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Sr Java Api Developer Jobs (NOW HIRING)

Compunnel

Senior Java API / Microservices Developer

Mason, OH · On-site

$53.75 - $68.75/hr

Job Summary We are seeking a Senior Java API / Microservices Developer to design, develop, and support scalable backend microservices and REST APIs on AWS. This role focuses on backend engineering ...

Navtech, Inc.

Sr Java Developer with Kafka

Seattle, WA · On-site +1

$65.25 - $83/hr

Key projects: • Sr Java engineer - will work with other engineers to create a Java API around a legacy Scala codebase and implement Kafka stream processing. Team culture/work environment: • Team ...

Genesis10

Java API Developer

Charlotte, NC · On-site

$65 - $75/hr

Genesis10 is currently seeking a Java API Developer for a contract position with a Major Financial Services Firm located in Charlotte, NC. This is an 12+ month contract opportunity. This role will ...

New

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 ...

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 ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$49 - $63.25/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Direct Hire ... Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring ...

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 ...

Jobsbridge

Senior Java REST API Developer

Palo Alto, CA · On-site

$67.25 - $85.75/hr

... Software Engineering, Computer Engineering, or related field - Minimum 5 years Java Development experience - Test-driven development experience - Java JMX Qualifications Java, REST API, JMS ...

Jobsbridge

Senior Java REST API Developer

Palo Alto, CA · On-site

$67.25 - $85.75/hr

... Software Engineering, Computer Engineering, or related field - Minimum 5 years Java Development experience - Test-driven development experience - Java JMX Qualifications Java, REST API, JMS ...

Jobsbridge

Senior Java REST API Developer

Palo Alto, CA · On-site

$67.25 - $85.75/hr

... Software Engineering, Computer Engineering, or related field - Minimum 5 years Java Development experience - Test-driven development experience - Java JMX Qualifications Java, REST API, JMS ...

CGI Inc.

API Developer

Pittsburgh, PA · On-site

Looking for a Senior API Developer who has: . At least 8+ of Java/J2EE development, hands-on troubleshooting and deployment experience. (Mandatory) . Hands on experience working with cutting edge ...

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How much do sr java api developer jobs pay per hour?

As of Jul 9, 2026, the average hourly pay for sr java api developer in the United States is $62.83, according to ZipRecruiter salary data. Most workers in this role earn between $55.05 and $70.19 per hour, depending on experience, location, and employer.
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Infographic showing various Sr Java Api Developer job openings in the United States as of July 2026, with employment types broken down into 91% Full Time, 3% Part Time, and 6% Contract. Highlights an 77% Physical, 4% Hybrid, and 19% Remote job distribution, with an average salary of $130,681 per year, or $62.8 per hour.
Senior Java API / Microservices Developer

Senior Java API / Microservices Developer

Compunnel

Mason, OH • On-site

$53.75 - $68.75/hr

Contractor

Posted 2 days ago

Job description

Job Summary
We are seeking a Senior Java API / Microservices Developer to design, develop, and support scalable backend microservices and REST APIs on AWS. This role focuses on backend engineering, cloud-native application development, data integration, and production support. The ideal candidate will have strong expertise in Java, Spring Boot, AWS services, distributed systems, and modern data lake technologies including AWS Glue and Apache Iceberg.
Key Responsibilities
  • Design, develop, and maintain scalable microservices and REST APIs using Java and Spring Boot
  • Define API contracts and implement business logic, validations, standardized error handling, and logging
  • Apply resiliency and reliability patterns including retries, circuit breakers, timeouts, and idempotency
  • Conduct code reviews and enforce engineering and development standards
  • Mentor and guide engineering team members on technical best practices
  • Build and support cloud-native applications and services on AWS
  • Support CI/CD pipelines, deployment activities, and production troubleshooting
  • Design and optimize database access and query performance across relational and NoSQL databases
  • Work with Amazon S3 for file and table-based data storage, partitioning, encryption, and lifecycle management
  • Develop and support ELT pipelines using AWS Glue including jobs, crawlers, and workflows
  • Design and maintain Apache Iceberg tables including schema evolution, partitioning, and optimization strategies
  • Collaborate with data engineering and analytics teams to support data cataloging and query consumption
  • Troubleshoot data ingestion, pipeline, schema, and performance issues
  • Integrate backend services with ML inference endpoints and model-driven services
  • Support observability, monitoring, and operational excellence initiatives

Required Qualifications
  • Strong experience with Java and Spring Boot for backend API and microservices development
  • Experience designing and supporting production-grade REST APIs and distributed systems
  • Strong AWS experience including:
  • Amazon S3
  • IAM and security fundamentals
  • Encryption and access control concepts
  • Hands-on experience with AWS Glue and ELT/data ingestion workflows
  • Working knowledge of Apache Iceberg tables or similar lakehouse table formats
  • Strong database experience with:
  • Oracle
  • Aurora MySQL
  • MongoDB
  • Experience with CI/CD pipelines, Git, Maven, or Gradle
  • Experience with automated testing and production support activities
  • Strong troubleshooting, analytical, and problem-solving skills
  • Excellent verbal and written communication skills
  • Ability to lead technical design discussions and mentor engineering teams

Preferred Qualifications
  • Experience optimizing Athena queries including partition pruning and Iceberg maintenance strategies
  • Experience with Kafka or event-streaming platforms
  • Experience with Docker, Kubernetes, EKS, or ECS
  • Experience with observability and monitoring tools such as:
  • CloudWatch
  • Splunk/ELK
  • Prometheus/Grafana
  • OpenTelemetry
  • Python scripting and automation experience
  • Knowledge of security best practices including OAuth2, OIDC, JWT, OWASP, and secrets management
  • Experience with Infrastructure as Code tools such as Terraform or CloudFormation
  • Familiarity with AI/ML integration patterns and model-driven service architectures
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About Compunnel

Sourced by ZipRecruiter

Compunnel is a well-known company located in Plainsboro, NJ, US, recognized in the industry of IT Services and Solutions. Established in 1989, Compunnel offers a suite of services that help businesses integrate technology efficiently into their operations, a recognizable name in the IT solutions sphere for over three decades. The company’s service portfolio includes Digital Transformation, Business Intelligence, Cloud Services, Cybersecurity, and Application Modern Services, among others. Guided by its mission "to innovate with industry-leading digital solutions and disruptive tech strategies for unimagining business growth," the company underlines its commitment to offering out-of-the-box solutions to its clients. Remarkable achievements of the company include serving more than 30 Fortune 500 companies and providing job opportunities for over 50,000 individuals.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Plainsboro, NJ, US

Year founded

1994

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