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302 api engineer jobs at 142 companies in Missouri

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Engineer III - API Office
Tempe or St. Louis
HybridFull Time
Edward Jones
Edward Jones: Financial services firm providing wealth management and investment advice.
5+ YOERequires 5+ years developing scalable applications, APIs, integrations, and web services; proficiency with Java, Spring Boot, Python, Node.js, Docker, Kubernetes, Azure, OAS, OAuth 2.0, OpenID Connect, and CI/CD.
Java, Spring Boot, Python, Node.js, Docker, Kubernetes, Microsoft Azure, OpenAPI Specification (OAS), OAuth 2.0, OpenID Connect, GitHub Actions, Rust, MuleSoft Anypoint Platform
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Senior API Platform Engineer (Apigee X/Apigee Hybrid)
Saint Louis or United States
$82k-$178k/yr OnsiteFull Time
Perficient
Perficient: Private global digital consultancy providing AI, technology, and digital transformation services to enterprises.
5+ YOERequires 5+ years architecting API solutions, 2+ years delivering Apigee solutions, deep Apigee X/Hybrid expertise, GCP, API management, microservices, security, and enterprise production experience.
Apigee, Apigee X, Apigee Hybrid, Google Cloud Platform (GCP), Microservices, Istio, Docker, Kubernetes, OAuth2, SSO, OpenID Connect, JWT, Okta, Active Directory (AD), Azure Active Directory, Apigee Portal, Apigee Edge, Drupal, Node.js, JavaScript, Jenkins, Mulesoft, Data Power, Boomi, AWS, Microsoft Azure, AI tools, CI/CD, TCP, TLS, SSH
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1mo
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Engineer III - API Office
Tempe or St. Louis
HybridFull Time
Edward Jones
Edward Jones: Financial services firm providing wealth management and investment advice.
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
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2w
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Full Stack API Software Engineer
St. Louis, Missouri, United States
$88k-$215k/yr HybridFull Time
CGI
CGITSX: GIB.A: Global IT consulting and business services firm.
7+ YOERequires 7+ years of software development experience focused on APIs, Java, Spring Boot, JavaScript/TypeScript, REST or GraphQL, testing, Agile, cloud, CI/CD, Docker, and Kubernetes.
Angular, Java, RESTful, GraphQL, Spring Boot, JavaScript, TypeScript, Jenkins, CloudBees, Docker, Kubernetes, OpenTelemetry, Prometheus, Grafana
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2mo
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MES Engineer
Kalamazoo or Pittsburgh or St. Louis
$80k-$120k/yr HybridFull Time
GrayMatter
GrayMatter: Private industrial technology and consulting helping manufacturers and infrastructure operators modernize operational systems.
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
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1w
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Sr. Software Engineer II, Platform/API
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or country_code
$140k-$190k/yr HybridFull Time
NinjaTrader
NinjaTrader: Privately held futures trading platform and brokerage serving retail and professional futures traders.
6+ YOE6+ years building and operating backend services; Node.js, TypeScript, SQL, Docker, Kubernetes, cloud, event-driven architecture, and workflow reliability expertise. Bachelor's or master's degree or equivalent experience.
Node.js, TypeScript, Kafka, Google Cloud Pub/Sub, SQL, Docker, Kubernetes, Google Cloud Platform, Codex, Cursor, Claude Code, Statsig
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2mo
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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: Full-service engineering, architecture, and surveying firm.
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
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Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
CarePortal
CarePortal: Faith-based nonprofit platform connecting child-welfare professionals, churches, and communities to help children and families 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
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Knowledge Engineer - Back End
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$26-$94/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent experience.
R2RML, SPARQL, StarDog, GraphWise, Neo4J, Elasticsearch, OpenSearch, SQL, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Python, Java, REST API, Docker, Kubernetes, GraphQL, D3.js, Cytoscape.js, AWS Neptune, Azure Cosmos DB, Kafka, RabbitMQ, Terraform, Helm
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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: Technology providing integrated management software, websites, payments, and services to self-storage, marine, RV, and campground 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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2w
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AI Engineer III
Arkansas or Colorado or Georgia or Illinois or Iowa or Kansas or Louisiana or Minnesota or Missouri or Montana or Nebraska or New Mexico or North Dakota or Oklahoma or South Dakota or Texas or Wisconsin or Wyoming or Tulsa
$114k-$172k/yr RemoteFull Time
ONEOK
ONEOKNYSE: OKE: Publicly traded U.S. midstream transports natural gas, NGLs, refined products and crude oil for energy markets.
5+ YOEBachelor's degree and 5+ years of software engineering experience shipping production AI/ML systems. Requires Python, LLM systems, cloud platforms, APIs, production operations, and strong communication skills.
Python, R, SQL, Spark, Databricks, Snowflake, Large Language Models (LLMs), Anthropic, AWS Bedrock, OpenAI, AWS, Azure, Terraform, Software Development Lifecycle (SDLC), Continuous Integration/Continuous Deployment (CI/CD), ADO, GitHub, GitLab
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2mo
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Staff Solutions Engineer
Arizona or California or Colorado or Delaware or Maryland or Massachusetts or Missouri or New Jersey or Nevada or New York or North Carolina or Oregon or Oklahoma or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$175k-$225k/yr RemoteFull Time
Identity Digital
Identity Digital: Domain registry and registrar services helping businesses, governments, nonprofits, and individuals build digital identities.
10+ YOE10+ years in solutions engineering, architecture, infrastructure, identity, security, or technical partner engineering; Go, Python, or TypeScript/Node experience; DNS and identity/auth expertise; bachelor's degree or equivalent.
AWS, Okta, OAuth, OpenID Connect (OIDC), MCP, OAuth2, JSON Web Token (JWT), JSON Web Key Set (JWKS), PKI, TLS, Go, Python, TypeScript, Node, SDKs, APIs, MCP servers, DNS, DNSSEC, TXT records, IETF
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2w
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Mechanical Engineer 1 (3900)
Blue Springs or United States
$68k-$84k/yr OnsiteFull Time
Fike Corporation
Fike Corporation: Private global industrial-safety manufacturer providing rupture-disc, explosion-protection, fire-suppression, and detection systems.
2+ YOEBachelor's degree in mechanical or related engineering and two years of post-degree experience required. Master's degree, standards experience, engineering analysis, and manufacturing software experience preferred.
ASME, ANSI, MIL, AISI, IFI, NACE, API, ISO, AWS, NFPA
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2mo
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Staff Mechanical Engineer - Pipeline & Facilities (Kansas City)
Kansas City, Missouri, United States
OnsiteFull Time
Burns & McDonnell
Burns & McDonnell: Employee-owned engineering, architecture, and construction services firm.
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
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Associate Process Engineer - Energetics (Aerospace & Industrial)
Kansas City, Missouri, United States
OnsiteFull Time
Burns & McDonnell
Burns & McDonnell: Employee-owned engineering, architecture, and construction services firm.
12+ YOERequires an ABET-accredited chemical engineering-related bachelor's degree with 13 years of process engineering experience, or equivalent master's/engineering technology pathways; advanced process design, safety, codes, QA/QC, and leadership expertise.
Microsoft Office Suite, Hysys, Aspen, HTRI, ASME, ANSI, API, PIP, NACE
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Intelligent Automation Engineer - Secret Clearance
Shiloh or Saint Louis
$65k-$90k/yr OnsiteFull Time
LaunchCode
LaunchCode: Nonprofit tech-training and talent-placement organization connecting career seekers with employer partners.
3+ YOERequires 3+ years in automation, process improvement, or enterprise integrations; bachelor's degree or equivalent experience; U.S. citizenship; active Secret clearance; and experience with automation platforms, programming, APIs, and cloud data environments.
UiPath, Automation Anywhere, Blue Prism, Microsoft Power Automate, Python, SQL, JavaScript, Power BI, Databricks, Palantir, Celonis Intelligence, OneStream, GTAS, AWS, Azure, AI, RPA, SDLC, APIs, ERP
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5d
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Mechanical Engineer - Asset Management - Granite City, IL
Granite City or St. Louis or Freeburg or High Ridge or Edwardsville or Grantfork or Old Jamestown
$90k-$140k/yr OnsiteFull Time
Orbital Engineering
Orbital Engineering: Veteran-owned engineering firm serving heavy industrial and utility clients with design, project execution, and asset-management services.
5+ YOEBachelor's degree in mechanical engineering and 5+ years of industrial mechanical engineering experience. Requires equipment evaluation, repair engineering, technical reporting, independent field work, and Microsoft Office proficiency.
Microsoft Office Suite, Asset Management databases, digital inspection platforms, asset management systems, ASME, API, NBIC, OSHA, MSHA, Quality Management System (QMS), Microsoft Office, ASME B31.1, ASME B31.3, Section VIII, API 510, API 570, API 579, JHA, RFI, Risk-Based Inspection (RBI)
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1mo
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Lead C++ Observability Engineer
St. Louis, Missouri, United States
OnsiteFull Time
London Stock Exchange Group
London Stock Exchange GroupLondon Stock Exchange: LSEG: Global financial markets infrastructure and data provider.
Proven C++ proficiency, deep observability engineering experience (distributed tracing, real-time metrics), leadership and coaching skills, SLI/SLO design experience, cloud-native/Kubernetes familiarity, and strong analytical and communication abilities.
C++, Kubernetes, eBPF, GitOps, API
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Lead Engineer, Integration
Tempe or Utah or South Carolina or Michigan or New Jersey or Oklahoma or Louisiana or Alabama or Virginia or Illinois or Kansas or Indiana or Connecticut or Kentucky or Missouri or North Carolina or New Mexico or Nevada or Ohio or Oregon or Pennsylvania or Tennessee or Texas or Washington or California or Colorado or Arkansas or Florida or Idaho or Georgia or Wyoming
HybridFull Time
Dutch Bros
Dutch BrosNYSE: BROS: Drive-thru beverage focused on community and connection.
10+ YOEBachelor's degree in a related field or 10 years of related experience; expertise in APIs, Kafka, cloud platforms, microservices, ETL/ELT, Kubernetes, governance, security, CI/CD, DevOps, and infrastructure as code.
RESTful, SOAP, AWS, Azure, Talend, Informatica, Matillion, Workato, Kafka, Kafka Streams, KSQL, Schema Registry, Kafka Connect, Kubernetes, ETL, ELT, DataOps, OAuth, JWT, API Gateway, CI/CD, DevOps, Terraform, Helm, Fivetran, MuleSoft, Boomi, GDPR, CCPA
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Software Engineer I
Columbus or Alaska or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Vermont or Washington or West Virginia or Wisconsin or Wyoming
$82k-$101k/yr HybridFull Time
Cummins Inc.
Cummins Inc.NYSE: CMI: Global power leader in engines, powertrains, and energy solutions.
Bachelor's degree in computer science, engineering, or related field; software engineering experience preferred. Requires AWS, APIs, databases, cloud, Agile, testing, and distributed systems familiarity.
AWS, APIs, databases, telemetry, logging platforms, Microsoft Excel
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