12 api developer jobs at 7 companies in Butler, MO
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Product Lead Developer
Lee's Summit, Missouri, United States
HybridFull Time
5+ YOEBachelor's in CS or related plus 5 years application development (or Master's plus 2 years). Must have experience with C#.NET/JavaScript/VB.NET, SQL Server/NoSQL, ASP.NET Web APIs/WCF/Windows Forms, Angular or React, Entity Framework/ORM, MVC/MVVM, AWS, Elasticsearch, Docker, OAuth/REST, Git/TFS.
C#.NET, JavaScript, VB.NET, SQL Server, NoSQL, ASP.NET Web APIs, WCF, Windows Forms, Angular, React, Entity Framework, ORM, MVC, MVVM, AWS, Elasticsearch, Docker, OAuth, REST API, Git, TFS
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
2mo
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Software Development Engineer II
Overland Park, Kansas, United States
OnsiteFull Time
3+ YOE3-5+ years software development; RESTful APIs; Bachelor's in CS or relevant experience; AWS and container experience a plus; strong communication and time management.
TypeScript, Express.js, Node.js, C#, .NET Core, Entity Framework, AWS
2mo
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Associate Quality Engineer (Leawood, KS, US, 66211)
Leawood, Kansas, United States
HybridFull Time
0+ YOEEntry-level quality engineer focusing on performance testing, API validation, and AI-assisted testing.
JMeter, AI tools, GitHub Copilot, Claude, API testing
2mo
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Software Engineer: Mid-Level
Allen or Birmingham or Cedar Falls or Charlotte or Lenexa or Louisville or Monett or Springfield
HybridFull Time
4+ YOE4+ years software development; C# or Golang experience; design patterns/SOLID; cloud experience preferred.
C#, Golang, Google Cloud Platform, APIs, Middleware, Multi-tenant
1mo
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Senior Java Software Engineer
Olathe, Kansas, United States
OnsiteFull Time
5+ YOEBachelor's degree (or equivalent) and 5+ years' experience; strong Java and Spring development skills; experience with SQL, distributed systems, and secure coding; version control (GIT) and collaborative project delivery.
Java, SQL, PL/SQL, GIT, Spring Framework, Spring Boot, Spring MVC, Spring Rest, JDBC, SQL Server, HBase, Elasticsearch, Rabbit MQ, JMS, Redis, Memcached, Docker, FIT SDK, Kafka, REST API, Microservices, Java 11, Junit, Mockito, JMeter
2mo
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Sr Software Engineer - Web Development
Olathe, Kansas, United States
OnsiteFull Time
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
2w
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Test Engineer
Bucharest or Leawood
OnsiteFull Time
5+ YOE5+ years in quality engineering or software testing, test design and execution, automated UI/API testing, SQL and API validation, experience with AI-assisted testing and responsible AI principles.
SQL, REST, SOAP, Playwright
2w
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Cyber Security Engineer 1
Olathe, Kansas, United States
OnsiteFull Time
Bachelor's degree or equivalent experience in IT/Computer Science, familiarity with EDR, email/DNS/PAM security tools, Linux and Windows environments, scripting/APIs, and strong communication skills.
EDR, email security suites, DNS security, PAM, enterprise password management, forensic tools, threat intelligence platforms, Linux, Windows, APIs, Azure, AWS
2mo
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Software Engineer 2 - Web Development
Olathe, Kansas, United States
OnsiteFull Time
1+ YOEBachelor's in CS/EE/CE/SE/Math/Physics or equivalent plus 1+ year experience. Proficiency in TypeScript, JavaScript, Python and full-stack web development (frontend, REST APIs, database). Familiarity with Node.js, React, Vue, Django, Angular, or Flask; CI/CD and DevOps concepts desirable.
TypeScript, JavaScript, Python, Node.js, React, Vue, Django, Angular, Flask, CI/CD
1mo
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Software Engineer 1 - Aviation Core Java
Olathe, Kansas, United States
OnsiteFull Time
Bachelor's degree (or equivalent) in a technical field, strong Java skills, backend OOP experience (Spring Boot), RESTful APIs, microservices and cloud familiarity; excellent academics and basic software development experience.
Java, Spring Boot, Restful-ish APIs, Microservices, Cloud, debuggers, emulators, simulators, logic analyzers
1mo
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Programmer Analyst III
Olathe or Johnson County or Wyandotte County or Leavenworth County or Miami County or Linn County or Jackson County or Clay County or Platte County or Cass County or Ray County
$44-$67/hr HybridFull Time
7+ YOE7+ years software development experience; advanced Microsoft .NET (C#, ASP.NET, .NET Core); MS SQL; APIs (REST/SOAP/JSON/XML); web technologies (HTML/CSS/JavaScript); legacy Visual Basic experience; system integration and middleware; leadership and mentoring skills.
Microsoft .NET, C#, ASP.NET, .NET Core, MS SQL, UniVerse (Rocket), REST, SOAP, JSON, XML, HTML, CSS, JavaScript, Visual Basic, IIS, Azure, AWS, CI/CD