535 api engineer jobs at 282 companies in Peotone, IL
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Senior API Integration Engineer
Chicago, Illinois, United States
$153k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years backend experience (2+ years in integrations), strong Kotlin or Python skills, integration architecture and API expertise, GCP/Docker/Kubernetes experience, observability and security/compliance knowledge (SOC2, HIPAA).
Kotlin, Python, RESTful APIs, Google Cloud Platform (GCP), Docker, Kubernetes (k8s), BigQuery, Dagster, Datadog, Prometheus, Grafana, HL7, FHIR, DICOM, NetSuite, SAP, Airflow, Prefect, Superset, Looker
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
2d
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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
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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
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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
5d
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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
3w
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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
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
4w
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Senior Engineer - Software
University Park, Illinois, United States
$78k-$134k/yr OnsiteFull Time
5+ YOEBachelor's in software engineering,5+ years engineering experience,web and mobile service development,proficiency with SQL,C#,C++,JavaScript/.NET,REST APIs,strong communication and design skills.
SQL, JavaScript, Angular, React, JQuery, Vue, C#, C++, ASP, .NET Core Framework, REST APIs, Atlassian, SIP, SMS, SMTP, SNMP, HTTPS, RS232, RS485, VoIP, SCADA
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
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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
1d
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Sr Reliability Engineer
Kankakee, Illinois, United States
$108k-$128k/yr OnsiteFull Time
7+ YOELead equipment reliability and maintenance strategy in regulated manufacturing; 7+ years maintenance/engineering experience; CMMS and predictive maintenance expertise; bachelor\u0002s degree in engineering; CMRP/CRE/API certifications preferred.
Power BI, CMMS, Maximo, SAP, TrackWise Digital
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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
3w
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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
2w
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Team Solutions Engineer - Enterprise
Downers Grove or Frisco
$84k-$152k/yr OnsiteFull Time
2+ YOE2+ years in telecommunications/IT with hands-on REST API and integration experience, strong technical presentation and communication skills, high school diploma required, STEM bachelor preferred.
REST API, Postman
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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
6d
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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
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
1mo
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Solutions Engineer
Chicago, Illinois, United States
RemoteFull Time
3+ YOE3+ years in solutions/forward-deployed engineering; experience designing and shipping integrations, AI/LLM tooling familiarity, exposure to Python/TypeScript/Go, and strong customer-facing skills.
APIs, SDKs, webhooks, Python, TypeScript, Go
2d
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Process Safety Engineer II
Northlake, Illinois, United States
$105k-$120k/yr OnsiteFull Time
5+ YOEBachelor's in chemical engineering,5+ years process/project engineering in chemical industry,strong PSM experience,knowledge of NFPA and API RP 520/521,AutoCAD and P&IDs;excellent communication and collaboration skills.
NFPA, API RP 520/521, AutoCAD, P&IDs, SAP, ICC
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