14 api developer jobs at 11 companies in Sioux Center, IA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
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
5d
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Developer I
Sioux Falls, South Dakota, United States
OnsiteFull Time
POET
POET: Converts agricultural resources into sustainable energy and bioproducts
Bachelor's degree in computer science/engineering, strong OOP skills, experience with .NET/C#/ASP.NET, SQL, Microsoft Visual Studio, software development lifecycle, and teamwork.
.NET, C#, ASP.NET, Microsoft Visual Studio, SQL, Microsoft Office Suite, MVC, Blazor, .NET Core, Web APIs, JavaScript, MS SQL Server
2mo
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Sr. Software Engineer
Milford or Cocoa Beach or Orlando or Sioux Falls or Orlando or Jacksonville or Columbus or York Haven or Birmingham or Augusta or Nashville or Houston or Dallas or Albuquerque or Columbia or Milwaukee or McAllen or El Paso or San Antonio or Salt Lake City or Charlotte or Phoenix or Sunrise or Louisville or Sunrise
$150k-$175k/yr OnsiteFull Time
BeneLynk
BeneLynk: Provides social care advocacy and government benefit enrollment assistance.
8+ YOE8+ years software development; strong in C#/.NET; REST APIs; Azure; scalable SaaS; distributed teams; healthcare/regulatory context.
C#, NET, REST APIs, Azure, SQL, SaaS
4d
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Senior Software Engineer
Sioux Falls, South Dakota, United States
HybridFull Time
Central Payments
Central Payments: Provides banking-as-a-service and payment technology platforms.
5+ YOE5+ years developing scalable enterprise applications and APIs using C#, Java, React, MSSQL/PostgreSQL; strong architecture, CI/CD, cloud (AWS/Azure), troubleshooting, and communication skills.
C#, Java, React, MSSQL, PostgreSQL, AWS, Azure
1mo
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Software Engineer 3
Sioux Falls or United States
HybridFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEBachelor's in CS/CIS or related and 5+ years post-baccalaureate experience. Required: geospatial application design/deployment, Python data workflows, JavaScript (Node.js, React), relational DB (MySQL/PostgreSQL), Unix/Linux, APIs; container and DB admin experience.
Apache Airflow, Python, Kubernetes, JavaScript, Node.js, React, MySQL, PostgreSQL, SQL, Unix, Linux, APIs
1mo
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Sr. Software Engineer - Le Mars, IA or Chicago, IL - Hybrid
Chicago or Le Mars
$104k-$146k/yr HybridFull Time
Wells Enterprises
Wells Enterprises: Manufacturer of ice cream and frozen dessert products.
5+ YOEBachelor's in IT or equivalent experience; 5–7 years development experience; strong Oracle EPM Cloud, SQL and Oracle PL/SQL skills; end-to-end project delivery, troubleshooting, and integration experience; familiarity with Java, Groovy, APIs, HTML, XML, Oracle E-Business Suite, Microsoft Office/Visio, Unix/Linux/Windows, and MS SQL Server.
Oracle EPM Cloud, SQL, Oracle PL/SQL, Oracle Developer, Java, Groovy, APIs, HTML, XML, Oracle E-Business Suite, Microsoft Office Suite, Microsoft Visio, Unix, Linux, Windows, Microsoft SQL Server
1mo
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Member of Technical Staff, Agentic Banking (Product Engineer)
New York or San Francisco or Sioux Falls or Porto or Singapore or United States
RemoteFull Time
Anchorage Digital
Anchorage Digital: Institutional-grade digital asset custody, trading, and infrastructure platform.
8+ YOE8+ years full‑stack development experience; strong product judgment; build frontend, backend, APIs, and docs; familiarity or willingness to learn crypto/financial systems; excellent written communication and AI-assisted execution skills.
3d
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Cloud Software Engineer
Worthing, South Dakota, United States
OnsiteFull Time
Puck Enterprises
Puck Enterprises: Manufactures liquid transfer equipment and slurry handling systems.
3+ YOE3+ years building production applications with C#/.NET and Microsoft Azure; experience with REST APIs, relational databases, CI/CD, and debugging; BS in CS or equivalent preferred.
C#, .NET, Microsoft Azure, REST, Entity Framework, Entity Framework Core, SQL, ASP.NET Core, App Service, Functions, Azure SQL, Service Bus, Storage Accounts, Key Vault, Application Insights, Monitor, Entra ID, CI/CD, Docker, Kubernetes
1w
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BSS Systems Engineer
Winona or Sergeant Bluff or Maricopa or Hagerstown or Burlington or New Knoxville
$85k-$115k/yr RemoteFull Time
Schurz Communications
Schurz Communications: Broadband, cloud services, and digital media provider.
5+ YOE5+ years with BSS/OSS in telecom, experience with CRM, billing, provisioning, scripting (Python, Bash, SQL), REST APIs, data flows/ETL, IP networking fundamentals, strong troubleshooting and cross-functional communication.
Python, Bash, SQL, REST APIs, webhooks, middleware, DHCP, RADIUS, DNS, eTOM, SID, Open APIs
1w
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BSS Systems Engineer
Winona or Sergeant Bluff or Maricopa or Hagerstown or Burlington or New Knoxville
$85k-$115k/yr RemoteFull Time
Schurz Communications
Schurz Communications: Family-owned provider of broadband, cloud, and IT services.
5+ YOE5+ years with BSS/OSS in telecom/ISP, hands-on CRM, billing and BI platforms, scripting in Python/Bash/SQL, REST API integration, IP networking fundamentals, strong troubleshooting and communication, bachelor’s degree or equivalent.
Python, Bash, SQL, REST APIs, CRM, BI, DHCP, RADIUS, DNS, PON, DOCSIS, TM Forum, Open APIs
3w
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Software Engineer II - Backend APIs and Services (Sioux Falls, SD, US)
Sioux Falls, South Dakota, United States
$83k-$127k/yr OnsiteFull Time
CNH
CNHNYSE: CNH: Designs and manufactures agricultural and construction machinery.
2+ YOEBachelor's degree or equivalent experience, 2+ years commercial software experience, proficiency with .NET Core, Entity Framework, SQL (PostgreSQL, Microsoft SQL), cloud (Azure/AWS), Git, REST/SOAP, debugging, and teamwork.
.NET Core, Entity Framework, PostgreSQL, Microsoft SQL, SQL, Azure, AWS, Git, REST, SOAP, Terraform, Apache Kafka, MongoDB, Atlassian
3d
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Senior Software Engineer, Cloud Platforms
Worthing, South Dakota, United States
OnsiteFull Time
Puck Enterprises
Puck Enterprises: Manufactures liquid transfer equipment and slurry handling systems.
6+ YOE6+ years building and operating production systems with C#/.NET and Microsoft Azure; strong API, SQL, CI/CD, debugging, and communication skills.
C#, .NET, ASP.NET Core, Microsoft Azure, App Service, Functions, Azure SQL, Service Bus, Storage Accounts, Key Vault, Application Insights, Monitor, Entra ID, Entity Framework, Entity Framework Core, SQL, CI/CD, Docker, Kubernetes
1w
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Senior Monitoring Engineer
Sioux Falls, South Dakota, United States
$33-$52/hr OnsiteFull Time
Sanford Health
Sanford Health: Operates an integrated network of hospitals and healthcare facilities.
5+ YOEBachelor's in related field, 2+ years hands-on monitoring operations and 5+ years industry experience; experience with enterprise monitoring platforms, log aggregation/SEIM, scripting, and strong communication skills.
JSON, Rest API, PowerShell, Python, Perl, bash, VBScript, Dynatrace, PagerDuty, VictorOps, Solarwinds, Cacti, Nagios, Zabbix, Data Dog, AppDynamics, New Relic, LogRythm, Splunk, Graylog, Scalyr, ELK, ServiceNow Event Management, SEIM
1mo
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Member of Technical Staff, Atlas
United States or New York City or San Francisco or Porto or Singapore or Sioux Falls
RemoteFull Time
Anchorage Digital
Anchorage Digital: Institutional-grade digital asset custody, trading, and infrastructure platform.
8+ YOE8+ years building backend services, designing customer-facing APIs and cloud-native microservices; production on-call experience; strong CS fundamentals; mentoring and architecture leadership.
C++, Go, Kubernetes, TypeScript, React
1mo
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Staff Software Architect
Sioux Falls or United States
$120k-$180k/yr HybridFull Time
SONIFI Solutions
SONIFI Solutions: Provides interactive technology for hospitality and healthcare industries.
10+ YOE10+ years software engineering experience with deep architecture expertise; strong AWS/cloud-native, microservices, API design (REST/GraphQL), Linux, containerization (Docker/Podman), CI/CD, and programming in Python, JavaScript/TypeScript, Go, or C++.
AWS, OpenAI, AWS Bedrock, Linux, Docker, Podman, REST, GraphQL, Python, JavaScript, TypeScript, Go, C++, CI/CD, OAuth2, OIDC, C4