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Junior Api Developer Jobs in Delaware (NOW HIRING)

Saransh Inc

SDET - Java Coding

Wilmington, DE · On-site

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 ...

Amtrak

Data & AI Senior Engineer - 90405345 - Remote

Wilmington, DE · On-site +1

$118K - $156K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Mentor junior and mid-level engineers, fostering skill development, collaboration, and engineering ... Strong understanding of API-first and event-driven architecture patterns, including secure service ...

Amtrak

Data & AI Senior Engineer - 90405345 - Remote

Wilmington, DE · On-site +1

$118K - $156K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Mentor junior and mid-level engineers, fostering skill development, collaboration, and engineering ... Strong understanding of API-first and event-driven architecture patterns, including secure service ...

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Junior Api Developer information

What is a junior API developer?

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 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 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 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.

Are API developers in demand?

API developers are in high demand due to the increasing reliance on web services and integrations across industries. Skills in REST, SOAP, and API management tools enhance job prospects, and many organizations seek professionals to develop, maintain, and optimize APIs for digital transformation.

How much does a Junior API Developer make?

A Junior API Developer typically earns between $50,000 and $70,000 annually, depending on location, experience, and company size. Entry-level roles often require knowledge of RESTful APIs, programming languages like Python or JavaScript, and familiarity with tools such as Postman or Swagger.

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 job categories do people searching Junior Api Developer jobs in Delaware look for?

The top searched job categories for Junior Api Developer jobs in Delaware are:

What cities in Delaware are hiring for Junior Api Developer jobs?

Cities in Delaware with the most Junior Api Developer job openings:

Junior Api Developer jobs near you
Infographic showing various Junior Api Developer job openings in Delaware as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

SDET - Java Coding

Saransh Inc

Wilmington, DE • On-site

Contractor

Re-posted yesterday

Job description

Job Title: SDET -  Java Coding     

Work Location: Wilmington, DE

Duration: Long Term 

Job Description

Mandatory Skills : Selenium, Automation, Java Coding exp is must, API Automation, Mainframe Testing, TOSCA

Job Description:

  • Design, develop, and maintain scalable test automation frameworks and Automation background is must, get SDET with Java and Selenium, TOSCA.
  • Cards functional knowledge is important.
  • Need to understand UAT test cases, execute them manually and then automate.
  • Selenium or Tosca knowledge and Java is a must.
  • Create readable, maintainable, and reusable test scripts aligned with acceptance criteria.
  • Integrate automated tests into CI/CD pipelines using tools like Jenkins, GitLab CI, or similar.
  • Perform code reviews and mentor junior QA automation engineers.
  • Collaborate with developers, product managers, and DevOps to identify test scenarios early in the development cycle.
  • Conduct root cause analysis on test failures and raise relevant defects with sufficient documentation.
  • Define and track quality metrics, test coverage, and automation progress.
  • Stay current with industry trends and advocate for continuous improvement in automation processes.