25 api jobs at 17 companies in Rensselaer, IN
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873 - Citgo Lemont IL - 2026 Fall TAR
Hammond, Indiana, United States
OnsiteTemporary
3+ YOEAPI 510/570 certification required, HS diploma, minimum 3 years 510/570 experience, valid driver\u0000s license, pre-access drug/alcohol test, background check, ability to lift 50 lbs and work at heights/confined spaces.
2mo
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Payments Connectivity-Developer Experience & Portal Ecosystem Enablement-Executive Director
Chicago or Jersey City or Tampa or Palo Alto
$157k-$260k/yr OnsiteFull Time
Senior product leadership in fintech, developer ecosystems, APIs, onboarding, sandboxing, and AI-assisted experiences; cross-functional collaboration with product, design, and engineering.
APIs, Sandbox, Onboarding tooling, Identity/Access, AI tooling, LLMs
3mo
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Tosca Automation Engineer
Columbus or Merrillville
$75k-$105k/yr HybridFull Time, Contract
5+ YOEFive+ years QA automation; 3+ years Tosca; SAP and Salesforce; API testing (REST/SOAP); SDLC, Agile/DevSecOps; strong communication.
Tosca, SAP, Salesforce, REST API, SOAP API, JSON, XML, Jenkins, Azure DevOps, qTest, NeoLoad
2w
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AI Developer and ERP support
Portage, Indiana, United States
OnsiteFull Time
Bachelor's in CS/SE/IT or equivalent experience; proficiency with AI-assisted development, LLMs, SQL, APIs, relational databases; strong analytical and communication skills.
large language models (LLMs), SQL, APIs
3w
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Data Analyst/ Programmer
Merrillville, Indiana, United States
OnsiteFull Time
Experience with ETL, machine learning, APIs, analytics, SDLC and change management; support off-hour rotations; strong communication and problem-solving; BS in Information Systems preferred.
AWS, Azure, API, Agile/Scrum
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
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Tank Maintenance Manager
Porter, Indiana, United States
$60k-$65k/yr OnsiteFull Time
5+ YOEHigh school diploma, 5+ years tank maintenance experience, welding/fabrication and basic electrical skills, valid driver’s license, API 653 preferred; ability to manage teams and maintain compliance.
1w
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Quality Assurance Metallographer
Gary, Indiana, United States
OnsiteFull Time
2+ YOEBachelor's in Engineering/Technology/Metallurgy preferred, 2 years steel or heavy industrial experience, lab and SEM experience a plus, familiarity with ISO 9001/API Q1, strong technical communication and analysis skills.
shears, vertical saw, horizontal saw, sample mounting equipment, sample polishing equipment, scanning electron microscope, optical microscope
2d
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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
1mo
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Recreational Therapist- Valparaiso, IN
Valparaiso, Indiana, United States
FieldPart Time
Provide 1:1 recreation- and activity-based interventions for individuals with developmental disabilities, follow the APIE process, implement treatment plans, document sessions, attend support team meetings, and complete incident reporting.
1w
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Level I Rope Access Technician
Hammond, Indiana, United States
FieldFull Time
1+ YOESPRAT or IRATA certification required, 1–3 years inspection experience in industrial environments, NDT/API certifications preferred, able to work at height, travel regionally/nationally, pass background and site onboarding.
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Level I Rope Access Technician
Hammond, Indiana, United States
FieldFull Time
1+ YOESPRAT or IRATA certified rope access technician with 1+ years inspection experience in industrial/refinery settings, ability to perform rope access NDT/API inspections, pass background checks, and travel regionally/nationally.
3w
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Welding Inspector
Matteson, Illinois, United States
$43/hr OnsiteFull Time
3+ YOE3+ years weld inspection experience on pipeline construction, knowledge of API 1104, AWS/CWI or CPWI certification, NDT and radiography familiarity, OSHA competent person, MT/PT Level 1, and Word/Excel skills.
Microsoft Word, Microsoft Excel
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Dual Coating & Welding Inspector
Matteson, Illinois, United States
$50/hr FieldFull Time
3+ YOEAWS CWI or equivalent, NACE CIP Level 1, 3–5 years pipeline construction/inspection experience, knowledge of API 1104 and ASME B31.8, DOT/OSHA familiarity, ability to read drawings, and proficiency with Microsoft Word and Excel.
Microsoft Word, Microsoft Excel
1mo
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Pipeline Field Project Construction Manager- (Illinois or Indiana area)
Crown Point or Illinois or Indiana
FieldFull Time
5+ YOEBachelor's in construction management, mechanical, or civil engineering (or API/CWI equivalents), PM certification desirable, 5+ years construction management experience, valid driver's license, 75% travel, OSHA familiarity, ability to work on active construction sites and at heights.
2mo
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Reliability Engineer (F/M/X) (USA - Chicago Heights, IL, US)
Chicago Heights, Illinois, United States
$100k-$118k/yr OnsiteFull Time
5+ YOEEngineering degree required; 5+ years plant maintenance/construction experience at a chemical plant; API vessel & piping inspector and Category II vibration analyst certifications (or obtain within 1 year); experience with SAP, AutoCAD, rebuilding pumps/compressors, PM/PdM, MI, and spare parts management.
SAP, Microsoft Office, Google Suite, AutoCAD
4w
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Applications Specialist
Culver, Indiana, United States
OnsiteFull Time
3+ YOE3+ years technical support or educational technology experience; experience with data integration, application configuration, and K-12 education; strong written and verbal English communication.
Veracross, Toddle, Blackbaud, LMS, APIs
2mo
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Principal Software Development Engineer (PBM AI Solutions)
Buffalo Grove, Illinois, United States
$144k-$288k/yr RemoteFull Time
10+ YOELeading architecture and delivery of cloud-native applications; 5+ years frontend, 5+ years backend, 3+ years AI/GenAI experience; strong leadership in agile environments.
Angular, React, React TypeScript, Python, REST API, CI/CD, AWS, Azure, GCP, BigQuery, Spanner, BigTable, API-first, Microservices
2mo
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Senior Architect - Development (Magento Architect)
Glenview, Illinois, United States
$122k-$214k/yr RemoteFull Time
9+ YOE3+ MgmtSenior Magento Architect with 9+ years lead development experience; strong Azure, Databricks, and Informatica MDM knowledge; hands-on design and leadership.
Magento, Adobe Commerce, Azure Data Factory, Databricks, Informatica MDM (P360/C360/S360/R360), REST, GraphQL, API, Redis, Varnish, CI/CD, Azure, AWS, PIM, ERP, CRM, P360