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Junior Api Developer Jobs (NOW HIRING)

$53.50 - $69/hr

... junior engineers, fostering best practices in code quality, testing, and API design. • Establish and enforce standards for API documentation, versioning, security (OAuth2, JWT), and error handling ...

$80K - $105K/yr

Junior Python Developer United States Full-Time Pay Range: $80,000 - $105,000 per year Visa: H1B ... RESTful API development Databases * PostgreSQL * MySQL * MongoDB * SQLite * SQL Backend ...

$80K - $105K/yr

Junior Python Developer United States Full-Time Pay Range: $80,000 - $105,000 per year Visa: H1B ... RESTful API development Databases * PostgreSQL * MySQL * MongoDB * SQLite * SQL Backend ...

Apply for job Title: Jr. Java Developer Location: Middlesex, NJ Requirements: * Must Have: * Core ... REST/SOAP, API * Data Structures * Experience required: * 3+ years of experience * Knowledge of ...

Apply for job Title: Jr. Java Developer Location: Middlesex, NJ Requirements: * Must Have: * Core ... REST/SOAP, API * Data Structures * Experience required: * 3+ years of experience * Knowledge of ...

If the role involves leading a team or mentoring junior developers, experience in leadership roles or evidence of mentorship skills can be valuable. Overall, a successful API architect will have a ...

NET Developer, Junior builds UI, API, and database features from specifications, integrates services, and resolves defects in two-week sprints. Responsibilities * Implement features across UI, API ...

New

NET Developer, Junior builds UI, API, and database features from specifications, integrates services, and resolves defects in two-week sprints. Responsibilities * Implement features across UI, API ...

$80K - $100K/yr

Junior Developer United States Internship | Full-Time (40 hours/week) Pay Range: $80,000 - $100K ... FastAPI * RESTful API development Databases * MySQL * PostgreSQL * MongoDB * SQLite * SQL Data ...

Junior .NET Developer

Pine Brook, NJ · On-site

$68K - $89K/yr

Position : Jr. .NET Developer Location : Pine Brook, NJ Hybrid (3 days in the office) Duration : 6 ... RESTful API development. • Knowledge of SDLC, source control systems (Bitbucket/Git), and ...

Jr. SW Developer

Fairfax, VA · On-site

$68K - $88K/yr

Jr. SW Developer Category: Software Development/ Engineering Main location: United States, Virginia ... ECS/EKS, S3, RDS (PostgreSQL), SQS, SNS, Lambda, CloudFormation/CDK, API Gateway • Databases:

Junior Data Integration Developer

Mclean, VA · On-site

$67K - $87K/yr

Document data flows, API integrations, and system integration patterns. * Integrate AWS services including Lambda, S3, DynamoDB, API Gateway, and CloudFront. * Develop and execute unit and ...

Junior Data Integration Developer

Mclean, VA · On-site

$67K - $87K/yr

Document data flows, API integrations, and system integration patterns. * Integrate AWS services including Lambda, S3, DynamoDB, API Gateway, and CloudFront. * Develop and execute unit and ...

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How much do junior api developer jobs pay per year?

As of Jun 18, 2026, the average yearly pay for junior api developer in the United States is $88,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $87,000.00 per year, depending on experience, location, and employer.

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.

More about Junior Api Developer jobs
What cities are hiring for Junior Api Developer jobs? Cities with the most Junior Api Developer job openings:
What are the most commonly searched types of Api Developer jobs? The most popular types of Api Developer jobs are:
What states have the most Junior Api Developer jobs? States with the most job openings for Junior Api Developer jobs include:
Infographic showing various Junior Api Developer job openings in the United States as of June 2026, with employment types broken down into 86% Full Time, 9% Part Time, and 5% Contract. Highlights an 78% Physical, 5% Hybrid, and 17% Remote job distribution, with an average salary of $88,976 per year, or $42.8 per hour.
Fullstack Developer - Java Spring HYBRID with Security Clearance

Fullstack Developer - Java Spring HYBRID with Security Clearance

RMantra Solutions Inc.

Ashburn, VA

$53.75 - $69.25/hr

Other

Posted 28 days ago


Job description

RMantra Solutions is seeking to hire a Java Fullstack developer with expertise in Spring Boot for roles such as Full Stack Software Developer and Senior Java API Developer. Location: Ashburn, Virginia (Hybrid) will work onsite a couple of days weekly. Clearance: Must have either an active Department of Homeland Security (DHS) full Background Investigation (BI) or Top Secret or higher clearance. Will obtain a DHS Full BI clearance This position will involve working on mission-critical projects using and Agile Scrum methodologies. This role entails 75% development in Java and Spring Boot. Key Responsibilities
Application Development: Design, develop, code, and implement software applications, often using the Twelve-Factor App methodology. API and Microservices: Develop and design microservices and RESTful APIs. Cloud Integration: Work with cloud platforms such as Amazon Web Services (AWS) and containerization technologies like Docker and Kubernetes. Collaboration and Mentorship: Collaborate with cross-functional teams, participate in Agile ceremonies, and sometimes mentor junior staff. Testing and Quality: Maintain high standards of software quality using best practices and automated testing, including tools like JUnit and Selenium. Required Technical Skills
Programming Languages & Frameworks: Strong knowledge of modern Java (version 8+)
Spring Boot, and the broader Spring Framework (Cloud, Security, Data).
Front-end Technologies: Experience in front-end development using technologies like Angular or React, Redux, HTML, CSS, and JavaScript (ES6).
Databases: Experience interacting with relational databases like Oracle, PostgreSQL, MySQL, and NoSQL databases.
DevOps Tools: Proficiency with tools such as Git, Jenkins, SonarQube, Jira, and Confluence.
Authentication: Hands-on experience with modern authorization mechanisms like JSON Web Token (JWT) Immediate interview, send CURRENT resume to: