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Api Developer Jobs in Delaware (NOW HIRING)

Donato Technologies, Inc

Java FSD with AWS

Wilmington, DE · On-site

$49.50 - $64/hr

Java, Rest API & Microservices, AWS Wilmington DE Experience: 8+ Years Java FSD with AWS An FSD ... back-end developer role Design and developer application using Core Java Design and developer ...

Diverse Lynx

Java Developer with React (DE)

Wilmington, DE · On-site

$49.50 - $64/hr

Standard Java Developer * API development * Microservices * Cloud Native Design * Experience with Cloud AWS - EKS, Amazon Aurora PostgreSQL, Dynamo DB, S3, IAM, Route 53, ELB, SNS, SQS, Managed ...

Siri InfoSolutions Inc

Java Azure developer

New Castle, DE · On-site

$49.50 - $64/hr

... API, -ReactJS, JSF, -Native Azure Cloud development technologies, & Azure DevOps Roles & Responsibilities- -Develop technical designs for application development -Design, implement and maintain Java ...

My3Tech Inc

.Net Full Stack Developer

Dover, DE · Hybrid

Net Fullstack Developer We are seeking a highly skilled and motivated .Net Fullstack Developer to ... Utilize tools and technologies such as Visual Studio/VS Code, SOAP Web Services, REST API, JSON ...

Lorhan Corporation

Java AWS Engineer

Delaware City, DE

$50 - $68.50/hr

Implement secure API integrations using OAuth2, JWT, and Spring Security. * Work with Kafka and ... Bachelor's degree in Computer Science, Engineering, or related field. * 8+ years of hands-on Java ...

Syntricate Technologies

Senior Java Developer

Newark, DE · On-site

$56.25 - $71.50/hr

Role: Senior Java Developer Job Location: Charlotte, NC / Plano, TX / Atlanta, GA / Newark, DE ... Multi-threading, collections API, JDBC and knowledge of Java profiling tools. Experience in using ...

Chase

Lead Software Engineer

Wilmington, DE · On-site

... API design * Expertise in CI/CD pipelines, continuous delivery methods, end-to-end automation, and automated deployment strategies using modern DevOps tools and practices * Proficiency in test-driven ...

JP Morgan Chase

Lead Software Engineer

Wilmington, DE

... API design * Expertise in CI/CD pipelines, continuous delivery methods, end-to-end automation, and automated deployment strategies using modern DevOps tools and practices * Proficiency in test-driven ...

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How much do api developer jobs pay per hour?

As of May 28, 2026, the average hourly pay for api developer in Delaware is $59.94, according to ZipRecruiter salary data. Most workers in this role earn between $54.62 and $67.36 per hour, depending on experience, location, and employer.

What does an API Developer do?

An API Developer is responsible for designing, building, and maintaining application programming interfaces (APIs) that enable software applications to communicate with each other. They ensure APIs are secure, scalable, and efficient, often working with technologies like REST, GraphQL, and SOAP. API Developers collaborate with front-end and back-end teams to integrate systems and improve functionality. Their role also involves debugging, optimizing performance, and documenting API usage.

What are the key skills and qualifications needed to thrive in the Api Developer position, and why are they important?

To thrive as an API Developer, you need strong programming skills in languages like JavaScript, Python, or Java, as well as a solid understanding of RESTful and SOAP API protocols. Proficiency with tools such as Postman, Swagger, and familiarity with API security, cloud platforms, and relevant certifications (like AWS Certified Developer) are commonly required. Excellent problem-solving abilities, attention to detail, and clear communication skills help you collaborate effectively and navigate complex development challenges. These capabilities are crucial for building reliable, scalable APIs that enable seamless integration between diverse systems and deliver value to users and teams.

What does a typical workday look like for an API Developer?

A typical workday for an API Developer involves designing, coding, and testing APIs to ensure they meet business requirements and function optimally. You’ll frequently troubleshoot integration issues, review code for security and performance, and collaborate closely with front-end, back-end, and product teams to address evolving project needs. Daily tasks may include updating API documentation, participating in agile sprint meetings, and responding to technical support queries from other developers or partners. The work environment is often dynamic and collaborative, with a strong emphasis on continuous learning and adapting to new technologies.

What is the salary of API developer?

The average salary for an API developer varies by experience and location but typically ranges from $70,000 to $120,000 annually. Skilled developers with knowledge of REST, SOAP, and programming languages like Python or Java tend to earn higher salaries, especially with certifications or experience in cloud environments.
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Api Developer jobs near you
Java FSD with AWS

Java FSD with AWS

Donato Technologies, Inc

Wilmington, DE • On-site

$49.50 - $64/hr

Contractor

Posted 13 days ago

Job description

Java, Rest API & Microservices, AWS
Wilmington DE
Experience: 8+ Years
 
Java FSD with  AWS
An FSD/FSPE has an “end to end product” mindset - design, implementation, testing and deployment, and adds an additional skill (s) on top of traditional front/back-end developer role
Design and developer application using Core Java
Design and developer application using J2EE. Experience in J2EE design patterns
Create/consume Rest APIs & Microservices
Experience with Angular/React
Experience with CI/CD, Jenkins
Experience with Junit/Mockito
Experience with database (SQL/No-SQL_
Experience with Agile, Jira, Git
Experience with Kafka/Kubernetes
Experience with Cloud AWS – EKS, Amazon Aurora PostgreSQL, Dynamo DB, S3, IAM, Route 53, ELB, SNS, SQS, Managed Streaming for Apache Kafka (MSK), Cloud Watch
 
Must Have:
 
Java, Rest API & Microservices, AWS