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Top Senior Level .NET Developer Jobs in Washington DC,

205+ Job Results
7 Days Ago
Washington, DC, USA
Hybrid
40,000 Employees
112K-191K Annually
7+ Years of Experience
40,000 Employees
112K-191K Annually
7+ Years of Experience
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
As a Software Development Manager, you will lead software development initiatives, manage teams through the software development life cycle, oversee quality assurance, participate in project planning, and mentor team members. You are required to ensure software alignment with business goals, maintain effective working relationships, and support the development of high-performance teams.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+58 More
20 Hours Ago
United States
Remote
560 Employees
5-7 Years of Experience
560 Employees
5-7 Years of Experience
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
2 Days Ago
United States
Remote
900 Employees
7+ Years of Experience
900 Employees
7+ Years of Experience
Consumer Web • eCommerce • Enterprise Web • Events • Sports
SeatGeek is looking for Software Engineers to join their R&D team. Responsibilities include running a modern architecture, shipping code to production, solving performance problems, building user interfaces, and evaluating new technologies. The tech stack includes Python, Go, C#, .NET Core, Postgres, Redis, Elasticsearch, AWS, Gitlab, React+Typescript, Swift, and Kotlin.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+57 More

Featured Jobs

2 Days Ago
United States
Remote
2,600 Employees
7+ Years of Experience
2,600 Employees
7+ Years of Experience
Artificial Intelligence • Fintech • Information Technology • Software • Data Privacy
As a Principal Site Reliability Engineer, you will own projects end to end, ensuring the delivery of high-quality SaaS solutions for regulatory clients. Responsibilities include championing SRE culture, optimizing performance, implementing CI/CD pipelines, and automating operational tasks while mentoring teams and staying updated with the latest technologies.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+64 More
2 Days Ago
United States
Remote
50 Employees
160K-175K Annually
5-7 Years of Experience
50 Employees
160K-175K Annually
5-7 Years of Experience
Information Technology • Security • Software • Cybersecurity
The Technical Software Engineering Manager will lead and mentor software engineering teams to deliver innovative technologies. Responsibilities include managing product development initiatives, overseeing the software engineering process, collaborating with product management on roadmaps, and ensuring best practices are adopted. The role also focuses on talent recruitment, team development, and communication of technical risks.
Top Benefits:
401-K
401-K Matching
Company Equity
+28 More
4 Days Ago
United States
Remote
432 Employees
7+ Years of Experience
432 Employees
7+ Years of Experience
Software
The Senior Software Developer will enhance HCSS products, analyze and improve existing database schema, implement significant features, mentor junior developers, and ensure high-quality service by leading code reviews and promoting best practices within a collaborative development team.
Top Benefits:
401-K
401-K Matching
Company Equity
+44 More
5 Days Ago
United States
Remote
1,900 Employees
125K-167K Annually
7+ Years of Experience
1,900 Employees
125K-167K Annually
7+ Years of Experience
Cloud • Fintech • Information Technology • Machine Learning • Software • App development
As a Senior Software Engineer at BlackLine, you will design, develop, and maintain full-stack cloud-based solutions. You'll lead technical discussions, mentor team members, and enhance system configurability and interoperability. The role requires a strong focus on usability, scalability, and business value while delivering high-quality, secure backend services.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+53 More
6 Days Ago
United States
Remote
2,780 Employees
5-7 Years of Experience
2,780 Employees
5-7 Years of Experience
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
The Senior Software Engineer will participate in the full software development lifecycle for a Commercial Lines insurance software product, focusing on the development of a web-based solution using Agile methodologies, maintaining microservices and RESTful APIs, and mentoring peers while ensuring security and scalability.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+49 More
7 Days Ago
United States
Remote
2,800 Employees
120K-202K Annually
5-7 Years of Experience
2,800 Employees
120K-202K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
As a Senior Developer Advocate, you will lead the Developer Advocacy function, creating strategies and content to engage developers using Samsara's platform. You will collaborate across teams to drive feature development, provide resources like guides and tutorials, and gather feedback to shape developer offerings.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+57 More
7 Days Ago
United States
Remote
10,000 Employees
135K-210K Annually
7+ Years of Experience
10,000 Employees
135K-210K Annually
7+ Years of Experience
Cloud • Information Technology • Sales • Security • Cybersecurity
The role involves leading backend engineering efforts for large-scale applications, building services for authentication and authorization, improving architecture, mentoring team members, and engaging with the open source community. The engineer will work with cloud-based systems and ensure the scalability and performance of backend services.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
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