level
Artificial Intelligence • Cloud • Sales • Security • Software • Cybersecurity • Data Privacy
As a Site Reliability Engineering Senior Manager, you will define and implement the SRE strategy, collaborate with leadership and engineering teams, foster a culture of service ownership, and mentor the SRE team while driving innovation in reliability tools and practices.
Top Benefits:
401-K
401-K Matching
Company Outings
+53 More
9 Days Ago
United States
Remote
400 Employees
Senior level
400 Employees
Senior level
Cloud • eCommerce • Information Technology • Professional Services • Software
The Senior Implementation Engineer will lead the implementation of EDI solutions for clients, ensuring compliance with relevant standards. Responsibilities include collaborating with teams to gather requirements, diagnosing EDI issues, conducting training, and performing quality assurance. The role requires expertise in EDI technologies, programming, and database management.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+48 More
10 Days Ago
United States
Remote
2,600 Employees
Senior level
2,600 Employees
Senior level
Artificial Intelligence • Fintech • Information Technology • Software • Data Privacy
The Senior Site Reliability Engineer - Database ensures DFIN's SaaS databases are fast, stable, and optimized. Responsibilities include implementing SRE culture, optimizing database performance, automating processes, maintaining monitoring and alerting, and collaborating with teams to achieve system reliability and data security.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+64 More
11 Days Ago
United States
Remote
1,700 Employees
142K-176K Annually
Senior level
1,700 Employees
142K-176K Annually
Senior level
Cloud • Edtech • Information Technology • Software
As a Senior Salesforce Developer at Pluralsight, you'll deliver high-quality Salesforce features for various departments while collaborating with team members and mentoring juniors. You will utilize your extensive Salesforce knowledge, focusing on continuous improvement and adherence to best practices.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+74 More
15 Days Ago
United States
Remote
708 Employees
Senior level
708 Employees
Senior level
Fintech • News + Entertainment • Software • Database • Financial Services
A Senior Software Engineer at Reorg will design, build, and support enterprise-grade applications within the data technology team, utilizing C# and .NET technologies. Responsibilities include technical leadership, API development, ensuring performance, compliance with security standards, and fostering a culture of continuous improvement.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+40 More
18 Days Ago
United States
Remote
400 Employees
140K-175K Annually
Senior level
400 Employees
140K-175K Annually
Senior level
Fintech • Insurance • Machine Learning • Other • Analytics • Automation
As a Senior Backend Engineer, you will lead back-end development initiatives, create and maintain server-side APIs, improve system health, collaborate with product teams, mentor fellow engineers, and enhance operational stability by producing high-quality, modular software.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+49 More
22 Days Ago
United States
Remote
299 Employees
200K-250K Annually
Senior level
299 Employees
200K-250K Annually
Senior level
Cloud • Enterprise Web • Software
As a Member of Technical Staff at Chronosphere, you will design and implement enhancements to the metrics API and ingestion pipeline, focusing on distributed systems and data storage challenges. Your role includes collaborating with cross-functional teams, mentoring peers, and optimizing the reliability and performance of the storage engine.
Top Benefits:
401-K
Adoption Assistance
Commuter Benefits
+45 More
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