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199 sr net developer jobs at 124 companies in Fairfield, CT

2w
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Senior .NET Developer
New York City, New York, United States
$107k-$135k/yr HybridFull Time
City of New York
City of New York: Provides municipal services and administration for New York City.
2+ YOEBaccalaureate in CS or related with 2+ years software experience (including 1 year project leader) or HS plus 6+ years software experience; experience with .NET, C#, Dynamics CRM, SQL; strong communication skills.
Microsoft .Net, C#, ASP.Net, MVC, XML, REST, Web-API, JavaScript, AngularJS, Angular, Angular Material, HTML5, Bootstrap, CSS, Microsoft SQL Server, T-SQL, SQL Server 2008, SQL Server 2012, SQL Server 2014, Microsoft Dynamics CRM, Microsoft Dynamics 365, SSRS, SSIS, iOS, Cognos, Power BI, API
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3mo
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Sr. Engineer .NET Development
Montvale or Dallas
HybridFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
3+ YOE3+ years relevant experience, 2+ years building Angular 12+ components, experience with ASP.NET Core, Web API, C#, MS SQL Server; bachelor’s preferred; High School diploma/GED required.
Angular 8+, Angular 12+, TypeScript, Microsoft .NET Core (C#), C#, ASP.NET Core, ASP.NET Web API, IOC containers, MS SQL Server, SQL Server, JavaScript, Visio, PowerPoint, Microsoft Office, MS Azure
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2mo
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Full Stack .Net Developer (Contractor Role)
New York, New York, United States
$77-$97/hr OnsiteContract
UpClear
UpClear: Cloud platform for consumer goods revenue and promotion management.
7+ YOE7+ years with .NET, Angular, C#, SQL Server; DevOps/Agile; TDD/BDD; full stack development.
Angular, C#, NET, Entity Framework, SQL Server, DevOps, Agile, TDD, BDD
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2mo
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Senior .NET Engineer
Toronto or Canada or San Francisco or New York City or Chicago or Manila
$110k-$150k/yr RemoteFull Time
Derivative Path
Derivative Path: Provides cloud-based software for managing financial derivatives and hedging.
7+ YOE7+ years building production software; strong C# and ASP.NET; React and database experience (Postgres, MS SQL, MongoDB); CI/CD and automated testing; DDD/SOA/microservices experience; mentoring experience; CS degree or equivalent.
C#, ASP.NET, Postgres, MS SQL, MongoDB, React, CI/CD, Docker, Kubernetes, AWS CDK, Terraform, Blazor
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2mo
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Sr. Software Engineer
Milford or Cocoa Beach or Orlando or Sioux Falls or Orlando or Jacksonville or Columbus or York Haven or Birmingham or Augusta or Nashville or Houston or Dallas or Albuquerque or Columbia or Milwaukee or McAllen or El Paso or San Antonio or Salt Lake City or Charlotte or Phoenix or Sunrise or Louisville or Sunrise
$150k-$175k/yr OnsiteFull Time
BeneLynk
BeneLynk: Provides social care advocacy and government benefit enrollment assistance.
8+ YOE8+ years software development; strong in C#/.NET; REST APIs; Azure; scalable SaaS; distributed teams; healthcare/regulatory context.
C#, NET, REST APIs, Azure, SQL, SaaS
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2mo
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Sr Developer - Full Stack
Hauppauge, New York, United States
$111k-$158k/yr OnsiteFull Time
Stifel Financial
Stifel FinancialNYSE: SF: Financial services firm providing wealth management and investment banking.
6+ YOEBachelor's in computer science or related field; 6+ years software development; experience with C#/.NET, Angular, AngularJS; strong SDLC knowledge; leadership abilities.
C#, .NET, Angular, AngularJS, TFS, Git, MS SQL Server
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2mo
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Senior Software Engineer (.NET / Azure) - Contract (1099)
New York, New York, United States
$80/hr RemoteContract
Very
Very: Builds IoT and AI solutions for connected products.
8+ YOE8+ years software development; BS in CS or related field; experienced with C#, .NET, Azure; remote/USA eligible; contract 1099.
C#, .NET, ASP.NET Core, Azure Functions, Azure Service Bus, Azure Blob Storage, Azure Cosmos DB, Azure IoT Hub, SignalR, Docker, GitHub Actions, CI/CD, Infrastructure-as-Code, SQL, PostgreSQL, Redis, TimescaleDB, DynamoDB, Jest, Cypress, Pytest, AWS, Azure, Azure AD B2C, Microsoft Entra ID
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2mo
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Lead Product Engineer – .NET and AI Driven
New York City or Birmingham or Miami or Tampa or Blue Ash or Cincinnati or Los Angeles
$140k-$199k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
8+ YOE8+ years in software engineering; .NET/C# expertise; SQL Server; Azure migration; AI-assisted development; automated testing; CI/CD.
.NET, C#, SQL Server, Azure, AKS, Cosmos DB, App Services, Functions, GitHub Copilot, Claude
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4w
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Sr Software Development Engineer
Houston or Greenwich
$93k-$232k/yr HybridFull Time
IQVIA
IQVIANYSE: IQV: Provides clinical research and data analytics for pharmaceutical companies.
10+ YOE10+ years software development experience; proficiency in .NET and/or Java; cloud (AWS/Azure) experience; hands-on coding, API and database design, CI/CD and Git; healthcare claims or analytics domain experience preferred.
.NET, Java, AWS, Azure, FHIR, HL7, CI/CD, Git
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6d
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Senior Full Stack .NET Developer (ArcGIS/GIS Required) - Onsite in New York City
New York City, New York, United States
OnsiteContract
Booker DiMaio
Booker DiMaio: Engineering innovation and software modernization services provider.
8+ YOEBachelor's degree required; 8+ years .NET full stack experience, 4+ years ArcGIS Pro/ArcMap experience, strong C#, ASP.NET, SQL Server, Azure, GIS automation and API integration skills.
ArcGIS Pro, ArcMap, C#, ASP.NET, .NET Core, .NET 9, Entity Framework, SQL Server, Azure, ArcGIS Maps SDK for .NET, ArcGIS Enterprise, ArcGIS Online, Python, ArcPy, Arcade, Model Builder, REST APIs, Oracle, PostgreSQL/PostGIS, Git, Azure DevOps
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1mo
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Staff Software Engineer (.Net and AWS)
Budapest or New York City or Washington or Vancouver or London or Galway or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
Diligent
Diligent: Provides software for corporate governance, risk, and compliance management.
7+ YOE7+ years building and operating secure, scalable software systems; hands-on experience with .Net and TypeScript/JavaScript; strong cloud-native (AWS) and DevOps practices including CI/CD and infrastructure-as-code; AI-enabled systems and security expertise.
.Net, TypeScript, JavaScript, AWS, Angular, React, CI/CD, infrastructure-as-code
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3mo
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Full Stack Developer (.Net/Python)
Denver or New York
$130k-$160k/yr HybridFull Time
Bayview Asset Management
Bayview Asset Management: Investment management firm specializing in credit and mortgage assets.
7+ YOE7+ years of industry experience; BA/BS in Computer Science or related field; strong .NET and Python skills; financial services domain knowledge.
C#, Python, Angular, React, Vue, HTML, CSS, JavaScript, XML, JSON, JQuery, REST, Docker, Kubernetes, SQL, NoSQL, CI/CD
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1mo
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Lead Software Engineer, .Net Full Stack (Hybrid)
Berlin or Westwood or Windsor or Manchester
$149k-$165k/yr HybridFull Time
Eversource Energy
Eversource EnergyNYSE: ES: Delivers electricity, natural gas, and water to New England customers.
8+ YOE8+ years related experience; Bachelor's degree or equivalent; advanced full‑stack .Net technical leadership, architecture, mentoring, and strategic problem solving; must be able to travel between MA/CT/NH and respond to emergency restoration assignments.
.Net
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2mo
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Sr. Developer - Software Engineering
New York or Austin
$117k-$195k/yr HybridFull Time
LPL Financial
LPL FinancialNASDAQ: LPLA: Provides wealth management and brokerage services to financial advisors.
4+ YOE4+ years full-stack development with Angular/TypeScript, Python, and .NET Core; AWS experience; API-first architecture; strong problem-solving and collaboration skills.
Angular, TypeScript, HTML/CSS, Python, .NET Core, AWS, Terraform, CloudWatch, Dynatrace
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1mo
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Lead Software Engineer - C#/.Net - Trading industry exp-Neovest
New York, New York, United States
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years applied software engineering experience, hands-on C#/.NET development, capital markets/trading domain knowledge, cloud-native and multithreaded application experience, message-distribution (RabbitMQ/Kafka), CI/CD and secure resilient design, and experience leading teams and adopting AI-assisted engineering practices.
C#, .NET, RabbitMQ, Kafka
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2w
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Sr. Lead Engineer, PowerFAIDS
United States or Reston or New York City
$185k-$200k/yr RemoteFull Time
College Board
College Board: Provides standardized testing and resources for college and career readiness.
10+ YOE10+ years production software development with deep C#/.NET and ASP.NET MVC expertise; experience modernizing legacy desktop apps; strong stakeholder partnership, mentoring, and communication skills; US work authorization required.
C#, ASP.NET MVC, .NET Framework, DevExpress MVC Extensions, Autofac, jQuery, SQL Server, xUnit, Moq, Razor, GitHub Copilot, Claude Code, CI/CD
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4d
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Sr. Software Engineer, LIMS
Ramsey or Fort Myers
HybridFull Time
NeoGenomics
NeoGenomicsNASDAQ: NEO: Provides specialized oncology diagnostic testing and clinical laboratory services.
5+ YOEBachelor's in CS or equivalent,5+ years software development (Java),LIMS and lab system experience preferred,proficiency with .NET,Java,Spring,Python,SQL/NoSQL,US work authorization required.
SAPIO LIMS, LabVantage, CDS, ELN, SDMS, .Net, Java, Spring, Spring Boot, Python, Flask, Django, FastAPI, RESTful APIs, microservices, PostgreSQL, MySQL, SQL, NoSQL
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3w
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Sr. Software Engineer II (Remote - US)
New York City or California or Oregon or Colorado or Texas or Wisconsin or Minnesota or Louisiana or Florida or Virginia or North Carolina or South Carolina or New Jersey or New York or Connecticut or United Kingdom
$130k-$150k/yr RemoteFull Time
TixTrack
TixTrack: Provides cloud-based ticketing and venue management software for venues.
7+ YOE7+ years full-stack SaaS development with .NET Core back-end and modern frontend frameworks (React/Angular/Vue); strong SQL, API, SRE/DevOps appreciation, Agile experience, bachelor’s degree or equivalent.
.NET Core, React, Angular, Vue, HTML, CSS, JavaScript, SQL, Stripe, Microsoft Office, Google Suite, Slack, JIRA
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2w
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Full stack C#/.Net Experience with AWS
New York or Jersey City
$100k-$130k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
12+ YOEBachelor's in CS or related, 12+ years software development experience with C#/.NET, AWS, React.js/Angular, REST APIs, IIS/OpenShift, Terraform; strong authentication/authorization knowledge (SSO, OAuth, Microsoft Entra ID).
C#, .NET, React.js, Angular, SSO, OAuth, OAuth2, Microsoft Entra ID (Azure AD), AWS Lambda, AWS Step Functions, AWS API Gateway, Terraform, Amazon RDS (PostgreSQL), IIS, OpenShift
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1w
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Senior Associate - Developer Engineer
New York City, New York, United States
$100k-$143k/yr HybridFull Time
New York Life Insurance
New York Life Insurance: Providing life insurance, annuities, and long-term investment solutions.
7+ YOE7+ years developing/supporting IBM mainframe applications with PL1, ASM, COBOL, JCL, CICS, DB2, VSAM, MQ; experience with Angular/.net, CICS API, Mulesoft, Lambda, Python, AWS; architecture and CI/CD knowledge.
PL1, ASM, COBOL, JCL, CICS, DB2, VSAM, MQ, Angular, .net, CICS API, Mulesoft, Lambda, Python, AWS, Java, Spring Boot, Node.js, React, Kafka, CI/CD
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