240 net backend developer jobs at 168 companies in United States

2mo
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FHIR Backend Developer | .NET
Amsterdam or United States or Europe
€5k-€6k/mo HybridMultiple Commitments Available
Firely
Firely: Global digital healthcare providing software, training, and consultancy to bring FHIR to life
2+ YOEProficient in .NET/C#, REST APIs, MS SQL Server and/or MongoDB, AWS or Azure, JSON/XML handling, Git and Jira, experience using AI tools, authorized to work in the Netherlands, fluent English; 2+ years .NET backend experience preferred.
.NET, C#, REST APIs, Microsoft SQL Server, MongoDB, AWS, Azure, JSON, XML, AI tools, Git, Jira, GitHub Projects
2w
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Backend Developer (Node.js / Java / .NET)
United States
$100k-$120k/yr RemoteFull Time
Careerswift
Careerswift: The career & hiring platform for modern talent and teams.
3+ YOERequires 3+ years of backend development experience; Node.js, Java, or .NET; REST APIs; relational databases; Git; software design and OOP. English communication required.
Node.js, Java, .NET, REST, PostgreSQL, MySQL, SQL Server, Git, AWS, Azure, GCP, GraphQL, Docker, Kubernetes, CI/CD, NoSQL
3mo
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Senior Backend .NET Developer
Dallas, Texas, United States
OnsiteFull Time
Billee
Billee: Billee is a private utility-management SaaS platform serving multifamily property owners and operators.
8+ YOE8+ years backend .NET; strong C# and ASP.NET; relational DBs (SQL Server, PostgreSQL, MySQL); production support; multi-tenant SaaS; strong communication.
NET Framework, ASP.NET, AngularJS, PostgreSQL, MySQL, SQL Server, NET 8, REST APIs, Azure App Service, React, TanStack Start, WebForms, MVC
1mo
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Sr. Backend Engineer (.NET Core)
Washington or Falls Church
RemoteFull Time
Data Society
Data Society: Private consulting and training firm delivering AI, data science, and workforce upskilling solutions to corporations and governments.
6+ YOE6+ years backend development with 4+ years .NET Core/C#, experience leading offshore teams, Azure SQL, Azure Service Bus, Azure API Management, CI/CD with Azure DevOps and Veracode, API and microservices design.
.NET Core, C#, Azure SQL, Azure Service Bus, Azure API Management (APIM), Azure DevOps, Veracode, React, Oracle Fusion Cloud, Claude Code, GitHub Copilot, Cursor
3w
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Backend Engineer
Knoxville, Tennessee, United States
RemoteFull Time
Regal Cinemas
Regal Cinemas: Major movie theater chain and cinema operator.
3+ YOERequires 3+ years of backend software engineering experience, strong C# and .NET proficiency, RESTful API development, relational databases, cloud platforms, CI/CD, and end-to-end feature ownership.
C#, .NET, React, Next.js, RESTful APIs, SQL Server, CosmosDB, Azure, React Native, Redis, Datadog, Serilog, Application Insights, Microsoft SQL Server
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Senior Backend Engineer (.Net) - Team Lead Track
Argentina or United States
RemoteFull Time
Sweed
Sweed: AI-powered Dispensary Operating System (DOS) built for cannabis retailers.
4+ YOE4+ years backend development experience, strong C#/.NET expertise, production systems and microservices experience, systems design and refactoring skills, algorithmic problem solving, and English proficiency for written and spoken communication.
C#, .NET 8+, ASP.NET Core, gRPC, MS SQL, PostgreSQL, RabbitMQ, Redis, SignalR, EF Core, Dapper, Docker, Kubernetes, AWS, Grafana, Git, GitLab CI/CD
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Backend Developer
Tel Aviv-Yafo or Argentina or Spain or United Kingdom or United States or India
HybridFull Time
Mize
Mize: AI-Driven Revenue Infrastructure for Travel Companies
3+ YOE3+ years professional C# experience, strong .NET knowledge, Microsoft SQL Server and Couchbase experience, EF6 or similar ORM, REST API integration, fluent English, and strong communication skills.
C#, .NET, Microsoft SQL Server, Couchbase, EF6, REST API, TypeScript, NetSuite, BlueSnap
3mo
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Backend Engineer
New York, New York, United States
$110k-$140k/yr HybridFull Time
Bayview Asset Management
Bayview Asset Management: Bayview is a private alternative investment firm serving institutional clients through residential, consumer, and commercial credit investments.
Bachelor's degree in Computer Science or equivalent experience; strong backend development skills in .NET and Python; experience with databases and CI/CD.
NET (C#, EF Core, ASP.NET Core), Python (FastAPI, Pydantic, SQLAlchemy), SQL Server, Snowflake, Redis, Bitbucket, Jenkins, Docker, Kubernetes, VS Code
3w
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Senior Backend Software Engineer
Austin, Texas, United States
HybridFull Time
Stamps.com
Stamps.com: A software that builds mailing and shipping products to help businesses deliver parcels worldwide.
5+ YOE5+ years backend development experience; proficiency with C#/.NET, AWS, databases, containerization, CI/CD, and mentoring; Bachelor’s degree in Computer Science.
C#, .NET, ASP.NET Core, Entity Framework Core, AWS, EC2, Lambda, RDS, S3, CloudFront, SQS, API Gateway, Terraform, CloudFormation, CDK, React, Docker, OAuth, JWT, Git, TypeScript, Redis, GitHub Copilot, Claude, OpenAI API, Claude API, AWS Bedrock
2mo
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Senior Backend Engineer
United States
$175k-$200k/yr RemoteFull Time
Franki
Franki: Private social discovery app helping diners find restaurants through videos, recommendations, and cash-back rewards.
7+ YOE7+ years building cloud-based web applications using C#, .NET/.NET Core, Microsoft Azure and SQL; experience with RESTful APIs, CI/CD, performance optimization, architecture, and mentoring engineers.
C#, .NET, .NET Core, Microsoft Azure, Microsoft Azure Functions, Microsoft Cosmos DB, Microsoft Azure DevOps, Microsoft SQL Server, SQL, RESTful APIs, CI/CD, MediatR, React
1mo
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Principal Engineer, Backend
United States
$183k-$251k/yr RemoteFull Time
Bluebeam
Bluebeam: Construction software serving AE professionals with PDF markup, document collaboration, and digital workflow tools.
15+ YOE15+ years building cloud applications; bachelor's degree in computer science or equivalent; AWS architecture certification; advanced Go/.NET backend, distributed systems, databases, microservices, Docker, Kubernetes, and infrastructure-as-code expertise.
AWS, Go, Golang, .NET, REST, GraphQL, SQL, NoSQL, Amazon EC2, Amazon S3, Amazon SQS, Amazon SNS, Amazon Kinesis, Amazon ELB, AWS Lambda, Docker, Kubernetes, Terraform, CircleCI, GitHub Actions, OAuth, SAML, OpenID Connect, BetterUp Care, LinkedIn Learning
3d
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Backend Developer 1
Seffner, Florida, United States
OnsiteFull Time
SE Independent Delivery Services
SE Independent Delivery Services: Private furniture delivery serving national retailers through independent owner-operators across the southeastern United States.
Working knowledge of C#, .NET, Entity Framework Core, Microsoft SQL Server, SQL, REST APIs, JSON, and Git; understanding of object-oriented programming and strong analytical and communication skills.
C#, .NET, .NET Core, .NET 6, Entity Framework Core, Microsoft SQL Server, SQL, REST APIs, JSON, Git, Microsoft Azure
2mo
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Senior Backend Engineer
Cincinnati or Boston or United States
OnsiteFull Time
Tesouro
Tesouro: Private fintech providing embedded banking and payment infrastructure to banks and software platforms.
Senior-level backend engineer with ownership of production microservices, experience with distributed systems, integrating partner banks/card networks, AI-assisted workflows, and strong collaboration and judgment.
C#, .NET, Python, AWS, Kubernetes (EKS), PostgreSQL, Cassandra, Redis, RabbitMQ, Kafka, React, NX, ArgoCD, GitHub Actions, PACT, xUnit, Cucumber, Jest, Playwright, Grafana, OpenTelemetry, PagerDuty
3mo
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Senior Backend Engineer
New York, New York, United States
$168k-$189k/yr HybridFull Time
Gen Digital
Gen DigitalNasdaq: GEN: Provides cybersecurity, identity, privacy, and financial wellness.
4+ YOESenior backend engineer with 4+ years of experience, strong Python/Django or similar OOP experience, relational and non-relational databases, RESTful APIs, and containerization (Docker/Kubernetes).
Python, Django, C#, NET, PHP, MySQL, PostgreSQL, MSSQL, MongoDB, CosmosDB, REST, Docker, Kubernetes
3mo
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Principal Engineer, Backend (US)
United States
$183k-$251k/yr RemoteFull Time
Bluebeam
Bluebeam: Construction software serving AE professionals with PDF markup, document collaboration, and digital workflow tools.
10+ YOE10+ years building cloud-based backend systems; AWS certified; expert in Go and/or .NET; strong microservices, distributed systems, and DevOps practices.
AWS, Go, Golang, DotNet, Terraform, Kubernetes, Docker, CircleCI, GitHub Actions, S3, EC2, SQS, SNS, Kinesis
2mo
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Backend Software Engineer
Waltham or Boston
$127k-$171k/yr HybridFull Time
Next Insurance US Company
Next Insurance US Company: U.S. property-and-casualty insurance carrier providing digital coverage to small businesses.
8+ YOE8+ years backend development experience with Java/Kotlin or similar; BSc in Computer Science required; strong OOP, SQL, cloud (AWS) and CI/CD experience; excellent communication skills.
Kotlin, Java, Python, .NET, AWS, SQL, CI/CD, Zoom
2mo
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Backend Software Engineer
Waltham or Boston or United States
$127k-$171k/yr HybridFull Time
NEXT Insurance
NEXT Insurance: Digital small-business insurer providing online property-and-casualty coverage to U.S. entrepreneurs.
8+ YOE8+ years backend development with Java/Kotlin or similar, B.Sc. in Computer Science, strong OOP, distributed/cloud experience (AWS preferred), relational DB/SQL skills, and strong communication.
Kotlin, Java, Python, .NET, AWS, Relational Databases, SQL, CI / CD
3w
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Senior Backend Software Engineer - Cloud (55446)
Vernon Hills, Illinois, United States
$108k-$126k/yr HybridFull Time
STERIS
STERISNYSE: STE: Global provider of infection prevention and sterilization solutions.
8+ YOE8+ years professional software development experience with C#/.NET, backend systems, APIs, integrations, relational and NoSQL databases, cloud-native solutions and production support.
C#, .NET, PostgreSQL, RavenDB, SQL Server, Microsoft Azure, Azure Functions, App Services, Azure SQL, Storage, Key Vault, Service Bus
1mo
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Backend Software Engineer
United States or Goleta
$123k-$170k/yr HybridFull Time
SHP
SHPNasdaq: ROP: Public technology developing vertical software and technology-enabled products for specialized niche markets worldwide.
5+ YOE5+ years backend experience with C#/.NET and SQL; bachelor\u0002s degree in CS or related field; strong skills in concurrent processing, API and data pipeline design, and clear technical communication.
C#, .NET, SQL Server, SQL
2mo
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Backend Web Developer II
Fort Lauderdale or United States
RemoteFull Time
UA Brands
UA Brands: Private medical and culinary apparel retailer and manufacturer serving healthcare professionals, food-service workers, and organizations worldwide.
5+ YOE5+ years professional experience building web applications with C#/.NET, JavaScript/React, SQL Server/T-SQL; strong testing, debugging, API design, Git, and collaborative engineering skills. Associate degree or equivalent experience preferred.
C#, .NET, JavaScript, React, SQL Server, T-SQL, Git, Cursor