140 api engineer jobs at 71 companies in Granite City, IL

2mo
Save
Mark Applied
Hide
API Engineer
Scott Air Force Base, Illinois, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Experienced backend/platform engineer designing, deploying, and operating enterprise API platforms; Java or Python; Docker, Helm, Kubernetes, GitOps; API gateways and cloud (AWS/Azure/GCP); Secret clearance; HS diploma or GED.
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
2mo
Save
Mark Applied
Hide
API Engineer
Scott AFB, Illinois, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Backend/platform engineering with Java or Python, experience operating API gateways (Apigee, Kong, Mulesoft, AWS API Gateway), DevOps (Docker, Helm, Kubernetes, GitOps), cloud (AWS/Azure/GCP), Git/Jenkins/JIRA, and eligible for Secret clearance; HS diploma/GED required.
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
3d
Save
Mark Applied
Hide
Senior API Management Engineer-Kong Enterprise Deployment
Springfield or St. Louis
$148k-$176k/yr OnsiteFull Time
teKnoluxion
teKnoluxion: Providing technical engineering and cloud services to the intelligence community.
7+ YOEActive TS/SCI clearance with CI poly eligibility, Bachelor's degree or equivalent,7+ years IT experience with API management, cloud operations, Kong, AWS, OpenShift, Linux, and DevOps tooling.
Kong, AWS, OpenShift, RedHat, Linux, GitLab CI, Nexus, Habor
5d
Save
Mark Applied
Hide
Senior API Management Engineer
Springfield or St. Louis
$170k-$190k/yr OnsiteFull Time
D2 Consulting
D2 Consulting: Provides IT engineering and cybersecurity services to federal agencies.
5+ YOETS/SCI clearance, Bachelor’s in IT or related, 5+ years IT experience with Kong Enterprise, AWS, Linux, API management, DevOps practices, and leadership/mentoring skills.
Kong Enterprise, AWS, RedHat, CentOS, GitLab CI, Nexus
3w
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Senior API Management Engineer - Kong Enterprise Deployment
Springfield or St. Louis
$123k-$167k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
7+ YOEBachelor's in IT or CS, 7+ years IT experience with API management and cloud operations, US citizenship, current Top Secret/SCI clearance, expertise with Kong and OpenShift, AWS and Linux experience.
Kong Gateway, Red Hat OpenShift, AWS, RedHat, Linux, GitLab CI, Nexus, Habor
2w
Save
Mark Applied
Hide
Senior API Management Engineer - Kong Enterprise Deployment
Springfield or St. Louis
$123k-$167k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
7+ YOE7+ years IT experience with API management, cloud operations, Kong Enterprise, OpenShift, AWS, Linux; bachelor’s degree in IT/CS; Top Secret/SCI clearance required; US citizenship.
Kong Gateway, Red Hat OpenShift, AWS, Linux, GitLab CI, Nexus, Habor
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
Sr Infrastructure Engineer
Iselin or Charlotte or Saint Louis
OnsiteFull Time
Wells Fargo
Wells FargoNYSE: WFC: Global provider of banking, investment, and mortgage financial services.
5+ YOE5+ years in infrastructure/network engineering with experience in B2B connectivity, managed file transfer, APIs, messaging, LAN/WAN/datacenter design, BGP/OSPF, Cisco Nexus/Arista, and enterprise integrations.
Managed File Transfer (MFT), Connect:Direct (NDM), Axway Secure Transport, API Gateway, Apigee, Cisco Nexus, Arista, BGP, OSPF
2w
Save
Mark Applied
Hide
Lead C++ Observability Engineer
St. Louis, Missouri, United States
OnsiteFull Time
London Stock Exchange Group
London Stock Exchange GroupLondon Stock Exchange: LSEG: Provides financial market infrastructure and global data analytics services.
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
2d
Save
Mark Applied
Hide
Senior QA Engineer – Healthcare
Earth City or United States
$53k-$93k/yr RemoteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
6+ YOE6+ years QA/testing experience in U.S. healthcare payer domain; strong knowledge of Medicare/Medicaid/Marketplace, SQL, API and automation testing; proficiency with Tosca and Selenium.
SQL, Oracle, MongoDB, Postman, SoapUI, REST Assured, Tosca, Selenium, TypeScript, Facets, QNXT, HealthRules
2w
Save
Mark Applied
Hide
Director - Software/ AI Native Engineer
O'Fallon, Missouri, United States
$175k-$180k/yr OnsiteFull Time
Tech Mahindra
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business process services.
8+ YOEBachelor's required; 8+ years experience; deep expertise in cloud-native architecture, microservices, API management, AWS, AI-assisted development and AI governance.
GitHub Copilot, Claude Code CLI, AI Foundry, Bedrock, OpenAI, Anthropic, Model Context Protocol (MCP), AWS
1mo
Save
Mark Applied
Hide
Solutions Engineer
Utah or Colorado or Santa Clara or St. Louis or Bengaluru or London or Paris or Melbourne or Taipei or Tokyo
$178k-$281k/yr FieldFull Time
Netskope
NetskopeNASDAQ: NTSK: Cloud-native cybersecurity and data protection platform for enterprises.
7+ YOE7+ years as a solutions/system engineer; hands-on with Linux/macOS/Windows, cloud (AWS/Azure/GCP), networking/security tech (NGFW, VPN, DLP, SIEM), MDM/MAM, AD/ADFS, scripting (Python/REST API), and strong executive presentation skills.
Linux, macOS, Windows, MDM/MAM, Android, iOS, HSM, Web Proxy, NGFW, Security Gateways, VPN, SAML/SSO, DLP, regex, Cloud Identity Providers, SCIM, SIEM, SOAR, EDR, SD-WAN, Microsoft Active Directory, ADFS, Microsoft Azure AD, AWS, Azure, GCP, Python, REST API, Bluecoat, Symantec, McAfee, Checkpoint, Cisco, Juniper
2w
Save
Mark Applied
Hide
Senior Deployment Engineer, AppGate ZTNA (Federal)
Washington or Scott Air Force Base or Gunter Air Force Base or Kirtland Air Force Base or Maryland or Virginia
$177k-$192k/yr RemoteFull Time
Gormat
Gormat: Provides cybersecurity and systems engineering services to government defense agencies
8+ YOE8+ years delivering networking/security/platform solutions, Linux administration, scripting (Bash, PowerShell, JavaScript), REST API integration, identity systems, public cloud and virtualization experience, STIG/SCAP hardening, and federal environment support.
AppGate ZTNA, Linux, Bash, PowerShell, JavaScript, REST APIs, Active Directory, DNS, PKI, SAML, OIDC, RADIUS, LDAP, AWS, Azure, GCP, VMware vSphere, Microsoft Hyper-V, Terraform, Ansible, SIEM, SOAR, NGFWs, STIG, SCAP
2w
Save
Mark Applied
Hide
Data Engineer
St Louis, Missouri, United States
HybridFull Time
Build-A-Bear
Build-A-BearNYSE: BBW: Sells customizable stuffed animals and provides interactive retail experiences.
5+ YOE5+ years data engineering experience, bachelor’s in CS/IS/data engineering, skilled in SQL, Python, Spark, cloud data platforms (Microsoft Azure), ETL/ELT design, API integrations, and data modeling.
SQL, Python, Spark, Microsoft Azure, Data Factory, Synapse, Databricks, Data Lake, Power PI, Tableau, Looker, Microsoft Dynamics 365, Salesforce
1mo
Save
Mark Applied
Hide
Sales Engineer - Mid-West US (Minnesota)
Minnesota or Wisconsin or St. Louis
RemoteFull Time
BlinkOps
BlinkOps: Agentic security automation platform for enterprise workflows.
3+ YOE3+ years in sales/solutions engineering for cybersecurity; strong security operations knowledge; hands-on with APIs, JSON, YAML, jq; experience with SIEM, SOAR, EDR, IAM, cloud services; demo and POC execution skills.
APIs, JSON, YAML, jq, SIEM, SOAR, EDR, IAM, GRC, AWS, Azure, GCP, Blink UI
1mo
Save
Mark Applied
Hide
Senior Developer
Sunset Hills, Missouri, United States
RemoteFull Time
Grimco
Grimco: Manufacturer and distributor of signs and sign-making supplies.
5+ YOE5+ years professional software development, strong SQL and relational DB skills, experience building system integrations (APIs/EDI), ability to work with legacy code, clear communication, and security awareness.
SQL, RPG, IBM i, IBM Power Systems, EDI, X12, REST, JSON, APIs, ERP, Microsoft Azure, AWS
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Atlanta or Boston or Morristown or Plano or St. Louis or St. Petersburg or Hyderabad
HybridFull Time
Zelis
Zelis: Providing healthcare payment and claims cost management solutions.
8+ YOE8+ years backend software engineering; degree or equivalent; cloud, IaC, CI/CD; APIs; strong communication; leadership.
TypeScript, Node.js, PostgreSQL, Angular, AWS, Terraform, Elasticsearch, CI/CD, SASS