72 sr api developer jobs at 43 companies in Atchison, KS
1d
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Sr. Software Engineer
Lenexa, Kansas, United States
HybridFull Time
6+ YOEBachelor's degree in computer science or equivalent, or equivalent experience; 6+ years of experience, including 4+ years in software development with .NET, C#, JavaScript, React, SQL Server, APIs, testing, and Agile methods.
.NET, C#, JavaScript, React, SQL Server, .NET Core, Azure, OAuth, OpenID Connect, Microsoft Office Suite
2mo
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Sr. Software Engineer - .NET
Overland Park, Kansas, United States
OnsiteFull Time
4+ YOEBachelor's degree or equivalent; 4-6 years experience; .NET/C#, Angular, REST APIs; PostgreSQL; CI/CD.
.NET, C#, Angular, REST API, PostgreSQL, Google Cloud Platform, Terraform, Docker, Kubernetes, AI tools
2mo
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Sr. AI Integration Engineer
Des Moines or Ashburn or Austin or Chaska or Chicago or Dallas or Lewisville or Kansas City or Nashville or Florida or Georgia or North Carolina or New Jersey or Pennsylvania
HybridFull Time
5+ YOE5+ years in software engineering, systems integration, and AI-enabled workflow delivery; experience with enterprise integrations (ServiceNow, Salesforce), cloud deployments, Python, APIs, and middleware.
Python, JavaScript, TypeScript, Java, C#, APIs, ServiceNow, Salesforce, Kubernetes, Docker, AWS, Azure, GCP, SQL, LangChain, LlamaIndex, Semantic Kernel
2d
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Sr Engineer, Software
Overland Park or Bellevue or Atlanta
$114k-$205k/yr OnsiteFull Time
4+ YOEBachelor's degree in computer science or engineering, 4–7 years of technical engineering experience, Java Spring Boot, RESTful APIs, Agile/Scrum, DevOps, CI/CD, and AI/ML experience; U.S. work authorization required.
Java, Spring Boot, RESTful APIs, Agile, Scrum, DevOps, CI/CD, Splunk, AppD, Grafana, RabbitMQ, Kafka, Docker, Kubernetes, AI/ML, machine learning, automation frameworks
1mo
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Sr. Solution Engineer
Kansas City, Kansas, United States
HybridFull Time
8+ YOE8+ years supporting enterprise applications; experience with cloud application development, implementation, integration, and support; SDLC knowledge; Java, CAWA, CLEO/Harmony (FTP/SFTP), APIs, ERP, POS, and RELEX experience preferred; strong communication skills.
Java, CAWA, CLEO, Harmony, FTP, SFTP, APIs, Web services, Middleware, ERP, POS, RELEX, SDLC, Agile, Waterfall
3mo
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Sr. Android Engineer (Tulsa, OK, US, 74101)
Tulsa or Dallas or Houston or Kansas City or Lincoln or Little Rock or Memphis or Oklahoma City or Phoenix or Salt Lake City or San Antonio or Springfield or St. Louis
OnsiteFull Time
8+ YOE8+ years software engineering; 3-5 years building production Android apps with Kotlin and Jetpack Compose; strong API, CI/CD, testing experience.
Kotlin, Jetpack Compose, AWS, REST APIs, JUnit, Espresso, Mockito, Firebase, New Relic, CircleCI, Fastlane, GitHub Copilot, Claude
3w
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Sr. Operations Resilience Engineer
Overland Park, Kansas, United States
$102k-$132k/yr HybridFull Time
5+ YOEBachelor's degree,5+ years computer/infrastructure experience,expertise with operational resilience frameworks and incident/BCP/DR/change management,APIs,cloud automation,CI/CD,Python or PowerShell,strong communication and audit experience.
Atlassian Suite, Python, PowerShell, APIs, CI/CD
2mo
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Staff Software Engineer
Allen or Birmingham or Cedar Falls or Charlotte or Lenexa or Louisville or Monett or Springfield
HybridFull Time, Contract
9+ YOE9+ years software development; 4+ years C# or Go; 3+ years APIs/Web Services; design patterns/SOLID experience.
C#, Go, APIs, Web Services, SOLID principles, Google Cloud Platform
2mo
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Senior Application Developer
Overland Park, Kansas, United States
OnsiteFull Time
5+ YOESenior software developer with 5+ years in C#, .NET, SQL Server, EF, WCF, WPF, Prism; strong OO/design patterns; REST APIs; CI/CD; Agile; excellent communication; supports manufacturing/OT.
C#, ASP.NET, NET Core, NET 8+, SQL Server, Entity Framework, WCF, WPF, Prism, RESTful APIs, Git, CI/CD
1d
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*Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
5+ YOEFive years of software design and development experience, including full-stack web development, C#, .NET, Angular, TypeScript, Azure, databases, testing, version control, and cloud-native architectures.
Angular, .NET Core, Web API, Azure DevOps, Postman, Git, JavaScript, jQuery, HTML5, CSS3, XAML, MS Test, XUnit, Jasmine, Jest, C#, ASP.NET, .NET Framework, T-SQL, Azure Cosmos DB, Microsoft SQL Server, PostgreSQL, Oracle, WCF, RESTful Web Services, Silverlight, LinqPad, Visual Studio, Visual Studio Code, TFS, TypeScript, Lens, Node.js, Azure Functions, Azure Service Bus, Azure Kubernetes Service (AKS), Azure Blob Storage, Application Insights, Datadog, CI/CD, GraphQL, microservices
2d
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*Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's degree or equivalent and 5 years of software design and development experience, including full-stack web development, C#, .NET, Angular, TypeScript, cloud technologies, databases, testing, and CI/CD.
Angular, Azure DevOps, Microsoft .NET Core, Web API, Postman, Git, JavaScript, jQuery, HTML5, CSS3, XAML, MS Test, XUnit, Jasmine, Jest, C#, ASP.NET, Microsoft .NET Framework, T-SQL, Azure Cosmos DB, Microsoft SQL Server, PostgreSQL, Oracle, WCF, RESTful Web Services, Silverlight, LinqPad, Visual Studio, Visual Studio Code, TFS, TypeScript, Lens, Node.js, Azure Functions, Azure Service Bus, Azure Kubernetes Service (AKS), Azure Blob Storage, Application Insights, Datadog, CI/CD, GraphQL, microservices
3d
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
1mo
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SAP ABAP Developer
Kansas City, Kansas, United States
$100k-$203k/yr RemoteFull Time
5+ YOERequires advanced SAP ABAP for HANA expertise, 5+ years SAP development (with 2‑year degree) or 10+ years experience, RAP ABAP/OData/RICEFW experience, integration experience, and U.S. citizenship with ability to obtain Public Trust clearance.
SAP ABAP, RAP ABAP, OData, BADIs, User Exits, Forms, Workflows, RICEFW, IDocs, APIs, SOAP, SAP Integration Suite, AMDP, CDS, Fiori, SAP S/4HANA
1mo
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Principal Chemist - IPS-Synthesis & API Mfg
Kansas City, Missouri, United States
$117k-$125k/yr OnsiteFull Time
4+ YOEHands-on synthetic organic chemistry experience for small-molecule API route and process development, cGMP manufacturing knowledge (21 CFR 210/211), ability to execute lab-to-early-phase manufacturing scale-up; advanced degree and multi-year experience preferred.
IR, MS, NMR, U/HPLC
2w
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Generative AI Engineer
Kansas City, Missouri, United States
HybridContract
8+ YOE8+ years experience in generative AI, LLMs, RAG, agentic AI frameworks, Python, API development, Azure/GCP, workflow automation and document intelligence; banking experience and AI governance preferred.
Python, Azure, GCP, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Agentic AI Frameworks
1mo
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Senior Software Engineer, Cloud and AI
Lincoln or Grand Island or Kearney or Kansas City or Overland Park or West Des Moines or Omaha
OnsiteFull Time
6+ YOE6+ years software development experience; expertise with Google Cloud Platform, AI integration, serverless and container technologies, Python/JavaScript/TypeScript, SQL/NoSQL, CI/CD, IaC, REST/GraphQL APIs, and secure cloud development.
Google Cloud Platform (GCP), Cloud Run, Cloud Functions, Google Kubernetes Engine (GKE), Cloud SQL, Spanner, Firestore, Bigtable, Agent Development Kit, Antigravity, TensorFlow, PyTorch, Docker, Python, JavaScript, TypeScript, REST, GraphQL, Apigee, API Gateway, GitLab, OpenTofu, Terraform, SQL
1d
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*Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's degree or equivalent in a technology field and five years of software design and development experience, including two years with Angular, TypeScript, Azure cloud technologies, CI/CD, GraphQL, and microservices.
JavaScript, jQuery, HTML5, CSS3, XAML, MS Test, XUnit, Jasmine, Jest, C#, ASP.NET, .NET Framework, .NET Core, T-SQL, Azure Cosmos DB, Microsoft SQL Server, PostgreSQL, Oracle, WCF, RESTful Web Services, Silverlight, Postman, LinqPad, Microsoft Visual Studio, Microsoft Visual Studio Code, Git, TFS, TypeScript, Angular, Lens, Node.js, Azure Functions, Azure Service Bus, Azure Kubernetes Service (AKS), Azure Blob Storage, Azure DevOps, Application Insights, Datadog, CI/CD, GraphQL, Web API, microservices
1mo
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IT SAP Technical Developer III (Modern Developer - BTP and AI Focus
Kansas City, Kansas, United States
OnsiteFull Time
Dairy Farmers of America: Produces and distributes milk, cheese, butter, and dairy ingredients.
5+ YOEBachelor's degree or equivalent, 5+ years ABAP development in SAP ECC/S/4HANA, experience with ABAP, integrations (IDocs, BAPIs, RFCs, OData), SAP BTP, SAP Fiori/UI5, ADT, HANA, CAP/RAP, Node.js/Java/Python preferred, and ability to work on-call.
ABAP, SAP Business Technology Platform (BTP), SAP S/4HANA, IDocs, ALE, BAPIs, RFCs, APIs, OData services, web services, SAP Build, CDS views, SAP Fiori, SAPUI5, ABAP Development Tools (ADT), SAP HANA, ABAP Cloud, CAP, RAP, Node.js, Java, Python
2w
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Senior Software Engineer
Mission, Kansas, United States
RemoteFull Time
5+ YOE5+ years IT experience designing and supporting enterprise integrations, middleware, APIs, automation, analytics, and production support; bachelor's degree preferred; strong troubleshooting and communication skills.
REST, SOAP, JSON, XML, SQL, SAP BusinessObjects, Power BI, UKG Ready
1mo
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Software Engineer III
Minnesota or Illinois or Kansas City
$103k-$231k/yr RemoteFull Time
5+ YOE5+ years building production software with Python and React; experience with cloud-native Azure and Kubernetes, data platforms (MongoDB, Snowflake), Airflow, CI/CD, API and distributed system design, and agentic/LLM frameworks.
Python, React, Microsoft Azure, Kubernetes, Airflow, MongoDB, Snowflake, CI/CD, GitHub Copilot, LangChain, LangSmith, DataDog, Prometheus, Grafana