API jobs in Addison, IL

Chicago, Illinois

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4d ago

Role: Senior API Engineer MuleSoft , Onsite in Chicago, IL - Contract Job Description: Role Overview We are seeking a Senior API Engineer with strong hands-on experience designing, developing, securing, and deploying enterprise APIs and integrations using MuleSoft Anypoint Platform. The ideal candidate will have expertise in API-led connectivity, Salesforce and database integrations, API security, governance, CI/CD automation, and production operations. Experience with Microsoft Azure and AI-a

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Contract, Third Party

$50 - $60

Java Full Stack Developer - API, UI, React, Redshift, MST OR CST Time Zones

Remote

•

Today

Java Full Stack - API, UI, React Redshift Type: W2 With Benefits - No C2C Location: Remote - Working MST OR CST Time Zones Top 5 Technical Skills: Java, Spring Boot, API Developer, UI (React) Developer, Strong SQL, Redshift Full stack AWS (basic services) RDS, EC2, S3, Lambda, SNS, Redshift Top 3 Soft Skills: Strong Communications Working with Business Product Owners and Stakeholders Agile Job Description: API/UI Full Stack Developer UI Technologies are React API/Core/Backend Technologies are

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Full-time

Depends on Experience

Product ion Support (Java/API)

Chicago, Illinois

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Today

Job Description: Position : Production Support (Java/API) Location : Chicago, IL Pay Range: $42/hr - $45/hr on W2 Job Description Candidate will be responsible for the daily support and administration of Salesforce environments. They will also be making small changes to Apex code, making configuration changes and customizing Lightning Flows, managing custom integrations, and creating reports. Major Responsibilities Function as Salesforce specialist CRM developer responsible for the support o

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Contract

$42 - $45 per hour

Azure API Engineering

Remote

•

2d ago

Title: Azure API Engineering Location: Remote (USA) Role Overview The Senior API Engineer will be responsible for building and supporting scalable, secure, and high-performance APIs on Microsoft Azure. The ideal candidate will have hands-on experience with Azure API Management, Azure Functions, cloud networking, security, infrastructure automation, and CI/CD practices. Experience with MuleSoft and AI-assisted development tools is highly desirable. Key Responsibilities Design, develop, dep

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Contract, Third Party

$Dependence on the experience

Full Stack Java Developer - API, React, UI, Redshift, MST OR CST Time Zones - ZL

Remote

•

2d ago

Full Stack Java Developer - MST OR CST Time Zone No C2C or 1099 Must be Direct W2 - 100% Remote Must be in MST or CST ONLY Technical Skills: Java,Spring Boot,API Developer,UI (React) Developer,Strong SQL,RedshiftFull stackAWS (basic services) RDS, EC2, S3, Lambda, SNS, RedshiftTop 3 Soft Skills: Strong CommunicationsWorking with Business Product Owners and StakeholdersAgileJob Description: API/UI Full Stack Developer UI Technologies are React API/Core/Backend Technologies are Java, Springboot, R

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Full-time

Depends on Experience

SIEM Engineer

Hybrid in Chicago, Illinois

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10d ago

SIEM Engineer Salary: $150k-$160k + bonus Location: Chicago, IL or Austin, TX Hybrid: 3 days onsite, 2 days remote *We are unable to provide sponsorship for this role* Qualifications Bachelor s degree3 5 years in IT or engineering2 3 years focused on SIEM, logging, or security analytics. Hands-on experience working with SIEM platforms such as Google SecOps (Chronicle), Splunk, Exabeam, or Microsoft Sentinel. Experience working with Cribl, including pipeline configuration and log onboarding, pref

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Full-time

$150,000 - $160,000

FTE :: Integration Architect (API and event) || Remote

Remote

•

2d ago

FTE :: Integration Architect (EPIC; API and Event) || Remote Role Description: Own integration architecture across source systems (Epic, ELMS, Oracle ERP/HR/Finance, terminology), Informatica MDM, TopBraid, Collibra, Google Cloud Platform and downstream consumers Key Responsibilities: Define end-to-end integration patterns for APIs, batch, events, pipelines, FHIR/data services, tables/files and data products.Define source/target contracts, interface ownership, SLAs, error handling, retry/replay,

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Full-time

$160,000 - $200,000

Java Full Stack Developer - API, React, UI, Redshift, CST OR MST Time Zones - ZL

Remote

•

2d ago

No C2C or 1099 Must be Direct W2 - 100% Remote Must be in MST or CST ONLY Technical Skills: Java,Spring Boot,API Developer,UI (React) Developer,Strong SQL,RedshiftFull stackAWS (basic services) RDS, EC2, S3, Lambda, SNS, RedshiftTop 3 Soft Skills: Strong CommunicationsWorking with Business Product Owners and StakeholdersAgileJob Description: API/UI Full Stack Developer UI Technologies are React API/Core/Backend Technologies are Java, Springboot, Redshift which is migrating that to Snowflake Stro

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Full-time

Depends on Experience

Full Stack Java Developer - React, UI, API, Redshift, AWS - ZL

Remote

•

2d ago

Easy Apply

Full-time

Depends on Experience

Apigee API Security Developer

Remote

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3d ago

Strong experience in API Security solutions and securing enterprise REST APIs.Hands-on experience with OAuth 2.0, authentication, authorization, JWT, access tokens, scopes, and OIDC.Experience with Okta and Auth0, preferably hands-on experience with Okta-to-Auth0 migration.Strong Java and Node.js development experience.Experience designing and developing RESTful APIs and Microservices.Strong AWS experience, particularly with cloud-based API and microservices architectures.Experience with FHIR AP

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Contract, Third Party

Depends on Experience

Agentic AI Architect

Oak Brook, Illinois

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13d ago

Job Title: Agentic AI Architect Job Type: Full time Job Location: Oak Brook, IL Experience Required: 15 to 20 years Compensation Range: $140K to $160K/Annum Job Description:We are seeking an innovative and visionary Gen AI & Software Architect to bridge the gap between core software engineering and modern generative AI.You will define the technical blueprints for our next generation enterprise applications, ensuring they are scalable, highly secure, and powered by intelligent AI agents.You will

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Full-time

$140,000 - $160,000

Lead Software Engineer (API Management)

Remote

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4d ago

Terms of Employment: Contract Duration: 4 Months (Short-term contract, potential extension based on performance and budget) Location: Remote (Must be based in approved East Coast states; must attend final round interview on-site in Reston, VA and be available for occasional on-site visits as required) Overview: Client is seeking an experienced Lead Software Engineer to join a dynamic enterprise integration team at a industry-leading organization. In this role, you will lead critical API migratio

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Contract

$80+

IT Software Engineer(Backend Lead Developer)

Hybrid in Chicago, Illinois

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6d ago

Position Title :IT Software Engineer(Backend Lead Developer)Job Location : Chicago, IL(Hybrid) Must have Skills/Attributes: API, AWS, Azure, Elastic Search, Java, JUnit, MySQL, Spring Boot, SQL Shift Looking for locals who can do inperson interview. Please do not provide false driving LIC. Only looking at backend lead developers Required Education Degree: Bachelor's degree or equivalent (implied by "Degree + 10+ years' experience") Years of Experience: 10+ years of professional software engine

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Contract

Up to $66

Technical Systems Analyst Exp with API and Banking Exp at Midvale UT( Need Local Candidates)

Remote or Midvale, Utah

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2d ago

REMOTETechnical Systems Analyst Exp with API and Banking ExpDuration:12 month contractLocation:Midvale UT.JOB DESCRIPTIONKey Responsibilities Serve as Technical Systems Analyst on agile software development projects, developing andmaintainingthe application integration architecture and leading proof of concept activitiesServe as a lead systems analyst in the development team to plan, coordinate,analyze, design, document and implement application integrations efforts to meet current and future ne

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Contract

Depends on Experience

WSO2: APIM (API Manager) - Remote

Remote

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9d ago

WSO2: APIM (APIManager) / Bijira, MI (Micro Integrator) / Devant, Ballerina.Runtime/Platform: Kubernetes, containers, ingress/controllers, service mesh (optional).OS/Infra: Linux administration (networking, systemd, filesystems), container registries (ACR/ECRR/Harbor) required for the middleware platform deployment and maintenance.Identity: Microsoft Entra (Azure AD) for OAuth2/OIDC/SAML, JWKS, app registrations.Messaging & Data: JMS/Kafka/RabbitMQ, MFT/SFTP, SQL/NoSQL.Observability & Security:

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Contract

Depends on Experience

Full Stack Java Developers - UI - API

Remote

•

2d ago

No C2C or 1099 Must be Direct W2 - 100% Remote Must be in MST or CST ONLY Technical Skills: Java, Spring Boot, API Developer, UI (React) Developer, Strong SQL, Redshift Full stack AWS (basic services) RDS, EC2, S3, Lambda, SNS, Redshift Top 3 Soft Skills: Strong Communications Working with Business Product Owners and Stakeholders Agile Job Description: API/UI Full Stack Developer UI Technologies are React API/Core/Backend Technologies are Java, Springboot, Redshift which is migrating that to S

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Contract

Depends on Experience

Full Stack Java Developers - React- API

Remote

•

2d ago

No C2C or 1099 Must be Direct W2 - 100% Remote Must be in MST or CST ONLY Technical Skills: Java, Spring Boot, API Developer, UI (React) Developer, Strong SQL, Redshift Full stack AWS (basic services) RDS, EC2, S3, Lambda, SNS, Redshift Top 3 Soft Skills: Strong Communications Working with Business Product Owners and Stakeholders Agile Job Description: API/UI Full Stack Developer UI Technologies are React API/Core/Backend Technologies are Java, Springboot, Redshift which is migrating that to S

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Contract

Depends on Experience

API Lead

Remote

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30+d ago

Job Title: API Lead JobLocation:Remote Job Duration: Fulltime Client: Federal Agency Key Responsibilities Design, develop, and maintain enterprise applications and integration solutions.Build and support REST APIs, web services, and enterprise integration frameworks.Design scalable, secure, and reusable integration architectures.Lead FHIR API development using FHIR and HL7 standards.Develop cloud-based integration solutions (AWS preferred).Create data mappings between databases, JSON, XML, HL7,

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Contract, Third Party

70 - 80

API Backend Developer/Engineer

Remote

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6d ago

Hi All, Please find the details below Title: API Backend Location: Remote Hiring Mode: Contract This role will focus on developing scalable API products, enabling API consumers, enforcing API governance standards, and supporting secure API onboarding and consumption patterns. The ideal candidate has strong hands-on experience with REST APIs, API management, API product design, Swagger/OpenAPI documentation, security controls, and modern integration patterns, including hands-on experience buil

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Contract

Depends on Experience

Solution Architect - Applications and Integration

Chicago, Illinois

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3d ago

Need someone comes with Applications and Integration heavy with deep knowledge on Architecture patterns, AWS services knowledge and building distributed systems. Experience designing event-driven and domain-driven architectures at scaleRegulated financial services experience banking, GSE, or insuranceExperience building pattern libraries and governance frameworksFamiliarity with MCP (Model Context Protocol) and LLM integration patternsProven ability to Deep AWS expertise: EventBridge, API Gate

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Third Party, Contract

Depends on Experience

API jobs in Addison, IL, USA