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Junior Api Developer Jobs in Reston, VA (NOW HIRING)

BLN24

Junior Data Integration Developer

Mclean, VA · On-site

$80K/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 ...

BLN24

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 ...

BLN24

Junior Data Integration Developer

Mclean, VA · On-site

$67K - $88K/yr

They are seeking a Junior Data Integration Developer to support the development and integration of ... API validation activities. • Document data flows, API integrations, and system integration ...

INflow Federal

Sr Software Engineer (API)

Springfield, VA · On-site

$128K - $168K/yr

Proficiency in DevOps practices, Agile/Scrum methodologies, and continuous integration tools (e.g ... Exceptional communication and collaboration skills, with the ability to lead and mentor junior team ...

Via Logic LLC

Junior Python Developer

Chantilly, VA · On-site

$69.55 - $125.72/hr

Junior Python Developer Minimum Requirements * US Citizenship with TS/SCI and Counter-Intelligence ... Support troubleshooting and bug fixing across development and test environments * Assist with API ...

Cornerstone Defense

Junior .NET Developer

Reston, VA · On-site

$69K - $90K/yr

The Junior Software Developer will plan, design, develop, and test new software by applying ... NET Web Forms, MVC - SQL Database - HTML, CSS, and JavaScript - Responsive Web Design - Web API or ...

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Junior Api Developer information

See Reston, VA salary details

$25K

$92.6K

$143K

How much do junior api developer jobs pay per year?

As of Aug 24, 2026, the average yearly pay for junior api developer in Reston, VA is $92,566.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,700.00 and $90,500.00 per year, depending on experience, location, and employer.

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 the most commonly searched types of Api Developer jobs in Reston, VA?

The most popular types of Api Developer jobs in Reston, VA are:

What are popular job titles related to Junior Api Developer jobs in Reston, VA?

For Junior Api Developer jobs in Reston, VA, the most frequently searched job titles are:

What job categories do people searching Junior Api Developer jobs in Reston, VA look for?

The top searched job categories for Junior Api Developer jobs in Reston, VA are:

What cities near Reston, VA are hiring for Junior Api Developer jobs?

Cities near Reston, VA with the most Junior Api Developer job openings:

Junior Api Developer jobs near you
Infographic showing various Junior Api Developer job openings in Reston, VA as of August 2026, with employment types broken down into 82% Full Time, 7% Part Time, and 11% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $92,566 per year, or $44.5 per hour.

Senior Node.js API Developer

Accord Technologies Inc.

Sterling, VA • On-site

$50.75 - $65.50/hr

Contractor

Re-posted 28 days ago

Job description

Job Title: Senior Node.js API Developer
Location :Sterling, VA
Locals will be preferred . Anyone is is willing to relocate from EST will also be considered
This is a 100% Onsite role
Position type: W2 contract.

Good development experience on Node JS and is primarily a middleware/ backend development.

Experience on react as well. Good knowledge on API , JS and AWS architecture solutioning.

 

Job Title: Senior Node.js API Developer (7+ Years Experience in Node.JS)

Job Description:

We are seeking a highly experienced Senior Node.js API Developer with over 9 years of expertise in building and maintaining scalable, secure, and efficient backend systems. The ideal candidate will be responsible for designing, developing, and optimizing RESTful APIs and microservices, collaborating with cross-functional teams to deliver high-quality solutions, and ensuring the performance and security of our backend infrastructure.

Key Responsibilities:

  • Design, develop, and maintain RESTful APIs and microservices using Node.js and Express.js.
  • Write clean, well-documented, and efficient code adhering to best practices.
  • Collaborate with front-end developers, product managers, and other stakeholders to deliver integrated solutions.
  • Optimize application performance, scalability, and security.
  • Implement authentication, authorization, and data validation mechanisms.
  • Conduct code reviews and mentor junior team members.
  • Integrate third-party APIs and external services.
  • Deploy and monitor applications using cloud platforms such as AWS, Azure, or Google Cloud.
  • Build and maintain CI/CD pipelines for automated testing and deployment.
  • Document API designs and technical specifications.
  • Stay updated with the latest industry trends and incorporate innovative solutions.

Qualifications:

  • 9+ years of professional experience in Node.js development.
  • Strong proficiency in JavaScript and TypeScript.
  • Extensive experience with Express.js or similar frameworks.
  • Solid understanding of RESTful API principles, GraphQL (preferred).
  • Experience with microservices architecture and containerization (Docker, Kubernetes).
  • Proficiency with databases such as MongoDB, MySQL, PostgreSQL.
  • Knowledge of authentication/authorization protocols (JWT, OAuth).
  • Hands-on experience with cloud deployment and serverless technologies.
  • Familiarity with version control tools like Git.
  • Excellent problem-solving and communication skills.
  • Ability to work in a fast-paced, Agile environment.

Preferred Qualifications:

  • Experience with DevOps tools and CI/CD pipelines.
  • Knowledge of GraphQL, WebSockets, or real-time communication protocols.
  • Experience with monitoring and logging tools (Prometheus, Grafana, ELK).

 Key Skills:

  • Node.js & Express.js
  • RESTful API & GraphQL design
  • Microservices architecture
  • Database: MongoDB, MySQL, PostgreSQL
  • Authentication & Authorization (JWT, OAuth)
  • Cloud Platforms: AWS, Azure, Google Cloud
  • Containerization & Deployment: Docker, Kubernetes
  • Version Control: Git, GitHub, GitLab
  • Agile methodologies & DevOps practices