Lead Backend .Net Developer Jobs in Seattle, WA

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Lead .Net Backend Developer

Photon

•

Seattle, Washington, USA

Contract, Third Party

Lead .Net Backend Developer (.Net/C# with Distributed Cloud Engg) Onsite at Seattle, WA/ Dallas, TX / Chicago, IL / NYC, NY The role: Scope of work: Hiring is for an Airlines ticket Booking team. We are going through a rebuild, fully rearchitecting our Booking engine. With Millions of Booking requests going through our systems, we need to build a robust, resilient, and easy to scale system, while meeting our needs for fast response time.Deep understanding of microservice architecture, and how to
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Posted 60+ days ago | Updated 13 days ago

Remote Lead Backend Developer - .NET - Up To $200k & Equity

Michael Page International

•

Remote or Chicago, Illinois, USA

Full-time

Join a growing organization with equity on offer from day 1Work 100% remotely - must be based in the USA to be eligible! About Our Client This organization is offering a candidate a 100% remote opportunity to work at a SaaS company that recently received funding, and is looking to expand their internal engineering team. The company is currently less than 10 employees, and is a fully remote organization with employees across the US. This is a fantastic opportunity to join an organization, get e
Posted 27 days ago | Updated 3 hours ago

.Net Backend Developer - Temporal AI

Photon

•

Seattle, Washington, USA

Contract, Third Party

.Net Backend Developer with Temporal AI SDK Seattle, WA What will you do? What are we looking for? We are seeking a talented and versatile .NET Fullstack Developer with specialized experience in Temporal.ai to join our growing team . In this role, you will be responsible for developing and maintaining both backend and frontend components of our applications, with a strong emphasis on leveraging Temporal.ai for robust workflow orchestration. You will contribute to all phases of the software deve
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Posted 22 days ago | Updated 13 days ago

.Net Backend Developer

Photon

•

Seattle, Washington, USA

Contract, Third Party

.Net Backend Engineer Onsite at Seattle, WA/ Dallas, TX/ Chicago, IL, NYC, NY About Us: We are seeking a Senior Back-End Software Engineer to play a pivotal role in this transformation. If you are a self-driven individual with strong ownership skills, a delivery and solution-oriented mindset, expertise in C#, .NET, Azure, CI/CD, and IaC, as well as in-depth knowledge of airline domain, we want you to be a part of our collaborative and forward-thinking team. Key Responsibilities: Back-End Develo
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Posted 60+ days ago | Updated 13 days ago

.Net Full Stack Lead - Mobile App support

Photon

•

Seattle, Washington, USA

Contract, Third Party

.Net Full Stack Lead - Mobile app support (Ionic/Angular) Seattle, WA What will you do? What are we looking for? We are seeking a highly experienced and versatile Fullstack Lead to drive the development and architecture of our mobile and web applications. You will be responsible for leading both frontend (Angular/Ionic) and backend (.NET/Azure, Kubernetes) development, ensuring seamless integration, optimal performance, and scalability. As a leader, you will be an owner, a problem solver, and a
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Posted 49 days ago | Updated 13 days ago

.Net Backend Developer

Photon

•

Seattle, Washington, USA

Full-time, Third Party

Greetings everyone, We hope you are staying safe. We are hiring a .Net Backend Developer to join our Digital Engineering team. Who are we? For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. What are we looking for S.no ROLE Type Skills 01 .Net Backend Developer Seattle, WA .Net Core, C#, Rest API, Azure Services, Azur
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Posted 60+ days ago | Updated 29 days ago

Remote Full Stack Developer (.NET / Angular) - no C2C

OtterBase, Inc.

•

us

Full-time

Full Stack Developer (.NET / Angular) Location: Remote | Type: Full-time (no c2c) We re looking for a passionate Full Stack Developer who thrives in a balanced role working across both front-end and back-end technologies. This position is a true 50/50 split between .NET and Angular, ideal for someone who enjoys owning features end-to-end and collaborating across teams in a fast-paced, agile environment. What You ll Be Doing: Write high-quality, maintainable code in both C#/.NET (back-end) and A
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Posted 1 day ago | Updated moments ago

W2 - Sr Automation Test Developer (Java/.Net, JavaScript, Junit, Cypress, Git, Test plan) - Remote

Tanson Corp

•

Remote or Minnesota, USA

Contract

Duties: Scope: Creating a functional test plan and test cases from defined project features and automating the execution of those tests. Automation should cover both frontend (UI, end-to-end) and backend. Will work on multiple client project applications in a collaborative, Agile Scrum development environment. Required: -Test plan creation -Creation of functional, end-to-end, and integration tests and automation -Some development experience in one of the following: Java, .Net / C#, TypeScript,
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Posted 1 day ago | Updated moments ago

Lead .NET Software Developer

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Lead .NET Software Developer to perform hands on development and architecture of cloud-based .NET applications for our homebuilder & construction company. The Lead .NET Software Engineer will be responsible for developing a robust in-house suite of applications for enterprise clients both small and large. This job opens for applications on 4/18/2025. Applications for this job will be accepted for at least 30 days from the posting date. Responsibilities of the Lead
Posted 5 days ago | Updated 4 hours ago

Lead Full-Stack .NET Engineer

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Lead .NET Full Stack Developer to join a growing third-party logistics organization. The Lead .NET Full Stack Developer will direct development teams in the design, development, coding, testing and debugging of scalable, high-quality, and high-performing freight brokerage applications. Responsibilities for the Lead .NET Full Stack Developer include: Engage the team and organizational colleagues to improve and resolve product development issues, achieve timely d
Posted 2 days ago | Updated 4 hours ago

C#.NET Developer with Machine Learning Experience in Python

MOONITSolutions Inc.

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Remote

Contract

Client seeks to on board an AWS proficient C# developer to work on IoT applications. The focus of the position is on backend development (including REST APIs) and ML applications. Responsibilities: Liaise with business and technical stakeholders to elicit and analyze business/technical requirements, design, code and implement middle-tier solutions that meet or exceed business and technical requirements.Design, build, package, deploy and monitor ML based business solutions.Represent business and
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Posted 23 days ago | Updated 2 days ago

.Net Developer

4 Consulting Inc

•

Remote or Texas City, Texas, USA

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He
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Posted 28 days ago

.Net Developer with React (Canada - Remote)

VDart, Inc.

•

Remote

Contract

Job Title: .Net Developer with React (Canada Remote) Location: Canada (Remote) Duration: Long Term Contract Open to: C2C (Corp-to-Corp) candidates Job Description: We are looking for a skilled .NET Core Developer with React to join our growing team. You will be responsible for building modern web applications and backend services that are scalable, secure, and high performing. If you are passionate about clean code, innovative technologies, and working in a collaborative environment, we want to
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Posted 1 hour ago | Updated moments ago

Remote-.Net Developer -8+ years -C2C- CH

Empower Professionals

•

Remote

Third Party, Contract

8+ Years Role: C# .Net Developer Job Location:- RemoteDuration: 12+ Month Job description:5+ years of hands-on experience with C# and .NET/.NET Core application developmentStrong expertise in SQL Server, including stored procedures, indexing, performance tuning, and data modelingProficiency in designing and building RESTful APIs and backend servicesProficiency in Angular and Entity FrameworkAbility to work independently and take ownership of end-to-end backend system functionalityExcellent writt
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Posted 1 day ago

.Net Developer

4 Consulting Inc

•

Remote or Harrisburg, Pennsylvania, USA

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He
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Posted 60+ days ago | Updated 13 days ago

Role:.Net lead with Azure @ Location: Seattle WA/Remote

Hermitage Info Tech, LLC.

•

Remote

Contract

Note: 10+years Lead exp must W2 position Role: .Net lead with Azure Location: Seattle WA/Remote Duration: Long term contract We are seeking a dynamic Developer Lead with a strong background in C#/.NET C#.Net and expertise in .Net Core Web API development and backend services. The ideal candidate will have experience with MVC architecture, Asp.Net , Net Core and NoSQL databases. Proficiency in Azure IoT, Azure Serverless Functions, and Azure Service Bus and/or Event Hub is essential. As a Deve
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Posted 13 days ago | Updated 13 days ago

Sr. Net Developer

intiGrow

•

Remote

Full-time

<>100% Remote Job Summary:We are looking for a Senior .NET Developer to design, develop, and maintain high-performance web applications. The ideal candidate should have strong experience in backend development using .NET technologies, along with a good understanding of database design, API development, and cloud services. <>Responsibilities:Develop and maintain scalable .NET applications using C# and .NET Core/.NET 6+.Design and implement RESTful APIs and microservices architecture.Optimize data
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Posted 23 days ago

Fulltime Fullstack .Net developer in Nashville,TN

MRoads

•

Remote

Full-time

Hi, Role: Sr. Full Stack .Net Developer Location: Nashville, TN Duration: Full Time NOTE: This is a fulltime role with client and Candidate must be local to Tennessee and very strong with React and Payment processing Job Description 10+ years as a Full Stack .Net Developer (Although all skills below are needed, the ones highlighted are the most important)7+ years developing responsive, component-based UIs with React.js, including experience with hooks, context, and state management6+ years crea
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Posted 2 days ago | Updated 2 days ago

C# .Net Developer with Machine learning--Remote

TechWish

•

Remote

Contract

Job Title: C# .NET API Developer 100% Remote JD: Should have experience in .Net & backend development (including REST APIs) and ML/Machine learning applications with cloud AWS or AzureBachelor s degree in computer science, management information systems, or another related field.Must be able to demonstrate all technical capabilities.5+ years of experience developing complex software applications. 5+ years of analysis, design and coding with strong skills in all the following:C#/.NET 4.6C# .NET
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Posted 6 days ago

. Net EDI Developer with HealthCare Insurance

E-Solutions, Inc.

•

California, USA

Third Party

Job title: .Net EDI Developer with HealthCare Insurance Location: Remote mandatory Skills: EDI, .NET, HealthCare Insurance Responsibilities: - Takes a lead role for analysing, designing, configuring, and modification of inbound and outbound EDI feeds, including X12 EDI such as 834, 835, and 837 transaction sets along with proprietary feeds for specific vendors Develop and maintain Microsoft .NET-based backend systems including scheduled console applications, web applications, MSMQ based messag
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Posted 9 days ago | Updated moments ago