PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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Backend .NET Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years backend development with C#/.NET, REST APIs, SQL/EF Core, CI/CD, automated testing, Git, cloud (Azure preferred), spec-first workflows (OpenSpec) and experience mentoring teammates.
C#, Microsoft .NET, ASP.NET Core, ASP.NET Core Web API, SQL, Entity Framework Core, Git, Azure, OpenSpec, GitHub Spec Kit, CI/CD
20h
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Junior Backend .NET Engineer
United States
HybridFull Time
0+ YOEBachelor's or equivalent,0–2 years software development experience, basic proficiency in C# and .NET, REST APIs, SQL, Git, and willingness to learn TDD and CI/CD practices.
.NET Framework, .NET 10, C#, ASP.NET Web API, Dapper, Entity Framework, SQL Server, PostgreSQL, Git
1mo
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FHIR Backend Developer | .NET
Amsterdam or United States or Europe
€5k-€6k/mo HybridMultiple Commitments Available
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
1mo
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Senior Backend Engineer (.NET)
Argentina or United States
RemoteFull Time
5+ YOE5+ years backend development with strong C#/.NET experience, microservices and production system experience, relational DB knowledge, RabbitMQ and Redis experience, ability to troubleshoot performance, and English competency for collaboration.
C#, .NET 8+, ASP.NET Core, gRPC, MS SQL, PostgreSQL, RabbitMQ, Redis, SignalR, EF Core, Dapper, Docker, Kubernetes, AWS, Grafana, Git, GitLab CI/CD
2mo
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Senior Backend .NET Developer
Dallas, Texas, United States
OnsiteFull Time
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
3d
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Sr. Backend Engineer (.NET Core)
Washington or Falls Church
RemoteFull Time
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
1mo
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Sr. Backend Developer
Richardson, Texas, United States
$115k-$135k/yr HybridFull Time
5+ YOE5+ years backend software development; expert C#/.NET; Azure SQL; REST APIs; Azure cloud; ReactJS collaboration; code reviews; tests; mentor.
C#, .NET, Azure SQL, Azure DevOps, Azure, ReactJS
1mo
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Senior Backend Engineer
Fort Walton Beach, Florida, United States
$140k-$150k/yr OnsiteFull Time
TalkingParents: Secure-parenting communication platform providing court-admissible records.
5+ YOE5+ years building C#/.NET backend services, strong ASP.NET Core, T-SQL/SQL Server, Microsoft Azure experience, practiced TDD, Git workflows, and familiarity with AI-assisted development workflows.
C#, .NET, ASP.NET Core, Autofac, T-SQL, SQL Server, Dapper, SqlKata, Entity Framework, MSTest, Moq, Git, GitHub Copilot, Microsoft Azure, Azure Functions, Azure App Services, Azure SQL, Storage Queues, Service Bus, Key Vault, Application Insights, Raygun, Blazor, Cosmos DB, IdentityServer, OAuth2, OpenID Connect
3w
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Backend Developer
Tel Aviv-Yafo or Argentina or Spain or United Kingdom or United States or India
HybridFull Time
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
1mo
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Backend Engineer
New York, New York, United States
$110k-$140k/yr HybridFull Time
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
1mo
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Senior Backend Engineer
United States
$175k-$200k/yr RemoteFull Time
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
2w
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Senior Backend Engineer
United States
$125k-$145k/yr RemoteFull Time
7+ YOE7+ years backend experience designing scalable services and APIs; expertise with backend languages/frameworks; experience with databases, structured data formats, concurrency, and secure client-server systems.
Java, Spring, Python, FastAPI, Django, C#, .NET, Node.js, JSON, XML, CSV, Electron, Docker, CI/CD
3mo
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Backend Engineer, Senior
Orlando, Florida, United States
RemoteFull Time
7+ YOE7+ years in C#/.NET and Node.js; REST APIs; CMS integration; automated testing; cloud (Azure/AWS/GCP); distributed systems; strong collaboration.
C#, .NET, ASP.NET Core, Node.js, Azure, AWS, GCP, xUnit, NUnit, Jest, MSTest, Moq, REST API, CMS, Jira, Git
3mo
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Back-End Engineer
Atlanta, Georgia, United States
OnsiteFull Time
Design backend services and APIs with Python/C#/NET; REST APIs; OO; Git; interested in large language-based applications.
Python, C#, NET, Git, REST API
2mo
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Senior Backend Engineer
New York, New York, United States
$168k-$189k/yr HybridFull Time
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
1mo
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Senior Backend Engineer
Cincinnati or Boston or United States
OnsiteFull Time
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
2mo
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Principal Engineer, Backend (US)
United States
$183k-$251k/yr RemoteFull Time
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
1mo
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Backend Software Engineer
Waltham or Boston or United States
$127k-$171k/yr HybridFull Time
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
1mo
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Backend Software Engineer
Waltham or Boston
$127k-$171k/yr HybridFull Time
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
1mo
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Lead Backend Engineer (API Architect)
Dallas, Texas, United States
OnsiteFull Time
8+ YOEDesign and implement APIs and services, .NET and SQL Server expertise, REST API and integration experience, CI/CD and automated testing, 8+ years software development, degree in Computer Science or equivalent.
.NET, SQL Server, REST, SSRS, Power BI, CI/CD
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