Sr. Azure Integration Lead
Newark, DE · On-site
MuleSoft v4.x [AnyPoint, API's, ESBs, DataWeave] * Languages: Swagger, RAML, XSLT, Object-Oriented Programming Languages, Open API * IDE:Eclipse, VisualCode, Anypoint Studio,Visual Studio
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Newark, DE · On-site
MuleSoft v4.x [AnyPoint, API's, ESBs, DataWeave] * Languages: Swagger, RAML, XSLT, Object-Oriented Programming Languages, Open API * IDE:Eclipse, VisualCode, Anypoint Studio,Visual Studio
Quick apply
Newark, DE · On-site
MuleSoft v4.x [AnyPoint, API's, ESBs, DataWeave] * Languages: Swagger, RAML, XSLT, Object-Oriented Programming Languages, Open API * IDE:Eclipse, VisualCode, Anypoint Studio,Visual Studio
Wilmington, DE · On-site
$51 - $65.75/hr
Java Spring Boot REST API development Microservices architecture PostgreSQL React JavaScript ... Strong understanding of software engineering principles, object-oriented programming, and ...
New
Wilmington, DE · On-site
$51 - $65.75/hr
Java Spring Boot REST API development Microservices architecture PostgreSQL React JavaScript ... Strong understanding of software engineering principles, object-oriented programming, and ...
New
Wilmington, DE · On-site
$49.50 - $64/hr
Design and developer application using Core Java * Design and developer application using J2EE ... Java, Rest API & Microservices, AWS
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Wilmington, DE · On-site
$49.50 - $64/hr
Design and developer application using Core Java * Design and developer application using J2EE ... Java, Rest API & Microservices, AWS
Smyrna, DE · On-site
Stefanini is looking for Software Developer in Smyrna, DE (Hybrid) For quick Apply, please reach ... JSON, AJAX, REST API, WebSocket's7 Years Experience Required: General application design ...
Smyrna, DE · On-site
Stefanini is looking for Software Developer in Smyrna, DE (Hybrid) For quick Apply, please reach ... JSON, AJAX, REST API, WebSocket's7 Years Experience Required: General application design ...
Wilmington, DE · On-site
$49.50 - $64/hr
About the Job- We are looking for an experienced Java/AWS Developer to join one of our enterprise ... API Integration Testing, contract testing using any one framework Secondary Skill * Deep ...
Wilmington, DE · On-site
$49.50 - $64/hr
About the Job- We are looking for an experienced Java/AWS Developer to join one of our enterprise ... API Integration Testing, contract testing using any one framework Secondary Skill * Deep ...
Newark, DE · On-site
$65.05/hr
App Prog IV & V (Java, Java Spring, REST API/SOAP/Spring Boot) About BCforward BCforward is a ... We are seeking a Senior Application Developer to join our dynamic team. The ideal candidate will ...
Newark, DE · On-site
$65.05/hr
App Prog IV & V (Java, Java Spring, REST API/SOAP/Spring Boot) About BCforward BCforward is a ... We are seeking a Senior Application Developer to join our dynamic team. The ideal candidate will ...
$47.25 - $61.25/hr
REST API Integration Secondary Skills: * TypeScript * jQuery * Tailwind CSS * Git/GitHub * Figma ... Azure DevOps * CI/CD Pipelines * Web Accessibility (WCAG) * Performance Optimization * JSON & AJAX ...
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$47.25 - $61.25/hr
REST API Integration Secondary Skills: * TypeScript * jQuery * Tailwind CSS * Git/GitHub * Figma ... Azure DevOps * CI/CD Pipelines * Web Accessibility (WCAG) * Performance Optimization * JSON & AJAX ...
REQUIREMENT SDET / QA Automation Engineer Wilmington DE (Hybrid) Full time Exp =12+yrs Must have ... Test Automation (Selenium/Cypress), API Testing (Postman/SoapUI), Performance Testing (JMeter), SQL ...
REQUIREMENT SDET / QA Automation Engineer Wilmington DE (Hybrid) Full time Exp =12+yrs Must have ... Test Automation (Selenium/Cypress), API Testing (Postman/SoapUI), Performance Testing (JMeter), SQL ...
Wilmington, DE · On-site
$100 - $130/hr
Senior Java Full Stack Developer - Full‑Time, On‑Site We are looking for a Senior Java Full ... API Gateway, Circuit Breaker). * Apache Kafka: Event‑driven architecture, producer/consumer ...
Wilmington, DE · On-site
$100 - $130/hr
Senior Java Full Stack Developer - Full‑Time, On‑Site We are looking for a Senior Java Full ... API Gateway, Circuit Breaker). * Apache Kafka: Event‑driven architecture, producer/consumer ...
Dover, DE · On-site
$95 - $125/hr
We are looking for an experienced Full Stack Developer to build privacy-preserving, decentralized ... Solid understanding of RESTful API design, microservices, and cloud-native principles * Familiarity ...
Dover, DE · On-site
$95 - $125/hr
We are looking for an experienced Full Stack Developer to build privacy-preserving, decentralized ... Solid understanding of RESTful API design, microservices, and cloud-native principles * Familiarity ...
Dover, DE · On-site
$103K - $120K/yr
Candidate will be the developer on a small team supporting the 24x7 traffic management center ... REST API, Required, 3 years. Websockets, Required, 3 years. * General application design ...
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Dover, DE · On-site
$103K - $120K/yr
Candidate will be the developer on a small team supporting the 24x7 traffic management center ... REST API, Required, 3 years. Websockets, Required, 3 years. * General application design ...
New Castle, DE · On-site
$80K - $110K/yr
... API integration layers that decouple UI components from backend contracts. • Strong focus on ... Roles & Responsibilities We are seeking an experienced Frontend Engineer with strong expertise in ...
New Castle, DE · On-site
$80K - $110K/yr
... API integration layers that decouple UI components from backend contracts. • Strong focus on ... Roles & Responsibilities We are seeking an experienced Frontend Engineer with strong expertise in ...
New Castle, DE · On-site
$80K - $95K/yr
... API integration layers that decouple UI components from backend contracts. • Strong focus on ... Roles & Responsibilities We are seeking an experienced Frontend Engineer with strong expertise in ...
New Castle, DE · On-site
$80K - $95K/yr
... API integration layers that decouple UI components from backend contracts. • Strong focus on ... Roles & Responsibilities We are seeking an experienced Frontend Engineer with strong expertise in ...
Dover, DE · On-site
$103K - $120K/yr
Candidate will be the developer on a small team supporting the 24x7 traffic management center ... REST API, Required, 3 years. Websockets, Required, 3 years. * General application design ...
Quick apply
Dover, DE · On-site
$103K - $120K/yr
Candidate will be the developer on a small team supporting the 24x7 traffic management center ... REST API, Required, 3 years. Websockets, Required, 3 years. * General application design ...
Wilmington, DE · On-site
$70/hr
Strong REST API and Microservices development experience * Experience with Kafka or other messaging ... Knowledge of prompt engineering and model evaluation Responsibilities * Design and develop ...
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Wilmington, DE · On-site
$70/hr
Strong REST API and Microservices development experience * Experience with Kafka or other messaging ... Knowledge of prompt engineering and model evaluation Responsibilities * Design and develop ...
Wilmington, DE · On-site
API * React * AWS (if candidate has strong React and java skill if lakes the AWS knowledge, we can consider them)
Quick apply
Wilmington, DE · On-site
API * React * AWS (if candidate has strong React and java skill if lakes the AWS knowledge, we can consider them)
Wilmington, DE · On-site
$51 - $65.75/hr
Founded by a Latina engineer from Medell n and headquartered in Tampa, Florida, MAS Global ... API Gateway, Circuit Breaker). * Apache Kafka: Event-driven architecture, producer/consumer ...
Wilmington, DE · On-site
$51 - $65.75/hr
Founded by a Latina engineer from Medell n and headquartered in Tampa, Florida, MAS Global ... API Gateway, Circuit Breaker). * Apache Kafka: Event-driven architecture, producer/consumer ...
Solid understanding of OWASP Top 10 and API Security Top 10. * Strong technical judgment and ownership mindset. * Ability to communicate security risks clearly to engineers and leadership.
Quick apply
Solid understanding of OWASP Top 10 and API Security Top 10. * Strong technical judgment and ownership mindset. * Ability to communicate security risks clearly to engineers and leadership.
Solid understanding of OWASP Top 10 and API Security Top 10. * Strong technical judgment and ownership mindset. * Ability to communicate security risks clearly to engineers and leadership.
Solid understanding of OWASP Top 10 and API Security Top 10. * Strong technical judgment and ownership mindset. * Ability to communicate security risks clearly to engineers and leadership.
New Castle, DE · On-site
$156.16 - $234.24/hr
... DevOps, cloud‑native practices, and modern ways of working. 3. Platform Strategy & Domain ... Develop cross‑platform integration by governing API contracts, data flows, and system ...
New Castle, DE · On-site
$156.16 - $234.24/hr
... DevOps, cloud‑native practices, and modern ways of working. 3. Platform Strategy & Domain ... Develop cross‑platform integration by governing API contracts, data flows, and system ...
$10.59 - $16.71
1% of jobs
$16.71 - $22.83
0% of jobs
$22.83 - $28.96
0% of jobs
$28.96 - $35.08
0% of jobs
$35.08 - $41.21
3% of jobs
$41.21 - $47.33
5% of jobs
$47.33 - $53.45
11% of jobs
$54.48 is the 25th percentile. Wages below this are outliers.
$53.45 - $59.58
25% of jobs
The median wage is $60.52 / hr.
$59.58 - $65.70
27% of jobs
$66.35 is the 75th percentile. Wages above this are outliers.
$65.70 - $71.83
20% of jobs
$71.83 - $77.95
7% of jobs
$10
$59
$77
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.
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.
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.
The most popular types of Api Developer jobs in Delaware are:
For Api Developer jobs in Delaware, the most frequently searched job titles are:
The top searched job categories for Api Developer jobs in Delaware are:
Cities in Delaware with the most Api Developer job openings:
For Api Developer jobs in DE, the most frequently searched job titles are:

Full-time
Re-posted 28 days ago