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Junior Api Developer Jobs in Delaware (NOW HIRING)

Senior Java Engineer

Middletown, DE

$54 - $68.75/hr

... API development. * Monitor application health using Prometheus, Grafana, OpenTelemetry, and ELK Stack . * Participate in architecture discussions, code reviews, mentoring junior engineers, and ...

Selenium, Automation, Java Coding exp is must, API Automation, Mainframe Testing, TOSCA * Design ... Perform code reviews and mentor junior QA automation engineers. * Collaborate with developers ...

Junior Api Developer information

What are Junior API Developers?

Junior API Developers are entry-level software professionals who specialize in building, maintaining, and integrating Application Programming Interfaces (APIs). They typically work under the supervision of more experienced developers to ensure that APIs function correctly and meet the needs of applications or external users. Their responsibilities may include writing code, testing endpoints, troubleshooting issues, and documenting API features. Junior API Developers often collaborate with other team members to deliver secure and efficient API solutions.

What are some common challenges faced by Junior API Developers, and how can they overcome them?

Junior API Developers often encounter challenges such as understanding legacy codebases, integrating with multiple third-party services, and ensuring robust security practices. Adapting to various documentation standards and debugging complex data flows can also be tricky at the start. To overcome these challenges, it's helpful to actively seek mentorship from more experienced colleagues, utilize comprehensive API documentation, and participate in regular code reviews. Building a habit of writing clean, well-documented code and learning automated testing tools can also help enhance your effectiveness and confidence in the role.

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

To thrive as a Junior API Developer, you need a solid understanding of programming languages (such as JavaScript, Python, or Java), RESTful API concepts, and basic software development principles, often supported by a relevant degree or coding bootcamp. Familiarity with API testing tools (like Postman), version control systems (such as Git), and documentation standards is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate with team members and address technical challenges. These skills are crucial for building reliable APIs, ensuring smooth integration, and supporting agile development in collaborative environments.

What is the difference between Junior Api Developer vs Api Developer?

AspectJunior Api DeveloperApi Developer
Required CredentialsTypically an entry-level degree in Computer Science or related field, some certifications preferredUsually requires more experience, advanced certifications, or specialized training
Work EnvironmentOften in team settings, under supervision, learning on the jobMore autonomous, responsible for designing and maintaining APIs independently
Employer & Industry UsageCommon in tech companies, startups, and organizations building APIsUsed across industries for developing scalable API solutions

The main difference between a Junior Api Developer and an Api Developer lies in experience and responsibility. Junior Api Developers are typically entry-level, focusing on learning and supporting API tasks, while Api Developers have more experience and handle complex API design and implementation independently.

What are popular job titles related to Junior Api Developer jobs in Delaware? For Junior Api Developer jobs in Delaware, the most frequently searched job titles are:
What cities in Delaware are hiring for Junior Api Developer jobs? Cities in Delaware with the most Junior Api Developer job openings:
Infographic showing various Junior Api Developer job openings in Delaware as of July 2026, with employment types broken down into 87% Full Time, 7% Part Time, and 6% Contract. Highlights an 80% Physical, 4% Hybrid, and 16% Remote job distribution.
Senior Java Engineer

Senior Java Engineer

IntraEdge

Middletown, DE

$54 - $68.75/hr

Contractor

Posted 19 days ago


Job description

We are seeking an experienced Senior Java Engineer with 10+ years of hands-on experience designing, developing, and deploying scalable, cloud-native enterprise applications. The ideal candidate will have deep expertise in Java, Spring Boot, microservices, distributed systems, Kubernetes, and cloud platforms (AWS, GCP, or Azure). This role requires strong technical leadership, architecture experience, and the ability to build secure, high-performance backend systems while collaborating with cross-functional teams in an Agile environment.
Key Responsibilities
  • Design, develop, and maintain scalable Java-based backend applications and microservices.
  • Build and support cloud-native applications using Spring Boot, Spring Cloud, Quarkus, and modern Java frameworks.
  • Develop and integrate RESTful APIs, gRPC, GraphQL, and event-driven solutions using Apache Kafka.
  • Deploy, manage, and optimize containerized applications on KubernetesOpenShiftEKSGKE, or AKS.
  • Design and implement scalable solutions on AWSGoogle Cloud Platform (GCP), and Microsoft Azure.
  • Optimize application performance, scalability, reliability, and resiliency in distributed environments.
  • Design and optimize database solutions using Oracle, PostgreSQL, Cassandra, and Redis.
  • Build and maintain CI/CD pipelines using Jenkins, GitHub Actions, ArgoCD, Maven, and Infrastructure-as-Code tools such as Terraform.
  • Implement security best practices including OAuth 2.0, OIDC, RBAC, Keycloak, HashiCorp Vault, and secure API development.
  • Monitor application health using Prometheus, Grafana, OpenTelemetry, and ELK Stack.
  • Participate in architecture discussions, code reviews, mentoring junior engineers, and driving engineering best practices.
  • Collaborate with product owners, architects, QA, and DevOps teams to deliver high-quality software solutions.
Required Qualifications
  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
  • 10+ years of software development experience with strong expertise in Java (Java 8–21).
  • Extensive experience with Spring Boot, Spring Cloud, Microservices, and distributed system design.
  • Hands-on experience with Apache Kafka, REST APIs, gRPC, and event-driven architectures.
  • Strong experience with Docker, Kubernetes, OpenShift, and container orchestration platforms.
  • Experience deploying and managing applications on AWS, GCP, or Azure.
  • Strong knowledge of relational and NoSQL databases including Oracle, PostgreSQL, Cassandra, and Redis.
  • Experience implementing CI/CD pipelines using Jenkins, GitHub Actions, ArgoCD, and build tools such as Maven.
  • Strong understanding of software architecture, design patterns, performance tuning, and scalability.
  • Experience with Agile/Scrum development methodologies and version control systems such as Git.
Preferred Qualifications
  • Experience with Quarkus, Akka, Scala, or Python.
  • Knowledge of Terraform, Helm, and Infrastructure-as-Code practices.
  • Experience with OpenTelemetry, distributed tracing, and observability platforms.
  • Familiarity with Vertex AI, cloud-native AI services, or modern data platforms.
  • Excellent communication, leadership, mentoring, and problem-solving skills.

We are seeking an experienced Senior Java Engineer with 10+ years of hands-on experience designing, developing, and deploying scalable, cloud-native enterprise applications. The ideal candidate will have deep expertise in Java, Spring Boot, microservices, distributed systems, Kubernetes, and cloud platforms (AWS, GCP, or Azure). This role requires strong technical leadership, architecture experience, and the ability to build secure, high-performance backend systems while collaborating with cross-functional teams in an Agile environment.
Key Responsibilities
  • Design, develop, and maintain scalable Java-based backend applications and microservices.
  • Build and support cloud-native applications using Spring Boot, Spring Cloud, Quarkus, and modern Java frameworks.
  • Develop and integrate RESTful APIs, gRPC, GraphQL, and event-driven solutions using Apache Kafka.
  • Deploy, manage, and optimize containerized applications on KubernetesOpenShiftEKSGKE, or AKS.
  • Design and implement scalable solutions on AWSGoogle Cloud Platform (GCP), and Microsoft Azure.
  • Optimize application performance, scalability, reliability, and resiliency in distributed environments.
  • Design and optimize database solutions using Oracle, PostgreSQL, Cassandra, and Redis.
  • Build and maintain CI/CD pipelines using Jenkins, GitHub Actions, ArgoCD, Maven, and Infrastructure-as-Code tools such as Terraform.
  • Implement security best practices including OAuth 2.0, OIDC, RBAC, Keycloak, HashiCorp Vault, and secure API development.
  • Monitor application health using Prometheus, Grafana, OpenTelemetry, and ELK Stack.
  • Participate in architecture discussions, code reviews, mentoring junior engineers, and driving engineering best practices.
  • Collaborate with product owners, architects, QA, and DevOps teams to deliver high-quality software solutions.
Required Qualifications
  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
  • 10+ years of software development experience with strong expertise in Java (Java 8–21).
  • Extensive experience with Spring Boot, Spring Cloud, Microservices, and distributed system design.
  • Hands-on experience with Apache Kafka, REST APIs, gRPC, and event-driven architectures.
  • Strong experience with Docker, Kubernetes, OpenShift, and container orchestration platforms.
  • Experience deploying and managing applications on AWS, GCP, or Azure.
  • Strong knowledge of relational and NoSQL databases including Oracle, PostgreSQL, Cassandra, and Redis.
  • Experience implementing CI/CD pipelines using Jenkins, GitHub Actions, ArgoCD, and build tools such as Maven.
  • Strong understanding of software architecture, design patterns, performance tuning, and scalability.
  • Experience with Agile/Scrum development methodologies and version control systems such as Git.
Preferred Qualifications
  • Experience with Quarkus, Akka, Scala, or Python.
  • Knowledge of Terraform, Helm, and Infrastructure-as-Code practices.
  • Experience with OpenTelemetry, distributed tracing, and observability platforms.
  • Familiarity with Vertex AI, cloud-native AI services, or modern data platforms.
  • Excellent communication, leadership, mentoring, and problem-solving skills.
Education:Employment Type: CONTRACTOR

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About IntraEdge

Sourced by ZipRecruiter

At heart, we are a technology, products and services organization In our soul, it’s the people who make us what we are — the professionals we train and connect to next-level opportunities and the experts who create innovative solutions and value for our national and international partners. It’s true that innovative technology can provide a major boost to your business, but you also need the right talent pushing it forward. This critical combination is what we offer all of our partners: cutting edge tech solutions and the expertise to bring it to life.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

Chandler, AZ, US

Year founded

2002

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