14 api engineer jobs at 11 companies in Sioux Center, IA
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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
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
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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
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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Senior Software Engineer, Cloud Platforms
Worthing, South Dakota, United States
OnsiteFull Time
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
3w
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Software Engineer
Sioux Falls, South Dakota, United States
OnsiteFull Time
2+ YOEBachelor's degree required; minimum 2 years experience in API development and SDLC; PEGA experience recommended; proficiency in English, coding languages, low-code platforms, and API specifications.
PEGA, API, SDLC, low code development platforms
3w
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Software Engineer
Sioux Falls, South Dakota, United States
OnsiteFull Time
2+ YOEBachelor's degree required; minimum 2 years API development and SDLC experience; PEGA experience recommended; API development certification preferred; strong English, communication, analytical and coding skills; on-call duties.
PEGA, API
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Software Engineer 3
Sioux Falls or United States
HybridFull Time
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
3w
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Developer I
Sioux Falls, South Dakota, United States
OnsiteFull Time
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
1d
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Software Engineer 2/3
Des Moines or Portland or Salt Lake City or Reno or Las Vegas or Sioux City or Davenport or Richmond
$89k-$128k/yr OnsiteFull Time
2+ YOEBachelor's degree in MIS, computer science, or related technical field or equivalent experience; 2 years for Engineer 2 or 5 years for Engineer 3; programming, database, integration, communication, and problem-solving skills.
Oracle, Oracle Integration Cloud, Oracle SOA Suite, WebLogic Server, Oracle Managed File Transfer, Linux, Python, Bash, Shell Scripting, PowerShell, Oracle Enterprise Manager (OEM), SolarWinds, Splunk, Grafana, SQL, PL/SQL, Oracle IDCS, OCI IAM, Azure SSO, SAML 2.0, OAuth 2.0, OpenID Connect, Basic Authentication, REST API, CI/CD, Oracle Cloud Infrastructure (OCI), Microsoft Azure, AWS, Git, GitHub, Kubernetes, Nutanix NKE, Docker, Podman, Microsoft SQL, Microsoft .NET, Microsoft BizTalk Server, Microsoft SharePoint, Microsoft SQL Reporting Services, Oracle Fusion, PGP, GPG
3w
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Senior Software Engineer
Sioux Falls, South Dakota, United States
HybridFull Time
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
3w
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Cloud Software Engineer
Worthing, South Dakota, United States
OnsiteFull Time
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
2mo
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Sr. Software Engineer - Le Mars, IA or Chicago, IL - Hybrid
Chicago or Le Mars
$104k-$146k/yr HybridFull Time
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
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.
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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
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
2mo
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Staff Software Architect
Sioux Falls or United States
$120k-$180k/yr HybridFull Time
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