Senior ASP.NET Developer jobs in Phoenix, AZ

Tempe, Arizona

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6d ago

Vaco is partnering with a national wealth management technology organization to hire a Senior Software Engineer focused on backend .NET development, API design, and modernization of core platform applications. This role will be part of a new Tempe-based engineering team and will serve as one of the most senior individual contributors locally. The immediate focus is modernizing legacy applications, including rewriting older systems into modern .NET. This is a backend-heavy role centered on C#, .N

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Full-time

Depends on Experience

Senior Full Stack .NET Developer - Remote

Remote or New York, New York

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Today

Job Role: Senior Full Stack .NET Developer Location: New York City, NY - Hybrid Duration: Long Term Project No C2C only W2 Job Summary: We are seeking an experienced Senior Full Stack .NET Developer to join our team in New York City. The ideal candidate will have strong full-stack development expertise with Angular 15+, C#/.NET, MS SQL Server, RESTful APIs, cloud platforms, and modern DevOps/CI/CD practices. Key Responsibilities: Design, develop, test, and maintain scalable full-stack web app

Contract

$DOE

Senior Application Developer

Remote

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25d 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 .NET Developer (Billing Platform)

Remote

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6d ago

Role OverviewContribute to development of a billing/claims platform supporting high-volume transactional systems Build and scale backend services and enterprise applications Improve and evolve existing systems and architecture Design scalable, maintainable, and extensible solutions Participate across the full SDLC, including design, development, testing, and deployment Collaborate cross-functionally to translate business requirements into technical solutions Ensure code quality through test auto

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Full-time

Depends on Experience

Application Developer - Senior

Remote

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Today

Description Synergy Business Innovation & Solutions is a premier implementer of cutting-edge software solutions. Synergy brings the experience and expertise necessary to deliver capability that provides tangible ROI to our customers. Our core areas of expertise are in the fields of Digital Transformation, Cloud Solutions, SaaS and Low-Code/No-Code Solutions, Emerging Technologies, Data Analytics and Visualization, Information Assurance, and Business Process Re-Engineering. Synergy offers its e

Full-time

USD 100,000.00 - 120,000.00 per year

.NET Core Senior Software Engineer

Chandler, Arizona

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Today

Overview We are seeking a full-time .NET Core Senior Software Engineer in our Chandler, AZ location. In this role, you will be responsible for providing technical leadership and project planning for software development for Garmin's commercial aviation products as an individual contributor. Essential Functions Serves in a leadership capacity as an individual contributor for carrying out software development in C#/.NET Core framework and other selected languages for new products and/or applicati

Full-time

Senior Developer

Remote

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14d ago

Senior Developer - Remote Primary Location: Remote Frankfort Kentucky V-Soft Consulting is currently hiring for a Senior Developer - Remote for our premier client Frankfort, Kentucky. Education and Experience Bachelors degree in computer science, Mathematics, or related field 5+ yrs. job experience or associate degree in computer science/information technology (related field) with 2+ yrs. job-related experience 2+ year experience configuring, implementing, and troubleshooting enterprise applic

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Contract

Depends on Experience

Senior .NET Full Stack Developer - Tampa, FL, Raleigh, NC, Durham, NC, Orlando, FL, Columbia, SC, Atlanta, GA, Charlotte, NC.

Remote or Tampa, Florida

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3d ago

Job Title: Senior .NET Full Stack Developer Location: Tampa, FL, Raleigh, NC, Durham, NC, Orlando, FL, Columbia, SC, Atlanta, GA, Charlotte, NC. Looking for W2 candidates. No C2C Job Summary We are seeking a highly experienced Senior .NET Full Stack Developer with 10+ years of experience in enterprise application development and a strong background in the Banking/Financial Services domain. The ideal candidate will have expertise in .NET 8/9, Java Spring Boot, cloud-native development, microservi

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Contract

Depends on Experience

.NET Developer Technical Lead

Remote

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6d ago

OverviewWe are looking for a hands-on Technical Lead and experienced .NET engineer to help lead the development of a newly formed Adherence Engineering Team. This team will design and build technology solutions that help medical practices improve patient vaccination adherence through targeted outreach and automation. Early pilot programs have already demonstrated strong results, showing over a 10% increase in vaccination rates when practices leverage patient outreach tools. This team will play a

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Full-time

Depends on Experience

Senior .NET Engineer-Puerto Rico Remote

Remote or San Juan, San Juan

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Today

Position:Senior .NET Engineer Experience:8+Years Work Mode:Puerto Rico Remote Contract: 12+Month We are Lokking for a Dot net Full stack Developer-Puerto Rico Remote Frontend Development Develop and maintain responsive, modular, and high-quality Angular applications. Implement UI components using TypeScript, HTML5, CSS\LESS\SCSS, and RxJS reactive patterns. Manage global and component-level state using NgRx. Write robust unit tests using Jest to ensure high code quality and maintainability

Full-time

Senior Software Engineer, Full Stack

Remote

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Today

Lyric is the trusted leader in healthcare decision intelligence. Built on more than 35 years of proven results, Lyric combines responsible AI with clinical, payment, regulatory, and policy expertise to deliver transparent, auditable insights in milliseconds across real-time claims workflows. Lyric augments human decision-making so health plans can make faster, more accurate payments while maintaining full control. Today, Lyric supports 200 million lives, with nine of the top 10 U.S. health plans

Full-time

Software Engineer (Senior .NET / FullStack Engineer)

Remote or St. Louis, Missouri

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Today

Position: Software Engineer (Senior .NET / FullStack Engineer) Location: Remote Duration: 6+ Months Contract Role Overview We are seeking highly skilled Senior .NET / FullStack Engineers with strong AWS and securecoding expertise. This role is critical in investigating vulnerability findings at the code level, determining root causes, implementing secure remediations, testing changes, and deploying them through Regions development pipeline. Candidates must demonstrate deep technical proficien

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

USD 60-70

Lead C#.NET Developer - COTS

Remote or Hybrid in Raleigh, North Carolina

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6d ago

ONLY W2ONLY W2ONLY W2 MUST have experience working on COTS products Title: Lead Developer Location: McLean, VA 22102 (Remote) Duration: 6 Months Contract (Potential Extension) Job Description: Terms of Employment W2 Contract, 6 MonthsRemote Opportunity (US EST Time zone work schedule (Candidates in Raleigh NC preferred but not required) Overview The Developer, Specialist performs thorough end-to-end analysis of complex business functionality, provides technical solutions for complex business re

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Contract

Depends on Experience

Senior .NET Developer / Cincinnati, OH/ Candidates - REMOTE

Remote or Cincinnati, Ohio

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Today

Greetings, We're seeking a Senior Full Stack Developer with strong backend expertise in .NET Core/.NET 8 and React.js on the frontend. Join a dynamic team building modern tech solutions for a leading financial and real estate client. Senior .NET Developer w/ React.js Application Developer Application Developer Cincinnati, OH - Hybrid Permanent IMPORTANT NOTE: This role requires the submission of a code exercise, which will take a senior developer 90 minutes (or longer) to complete. Please d

Full-time

Senior .NET Developer (Google Cloud Platform, BigQuery, Python, React, Azure Devops) with min 12+ Years Exp Required

Remote

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24d ago

Title: : Senior .NET Developer (Google Cloud Platform, Bigquery) Location: REMOTE Duration: 06+ Months Position Summary: Fingerprinting is Required for this Role. Position Overview Required .net (latest), Python, .net blazer, React JSMicrosoft SQL, Google Cloud Platform BigQueryAPI and Website developmentGoogle Cloud Platform and Azure (no AWS) Azure Devops backlogs and CICD Nice to have CRM DynamicsGoogle Cloud PlatformAirflowApigeeGoogle Cloud PlatformAzure SQLAPP ServicesGitHubPosition Over

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Contract

$60 - $70

Senior ASP.NET Developer jobs in Phoenix, AZ, USA