Carpentersville • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Carpentersville • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Carpentersville • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Carpentersville • 50 milesRemote · Hybrid · Onsite · Field · All Environments
664 api engineer jobs at 296 companies in Carpentersville, IL
2d
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z/OS Connect API Engineer
Chicago or Atlanta or Dallas or New Jersey or Nashville
$73k-$174k/yr OnsiteFull Time
Experienced engineer skilled in IBM z/OS Connect, REST APIs, OpenAPI, CICS, COBOL, DB2, enterprise security, CI/CD, GitHub, and Gradle; able to modernize mainframe services.
IBM z/OS Connect Enterprise Edition, REST, OpenAPI, Swagger, YAML, JWT, OAuth 2.0, OpenID Connect (OIDC), RACF, GitHub Actions, Gradle, CICS, COBOL, DB2, GitHub, Git, JSON, XML, Java, Spring Boot
4d
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Senior Associate API Integration Engineer - Hybrid - 4 days Atlanta, Chicago
Atlanta or Chicago
$123k-$170k/yr HybridFull Time
Requires AWS, API gateway, microservices, REST, Java, integration patterns, API security, testing, CI/CD, DevOps, monitoring, troubleshooting, and production support experience.
AWS, API gateway, microservices, REST, Java, Spring Boot, Node.js, JavaScript, Terraform, MuleSoft, Anypoint Platform, CloudHub, Runtime Fabric, GraphQL, Kafka, MQ, MongoDB, Cassandra, Db2, Oracle, MySQL
1mo
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Software Engineer, API
Chicago, Illinois, United States
$108k-$110k/yr HybridFull Time
3+ YOEBachelor's in CS/Engineering, 3+ years software development with API design, experience with Java, Spring Boot, AWS, OAuth/JWT, REST, Git, CI/CD, and testing frameworks.
RESTful Services, OAuth, JWT, Java, Spring Boot, AWS, Git, CI/CD
1w
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Senior Manager, API and Middleware Engineering
Chicago, Illinois, United States
$170k-$182k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years experience designing and leading enterprise API, middleware, and integration platforms with MuleSoft; strong vendor management, production support, API governance, and cross-team collaboration skills.
MuleSoft Anypoint Platform, Salesforce, CI/CD, DevOps
1mo
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Senior Software Engineer (Hogan API)
Hopkins or Atlanta or Chicago or Charlotte or Englewood or Brookfield or Irving
$120k-$141k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent and 5+ years relevant experience. Experience with mainframe/Hogan development (COBOL, JCL, CICS), APIs, system design, testing, security, and cross-team collaboration; Scrum familiarity.
Hogan COBOL, JCL, CICS, JSON, Splunk, IMS Database, GitLab, IDz/RDz (IBM Developer for zOS), Jira
1mo
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Senior Software Engineer - Customer Integrations (API)
United States or New York City or Dallas or Austin or Houston or Chicago or Nashville or Miami or Atlanta
$140k-$160k/yr RemoteFull Time
3+ YOE3+ years building backend services with Go/Java/Python/C#; strong API design, SQL/PostgreSQL, cloud (AWS/Azure/GCP/OCI) and Terraform experience; professional software engineering experience and strong communication/system design skills.
Go, Java, Python, C#, SQL, PostgreSQL, AWS, Azure, GCP, OCI, Terraform
1mo
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Senior Solutions Engineer
Chicago or New York or United States or Canada
RemoteFull Time
3+ YOE3+ years in solutions/sales/technical engineering supporting brokerage or trading infrastructure; experience with FIX, REST/APIs, SQL and a scripting language (Python/JavaScript/Go); strong communication and troubleshooting skills.
APIs, FIX, REST, SQL, Python, JavaScript, Go
1w
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GTM AI Engineer
Austin or Chicago or New York City or Salt Lake City or San Francisco or United States
$115k-$175k/yr RemoteFull Time
Background in software/data engineering or applied AI, experience shipping AI/LLM tools to production, systems thinking, API and workflow integration experience, strong independent delivery and stakeholder partnership skills.
Gong, Salesforce, APIs, agent frameworks, workflow orchestration, LLM
2mo
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Senior Application Engineer I
Washington D.C. or Chicago or New York City or Los Angeles
$133k-$183k/yr HybridFull Time
8+ YOE8+ years in advanced application support/configuration, experience with e-discovery and litigation platforms, APIs/ETL/data integrations, Microsoft SQL, Linux, REST APIs, PowerShell, emerging AI, strong communication and problem-solving.
Relativity Server/One, Reveal, BrainSpace, AI, APIs, REST APIs, ETL, data pipelines, Microsoft SQL, Linux, PowerShell
2mo
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Sr. Engineer - Oil & Gas
Lisle, Illinois, United States
$90k-$140k/yr OnsiteFull Time
10+ YOEBS in Civil, Mechanical, Chemical, Electrical or Petroleum Engineering; 5-15 years in oil/gas engineering; 3+ years PM experience; knowledge of DOT/API/ANSI/ASME; travel willingness; MS Office proficiency.
Word, Excel, PowerPoint, MS Project
2mo
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Founding Forward Deployed Engineer (FDE)
San Francisco or Chicago
$150k-$200k/yr HybridFull Time
2+ YOE2+ years in customer-facing engineering/implementation roles; strong Python and TypeScript/React skills; experience with APIs, ETL, webhooks, integrations, data modeling, and production debugging; comfortable on-site with customers and frequent travel.
Python, TypeScript, React, Kafka, AWS, Google Slides, APIs, ETL, webhooks
2mo
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Sr Engineer Process
Downers Grove, Illinois, United States
$148k-$170k/yr OnsiteFull Time
15+ YOEBachelor's in chemical or mechanical engineering, 15+ years process engineering experience in power/energy/chemical industries, ASME/API knowledge, H&MB and hydraulic analysis, proficient with AspenTech or Thermoflow; PE preferred.
AspenTech, Thermoflow
1w
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Structural Engineer III
Chicago, Illinois, United States
$99k-$142k/yr OnsiteFull Time
5+ YOEBachelor of Science in civil, structural, or related engineering; 5+ years of utility structural engineering experience; design-team leadership; professional engineer registration preferred; proficiency with engineering design software.
Risa3D, Risa Foundation, Mathcad, Mat3D, SAP2000, STAAD, AutoCAD, LPile, Microsoft Office, Microsoft Excel, ACI, AISC, ASCE, ASTM, ANSI, API, IBC, OSHA, PIP
1mo
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Application Engineer - Automation
Hanover Park or Indianapolis
$75k/yr FieldFull Time
5+ YOEBachelor's degree required, 5+ years in distribution/material handling, knowledge of AGV/VLM/ASRS, API and PLC controls, Microsoft Office, strong communication and project skills.
API, PLC, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word
6d
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Forward Deployed Engineer
Morrisville or Chicago or Raleigh or California or Colorado or Connecticut or District of Columbia or Hawaii or Illinois or Maryland or Massachusetts or Minnesota or Nevada or New Jersey or New York or Oregon or Rhode Island or Washington
$180k-$220k/yr HybridFull Time
5+ YOERequires 5+ years in software engineering, solutions engineering, applied AI, or related technical work; experience deploying AI solutions, LLMs, retrieval architectures, agents, enterprise APIs, and workflow platforms.
Microsoft Copilot Studio, Azure OpenAI, Microsoft 365, Microsoft Power Platform, ServiceNow, Python, JavaScript
1mo
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Platform Engineer (Chicago, US)
Chicago, Illinois, United States
$88k-$145k/yr HybridFull Time
6+ YOE6+ years in platform/infrastructure engineering; expert with cloud platforms (AWS/Azure/GCP), IaC (Terraform/CloudFormation), containers (Docker/Kubernetes), API engineering, multi-tenant design, Python/Go, and observability tools.
AWS, Azure, GCP, Terraform, CloudFormation, Docker, Kubernetes, Python, Go, Datadog, Prometheus, Grafana, CloudWatch, Snowflake, Snowflake Data Sharing, Databricks, Kafka, Kinesis, SFTP, OAuth2, JWT
1d
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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
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
2w
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AI deployment engineer (West)
San Francisco or Seattle or Chicago or Austin or New York City or London
$132k-$185k/yr HybridFull Time
5+ YOE5+ years in technical SaaS roles with 3+ years in solutions architecture/technical consulting; deep Python and API experience; enterprise SaaS delivery and strong communication skills.
Python, APIs, LLMs, Knowledge Graph
3w
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Senior Distinguished Engineer
McLean or Richmond or Chicago
$286k-$359k/yr OnsiteFull Time
9+ YOE5+ MgmtBachelor's degree and 9+ years in software engineering, solution architecture, enterprise architecture, design patterns, and JavaScript, TypeScript, and SPA frameworks; leadership of large engineering organizations preferred.
JavaScript, TypeScript, SPA frameworks, SRE, API, microservices, Java, Python, Go, Swift
1mo
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Sr. Automation Engineer
Chicago or Kansas City
$119k-$169k/yr OnsiteFull Time
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
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