API jobs in Batavia, IL

Lisle, Illinois

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Today

Job Description: The staff instrumentation engineer is responsible for reviewing client requirements and standards for new or updated process instrumentation and developing instrumentation solutions to include detailed designs, specifications and sizing of process instrumentation including control valves and on/off automated valves. Must be experienced with DCS and PLC systems. Must be capable of working on multiple projects. Job Duties/Responsibilities: Lead instrumentation projects and prepar

Full-time

USD 110,000.00 - 150,000.00 per year

Sr. Instrumentation Engineer

Lisle, Illinois

•

Today

Job Description: The Sr. Instrumentation engineer is responsible for reviewing client requirements and standards for new or updated process instrumentation and developing instrumentation solutions to include detailed designs, specifications, and sizing of process instrumentation, including control valves and on/off automated valves. Must be experienced with DCS and PLC systems. Must be capable of managing multiple projects and mentoring intermediate and junior instrument engineers. Job Duties/R

Full-time

USD 140,000.00 - 185,000.00 per year

Associate Instrumentation Engineer

Lisle, Illinois

•

Today

Job Description: The associate instrumentation engineer is responsible for generating instrumentation project deliverables and working with the project instrumentation designers for new or updated process instrumentation. Other duties include performing project site surveys of existing instrumentation to be replaced or re-designed, performing client documentation searches, marking up drawings or data sheets for as found instrumentation and wiring details. Job Duties/Responsibilities: Review pro

Full-time

USD 90,000.00 - 130,000.00 per year

Staff Mechanical Engineer

Lisle, Illinois

•

Today

Job Description: Detail-oriented, reliable, creative team player to lead field evaluations of in-service equipment and piping systems to correct maintenance and reliability issues in process-industry facilities. Analyze, calculate, and design for new or rehabilitated infrastructure. Job Duties/Responsibilities: Lead field and technical evaluations of in-service equipment and piping to provide root-cause failure analysis of itemsPerform calculations, develop repair drawings, and provide repair/

Full-time

USD 110,000.00 - 150,000.00 per year

ServiceNow API Consultant (Remote)

Remote or Armonk, New York

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a ServiceNow API Consultant (Remote). Summary: We are seeking a skilled remote ServiceNow API Consultant to support enterprise integration initiatives. The ideal candidate will have strong experience with ServiceNow development, API integrations, scripting, networking, and security, along with the ability to work directly with technical and business stakeholders. This contract will start at 2-3 months but does have the possibility to extend.

Contract

$78 - $82 hourly

Application Developer (APIs, Events, Platform Engineering) :: Remote (Fulltime)

Remote

•

Today

We are seeking an experienced Application Developer (APIs, Events, Platform Engineering) to design, develop, and maintain scalable cloud-native applications and platform services on AWS. The ideal candidate will have strong expertise in Python, TypeScript, event-driven architectures, contract-first API development, platform engineering, and Infrastructure as Code (Terraform). This role requires hands-on experience building robust APIs, event-driven systems, authorization frameworks, and cloud-na

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Full-time

API Broadcomm Layer 7 Engineer

Remote

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3d ago

API Broadcomm Layer 7 Role Please inbox at Remote role - Prior hands-on experience in API management platforms, such as Layer 7 and/or the CA API Gateway version 9.4 and API related activities such as: requirement analysis, solution architecture and design, building API policies and assertions. Prior experience with CA API Administration functions Prior experience supporting CA API Gateway Operations Prior experience with creating and maintaining design documentation including use cases and seq

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Full-time, Third Party

Depends on Experience

Senior Oracle Integration & API Engineer

Remote

•

Today

Job Title: Senior Oracle Integration & API Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a Senior Principal Consultant (Oracle Integration & API Engineer) to design, build, and sustain the integration fabric that connects Oracle Fusion Cloud HCM to the broader federal HR technology ecosystem.

Full-time

USD 114,600.00 - 252,100.00 per year

Oracle Integration & API Engineer

Remote

•

Today

Job Title: Oracle Integration & API Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a Principal Consultant specializing in Oracle Integration & API Engineering to support a major federal HR modernization program. In this role, you will design and deliver secure, scalable, and reliable integratio

Full-time

USD 114,600.00 - 252,100.00 per year

Senior .NET Application Developer

Lisle, Illinois

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Today

We are looking for Senior .NET Application Developer for our client in Lisle, ILJob Title: Senior .NET Application Developer Job Location: Lisle, IL Job Type: Contract Pay Range: $52.00hr - $57.00hr Job Overview: Our client is seeking a hands-on Senior .NET Application Developer with 5 8 years of experience to support and enhance enterprise console and web applications. The role combines application maintenance, technical enhancements, production support, release management, application hosting,

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Third Party, Contract

Depends on Experience

API Developer III

Remote

•

Today

Description: Remote Our client seeks an API Developer to design, develop, and maintain APIs and integrations that support a broad digital ecosystem. The role will leverage Microsoft Azure services such as API Management, Application Gateway, and Logic Apps, plus C# .NET API applications, to deliver secure, scalable integrations across platforms including Salesforce, Workday, Microsoft Dynamics CRM and Commerce, Paycom, BlackLine, Jira, and ServiceNow. The developer will collaborate with cross

Contract

Windchill REST API Developer

Remote or Hybrid in Frisco, Texas

•

Today

Windchill REST API Developer Location: Frisco, TX 75033 or Remote Employment Type: W2 Contract, 12+ Months Sponsorship: Not available. C2C arrangements are not accepted. Job Description Talent Groups is seeking an experienced Windchill REST API Developers to support REST API development, application integrations, and enterprise Product Lifecycle Management (PLM) initiatives. This role is ideal for developers with hands on PTC Windchill experience and a strong background in REST API development,

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Contract

65 - 75

Technical Analyst - API Connect & Data Power

Remote or Durham, North Carolina

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Today

job summary: As a Subject Matter Expert (SME) and Systems Analyst, you will bridge the gap between business needs and technical implementation. You will lead the design, requirement gathering, and integration strategy for complex enterprise solutions, with a strong focus on API Connect management. location: Telecommute job type: Contract salary: $65 - 70 per hour work hours: 9am to 5pm education: Bachelors responsibilities: Key Responsibilities 1. API Connect & Requirement Gathering Gath

Contract

USD65 - USD70

Lead Application Engineer (Python, TypeScript, API) - remote position

Remote

•

Today

Available rate : $75/hr on W2 (no benefits) About R Systems: R Systems is a global leader in technology and analytics services, delivering innovative solutions to drive digital transformation across industries like Telecom, Banking, Healthcare, and Public Services. With over 4,400 professionals in 25+ countries, we are committed to helping our clients achieve operational excellence and enhanced customer experiences. We are proud to be Great Place to Work Certified in 10 countries, including Ind

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Contract

$75 - $80

Integrations Engineer II (API)

Remote

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8d ago

Job Title: Integrations Engineer II (API) Responsibilities Design, develop, test, and support API-based integrations with customers and vendors, including REST and SOAP web services. Gather and translate business and technical requirements from customers, vendors, and internal teams into working integration solutions. Build and maintain authentication, authorization, and data mapping logic for inbound and outbound API connections (e.g., OAuth, API keys, tokens). Monitor integration performance

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Full-time

$120000

Senior Salesforce Developer

Elmhurst, Illinois

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Today

A leading healthcare logistics and technology organization is seeking a Senior Salesforce Developer to join its growing engineering team. This full-time opportunity offers the chance to work on a highly customized Salesforce ecosystem that supports real-world operational workflows across a national platform. The role is ideal for someone who thrives in Apex development, Lightning Web Components, API integrations, and enterprise-scale Salesforce architecture. This position provides far more than

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Full-time

$120000 - $140000

Senior Node.js/Python Developer – AWS & API Automation

Remote

•

Yesterday

Senior Node.js/Python Developer AWS & API Automation REMOTE- 12 months Description: Senior NodeJS/Python/AWS Developer that can help us design, develop, and maintain Automation and API integration solutions based on NodeJS/Python that are deployed mostly in AWS using technologies like Terraform and Kubernetes. Must have: Designing/Building REST APIs and AutomationsNodeJS and PythonAWS: Lambda Functions & EKS (Kubernetes/Docker)SQLClear Communications SkillsNice tohave ApigeeJenkinsAzureAI Docu

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Contract, Third Party

60 - 65

Sr. Fullstack Engineer / .Net / React Native / API, AWS / Mobile+ - Remote

Remote or Newport Beach, California

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Today

Our client is a Southern California product engineering company building streaming applications for media organizations. Its platform supports live and on-demand content across web, mobile, and connected TV. They are seeking a Senior Full-Stack Software Engineer (.NET, React + Native Apps) for a remote role. This is a hands-on position spanning backend services, web applications, and native or cross-platform clients. The ideal candidate has strong C#/.NET and React/TypeScript experience and has

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Full-time

USD 130,000.00 - 160,000.00 per year

Business System Analyst - API Governance

Remote

•

24d ago

Job title: Business Systems Analyst Work location: 100% Remote Contract duration: Till Oct 2027, w/ possible extension Only W2, no C2C/1099 Top 3 Skills: Skill Set 1: API component understanding Skill Set 2: System integration facilitation Skill Set 3: Governance workflow definition Job insights: We are looking to have someone manage our API inventory. This would include working with application security teams to pull discovered API endpoint data from their scanning tools, populate the data in

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Contract

30 - 40

React.Js Web Developer (Fast API, Python)

Remote

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14d ago

Job Title: React.js. Web Developer (Fast API, Python)Location: Remote Key ResponsibilitiesDesign, develop, and maintain responsive web applications using React.js.Build and maintain high-performance REST APIs using FastAPI and Python.Integrate front-end applications with backend services and third-party APIs.Develop reusable UI components and ensure responsive design.Optimize application performance, scalability, and security.Write clean, maintainable, and well-documented code.Collaborate with p

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Contract, Third Party

Depends on Experience

API jobs in Batavia, IL, USA