Senior C# Application Developer jobs in Portland, OR

Remote or Maumee, Ohio

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Today

Job Summary: The Senior Back-End Software Developer will be responsible for designing and developing scalable, secure, and high-performance back-end web-based applications and services, including maintenance, testing, and debugging. In addition to development, this individual will collaborate with a team of developers and occasionally assist junior developers in all facets of software development. Job Goals: Contribute to all stages of the software development lifecycle, from feasibility, soluti

Sponsored

Full-time

Compensation information provided in the description

Senior Application Developer - Charles River Development (CRD)

Gresham, Oregon

•

Today

We are looking for a Senior Application Developer to join our Charles River Development (CRIMS) team within Fisher Investments Technology. You will combine deep business domain expertise with hands-on technical skills using Java, Python, C#, SQL, REST APIs, and CRD's own API and automation frameworks. The Opportunity: You will support Charles River-driven workflows across Portfolio Engineering, Optimization, Guidelines, Implementation, Trading, and Trade Operations. You will collaborate with P

Full-time

USD 125,000.00 - 165,000.00 per year

ITPA12 - Senior Application Developer

Remote or Lansing, Michigan

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Today

Salary: $33.45 - $48.09 Hourly Location : Lansing, MI Job Type: Permanent Full Time Remote Employment: Flexible/Hybrid Job Number: 0801-26-21-175AM Department: Technology, Management and Budget Opening Date: 08/12/2026 Closing Date: 8/26/2026 11:59 PM Eastern Bargaining Unit: NON-EXCLUSIVE REPRESENTED EMPLOYEE (NERE) Job Description The supports the business operations of state agencies through a variety of services, including building management and maintenance, information technology, centrali

Full-time

USD 33.45 - 48.09 per hour

Senior .NET Backend Developer with Azure Cloud || REMOTE

Remote

•

Today

Senior .NET Backend Developer with Azure Cloud || REMOTE Senior .NET Backend Developer with Azure Cloud experience to join a core development team. The ideal candidate will have a minimum of 9 years of hands-on experience developing enterprise applications using Microsoft .NET technologies and modern cloud platforms. This role requires strong backend development expertise, experience with Angular, Azure services, CI/CD pipelines, and relational databases. We are looking for a reliable profession

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Contract

Depends on Experience

Senior Software Engineer - Application Development & Systems

Remote

•

Today

Date Posted: 08/14/2026 Hiring Organization: Rose International Position Number: 505768 Industry: Financial Services Job Title: Senior Software Engineer - Application Development & Systems Job Location: Remote, USA Work Model: Remote Shift: 8 AM - 5 PM CST Mon - Fri Employment Type: Temporary FT/PT: Full-Time Estimated Duration (In months): 4 Min Hourly Rate($): 70.00 Max Hourly Rate($): 76.00 Must Have Skills/Attributes: Communications, Software Development, Technical Experience Desired

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Full-time

USD 70.00 per hour

Lead Mobile App Developer/Architect

Remote or Virginia

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Today

Sony Electronics Inc. is looking for the risk-takers, the collaborators, the inspired and the inspirational. We want the people who are brave enough to work at the cutting edge and create solutions that will enrich and improve the lives of people across the globe. In addition to competitive pay and benefits, we offer an environment and culture that promotes Diversity, Equity and Inclusion. In addition, our team members enjoy innovative work-life balance opportunities including a hybrid home/offi

Full-time

USD 116,157.00 - 154,877.00 per year

Senior Application Developer - Charles River Development (CRD)

Camas, Washington

•

Today

We are looking for a Senior Application Developer to join our Charles River Development (CRIMS) team within Fisher Investments Technology. You will combine deep business domain expertise with hands?on technical skills using Java, Python, C#, SQL, REST APIs, and CRD\'s own API and automation frameworks. The Opportunity: You will support Charles River?driven workflows across Portfolio Engineering, Optimization, Guidelines, Implementation, Trading, and Trade Operations. You will collaborate with

Full-time

Compensation information provided in the description

SENIOR APPLICATION DEVELOPER

Remote

•

Today

Job Overview: Customer: Internal Revenue Services (IRS) Location: Remote, with occasional onsite support for meetings, deployments, production activities, or knowledge transfer as required. Clearance: No clearance required. Position Summary: Lead the design, development, modernization, and support of enterprise middleware and API integration services supporting the Internal Revenue Service (IRS). This position will provide technical leadership for enterprise integration solutions utilizing J

Full-time

Lead Software Developer in Test (C#)

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 client is hiring for a Lead Software Developer in Test to assist the project team with driving quality-centric practices into their software development processes and will also be responsible for working closely with the project teams to guide their use of test automation assets and consult on the creation and use of new test automation. The role is open to fully remote but candidates but must be willing to work ET hours within the United States. Day-to-Day Responsibilities: - S

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Contract

DOE

Senior UiPath RPA Developer

Remote

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Today

Job Title: Senior UiPath RPA Developer (UiARD) Location: US Remote Preferred: East Coast Key Responsibilities Design, develop, test, deploy, and maintain robust RPA solutions using UiPath. Work hands-on throughout the entire automation development lifecycle, from requirements analysis through production deployment and support. Develop scalable and reusable automation components following UiPath best practices. Build solutions using UiPath Studio, Orchestrator, REFramework, and asso

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Third Party, Contract

Depends on Experience

IT Application Development - Senior/Specialist

Remote or Olympia, Washington

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Today

Salary : $99,300.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-2082-06536 Department: Liquor and Cannabis Board Division: Information Technology Services Opening Date: 08/07/2026 Description WSLCB Vision Safe communities for Washington State Mission Promote public safety, public health, and trust through fair administration, education, and enforcement of liquor, cannabis, tobacco and vapor l

Full-time

USD 99,300.00 - 133,608.00 per year

Application Developer

Remote or Houston, Texas

•

Today

Maddisoft has the following immediate opportunity, let us know if you or someone you know would be interested. Send in your resume ASAP. - U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. Send in resume along with LinkedIn profile without which applications will not be considered. Call us NOW! Visa sponsorship is available for this position. Job Title: Application Developer Location: Remote (In-person attendance may be required for some on-site meetings) Descripti

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Full-time, Part-time, Contract, Third Party

C# T-SQL Developer w/Google Cloud Platform - Remote

Remote or Allen, Texas

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Remote C# T-SQL Developer w/Google Cloud Platform. Summary: We are seeking an experienced C# Developer to join a high-performing payments technology team supporting a large-scale cloud migration initiative. This role will focus on enhancing backend applications, performing complex database updates, and helping modernize systems as they transition to Google Cloud Platform (Google Cloud Platform). The ideal candidate is a hands-on developer

Contract

$50 - $65 hourly

Lead Full-Stack Application Developer - Remote (.NET & Azure)

Remote

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5d ago

Prominent is seeking an experienced Lead Full-Stack Application Developer to provide hands-on technical leadership and end-to-end ownership of Azure application development within distributed Scrum teams. You will partner with cross-functional teams across multiple locations to deliver resilient, scalable solutions while promoting CI/CD, DevSecOps, and engineering best practices.You''ll work directly with stakeholders, leadership, and development teams to translate business requirements into agi

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Contract

Depends on Experience

Application Developer

Remote

•

Yesterday

Title: Application DeveloperDescription The TRS is undertaking a comprehensive, multiyear modernization initiative to replace aging legacy systemsincluding full retirement of the ALICE platformand transition to a unified, cloud native environment. This effort centers on building MyPAS 3.0, a modern Azure-hosted pension administration system that integrates seamlessly with MyTRS and MyERS. TRS serves a large and diverse membership of over 210,000 employees and retirees across more than 600 school

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Contract

60 - 75

Lead Application Developer

Remote or Bethesda, Maryland

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Today

Analytica is seeking a Senior Developer / Task Lead to support a mission-critical, high-visibility federal government program. The ideal candidate will serve as a technical leader responsible for overseeing the design, development, and delivery of enterprise applications while ensuring alignment with federal compliance, performance, and security standards. This role combines hands-on development with leadership responsibilities across the full software development lifecycle. Analytica has been

Full-time

Application Developer

Remote

•

4d ago

Arthur Lawrence is looking for a Application Developer one our clients project based on Remote. Please find the job description below and send us your updated resume if interested: Must-Have Skills:Strong hands-on experience with C#/.NET, Web API, and Angular 16+. Proficiency in SQL, Git, and Azure DevOps. Bachelors degree in Computer Science, MIS, or a related field, with approximately 5 years of relevant experience, or equivalent education and experience. Nice to Have Skills: Experience wor

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Contract, Third Party

$64 - $74

Senior C#/Angular Developer

Remote or Hybrid

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Today

Our Fortune 100 client is hiring for a Senior Fullstack Developer to focus on Angular front-end development and C# back-end to enhance capabilities. This role requires expertise in C#, .NET (back-end), Angular (v18+), JavaScript, HTML (front-end), SQL Server, and APIs. You'll analyze requirements, write and test code, support production systems, and ensure seamless software integration. Experience with Duck Creek insurance platform is a plus. This is a fully remote role foowing an ET work schedu

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Contract

DOE

C#.Net Developer with TRS (teachers retirement system)

Remote or Hybrid in Oklahoma City, Oklahoma

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4d ago

Application Developer (C#.Net) Location: Oklahoma City, OK ( Hybrid) Duration: 5+ Years Requirements Knowledge of modern application development frameworks, programming languages, and secure coding practices Knowledge of software development lifecycle (SDLC) methodologies, including Agile Knowledge of business process analysis, functional design principles, documentation standards, user story development, and acceptance criteria definition Knowledge of TRS business rules, including those specifi

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Contract

Depends on Experience

Application Developer

Remote or Indiana

•

Today

Application Developer City: REMOTE Job Description: Job Summary The Application Developer is a fully competent and productive professional contributor who works under general direction to develop, test, implement, and support new and existing software applications. This role collaborates with University stakeholders, cross-functional IT teams, and, as appropriate, outside partners to deliver technical solutions that meet defined business needs using established architectures, frameworks, and de

Full-time

USD 62,400.00 - 66,300.00 per year

Senior Application Developer

Remote

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6d ago

Company Description We make AI safe, confidential, and compliant for companies. Verapath is an AI platform company based in Greenwich, CT, focused on managing the risks associated with artificial intelligence systems. As AI becomes increasingly foundational to business and society, organizations must proactively address security vulnerabilities, regulatory compliance, bias, and model risk. Verapath delivers AI security, governance, risk, and compliance solutions for medium-to-large enterprises d

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Full-time

100,000 - 200,000

Senior C# Application Developer jobs in Portland, OR, USA