API Developer jobs in New Jersey

Pennington, New Jersey

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Today

Genesis10 is currently seeking a Java API Developer with our client in the financial industry located in Pennington, NJ. This is a 12+ month contract position. Responsibilities: Design and deliver code for regulatory event processing and order state management, error handling, regulatory reporting and similar system supporting changes for the regulations Requirements: 5+ years of recent Core Java development experience (Java 8) Experience with API creations and gateways Experience developing dis

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Full-time

USD 55.06 - 63.06 per hour

Java API Developer

Pennington, New Jersey

•

Today

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Full-time

USD 55.06 - 63.06 per hour

FIX API Developer

Remote

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30+d ago

Role :: FIX API Developer Location :: Remote / Raleigh, NC Type :: Fulltime Job Description Implementing FIX connectivity: This involves setting up and configuring connections between trading systems using the FIX protocol, ensuring proper session management (logon, heartbeat, logout), and handling message sequencing. Developing and integrating trading applications: Building applications that interact with various financial institutions using FIX messages to send orders, receive execution report

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Full-time

$100000 - $120000

API Developer

Remote

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2d ago

Role: API Developer Required Skills: Strong experience with Java (Java 8 or higher) and object-oriented programming principles.Proficiency in API design and development (REST, SOAP) with knowledge of HTTP and SOAP ProtocolsExperience with Spring Framework (Spring Boot, Spring MVC).Strong understanding of microservices architecture.Knowledge of database technologies (SQL/NoSQL) like MySQL, PostgreSQL, etc. PostgreSQL is preferred.Experience with cloud platforms (AWS, Azure, Google Cloud Platform)

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Full-time

$80,000 - $100,000

Java API Developer

Remote or Almont, Colorado

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Today

Description: **Remote** Join a dynamic team with a major healthcare organization, focusing on enhancing and maintaining APIs. The teams are involved in cloud migration, data governance, and leveraging AI tools to increase productivity. They work closely with both legacy systems and modern cloud platforms to deliver efficient solutions. Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes M

Contract

Compensation information provided in the description

CJA Developer - Remote. Must have strong experience in Strong expertise in Adobe Customer Journey Analytics (CJA) and Analysis Workspace, AEP datasets, schemas, and connections, SQL, data transformation, and API integration.

Remote

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10d ago

Role: CJA Developer Location: Remote Roles/Responsibilities: 12+Years Configure and manage CJA connections, data views, and metrics. Integrate data from AEP and other systems into Customer Journey Analytics. Build dashboards and visualizations using Analysis Workspace. Ensure data accuracy, validation, and consistency across channels. Collaborate with business stakeholders to define KPIs and reporting needs. Optimize performance of queries and visualizations. Skillset: Strong expertise in Adob

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Contract, Third Party

Depends on Experience

Sr COBOL DB2 Mainframe Developer (with API & MQ) - Healthcare domain

Remote

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5d ago

NO 3RD PARTIES Job Title: Senior Software Engineer - Mainframe COBOL/DB2 Development Location: REMOTE Job Type: Contract - Fortune 10 Company - Healthcare/Insurance Overview: Overview: We are seeking a highly skilled Senior Software Engineer / Mainframe Developer with expertise in COBOL andDB2 development, with a solid understanding of MQ and API technologies. The ideal candidate will have experience in the healthcare industry, preferably in insurance, and be well-versed in Agile methodologies.

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Contract

$0+

Middleware Integration Senior API-SOA Developer

Remote or Houston, Texas

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Today

Date Posted: 2025-10-20 Country: United States of America Location: UTTX1: Corp Remote Office TX Remote Location , Houston, TX, 77064 USA Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace Systems

Full-time

USD 101,000.00 per year

Web API Developer

Remote or Somerville, Massachusetts

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Today

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par

Full-time

Python Developer

Jersey City, New Jersey

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Yesterday

Position: Python AI Developer Location : NJ/NY Onsite Visa: as per Client required Full time Role Skillset : Very Strong Python Dev + Some experience in AI/LLM Must : Cleint is looking for min 10 Years of Python AI Developer Python Dev + Some experience in AI/LLM. Very Strong Python Skillset. Experience in coding for GenAI Domain Chat GPT and other AI Service providers. Experience programming with Gen AI Local Lang Model (LLM) LLAMA. Experience in running python with AWS GPU EC2 machines .

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Full-time

Java Developer withPython experience

Jersey City, New Jersey

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3d ago

Title- Java Developer - Python experience must. Location- NJ Must be open to working from client's Northern Jersey office 3 times a week The final round of client interview will be in person. Make sure the candidate is actively coding in their current role on Java and is hands-on in python. - Strong proficiency in Java and Spring Boot framework with Python. - Experience with front-end technologies such as HTML, CSS, JavaScript, and popular frameworks like React. - Familiarity with RESTful APIs

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Contract

Depends on Experience

Golang Developer with AWS Expertise

Remote

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10d ago

Job Title: Golang Developer with AWS Expertise Location: Remote Duration: Contract Required Qualifications: Golang development experience. Strong understanding of microservices architecture and concurrent programming in Go. Hands-on experience with AWS cloud platform particularly with ECS/EKS, Lambda, S3, RDS, DynamoDB, API Gateway, and CloudWatch. Experience with Docker and Kubernetes for containerization and orchestration. Proficiency with Git, CI/CD pipelines, and automated deployments. Famil

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Contract

Depends on Experience

Facets Developer with CareAdvance

Remote

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3d ago

FHIR/API/Facets developer, 8+ years of experienceClinical CareAdvance experience, client didn t say how extensive but the more the better to be safe.

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Contract

Depends on Experience

API Software Engineer

Remote or Rock Island, Illinois

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Today

Description Are you passionate about building engineering automation tools and working with cutting-edge technology? A growing team is looking for a Revit API Software Engineer to help develop and enhance a robust library of applications that streamline design workflows. Call or email Shania Lewis to apply (email is on LinkedIn). Responsibilities: Develop and maintain the codebase for Revit Layer applications, ensuring high-quality standards. Participate in development meetings, offering techni

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Full-time

USD 90,000.00 - 115,000.00 per year

Staff Backend Software Engineer, Curation

Remote or San Francisco, California

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Today

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility

Full-time

USD 170,371.00 - 350,763.00 per year

API/ODS Tester

Hanover, New Jersey

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12d ago

Title: API/ODS Tester Work Location: Wilmington, DE (Hybrid) Position Type: Contract Duration: Long Term Job Description: Design and develop API test cases and scenarios.Execute and automate API tests using industry-standard toolsIdentify, document, and track bugs and performance issuesCollaborate with developers and QA teams to resolve defectsEnsure APIs meet functional and non-functional requirementsAnalyze and report on test results, providing actionable insightsContinuously improve testing p

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Contract, Third Party

$45 - $50

Java Developer with Python Exp - W2 only

Jersey City, New Jersey

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5d ago

Title- Java Developer - Python experience must. Location- NJ W2 Only Must be open to working from client's Northern Jersey office 3 times a week The final round of client interview will be in person. Make sure the candidate is actively coding in their current role on Java and is hands-on in python. - Strong proficiency in Java and Spring Boot framework with Python. - Experience with front-end technologies such as HTML, CSS, JavaScript, and popular frameworks like React. - Familiarity with RESTf

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Contract

$60+

Lead Full Stack Software Engineer – API Lead for Web Team

Remote

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3d ago

Lead Full Stack Engineer About the Opportunity: A technology-driven organization is seeking a hands-on and people-oriented Lead Full Stack Engineer to join their growing software engineering team and lead 3-5 direct reports. This is a new position based on growth of the organization and new product lines, and will act as a hybrid technical and managerial role, driving both backend architecture and front-end delivery across critical digital platforms used in the transportation industry. The idea

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Full-time

Depends on Experience

Technical Lead- CRM API INTEGRATION

Remote

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12d ago

Lead exp in CRM integration. Integration to CRM system APIs such as Redtail, Wealthbox or any CRM application is fine. Act as a lead, coordinate onshore/offshore development team. Wealth management domain expertise is desired Technical Lead -For CRM API integration Implement integration between client management application and CRM systems such as Redtail- Offshore coordination Act as central delivery lead - coordinate onshore/offshore development team and communicate updates to key stakeholder

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Full-time, Third Party

Depends on Experience

Automation Test Engineer (Java, Selenium, API Testing)

Jersey City, New Jersey

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2d ago

Job Title: Automation Test Engineer (Java, Selenium, API Testing)Location:New JerseyEmployment Type: [Full-time]Experience: 8-10 years Job Summary:We are looking for a skilled Automation Test Engineer with strong expertise in Java, Selenium WebDriver, and API testing (REST & SOAP). The ideal candidate will design, develop, and execute automated test scripts to ensure high-quality software delivery in a continuous integration and delivery environment. Key Responsibilities:Design, develop, and mai

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Full-time

Depends on Experience

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API Developer jobs in New Jersey, USA