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Java Api Developer Jobs (NOW HIRING)

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation: $170.00 Work Model: Onsite - onsite Hours: 40.0 Security Clearance: Not specified Overview Leave ...

Scalence L.L.C.

Senior Java API Developer

Hopkins, MN · On-site

$58.25 - $74.25/hr

C. is a company seeking a Senior Java API Developer. The role requires extensive experience in Java development and API gateway technologies, with a focus on the banking domain. Qualifications

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation: $170.00 Work Model: Onsite - onsite Hours: 40.0 Security Clearance: Not specified Overview Leave ...

Collabera

Java/API Developer

New York, NY · On-site

$55.75 - $72.25/hr

Client is looking for a Java/API developer for a project with a client in the Pay-TV industry. This is a very strategic project for Client, as they are working on a new logo for their customer. They ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation: $170.00 Work Model: Onsite - onsite Hours: 40.0 Security Clearance: Not specified Overview Leave ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation: $170.00 Work Model: Onsite - onsite Hours: 40.0 Security Clearance: Not specified Overview Leave ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation: $170.00 Work Model: Onsite - onsite Hours: 40.0 Security Clearance: Not specified Overview Leave ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation: $170.00 Work Model: Onsite - onsite Hours: 40.0 Security Clearance: Not specified Overview Leave ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation: $170.00 Work Model: Onsite - onsite Hours: 40.0 Security Clearance: Not specified Overview Leave ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation: $170.00 Work Model: Onsite - onsite Hours: 40.0 Security Clearance: Not specified Overview Leave ...

NT Concepts

Java API Developer

Herndon, VA · On-site

$84K - $144K/yr

We are seeking a Mid-level API Java Developer , to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in ...

CGI Inc.

Senior Java API Developer - Backend

Pittsburgh, PA · On-site

$117K - $151K/yr

Senior Java API Developer - Backend Category: Software Development/ Engineering Main location: United States, Pennsylvania, Pittsburgh Alternate Location(s): United States, Ohio, Cleveland United ...

VLink Inc

Java API Developer

Dallas, TX · On-site

$50.75 - $65.50/hr

Java Developer/ Lead/ Architect Location: Cleveland, OH, Pittsburgh, PA, or Dallas, TX, Onsite 5 ... Required qualifications to be successful in this role · At least 9+ years of Java API development ...

GainAm

Java API Developer job

Hicksville, NY · On-site

$110K/yr

... Java API, Hector API, CQL and Kundera API Nice to have: AWS Certified Developer preferred Preferred education: Typically a Bachelor's Degree or global equivalent in related discipline. Job Type ...

Hirekeyz Inc

Globality BID- API Developer

Roanoke, TX · On-site

Contract Team is looking for a Java API developer designs, builds, and maintains RESTful APIs using Java, often within a microservices architecture. They collaborate with teams to define requirements ...

CGI

Senior Java API Developer - Backend

Pittsburgh, PA · On-site

$112K - $146K/yr

We are seeking an experienced Sr Java API Developer to drive the design, development, and delivery of scalable, high performance API solutions. The ideal candidate will have deep expertise in Java ...

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JAVA API Developer information

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$15

$56

$77

How much do java api developer jobs pay per hour?

As of Jul 16, 2026, the average hourly pay for java api developer in the United States is $56.70, according to ZipRecruiter salary data. Most workers in this role earn between $49.04 and $63.46 per hour, depending on experience, location, and employer.

What are some common challenges Java API Developers face when integrating APIs with legacy systems?

Java API Developers often encounter challenges when connecting modern APIs to legacy systems, such as dealing with outdated protocols, inconsistent data formats, and limited documentation. Overcoming these issues usually requires careful planning, thorough testing, and sometimes the development of custom adapters or middleware. Working closely with system architects and stakeholders is essential to ensure compatibility and minimize disruptions, while maintaining security and performance standards.

What are Java API Developers?

Java API Developers are software engineers who specialize in designing, building, and maintaining Application Programming Interfaces (APIs) using the Java programming language. They create backend services that allow different software applications to communicate with each other, ensuring data is exchanged efficiently and securely. Their responsibilities often include writing clean code, testing API endpoints, integrating third-party services, and maintaining documentation. Java API Developers also work closely with frontend developers, QA testers, and other stakeholders to deliver robust and scalable solutions.

What are the key skills and qualifications needed to thrive as a Java API Developer, and why are they important?

To thrive as a Java API Developer, you need strong proficiency in Java programming, RESTful API design, and a solid understanding of software development principles, often supported by a degree in computer science or related experience. Familiarity with frameworks like Spring Boot, tools such as Postman, and version control systems like Git are typically required, along with relevant certifications (e.g., Oracle Certified Java Programmer). Excellent problem-solving skills, attention to detail, and effective communication help developers collaborate with teams and translate business requirements into functional APIs. These competencies ensure robust, scalable, and maintainable API solutions that drive business applications forward.

What is the difference between Java Api Developer vs Java Software Engineer?

AspectJava Api DeveloperJava Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Java certifications
Work EnvironmentDevelops and maintains APIs, collaborates with backend teamsDesigns, develops, and maintains Java applications, including APIs
Employer & Industry UsageTech companies, startups, enterprise softwareTech firms, financial services, software development companies
Common Search & ComparisonOften compared for API-specific rolesBroader Java development roles

Java Api Developers focus specifically on creating and maintaining APIs, working closely with backend systems. Java Software Engineers have a broader scope, designing and developing entire Java applications, including APIs. Both roles require similar credentials and are common in tech industries, but their focus areas differ.

More about JAVA API Developer jobs
What states have the most Java Api Developer jobs? States with the most job openings for Java Api Developer jobs include:
What job categories do people searching Java Api Developer jobs look for? The top searched job categories for Java Api Developer jobs are:
JAVA API Developer jobs near you
Infographic showing various Java Api Developer job openings in the United States as of July 2026, with employment types broken down into 69% Full Time, and 31% Contract. Highlights an 94% In-person, and 6% Remote job distribution, with an average salary of $117,931 per year, or $56.7 per hour.
Sr.Java API Developer

Sr.Java API Developer

System One

Pittsburgh, PA • On-site

$170/hr

Other

Medical, Dental, Vision, Life, Retirement

Posted 16 days ago

Job description

Job Title: Sr.Java API DeveloperLocation: Pittsburgh, Pennsylvania, United StatesType: Direct HireCompensation: $170.00Work Model: Onsite – onsiteHours: 40.0Security Clearance: Not specified

OverviewLeave placeholder text here for recruiter to input

Responsibilities

  • Design, build, and deploy Java RESTful services and microservices to support client applications.
  • Develop API standards, improve existing services, and collaborate with API developers across teams to build new features at large scale.
  • Create and review technical design documents, and translate detailed requirements into functional system designs.
  • Utilize DEVOPs tools such as Jenkins, uDeploy, and GIT to streamline deployment processes.
  • Work with open-source and library components to expedite development and enhance system capabilities.
  • Integrate applications with Oracle / SQL Server databases and work with containerization tools like OpenShift and Kubernetes.
  • Adhere to security best practices by coding to prevent hacking vulnerabilities.
  • Participate in Agile teams, providing technical expertise and effective communication across diverse groups.
Requirements
  • At least 6+ years of experience in Java API development, REST APIs, Spring Boot, XML, JSON, and Swagger.
  • Proven experience developing and consuming SOAP and REST web services in a production environment.
  • Experience working with OpenShift, Containerization, and Microservices architecture.
  • 3+ years of experience with GitHub, Jenkins, and CI/CD pipelines.
  • Knowledge of client-side technologies such as Node.js and Angular 8+.
  • Hands-on experience with Kubernetes, Apache Kafka, and MongoDB.
  • Strong understanding of integrating Java applications with Oracle or SQL Server databases.
  • Excellent collaboration, communication, and writing skills in an Agile environment.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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