253 api engineer jobs at 138 companies in Missouri

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
2mo
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Checkmate API Developer
Clayton or Kansas City or United States
RemoteFull Time
Husch Blackwell
Husch Blackwell: A nationwide firm providing industry-focused legal and litigation services.
2+ YOEMaster's in CS/Information Systems required; 2+ years software development experience. Must have .NET/.NET Core, C#, SQL Server, Entity Framework Code First, REST/JSON, Azure Function Apps, Microsoft Azure Web/Api/Logic Apps, ETL, unit testing, and Power BI experience.
.NET, .NET Core, C#, SQL Server, Entity Framework Code First, REST API, JSON, ETL, Azure Function Apps, Microsoft Azure Web Apps, Microsoft Azure Api Apps, Microsoft Azure Logic Apps, Microsoft Power BI
3w
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API Engineer (Remote)
Stafford or Alaska or California or Colorado or Connecticut or District of Columbia or Hawaii or Louisiana or Massachusetts or Minnesota or Missouri or Nebraska or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Dakota or Oregon or Puerto Rico or Rhode Island or Vermont or Washington or Wyoming or United States
RemoteFull Time
Oxley Enterprises
Oxley Enterprises: Provider of enterprise IT solutions and organizational management consulting.
No specific skills, education, or experience listed in the job text; posting states remote US eligibility and includes benefits information.
1mo
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System Engineer- Platform/API Gateway
Springfield, Missouri, United States
OnsiteFull Time
O'Reilly Auto Parts
O'Reilly Auto PartsNASDAQ: ORLY: Retailer of automotive aftermarket parts and professional tools.
3+ YOE3+ years software engineering/platform development; 2+ years API management (Apigee, Kong); strong backend/cloud-native; Java/Python; GCP; API security and governance; observability and DevOps exposure.
Apigee, Kong, Java, Python, GCP, Cloud Run, Functions, Pub/Sub, IAM, Terraform, Jenkins, GitHub Actions, Cloud Build, OpenAPI/Swagger, OAuth2, JWT, SAML, OKTA, Azure AD, PCI, SOC2, HIPAA, Prometheus, Grafana, ELK, Kubernetes, GKE, Docker, Istio, Linkerd, GraphQL, gRPC, WebSockets, Postman, Karate, OpenTelemetry, Jaeger, Zipkin, PagerDuty, Opsgenie, HashiCorp Vault, GCP Secret Manager
1d
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Engineer III - API Office
Tempe or St. Louis
HybridFull Time
Edward Jones
Edward Jones: Offers investment management and financial planning through local branches.
5+ YOE5+ years building scalable APIs and integrations; proficiency with Java, Spring Boot, Python, Node.js, Docker, Kubernetes, Azure; experience with OpenAPI, OAuth2/OpenID Connect, GitHub Actions; strong API design and security skills.
Java, Spring Boot, Python, Node.js, Docker, Kubernetes, Microsoft Azure, OpenAPI Specification (OAS), OAuth 2.0, OpenID Connect, GitHub Actions, Rust, MuleSoft Anypoint Platform
1mo
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Sr Software Developer - API Integration
Creve Coeur or St. Louis
$110k-$130k/yr HybridFull Time
First Bank
First Bank: A family-owned bank providing financial solutions to businesses and individuals.
5+ YOE5+ years software development experience; hands-on Power Apps/Power Automate and Power Platform, REST/JSON API integration, Microsoft Azure, CI/CD and DevOps, Dataverse, Infrastructure as Code, and data mapping; knowledge of data privacy.
Microsoft Power Platform, Power Apps, Power Automate, Dataverse, Microsoft Azure, RESTful APIs, JSON, CI/CD, DevOps, Infrastructure as Code, ServiceNow, RPA, Microsoft SharePoint
3w
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Senior Software Engineer - ServiceNow/Javascript/API
St. Louis or Brentwood or Richmond Heights or Clayton or Maplewood
HybridFull Time
Enterprise Mobility
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
3+ YOE3+ years software development, 2+ years ServiceNow and JavaScript experience, API scripting (REST/SOAP), shell scripting (SSH/PowerShell), US work authorization, reside in St. Louis area, security-minded.
ServiceNow, JavaScript, REST, SOAP, SSH, PowerShell, Agile, Scrum
2mo
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Engineer, Inspection (112428)
Burkville, Missouri, United States
OnsiteFull Time
SABIC
SABICSaudi Stock Exchange (Tadawul): 2010: Manufacturer of chemicals, industrial polymers, and agricultural nutrients.
5+ YOEEngineering degree with 5+ years industrial experience; API inspection knowledge; SAPPSAim experience; able to manage contractors and documentation.
SAP, PSAim, API, P&ID, Isometrics
2w
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MES Engineer
Kalamazoo or Pittsburgh or St. Louis
$80k-$120k/yr HybridFull Time
GrayMatter
GrayMatter: Industrial technology solutions and automation engineering services.
4+ YOEBachelor's in engineering preferred, 4+ years MES experience, SQL and REST API experience, proficiency with VBA/Python/Java Script, strong attention to detail, problem solving, and customer service; willingness to travel.
VBA, Python, Java Script, TrackSYS, Plant Applications, Sepasoft, Production Center, SQL, REST API, Velotic (GE) Proficy Plant Applications, Microsoft Office, TCP/IP
2mo
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Engineer - Integrity
Fort Smith or Lebanon or Augusta or Branson or Portland or Little Rock or Lawton or Cushing
HybridFull Time
Summit Utilities
Summit Utilities: Distributes natural gas to residential and commercial utility customers.
2+ YOEBachelor's in engineering; 2+ years in pipeline integrity or related role; knowledge of 49 CFR 192, ASME B31.8S, API RP 1173; GIS, hydraulic modeling, risk software; PE license and/or PMP preferred.
GIS, Hydraulic modeling tools, Risk analysis software, Excel, SQL, Python
1mo
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Sr. Engineer - Oil & Gas
Lisle or St. Louis or Charlotte or Indianapolis or Greenwood Village
HybridFull Time
Farnsworth Group
Farnsworth Group: A national architectural, engineering, and surveying firm providing multidisciplinary project services and client-focused solutions.
5+ YOEBS in engineering (ABET), 5-15 years oil/gas engineering experience, 3+ years project management, knowledge of DOT/API/ANSI/ASME standards, Microsoft Word/Excel/PowerPoint/Project proficiency, valid driver’s license, willing to travel.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
3w
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Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
CarePortal
CarePortal: Technology platform connecting communities to support children in crisis.
Proven production software experience in object-oriented languages (PHP, Java, C#, Python), REST API and SQL schema design, SOLID principles, test-first discipline (unit/integration), discovery participation, and strong written communication.
PHP, Java, C#, Python, SQL, PHPUnit, Pest, Dusk, Laravel, CI/CD, REST API, AI tools
15h
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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
3w
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Sr. Automation Engineer
Chicago or Kansas City
$119k-$169k/yr OnsiteFull Time
Cboe
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
Senior engineer to design, build, and govern production agentic AI systems using LLM APIs, RAG, Python, CI/CD, and infrastructure-as-code, with strong AI security, observability, and cross-functional leadership skills.
LLM APIs, RAG, Python, CI/CD, infrastructure-as-code
3w
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Senior Technical Marketing Engineer - Apstra Data Center
California or Wyoming or Utah or Texas or Pennsylvania or New Hampshire or Wisconsin or Virginia or South Dakota or New Mexico or Michigan or Indiana or Hawaii or New York or Arkansas or Oregon or Ohio or Nevada or Nebraska or Minnesota or Louisiana or Florida or Tennessee or Missouri or Maine or Kansas or Iowa or Arizona or Rhode Island or New Jersey or Georgia or North Carolina or Montana or Mississippi or Massachusetts or Oklahoma or Kentucky or Illinois or Alaska or North Dakota or Idaho or District of Columbia or Connecticut or Colorado or Maryland or Delaware or Alabama or West Virginia or Washington or Vermont or South Carolina
$137k-$277k/yr RemoteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
8+ YOEBachelor's degree in CS/CE/EE or related, 8+ years technical marketing/systems engineering experience, deep data center networking knowledge, hands-on automation experience (APIs, Python, Ansible, Terraform), strong communication and content development skills.
HPE Apstra, APIs, Python, Ansible, Terraform, large language model (LLM)
3w
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Mechanical Engineer 1 (3892)
Blue Springs, Missouri, United States
$68k-$84k/yr OnsiteFull Time
Fike
Fike: Manufactures industrial fire and explosion protection safety systems.
2+ YOEBachelor's in Mechanical Engineering (required) with 2 years post-degree experience. Experience in product design, testing and analysis, preparing drawings, using design software, applying industry standards (ASME, API, NFPA), and supporting manufacturing.
3w
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Senior Technical Marketing Engineer - Apstra Data Center
California or Wyoming or Utah or Texas or Pennsylvania or New Hampshire or Wisconsin or Virginia or South Dakota or New Mexico or Michigan or Indiana or Hawaii or New York or Arkansas or Oregon or Ohio or Nevada or Nebraska or Minnesota or Louisiana or Florida or Tennessee or Missouri or Maine or Kansas or Iowa or Arizona or Rhode Island or New Jersey or Georgia or North Carolina or Montana or Mississippi or Massachusetts or Oklahoma or Kentucky or Illinois or Alaska or North Dakota or Idaho or District of Columbia or Connecticut or Colorado or Maryland or Delaware or Alabama or West Virginia or Washington or Vermont or South Carolina
$137k-$277k/yr RemoteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
8+ YOE8+ years in technical marketing/systems engineering/solutions architecture; degree in CS/CE/EE or related; strong data center networking knowledge (BGP, EVPN/VXLAN, spine-leaf, IP fabrics); experience with APIs, Python, Ansible, Terraform; excellent communication and demo/content development skills.
Apstra, APIs, Python, Ansible, Terraform
1mo
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Staff Mechanical Engineer - Pipeline & Facilities (Kansas City)
Kansas City, Missouri, United States
OnsiteFull Time
Burns & McDonnell
Burns & McDonnell: Engineering, architecture, and construction services for global infrastructure.
2+ YOEABET‑accredited engineering degree plus 2–3 years mechanical engineering experience; knowledge of ASME/API codes; experience with AutoCAD, Revit, and Microsoft Office; strong communication and analytical skills.
Microsoft Office Suite, AutoCAD, BIM (Revit), Revit, 3D Rendering Programs, hydraulic analysis programs, HVAC analysis programs
3w
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Senior Technical Marketing Engineer - Apstra Data Center
California or Wyoming or Utah or Texas or Pennsylvania or New Hampshire or Wisconsin or Virginia or South Dakota or New Mexico or Michigan or Indiana or Hawaii or New York or Arkansas or Oregon or Ohio or Nevada or Nebraska or Minnesota or Louisiana or Florida or Tennessee or Missouri or Maine or Kansas or Iowa or Arizona or Rhode Island or New Jersey or Georgia or North Carolina or Montana or Mississippi or Massachusetts or Oklahoma or Kentucky or Illinois or Alaska or North Dakota or Idaho or District of Columbia or Connecticut or Colorado or Maryland or Delaware or Alabama or West Virginia or Washington or Vermont or South Carolina
$137k-$277k/yr RemoteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
8+ YOEBachelor's/Masters/PhD in CS/CE/EE or related; 8+ years in technical marketing/systems engineering/solutions architecture or similar; deep data center networking knowledge (IP fabrics, spine-leaf, BGP, EVPN/VXLAN); hands-on automation with APIs, Python, Ansible, Terraform; strong content, demo, and presentation skills.
APIs, Python, Ansible, Terraform, HPE Apstra, LLM
3w
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Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
CarePortal
CarePortal: Connects children and families in crisis with local support.
Production experience in an object‑oriented language (PHP, Java, C#, Python), REST API and SQL schema design, SOLID principles, test‑first development (PHPUnit/Pest/Dusk), reading unfamiliar codebases, product discovery involvement, and clear written communication.
PHP, Java, C#, Python, SQL, PHPUnit, Pest, Dusk, Laravel, CI/CD
1mo
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Senior Solutions Engineer
Arlington or Atlanta or Austin or Boston or Charlotte or Chicago or Dallas or Houston or Indianapolis or Kansas City or Minneapolis or New York or Philadelphia or St Louis
$168k-$252k/yr RemoteFull Time
Amplitude
AmplitudeNasdaq: AMPL: Develops digital analytics software for tracking customer product behavior.
5+ YOE5+ years in software pre-sales; hands-on SQL, Python or R, and APIs; experience closing enterprise technical evaluations; comfortable presenting to engineers and executives.
Amplitude, Python, SQL, APIs, R, Google Analytics 4, Adobe Analytics, Mixpanel, Tableau, Looker, Microsoft Power BI