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Java Api Developer Jobs (NOW HIRING)

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 ...

Senior Java API Developer - Backend

Pittsburgh, PA

$112.60K - $146.20K/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 ...

Java MS Developer | Onsite | Bellevue

Bellevue, WA · On-site

$57.50 - $74.50/hr

Java Api Developer With Machine Learning Expertise We are seeking a skilled Java API Developer with Machine Learning (ML) expertise to design, develop, and integrate robust APIs with machine learning ...

Java Developer

Alpharetta, GA · On-site

$45 - $65/hr

Java API Developer Location: Dallas, TX/ Charlotte, NC/ Alpharetta, GA/ New York, NY Duration: Contract Rate: $45-65/hr • 10+ years of experience in Java EE design and development preferred Java 8 ...

Java API

Plano, TX · On-site

$48.75 - $63.25/hr

Strong programming skills in Core Java and J2EE technologies. Fluent in advanced Java concepts with strong knowledge on the collections framework and multi-threading. Thorough understanding of API ...

Sr. JAVA API Developer

Atlanta, GA · On-site

$55 - $70.25/hr

Java Developer with experience building rest API's Architect, Design, and Develop extensible, scalable and highly-available Java based applications. • Accountable for architecture, integration and ...

Sr. JAVA API Developer

Atlanta, GA

$55 - $70.25/hr

Java Developer with experience building rest API's Architect, Design, and Develop extensible, scalable and highly-available Java based applications. Accountable for architecture, integration and all ...

Java API Engineer

Baltimore, MD · On-site

$50 - $55/hr

Java API Engineer Location: Remote - Must live in the continental United States Assignment Type: Contract Pay Rate: $50 - $55 / Hour W2 Work Schedule: Monday - Friday 9AM - 5PM (Flexible 8hr schedule ...

Java API Engineer

Baltimore, MD · Remote

$50 - $55/hr

Java API Engineer Location: Remote - Must live in the continental United States Assignment Type: Contract Pay Rate: $50 - $55 / Hour W2 Work Schedule: Monday - Friday 9AM - 5PM (Flexible 8hr schedule ...

Java API Engineer

Plano, TX · On-site

$49.50 - $68/hr

... DevOps exp in Jenkins • Having Experience in Harness is nice to have. • Experience in Apache Kafka framework and implementation • Experience in MuleSoft integration and API platform • ...

JAVA API

Minneapolis, MN · On-site

$53.25 - $69/hr

Java Api Location: Charlotte NC or Minneapolis, MN or Irving TX Duration: Fulltime Java Api 10+ ... Conducts code reviews to provide guidance on engineering best practices and compliance with ...

Are you a seasoned Java developer with a passion for building robust scalable APIs? We are seeking a talented individual like you to join our team as a API developer and play a key role in shaping ...

java API Developer (GC--USC)

Chicago, IL · On-site

$52.50 - $68/hr

At least 7years of experience in Java J2EE technologies Skills At least 4 years of experience in ... Be able to do complex designs and follow the best engineering practices Good written an d verbal ...

... Java/J2EE framework Experience with Cloud/AWS Technologies and NoSQL Framework Familiar with MongoDB/DocumentDB Job Requirements Searching for an API Developer. Must have: Strong experience in API ...

Java API Developer Appium using Java Good communication skills 8-10 years of professional ... experience Background Check :Yes Drug Screen :Yes Notes : Selling points for candidate : Project ...

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How much do java api developer jobs pay per hour?

As of Jun 4, 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 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 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 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:
Infographic showing various Java Api Developer job openings in the United States as of May 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 100% In-person job distribution, with an average salary of $117,931 per year, or $56.7 per hour.
Lead Java API Developer

Lead Java API Developer

Software Guidance & Assistance

Hartford, CT • On-site, Remote

Other

Posted 27 days ago


Job description

Software Guidance & Assistance, Inc., (SGA), is searching for an Lead Java API Developer for a CONTRACT TO HIRE assignment with one of our premier INSURANCE clients in HARTFORD, CT, COLUBUS, OH or Charlotte NC .
Hybrid Schedule in office / remote.

Technical Lead to lead the design and development of the Policy Booklet Generation module within a policy administration system. Responsible for reviewing and simplifying an overly complex architecture, streamlining and extending the data model to support multiple employee benefits products, defining integration patterns and APIs, and providing hands-on technical leadership (design reviews, code reviews, mentoring) through delivery.
Key Responsibilities
Technical & Design Leadership
Provide technical oversight, technical designs and documentation, and hands-on engineering for the Policy Booklet Generation module within the broader policy administration platform.
Assess and simplify the current application architecture, identifying areas of redundancy, inefficiency, and technical debt.
Develop technical designs at application level for a scalable, modular, and maintainable Policy Document Management module that is aligned with Solution Architecture Conceptual designs and Enterprise Architecture standards & patterns.
Design an extensible data model and framework capable of supporting multiple employee benefits product types.
Define integration patterns, API specifications, and interface contracts with upstream/downstream systems.
Delivery Leadership
Lead and mentor a cross-functional development team, providing guidance on engineering best practices and coding standards.
Drive technical decision-making across the development lifecycle, ensuring solutions meet performance, reliability, and security requirements.
Oversee the implementation of new software components and refactoring of legacy components.
Conduct code reviews and architecture reviews.
Partner with product managers, business analysts, solution architects and stakeholders to translate business requirements into technical designs.
Modernization & Simplification
Analyze existing data structures, content translation rules engines, and document templates to propose an optimized, simplified design.
Introduce approaches for modern document configuration, versioning, composition, and rendering.
Lead efforts to decouple content, rules, and formatting for easier maintenance.
Implement strategies for centralizing content and metadata.
System Integration & Standards
Ensure seamless integration with policy admin components such as product configuration and document management.
Ensure seamless integration with The Hartford's enterprise document generation engine (PDA) and document repository (Documentum).
Define and enforce standards for data governance, metadata structures, and API interactions.
Promote modernization technologies such as microservices, micro-frontends, cloud deployment models, and automation pipelines.
Stakeholder Collaboration
Collaborate with solution architects, product owners, and engineering leadership to align on technical strategy.
Communicate technical decisions, trade-offs, and roadmaps to leadership.
Partner with QA and DevOps to ensure robust testing and deployment processes.
Required Qualifications
Bachelor's or Master's degree in Computer Science, Engineering, or related field.
8+ years of software engineering experience with 4+ in a technical lead or architect role.
Experience designing large-scale enterprise applications, preferably in insurance or financial services.
Expertise in data modeling, architectural simplification, and legacy modernization.
Hands-on experience with API development, microservices, and cloud platforms (AWS/Azure).
Experience with document generation frameworks and content management systems.
Strong communication and leadership capabilities.
Preferred Skills
Experience with policy administration systems or document generation modules.
Knowledge of rules engines, metadata-driven architectures, or dynamic content assembly.
Familiarity with domain-driven design, event-driven architectures, and CI/CD.
Understanding of employee benefits product structures and regulatory requirements.
Java Certifications such as:
- Oracle Certified Professional: Java SE 11 Developer or Java SE 17 Developer
AWS Certifications such as:
- AWS Certified Solutions Architect - Associate or Professional
- AWS Certified Developer - Associate
Architectural or engineering certifications, such as:
- TOGAF 9/10 Certification
SGA is a technology and resource solutions provider driven to stand out. We are a women-owned business. Our mission: to solve big IT problems with a more personal, boutique approach. Each year, we match consultants like you to more than 1,000 engagements. When we say let's work better together, we mean it. You'll join a diverse team built on these core values: customer service, employee development, and quality and integrity in everything we do. Be yourself, love what you do and find your passion at work. Please find us at .
SGA is an Equal Opportunity Employer and does not discriminate on the basis of Race, Color, Sex, Sexual Orientation, Gender Identity, Religion, National Origin, Disability, Veteran Status, Age, Marital Status, Pregnancy, Genetic Information, or Other Legally Protected Status. We are committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, and our services, programs, and activities. Please visit our company to request an accommodation or assistance regarding our policy.
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