Talent AgentClassic Search

227 api engineer jobs at 72 companies in Saint Peters, MO

3mo
Save
Mark Applied
Hide
API Engineer
Scott Air Force Base, Illinois, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
Experience designing and operating scalable API platforms, back-end engineering with Java or Python, DevOps and Kubernetes experience, familiarity with cloud providers, ability to obtain Security+ and hold Secret clearance.
Java, Python, Apigee, Gravitee, Kong, AWS API Gateway, MuleSoft, Docker, Helm, Kubernetes, GitOps, HTTP, gRPC, WebSockets, AWS, Azure, GCP, Git, Jenkins, Jira, Confluence, Nexus, Bitbucket, SQL, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring-Boot, Spring Data, Kafka, RabbitMQ
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior UI/UX & API Developer
Belleville, Illinois, United States
HybridFull Time
D&G Support Services
D&G Support Services: Woman-owned federal contractor providing integrated logistics, supply-chain, data analytics, and program support to defense and homeland-security agencies.
8+ YOE8+ years software development experience; strong JavaScript/TypeScript, HTML, CSS, React/Angular; RESTful APIs with Java/C#/Python; SQL; Git/CI/CD; Section 508; Bachelor's/Master's in CS or related or FITSP-D/GCSA/GISF/SSCP; active Secret clearance; U.S. person.
JavaScript, TypeScript, HTML, CSS, React, Angular, Java, C#, Python, OpenAPI, Swagger, SQL, Git, GitLab, Figma, Adobe XD, Sketch, Apache Superset, Oracle, PostgreSQL, Amazon Aurora, Amazon RDS, AWS
Job PostingView all
3mo
Save
Mark Applied
Hide
Junior Systems Engineer
Denver or Springfield or St. Louis or Sterling
$58k-$116k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
Bachelor's degree in engineering, computer science, or related technical field; 0–3 years of experience; TS/SCI clearance with polygraph eligibility; systems engineering or software lifecycle knowledge.
Esri ArcGIS Pro, Esri ArcGIS Enterprise, APIs, GIS, Agile
Job PostingView all
1mo
Save
Mark Applied
Hide
Backend Integrations Engineer
St. Louis, Missouri, United States
HybridFull Time
Build-A-Bear Workshop
Build-A-Bear WorkshopNYSE: BBW: Specialty retailer of customizable stuffed animals and related products.
5+ YOE5+ years in data engineering, warehousing, or analytics platforms; bachelor's degree in a related field; expert T-SQL, PL/SQL, cloud data ecosystems, and data integration; Python, PySpark, APIs, and BI tools experience.
T-SQL, PL/SQL, Python, PySpark, C#, Java, Microsoft Azure, Microsoft Azure Data Factory, Microsoft Azure Synapse, Databricks, Data Lake, REST, SOAP, Power BI, Tableau, Looker, Microsoft Dynamics 365, Salesforce, DevOps, CI/CD, Agile, Scrum
Job PostingView all
1mo
Save
Mark Applied
Hide
Sr. Engineer - Oil & Gas
Charlotte or Greenwood Village or Indianapolis or Lisle or St. Louis +1 more
$90k-$160k/yr HybridFull Time
Farnsworth Group
Farnsworth Group: Full-service engineering, architecture, and surveying firm.
5+ YOEBS in Civil, Mechanical, Chemical, Electrical or Petroleum Engineering from ABET-accredited program; 5-15 years oil/gas engineering experience; 3+ years project management; knowledge of DOT, API, ANSI, ASME; MS Office and MS Project; valid driver's license; willingness to travel.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
Job PostingView all
2mo
Save
Mark Applied
Hide
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)
Job PostingView all
3w
Save
Mark Applied
Hide
Principal Systems Engineer - Enterprise API Platform & GraphQL Engineering
Hopkins or Denver or Atlanta or Chicago or Saint Paul or Earth City or Charlotte or Cincinnati or Gresham or Irving or Brookfield +1 more
$120k-$141k/yr HybridFull Time
U.S. Bank
U.S. BankNew York Stock Exchange: USB: Diversified financial services and banking institution.
7+ YOEBachelor's degree or equivalent; 7+ years IT experience; 7+ years technology infrastructure design/development/support; experience with Apigee, Apollo GraphQL, Kubernetes, Azure, GitLab CI/CD, Ansible, Python, Bash; must work from U.S. Bank location 3+ days/week.
Apigee OPDK, Apigee Hybrid, Apollo GraphQL, Apollo Federation, Apollo Router, OAuth 2.0, JWT, mTLS, GitLab CI/CD, Kubernetes, Helm, Ansible, Infrastructure as Code, Azure, Python, Bash, Datadog
Job PostingView all
2mo
Save
Mark Applied
Hide
AI Engineer
United States or O'Fallon
$82k-$172k/yr RemoteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
5+ YOERequires Secret clearance, 10+ years in lead software development, 5+ years in AI/ML software engineering, a master's degree, programming, cloud, API, database, ERP, deep learning, and DevOps expertise.
Python, Java, C++, JavaScript, Azure, AWS, API, SQL, NoSQL, SAP, TensorFlow, PyTorch, NLP, DevOps
Job PostingView all
2mo
Save
Mark Applied
Hide
Lead Workday Engineer - Integrations and Extend
O'Fallon, Missouri, United States
$122k-$207k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payments technology powering digital economies.
Extensive hands-on experience with Workday platform, strong proficiency in Workday Extend and Integrations, advanced REST APIs, SOAP, JSON, XML, XSLT, CI/CD, Agile, mentoring, and enterprise architecture.
Workday Extend, Workday Integrations, Workday Studio, Workday Orchestrate, Workday Core Connectors, Workday EIBs, Workday Web Services, REST APIs, SOAP, JSON, XML, XSLT, CI/CD
Job PostingView all
1w
Save
Mark Applied
Hide
Senior Systems Integrator Engineer
Tucson or Gaithersburg or Alexandria or Chantilly or Englewood or St. Louis
$108k-$195k/yr OnsiteFull Time
Leidos
LeidosNew York Stock Exchange: LDOS: Public defense and technology contractor serving government and commercial customers with digital, health, infrastructure, and engineering solutions.
8+ YOEUS citizenship required; Bachelor's in CS/SE or related with 8-12 years experience or Master's with 6-10 years; experience in systems integration, REST APIs, databases, Agile; active TS/SCI clearance with polygraph ability.
REST APIs, AWS, Docker, Kubernetes, Terraform, Ansible, CloudFormation, GitLab CI/CD, Jenkins, SonarQube, Nexus, Vault, Keycloak, PostgreSQL, MySQL, SQL Server, OpenSearch, Elasticsearch, Kafka, GitLab, Jira, Confluence
Job PostingView all
1w
Save
Mark Applied
Hide
Software Developer (Junior)
Maryland Heights, Missouri, United States
HybridFull Time
UNCOMN
UNCOMN: Service-disabled veteran-owned technology consulting firm delivering data, systems, and agile solutions to government and commercial clients.
Bachelor's degree in engineering, computer science or similar; object-oriented programming experience; eligibility for Secret clearance requiring US citizenship; willingness to obtain certifications; .NET, C#, Visual Studio, SQL, Windows, Web APIs preferred.
.NET, C#, Visual Studio, SQL, Windows, Web APIs
Job PostingView all
3mo
Save
Mark Applied
Hide
Solutions Engineer
California or Arizona or Nevada or Utah or Santa Clara or St. Louis or India or United Kingdom or France or Australia or Taiwan or Japan
$178k-$253k/yr FieldFull Time
Netskope
NetskopeNASDAQ: NTSK: Provider of cloud-native cybersecurity and networking solutions.
7+ YOE7+ years as solutions/system engineer, strong presentation and customer skills, hands-on experience with network and cloud security technologies, experience with public cloud and identity integrations.
Python, REST API, AWS, Azure, GCP, Linux, MacOS, Windows, Android, iOS, HSM, Active Directory, Microsoft Azure AD, SIEM, SOAR, EDR, SD-WAN, SAML, SCIM
Job PostingView all
1mo
Save
Mark Applied
Hide
RPA Developer II
Fenton, Missouri, United States
HybridFull Time
Maritz
Maritz: Privately held professional services serving businesses with events, incentives, loyalty, rewards, and automotive sales programs.
2+ YOE2+ years proficient in Web Services and APIs integration; working knowledge of databases (e.g., SQL) and Excel automation; experience with version control systems (e.g., Git, TFS); basic understanding of RPA architecture; bachelor's degree or equivalent work experience.
Web Services, APIs, SQL, Microsoft Excel, Git, TFS, RPA, UiPath Action Center, JSON, .NET, Python
Job PostingView all
1mo
Save
Mark Applied
Hide
Forward Deployed AI Engineer
Chicago or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Pete or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Regina or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Nashville or Detroit or San Diego
$113k-$366k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
10+ YOERequires 10+ years of software engineering, API integration, distributed systems, enterprise technical design, and client-facing experience; 2+ years with AI/ML platforms; bachelor's degree or equivalent experience.
OpenAI, Anthropic, Google Gemini, SAP, ServiceNow, Salesforce, Python, TypeScript, JavaScript, Java
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior IGA Engineer / SaaS Identity Governance & Administration (Saviynt) Engineer
San Francisco or St. Louis or Cleveland or Chicago or New York City or Kansas City or Boston or Atlanta or Minneapolis or Dallas or Charlotte or Richmond or Philadelphia
$147k-$234k/yr OnsiteFull Time
Federal Reserve System
Federal Reserve System: The U.S. central banking system sets monetary policy, supervises banks, and provides payment services.
Bachelor's degree or equivalent experience, 5+ years in IAM/IGA or related engineering, and 2+ years of hands-on Saviynt development. Requires REST APIs, JSON, SQL, integrations, production support, and IAM/IGA expertise.
Saviynt EIC, REST APIs, JSON, SQL, SCIM, JDBC, Microsoft Azure, AWS, Google Cloud, Workday, SailPoint, LDAP, Active Directory, Java, Groovy, Python, PowerShell, CI/CD, Infrastructure-as-Code, DevSecOps
Job PostingView all

Explore Jobs

Expand Your Job Search