582 api developer jobs at 278 companies in Porter, IN
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z/OS Connect API Engineer
Chicago or Atlanta or Dallas or New Jersey or Nashville
$73k-$174k/yr OnsiteFull Time
Experienced engineer skilled in IBM z/OS Connect, REST APIs, OpenAPI, CICS, COBOL, DB2, enterprise security, CI/CD, GitHub, and Gradle; able to modernize mainframe services.
IBM z/OS Connect Enterprise Edition, REST, OpenAPI, Swagger, YAML, JWT, OAuth 2.0, OpenID Connect (OIDC), RACF, GitHub Actions, Gradle, CICS, COBOL, DB2, GitHub, Git, JSON, XML, Java, Spring Boot
5d
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Lead Software Engineer, API Integrations
Chicago, Illinois, United States
$150k-$170k/yr HybridFull Time
7+ YOERequires 7–10+ years designing, developing, implementing, and supporting applications, with expertise across .NET, C#, APIs, databases, Azure cloud, integrations, security, and enterprise architecture.
Microsoft .NET Framework, Microsoft .NET Core, C#, ASP.NET Core, Web API, JSON, Entity Framework, React, HTML5, CSS, JavaScript, jQuery, AJAX, VB.NET, SQL, PL/SQL, TypeScript, Python, Java, Node.js, ASP.NET, Web Forms, MVC, LINQ, SQL MI, SQL Server, SSIS, Databricks, Azure Data Factory, JIRA, GitHub, Jenkins, Azure DevOps, ASP.NET Core Identity, Entra ID, OAuth, OpenID, Microsoft Azure, Azure App Services, Azure Functions, Azure Storage, Azure Key Vault, Azure Monitor, Application Insights, Azure AD, Fenergo CLM, Salesforce CRM
2mo
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Senior Software Engineer (Hogan API)
Hopkins or Atlanta or Chicago or Charlotte or Englewood or Brookfield or Irving
$120k-$141k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent and 5+ years relevant experience. Experience with mainframe/Hogan development (COBOL, JCL, CICS), APIs, system design, testing, security, and cross-team collaboration; Scrum familiarity.
Hogan COBOL, JCL, CICS, JSON, Splunk, IMS Database, GitLab, IDz/RDz (IBM Developer for zOS), Jira
2mo
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Senior Software Engineer - Customer Integrations (API)
United States or New York City or Dallas or Austin or Houston or Chicago or Nashville or Miami or Atlanta
$140k-$160k/yr RemoteFull Time
3+ YOE3+ years building backend services with Go/Java/Python/C#; strong API design, SQL/PostgreSQL, cloud (AWS/Azure/GCP/OCI) and Terraform experience; professional software engineering experience and strong communication/system design skills.
Go, Java, Python, C#, SQL, PostgreSQL, AWS, Azure, GCP, OCI, Terraform
5d
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Sr. Software Engineer II, Platform/API
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or country_code
$140k-$190k/yr HybridFull Time
6+ YOE6+ years building and operating backend services; Node.js, TypeScript, SQL, Docker, Kubernetes, cloud, event-driven architecture, and workflow reliability expertise. Bachelor's or master's degree or equivalent experience.
Node.js, TypeScript, Kafka, Google Cloud Pub/Sub, SQL, Docker, Kubernetes, Google Cloud Platform, Codex, Cursor, Claude Code, Statsig
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Software Developer
Chicago or Illinois or United States
$80-$85/hr HybridFull Time, Contract
5+ YOERequires 5+ years of software development experience, Microsoft Power Platform, SQL Server, Oracle, Power BI, Dataverse, SharePoint, APIs, Power Fx, and stakeholder collaboration experience.
Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, SQL Server, Oracle, Dataverse, Microsoft SharePoint, APIs, Microsoft Power BI, DAX, Power Query, Power Fx, Microsoft Teams
2w
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Software Engineer I
Chicago, Illinois, United States
$80k-$100k/yr RemoteFull Time
2+ YOEBachelor's degree or equivalent experience; 2–4 years developing software with Microsoft's platform; C#, ASP.NET/MVC, Web APIs, WCF, SQL Server, RESTful APIs, and cloud familiarity.
Microsoft platform, C#, ASP.NET, MVC, Web APIs, WCF, SQL Server, TDD, CI/CD, Agile, RESTful APIs, Azure, AWS, Joget, VB6, Classic ASP, HIPAA, HITECH
3w
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Salesforce for Nonprofits: Salesforce Developer
Chicago, Illinois, United States
RemoteContract
4+ YOE4+ years Salesforce Platform development, nonprofit technical solutions experience, strong communication, Salesforce Admin and Platform Developer I/App Builder certification, expertise in Apex, LWC, Flows, Visualforce, REST API, OOP and relational databases.
Salesforce, Flow, Apex, Lightning Web Components, Visualforce, REST API, MuleSoft, GitHub, Bitbucket, Workato, Zapier, ETL, Experience Cloud
1mo
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Lead Software Engineer–Omnichannel APIs
Louisville or Charlotte or Tampa or Fort Lauderdale or Washington or Chicago or Frisco or Atlanta or New York City or Nashville or Boston
$129k-$178k/yr RemoteFull Time
Design, develop, secure, and support enterprise omnichannel APIs; strong API security, resiliency, observability, and production troubleshooting; experience with AI-assisted engineering and leading technical delivery.
Postman, SoapUI, CI/CD, API gateway
3mo
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Senior Software Engineer
Chicago, Illinois, United States
$153k/yr RemoteFull Time
5+ YOERequires advanced Python development, relational/vector databases, cloud services, and AI/ML concepts with REST APIs and CI/CD.
Python, FastAPI, Flask, REST API, PostgreSQL, SQLAlchemy, Weaviate, Pinecone, Pandas, Plotly, Matplotlib, AWS, S3, RDS, API Gateway, Lambda, Redis, SQS, Celery, Git, CI/CD, GraphQL, OpenAI, Anthropic, MistralAI, UML
2mo
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Senior Developer
Columbus or Austin or Chicago or Detroit or Dallas or Houston
$57k-$113k/yr OnsiteFull Time
3+ YOE3+ years Java/J2EE development experience, Bachelor's degree or equivalent, REST API and JavaScript/Dojo proficiency, SQL skills, strong OOP and problem-solving, experience with enterprise integrations.
Java, J2EE, JavaScript, Dojo, SQL, RESTful APIs, IBM FileNet Content Management, IBM Case Manager, IBM BAW, WebSphere Application Server
2mo
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Principal Software Engineer
Charlotte or Chicago or Columbus or Hartford
$168k-$253k/yr HybridFull Time
12+ YOERequires 12+ years in enterprise application development, a computer science or engineering bachelor's degree, and expertise in Java, Spring Boot, Angular/TypeScript, SQL, APIs, cloud platforms, and distributed systems.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, CI/CD, DevOps, DevSecOps, Identity and Access Management, AI frameworks
2mo
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Senior Software Engineer
Andover or Boston or New York or Chicago or Menlo Park or Manchester or London or Tokyo
$140k/yr OnsiteFull Time
6+ YOE6+ years building production applications; experience with JavaScript/Node.js and/or Python, PostgreSQL/MySQL, AWS, API integrations, full-stack development, modern/AI-assisted dev tools; authorized to work in the US.
Javascript, Node.js, Python, PostgreSQL, MySQL, AWS, AI-assisted development tools, NetSuite APIs, APIs
2mo
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AI Software Developer
Grand Rapids or Denver or Chicago or Massachusetts or New Hampshire or New York or North Carolina or Oregon or Texas or Utah or Vermont or Virginia or United States or Canada
$120k-$160k/yr RemoteFull Time
3+ YOE3+ years professional software development; experience with Claude Code and Anthropic API; strong TypeScript and React; knowledge of prompt engineering, REST APIs, async patterns; ability to review AI-generated code and write tests.
Claude Code, Anthropic API, TypeScript, React, REST APIs
6d
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.Net Engineer
Chicago, Illinois, United States
$100k-$120k/yr OnsiteFull Time
6+ YOERequires C#, .NET Core, Web API, WCF, Oracle RDBMS, and SQL experience; 6+ years in C#/.NET and 2+ years with Web API and WCF. AWS and AI knowledge preferred.
C#, .NET Core, Web API, WCF, ASP.NET, VB.NET, Oracle RDBMS, SQL, AWS, AI
2mo
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Principal Software Engineer
Hartford or Charlotte or Columbus or Chicago
$168k-$253k/yr HybridFull Time
12+ YOE12+ years enterprise application development experience, bachelor’s degree in CS/Engineering required, hands-on with Java, Spring Boot, Angular/TypeScript, SQL, cloud (AWS), APIs/microservices, observability tools; strong communication and AI-first experience.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, event-driven architectures, Identity and Access Management, AI frameworks, CI/CD, DevSecOps
2w
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Sr Application Developer
Chicago, Illinois, United States
$42-$62/hr RemoteFull Time
5+ YOEBachelor's degree; 5 years of software development, system analysis, or application support experience; 3+ years developing Android/iOS applications; experience with web technologies, APIs, agile methods, and healthcare compliance.
Software Development Life Cycle (SDLC), Service-Oriented Architecture (SOA), Object-Oriented Analysis and Design (OOAD), UML, J2EE, HTML, CSS, .NET, SQL, JavaScript, RESTful APIs, Flutter, Epic, EMR, MyChart, FHIR, scrum, agile
6d
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Developer- Ops Automation
Chicago, Illinois, United States
$90k-$117k/yr OnsiteFull Time
3+ YOEBachelor's degree in a quantitative or analytical discipline, 3+ years in ETL/data integration and full-stack development, SQL and AI-enabled solution experience, and proficiency with .NET, React, APIs, and data visualization.
.NET, React, SQL, Python, Databricks, HTML5, CSS3, JavaScript, jQuery, Generative AI, machine learning, Spotfire, Tableau, Microsoft Power BI, ThinkCell
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iSeries Developer
Bedford Park, Illinois, United States
$90k-$120k/yr HybridFull Time
Experienced RPG developer needed for iSeries application development, modernization, testing, troubleshooting, and deployment; requires iSeries programming knowledge and insurance principles; bachelor's degree preferred.
iSeries, AS/400, RPG IV/ILE, RPG Free, SQL, CL, Visual Studio Code, IBM i, ChatGPT, Claude, APIs, web services
3mo
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Senior Software Engineer, Zaidyn
Chicago or New York or Princeton
HybridFull Time
3+ YOEBachelor’s or Master’s in CS/EE/math or related; 3-5 years software product development; full-stack SaaS experience; strong APIs, SOA/REST; English fluency.
Java, REST, SOA, Jenkins, Hibernate, Maven, TeamCity, APIs, OOP, DI/IoC, AWS
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