108 api developer jobs at 52 companies in Delaware
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Senior Java Developer
Newark, Delaware, United States
$80k-$100k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science and advanced Java development experience with microservices, Spring, Hibernate, REST APIs, and SQL databases.
Java, Spring Framework, Spring MVC, Spring Boot, Hibernate, RESTful APIs, Oracle SQL, PostgreSQL, SQL Server, Microservices
1w
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Software Developer
New Castle, Delaware, United States
$63k-$82k/yr OnsiteFull Time
3+ YOEThree years of software development experience with ASP.NET, C#, Visual Studio, .NET, SQL Server, JavaScript, RESTful APIs, RabbitMQ, OAuth, Azure DevOps, and Git.
ASP.NET, Dapper, AutoMapper, C#, Microsoft Visual Studio 2019, JavaScript, jQuery, JSON, AJAX, .NET Framework 4.8, .NET Core, SQL Server 2019, HTML5, XML, XSLT, CSS, RESTful APIs, RabbitMQ, OAuth, JWT, Azure DevOps, Git
1w
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Software Developer
New Castle, Delaware, United States
$63k-$82k/yr OnsiteFull Time
3+ YOERequires 3+ years of software development experience and proficiency with ASP.NET, C#, .NET, SQL Server, RESTful APIs, Azure DevOps, and Git. Bachelor's degree in Computer Science or related field desired.
ASP.NET, C#, .NET Core, SQL Server 2019, Microsoft Visual Studio 2019, JavaScript, Dapper, AutoMapper, .NET Framework 4.8, RESTful APIs, HTML5, XML, XSLT, CSS, jQuery, JSON, AJAX, RabbitMQ, OAuth, JWT, Microsoft Azure DevOps, Git, JAD, Service-Oriented Architecture (SOA)
1mo
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Senior Mobile Developer
Utah or Wisconsin or Alaska or Arkansas or Washington or Arizona or Virginia or Alabama or Texas or Pennsylvania or Oregon or Oklahoma or Ohio or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kansas or Iowa or Indiana or Idaho or Florida or Delaware or Connecticut or Missouri or Colorado or California or Wyoming
$125k-$135k/yr RemoteFull Time
8+ YOEExpertise in Kotlin and Swift, modern mobile UI frameworks, mobile architectures and DI, REST API integration, mobile testing, CI/CD tooling, AI-assisted development experience, bachelor's or equivalent, 8+ years software development.
Kotlin, Swift, Jetpack Compose, SwiftUI, The Composable Architecture, MVVM, Koin, Retrofit, OkHttp, URLSession, JUnit, Mockito, Robolectric, Espresso, Compose UI test, XCTest, XCUITest, Gradle, Swift Package Manager, Bitrise, Fastlane, GitHub Copilot, Claude, Cursor, ChatGPT
4w
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Engineer II
Newark or Indianapolis
HybridFull Time
4+ YOEBachelor's degree or equivalent,4+ years developing enterprise applications using Python and SQL,experience with APIs, integrations, MuleSoft, rules engines, CI/CD,Azure DevOps;strong analytical and communication skills.
Python, SQL, MuleSoft, Camunda, Drools, DMN, Azure DevOps, AWS, Snowflake
4d
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Software Development Engineer II
Columbus or Alabama or Arizona or Arkansas or Delaware or Florida or Georgia or Iowa or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maine or Maryland or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or Nebraska or New Hampshire or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Virginia or Wisconsin or West Virginia or Wyoming
$100k-$125k/yr RemoteFull Time
3+ YOEBachelor’s degree in computer science, software engineering, or related field; 3+ years of software development experience; programming, APIs, cloud, databases, Git, CI/CD, and agile development expertise.
C#, .NET, Java, Python, JavaScript, Azure, AWS, Google Cloud, Git, Visual Studio, .NET Core, Spring Boot, React, Angular, SQL Server, PostgreSQL, MongoDB
3w
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Software Engineer I
Columbus or Alaska or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Vermont or Washington or West Virginia or Wisconsin or Wyoming
$82k-$101k/yr HybridFull Time
Bachelor's degree in computer science, engineering, or related field; software engineering experience preferred. Requires AWS, APIs, databases, cloud, Agile, testing, and distributed systems familiarity.
AWS, APIs, databases, telemetry, logging platforms, Microsoft Excel
5d
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Staff Software Engineer: Growth Engineering
United States or Hawaii or California or New York City or Seattle or Washington or Texas or Connecticut or Illinois or Massachusetts or New Hampshire or New Jersey or Oregon or Rhode Island or Vermont or Alabama or Alaska or Arizona or Arkansas or Colorado or Delaware or Florida or Georgia or Idaho or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Michigan or Minnesota or Mississippi or Missouri or Montana or Nebraska or Nevada or New Mexico or North Carolina or North Dakota or Ohio or Oklahoma or Pennsylvania or South Carolina or South Dakota or Tennessee or Utah or Virginia or West Virginia or Wisconsin or Wyoming
$137k-$203k/yr RemoteFull Time
8+ YOERequires 8+ years of software development experience, 2+ years of full-stack web development, and expertise with Python, JavaScript/TypeScript, React, React Native, APIs, databases, technical leadership, and mentoring.
Python, Django, Flask, FastAPI, aiohttp, GraphQL, REST, React, React Native, TypeScript, Redux, Vite, PostgreSQL, Redis, Docker, Amazon Web Services (AWS), ECS, RDS, CloudFront, SQL, bash, SSO SAML, OIDC, JWT, AI, LLM
6d
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Software Engineer III
Philadelphia or Pennsylvania or New Jersey or Delaware or Maryland or Texas or Georgia or Iowa or Illinois or Indiana or Kansas or North Carolina or South Carolina or Tennessee or Vermont or West Virginia
$94k-$144k/yr RemoteFull Time
4+ YOERequires 4+ years of software development experience, AWS cloud experience, and a bachelor's degree or equivalent experience. Strong Python, serverless, API, IaC, DevOps, security, and distributed application skills required.
AWS Lambda, API Gateway, AppSync, SQS, SNS, EventBridge, Step Functions, DynamoDB, S3, Python, boto3, AWS SDKs, AWS CDK, CloudFormation, Terraform, CI/CD, IAM, Secrets Manager, CloudWatch, X-Ray, CloudTrail, Aurora/RDS, DocumentDB, Glue, Athena, Java, Spring Boot, JPA, Jakarta EE, Angular, TypeScript, JavaScript, HTML, CSS, GitHub Copilot, Amazon Q, ChatGPT, Agile/Scrum
2mo
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Software Engineer, AI
United States or Alabama or Alaska or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or Wyoming
$125k-$145k/yr RemoteFull Time
5+ YOEBachelor's (or equivalent) and 5+ years professional software development with C#/.NET; experience with AI agent frameworks, LLMs, Transformers/OpenAI/Hugging Face, REST APIs, cloud (Azure/AWS/GCP), MongoDB, and Git.
C#, .NET, LangChain, CrewAI, AutoGPT, MetaGPT, GPT, Claude, Mistral, Transformers, OpenAI API, Hugging Face, REST APIs, Azure, AWS, GCP, MongoDB, Git, Docker, CI/CD, Azure AI Foundry, Microsoft ConfigMgr, Microsoft Intune, Microsoft WSUS
1w
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Sr. Lead Software Engineer
New York City or Wilmington
$176k-$260k/yr OnsiteFull Time
5+ YOE5+ years of applied software engineering experience with distributed-system architecture, microservices, APIs, cloud-native multi-cloud or hybrid environments, AWS, Java, Python, and React; architecture leadership required.
Kafka, AWS, Java, Python, React, Redis, Memcached, Airflow, Temporal, TOGAF, CI/CD, SDLC, TLM, APIs
1mo
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Mulesoft Developer
Newark, Delaware, United States
OnsiteContract
Design and implement MuleSoft integrations and APIs; integrate with Salesforce, AWS, Snowflake/EDW; support CI/CD, monitoring, security, and production support; collaborate with architects and product teams.
MuleSoft Anypoint Platform, Salesforce, AWS, Snowflake, Enterprise Data Warehouse (EDW), CI/CD
1mo
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Developer Relations Marketing (Contractor)
United States or Arizona or California or Colorado or Delaware or Maryland or Massachusetts or Missouri or New Jersey or Nevada or New York or North Carolina or Oregon or Oklahoma or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$127k-$206k/yr RemoteContract
5+ YOERequires 5–8 years in developer relations, developer or technical marketing, or advocacy; experience with cloud, infrastructure, identity, cybersecurity, APIs, AI, or developer platforms; strong technical communication and community-building skills.
GitHub, SDKs, APIs
1w
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Senior Full-Stack Developer - AI
Farmers Branch or Idaho or Arkansas or Texas or Georgia or Montana or Iowa or Wisconsin or Oregon or Washington or New York or District of Columbia or Connecticut or Nebraska or Rhode Island or Tennessee or Kentucky or Ohio or West Virginia or Maryland or Massachusetts or South Carolina or Missouri or Utah or Arizona or South Dakota or Pennsylvania or New Hampshire or Vermont or Minnesota or New Mexico or Michigan or California or Maine or North Dakota or Kansas or Indiana or New Jersey or Nevada or Louisiana or Mississippi or Oklahoma or Alabama or Virginia or Scottsdale or Illinois or North Carolina or Colorado or Florida or Wyoming or Delaware
$83k-$222k/yr HybridFull Time
7+ YOERequires 7+ years software development, 5+ years scalable microservices and REST APIs, 3+ years Python and messaging systems, 2+ years technical leadership, cloud, CI/CD, Git, containers, and orchestration experience.
Java, Spring Boot, React, REST APIs, JPA, Python, FastAPI, Flask, Kafka, RabbitMQ, ActiveMQ, AWS SQS/SNS, LangGraph, LangChain, GCP, GKE, Cloud Run, Cloud Build, IAM, Jenkins, GitHub Actions, Argo, GitHub, GitLab, Docker, Kubernetes, MongoDB Atlas, Claude, OpenAI, Gemini, Vertex AI
2mo
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AI Solutions - Agent Engineer
United States or Delaware or Florida or Iowa or Illinois or Indiana or Kentucky or Maryland or Michigan or Minnesota or Missouri or Maine or Nebraska or North Dakota or New Jersey or Pennsylvania or Rhode Island or South Dakota or Texas or Wisconsin
$110k-$176k/yr RemoteFull Time
3+ YOEBachelor's degree; 3+ years software/solution engineering experience; hands-on with LLMs, agent systems, Python, APIs/SDKs; cloud and production deployment experience; strong communication and problem-solving.
Python, APIs, SDKs, LLMs
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Python Developer | Wilmington/New York, US
Wilmington or New York City
$42k-$147k/yr OnsiteFull Time, Contract
5+ YOE5+ years of software engineering experience with advanced Python, backend and REST API development, databases, cloud platforms, testing, Docker, CI/CD, and distributed systems. Bachelor's or master's degree required.
Python, Python 3.x, FastAPI, Flask, Django, REST, PostgreSQL, MySQL, Oracle, MongoDB, DynamoDB, Redis, Git, PyTest, unittest, asyncio, Docker, AWS, Azure, GCP, Kafka, RabbitMQ, SQS, Kubernetes, Generative AI, LLMs, LangChain, LangGraph, OpenAI SDK
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Associate Database Platform Developer
Wilmington, Delaware, United States
HybridFull Time
Programming experience in Python, Perl, Java, or similar; relational database and SQL knowledge; software development fundamentals, version control, code reviews, testing, problem-solving, and teamwork.
Python, Perl, Java, SQL, SQL Server, Snowflake, APIs, CI/CD
1w
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Senior Full Stack .NET Developer
Detroit or United States or Michigan or Ohio or Indiana or Illinois or Wisconsin or Minnesota or Iowa or Missouri or Arkansas or Louisiana or Mississippi or Alabama or Georgia or Florida or South Carolina or North Carolina or Virginia or West Virginia or Kentucky or Tennessee or Maryland or Delaware or Pennsylvania or New Jersey or New York or Connecticut or Rhode Island or Massachusetts or Vermont or New Hampshire or Maine or Texas or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Montana or Idaho or Utah or Arizona or New Mexico or Nevada or California or Oregon or Washington or Alaska or Hawaii
$150k-$175k/yr RemoteFull Time
5+ YOERequires 5+ years of software development experience, advanced C#/.NET skills, modern frontend experience, APIs, microservices, databases, Agile practices, testing, CI/CD, and independent project delivery.
C#, .NET, Angular, Vue.js, React, RESTful APIs, SQL Server, PostgreSQL, MySQL, Redis, Elasticsearch, Kafka, Snowflake, Cassandra, Scrum, Kanban, TDD, CI/CD, GitHub Copilot, ChatGPT, Claude, Cursor, Docker, AWS, Microsoft Azure, GCP, Kubernetes, Apollo
1w
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Sr Actuarial Solutions Engineer
United States or California or New Jersey or New York or Washington or Hawaii or Alaska or Maryland or Connecticut or Rhode Island or Massachusetts or Nevada or Oregon or Arizona or Colorado or Wyoming or Texas or North Dakota or Minnesota or Missouri or Illinois or Wisconsin or Florida or Georgia or Michigan or Ohio or Virginia or Pennsylvania or Delaware or Vermont or New Hampshire or Maine or Utah or Idaho or Montana or New Mexico or South Dakota or Nebraska or Kansas or Oklahoma or Iowa or Arkansas or Louisiana or Mississippi or Alabama or Tennessee or Kentucky or Indiana or South Carolina or North Carolina or West Virginia
$84k-$162k/yr RemoteFull Time
5+ YOEBachelor's degree or equivalent experience and 5+ years in actuarial analytics, insurance technology, solution engineering, or related work. Requires P&C insurance knowledge, SQL, large-data analysis, APIs, and systems design.
Python, C++, Rust, SQL, APIs, JSON, XML, Confluence, Jira, Miro, Microsoft Office
2mo
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Full-Stack Engineer (Backend Focused)
Los Angeles or Alabama or Alaska or Delaware or District of Columbia or Hawaii or Iowa or Louisiana or Mississippi or Nebraska or New Mexico or Rhode Island or South Dakota or West Virginia or United States
$140k/yr HybridFull Time
2+ YOE2+ years software engineering experience; strong backend skills with Node and TypeScript/JavaScript, frontend experience with React, SQL/relational databases, distributed systems and API development.
Node, TypeScript, JavaScript, React, SQL, MySQL, GCP Cloud SQL
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