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95 sr api developer jobs at 56 companies in Kansas

2mo
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Sr. Manager, Software Engineering - API
Florida or Texas or Illinois or New York or New Jersey or Alabama or Arizona or Arkansas or Colorado or Connecticut or Delaware or Georgia or Indiana or Kansas or Massachusetts or Missouri or North Carolina or Tennessee or Utah or Wisconsin
$174k-$189k/yr RemoteFull Time
TradeStation
TradeStation: Provider of online brokerage services and trading technology.
7+ YOE7+ MgmtLead API platform strategy, manage teams, design API governance, and drive cloud-native infrastructure—REST/GraphQL/gRPC with AWS/Kubernetes.
REST, GraphQL, gRPC, MCP, Kong, Apigee, AWS API Gateway, AWS, Kubernetes, OpenAPI/Swagger, Protocol Buffers, OAuth 2.0, JWT, mTLS, Istio, Linkerd, Terraform, CI/CD
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1d
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Sr. Software Engineer
Lenexa, Kansas, United States
HybridFull Time
BASYS Processing
BASYS Processing: Provides payment processing and merchant account services for businesses.
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
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2mo
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Sr. Software Engineer - .NET
Overland Park, Kansas, United States
OnsiteFull Time
WellSky
WellSky: Healthcare technology providing software for coordinated care delivery.
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
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4w
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Sr. Software Engineer
Olathe, Kansas, United States
$135k/yr HybridFull Time
PSI Services
PSI Services: Providing secure test development and global exam delivery services.
8+ YOEBachelor's in Computer Science, US citizenship, 8+ years software engineering experience; strong Java/JavaScript skills, API and microservices experience, Azure/AWS, ORM and relational DB experience.
Java, JavaScript, Spring Boot, Thymeleaf, Spring MVC, .NET, Go, React, Angular, CSS, HTML, Azure, AWS, Hibernate, MSSQL, GIT, JIRA
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4w
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Sr. Software Engineer
Olathe, Kansas, United States
$135k/yr HybridFull Time
PSI Services
PSI Services: Provides secure testing and professional certification assessment solutions.
8+ YOEBachelor's degree, US citizenship, 8+ years software engineering experience, proficiency with Java/Spring and modern web technologies, API and microservices experience, cloud (Azure/AWS), ORM and RDBMS, GIT and JIRA.
Java, JavaScript, Spring Boot, Thymeleaf, Spring MVC, .net, Go, React, Angular, CSS, HTML, Azure, AWS, Hibernate, MSSQL, GIT, JIRA
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2d
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Sr Engineer, Software
Overland Park or Bellevue or Atlanta
$114k-$205k/yr OnsiteFull Time
T-Mobile
T-MobileNASDAQ: TMUS: Provides wireless voice, data, and mobile internet services.
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
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1mo
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Sr. Solution Engineer
Kansas City, Kansas, United States
HybridFull Time
Associated Wholesale Grocers
Associated Wholesale Grocers: Distributes food and grocery products to independent supermarket retailers.
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
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2mo
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Sr Software Engineer - Web Development
Olathe, Kansas, United States
OnsiteFull Time
Garmin
GarminNYSE: GRMN: Designs and manufactures GPS-enabled navigation and wearable technology products.
5+ YOEBachelor's degree in related field plus 5+ years' experience (or equivalent); experience with TypeScript/JavaScript and/or Python; full‑stack web app design (frontend, REST APIs, DB); proficiency with Node.js, React, Vue, Django, Angular, or Flask; agile experience; strong communication and problem solving.
TypeScript, JavaScript, Python, Node.js, React, Vue, Django, Angular, Flask, CI/CD
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3w
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Sr. Operations Resilience Engineer
Overland Park, Kansas, United States
$102k-$132k/yr HybridFull Time
Cboe
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
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
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3w
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Sr. Security Engineer
Smith County, Kansas, United States
$118k-$148k/yr RemoteFull Time
Yum! Brands
Yum! BrandsNYSE: YUM: Global operator of quick-service restaurant brands.
Design and implement WAF protections, secure web apps/APIs, manage CDN and TLS certificates, investigate incidents, and drive automation; experience with Akamai or similar and web security protocols required.
Akamai, Cloudflare, Imperva, F5, AWS WAF, HTTP/S, TLS/SSL, DNS, TCP/IP, CDN, REST APIs, PowerShell, Python, Bash
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3w
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Sr. Quality Engineer
United States or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Mississippi or North Carolina or Nebraska or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$120k-$130k/yr RemoteFull Time
Storable
Storable: Provides technology platform for storage and specialty real estate operators.
5+ YOE5+ years QA/quality engineering experience, strong test strategy, API and data validation, SQL, CI/CD familiarity, test automation experience, and practical use of AI-assisted tools.
Cypress, Selenium, TestNG, Cucumber/Gherkin, SQL, GitHub, GitLab, Jira, Confluence, Node.js, TypeScript, JavaScript, Codex, Claude Code, Cursor, GitHub Copilot, ChatGPT
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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
Jack Henry
Jack HenryNASDAQ: JKHY: Technology and payment processing solutions for financial institutions.
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
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1mo
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Advisor Application Developer (Java/.NET/EDI/Pharmacy/NCPDP)
Kansas or United States
$90k-$115k/yr RemoteFull Time
Gainwell Technologies
Gainwell Technologies: Delivers technology solutions for public health and Medicaid programs.
8+ YOE8+ years in application development and systems analysis with Java, .NET, APIs, SQL, EDI; experience with NCPDP and Medicaid/healthcare payer domains preferred; strong analytical and communication skills.
Java, .NET, APIs, SQL, EDI, National Council for Prescription Drug Programs (NCPDP)
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3w
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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
Harris Computer
Harris Computer: Provides mission-critical vertical market software and service solutions.
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
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2d
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Senior Python Developer
Washington or Alabama or Colorado or Delaware or Florida or Georgia or Illinois or Indiana or Kansas or Louisiana or Maryland or Minnesota or Mississippi or North Carolina or New Jersey or Ohio or Pennsylvania or South Carolina or Tennessee or Texas or Virginia
$90k-$130k/yr RemoteFull Time
Tripoint Solutions
Tripoint Solutions: Providing technology modernization and data services to federal agencies.
5+ YOEBachelor’s degree in a technical field, 5+ years of Python development, Django and Flask, RESTful APIs, Git, PostgreSQL, Unix/Linux, automated testing, HTML, JavaScript, cloud platforms, and Jupyter Notebooks.
Python, AWS, ServiceNow, UiPath, Django, Flask, Jupyter Notebook, Git, PostgreSQL, Unix, Linux, HTML, JavaScript, Docker, Kubernetes, WCAG, Section 508
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5d
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Software Development Engineer IV - Appian Developer
Alaska or Arizona or Arkansas or California or Colorado or Florida or Georgia or Idaho or Iowa or Kansas or Kentucky or Maine or Michigan or Minnesota or Missouri or Montana or Nevada or New Hampshire or New Mexico or North Carolina or Oklahoma or Oregon or South Carolina or South Dakota or Tennessee or Texas or Utah or Washington or Wisconsin
$119k-$202k/yr RemoteFull Time
Premera Blue Cross
Premera Blue Cross: Provides health insurance and medical benefit plans for members.
8+ YOEBachelor's in CS/IS,8+ years relevant experience,Appian experience preferred,knowledge of software development lifecycle,RESTful API and web services exposure,Agile experience,healthcare/regulatory background preferred.
Appian, Appian AI, Microsoft technologies, RESTful APIs, web services
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3d
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Senior Software Engineer
Green Bay or Wichita
OnsiteFull Time
Koch Inc.
Koch Inc.: Operates global manufacturing, refining, and industrial technology businesses.
Experience with AI-assisted development, .NET, full-stack applications, APIs, integrations, modern front-end technologies, software lifecycle delivery, architecture, troubleshooting, and mentoring engineers.
LLMs, .NET, React, Angular, Vue, PostgreSQL, MongoDB
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1w
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Principal Software Development Engineer
Wellesley or Hartford or New York City or Arkansas or Vermont or Connecticut or Georgia or Texas or Minnesota or Michigan or Maine or Wisconsin or New York or District of Columbia or Kansas or Indiana or New Jersey or Nebraska or Rhode Island or Louisiana or Tennessee or Kentucky or Mississippi or Ohio or Oklahoma or West Virginia or Massachusetts or Maryland or South Carolina or Alabama or Missouri or Virginia or Illinois or North Carolina or Florida or New Hampshire or Delaware
$144k-$288k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
10+ YOE10+ years software experience, 7+ years leading enterprise solution design, cloud-native microservices on GCP, Java/Python/Node.js, API design, strong communication and stakeholder skills.
Java, Python, Node.js, Angular, ReactJS, Google Cloud Platform (GCP), REST, APIs, CI/CD, SAFe
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2mo
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Senior Application Developer
Overland Park, Kansas, United States
OnsiteFull Time
Amsted Industries
Amsted Industries: Manufacturer of engineered industrial components for rail and energy.
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
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2mo
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Senior Software Engineer, Java
United States or California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or North Carolina or New Jersey or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa or Chicago
$150k-$220k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
10+ YOEBachelor's in CS or equivalent experience; 10+ years Java development, 4+ years building scalable systems; Kotlin, C++, Postgres, Redis, AWS experience; REST API development (Jersey/Spring); strong OOP and testing practices.
Java, Kotlin, C++, Postgres, AWS, Redis, Jersey, Spring
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