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Top Senior Level C# Jobs in Portland, OR

255+ Job Results
11 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
12 Days Ago
United States
Remote
1,810 Employees
174K-232K Annually
Senior level
1,810 Employees
174K-232K Annually
Senior level
Cloud • Fintech • Information Technology • Machine Learning • Software • App development • Generative AI
As a Principal Software Engineer, you will define application architecture, develop and optimize cloud-based backend services, mentor junior engineers, and collaborate across teams to deliver enterprise solutions. You will also evaluate new technologies and ensure high-quality releases while driving innovation within the product suite.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+61 More
13 Days Ago
US
Remote
3,900 Employees
168K-240K Annually
Senior level
3,900 Employees
168K-240K Annually
Senior level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Senior Software Engineer, you will work on the Zero Trust desktop client, developing high-performance networking code across multiple desktop platforms while ensuring high code quality, testability, and documenting foundations. You'll need strong expertise in Windows internals and networking protocols, and collaborate closely with cross-functional teams to implement impactful features.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+60 More
14 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
15 Days Ago
United States
Remote
432 Employees
Senior level
432 Employees
Senior level
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
18 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
22 Days Ago
United States
Remote
170 Employees
Senior level
170 Employees
Senior level
Fintech • Software • Financial Services
The Staff Backend Engineer will lead technical initiatives, design and optimize server application code, and improve engineering processes. Responsibilities include mentoring other engineers, leading incident responses, and collaborating with business stakeholders on product direction while ensuring secure coding and application performance.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+38 More
23 Days Ago
United States
Remote
880 Employees
Senior level
880 Employees
Senior level
Fintech • Financial Services
The Sr. Software Engineer is responsible for designing, developing, and implementing Symitar application projects, optimizing solutions in .NET, and enhancing system operational efficiencies. They will manage multiple projects, analyze business needs, identify technical solutions, and mentor team members while ensuring compliance with relevant regulations.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+57 More
24 Days Ago
United States
Remote
900 Employees
Senior level
900 Employees
Senior level
Consumer Web • eCommerce • Enterprise Web • Events • Sports
The Engineering Manager will manage cross-functional teams, focusing on scaling development operations and empowering engineers. Responsibilities include guiding best practices, conducting performance feedback, facilitating recruitment, and collaborating on product enhancements. The role demands a strong technical background and the ability to inspire teams.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+57 More
21 Hours Ago
Portland, OR, USA
167 Employees
75K-125K Annually
Senior level
167 Employees
75K-125K Annually
Senior level
Other
The Staff Controls Engineer will design complex automated systems, utilize LabView and other programming languages, and integrate various components like PLCs, HMIs, and robots. Responsibilities include software development, hardware design, troubleshooting, and leading project teams.
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