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Api Developer Jobs in Washington, DC (NOW HIRING)

GDIT

Full Stack API Developer- TS/SCI with Polygraph

Chantilly, VA · On-site

$187K - $253K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Full Stack API Developer you will help ensure today is safe and tomorrow is smarter. Our work depends on Full Stack API Developer joining our team. WHAT YOU'LL NEED TO SUCCEED: * Education : BA ...

Arka Infotech Inc

Java Developer

Mclean, VA

$51.50 - $66.75/hr

Java Restful API Developer Location: Mclean, VA Length: 2 years Accepting relo candidates?: YES PHONE HIRE Visa Copy needed - Yes Requirements: - 5+ years cumulative software engineering experience ...

RIT Solutions, Inc.

Java API Engineer

Washington, DC · On-site

$58.50 - $80/hr

RIT Solutions, Inc. is seeking a Senior Java API Engineer to support and enhance a REST-based API platform for mobile applications. This role involves maintaining backend services built with Java in ...

540

API Solutions Architect

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Working with software engineers, systems architects, cybersecurity teams, and mission stakeholders, you will develop API specifications, governance processes, and reusable standards using Apigee ...

540

API Solutions Architect

Arlington, VA

Working with software engineers, systems architects, cybersecurity teams, and mission stakeholders, you will develop API specifications, governance processes, and reusable standards using Apigee ...

Doist

API Solutions Architect

Arlington, VA · On-site

$120 - $160/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Working with software engineers, systems architects, cybersecurity teams, and mission stakeholders, you will develop API specifications, governance processes, and reusable standards using Apigee ...

540

API Solutions Architect

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Working with software engineers, systems architects, cybersecurity teams, and mission stakeholders, you will develop API specifications, governance processes, and reusable standards using Apigee ...

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 ... API management, cloud operations, and customer support. Required Clearance * Active DoD TS/SCI ...

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 ... API management, cloud operations, and customer support. Required Clearance * Active DoD TS/SCI ...

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 ... API management, cloud operations, and customer support. Required Clearance * Active DoD TS/SCI ...

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Api Developer information

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How much do api developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for api developer in Washington, DC is $67.83, according to ZipRecruiter salary data. Most workers in this role earn between $61.78 and $76.25 per hour, depending on experience, location, and employer.

What does an API developer do?

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.

What are the key skills and qualifications needed to thrive as an API developer?

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.

What does a typical workday look like for an API developer?

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.

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 cloud platforms like AWS or Azure enhance job prospects, and demand is expected to grow as digital transformation accelerates.

How much does an API developer make?

An API developer's salary varies based on experience, location, and skills, but typically ranges from $70,000 to $130,000 annually. Senior developers with expertise in RESTful APIs, security, and cloud platforms can earn higher salaries, especially in competitive markets.

Is an API developer a good career?

An API developer is a valuable role in software development, focusing on designing and maintaining application programming interfaces that enable different software systems to communicate. The role often requires knowledge of programming languages, API protocols, and tools like REST or GraphQL, and offers opportunities for growth in technology companies and development teams. It can be a stable and well-paying career path with demand driven by digital integration needs.

What are the most commonly searched types of Api Developer jobs in Washington, DC?

The most popular types of Api Developer jobs in Washington, DC are:

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For Api Developer jobs in Washington, DC, the most frequently searched job titles are:

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Api Developer jobs near you
Infographic showing various Api Developer job openings in Washington, DC as of August 2026, with employment types broken down into 82% Full Time, 4% Part Time, and 14% Contract. Highlights an 81% Physical, 6% Hybrid, and 13% Remote job distribution, with an average salary of $141,084 per year, or $67.8 per hour.

Full Stack API Developer- TS/SCI with Polygraph

GDIT

Chantilly, VA • On-site

$187K - $253K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 28 days ago

General Dynamics Information Technology rating

7.8

Company rating: 7.8 out of 10

Based on 63 frontline employees who took The Breakroom Quiz

87th of 224 rated it services

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Software Engineering

Job Qualifications:

Skills:

ArangoDB, Atlassian JIRA, Java Full Stack Development

Certifications:

None

Experience:

15 + years of related experience

US Citizenship Required:

Yes

Job Description:

Deliver simple solutions to complex problems as an Full Stack API Developer at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application development, you'll make the end user's experience your priority and we'll make your career growth ours.
At GDIT, people are our differentiator. As a Full Stack API Developer you will help ensure today is safe and tomorrow is smarter. Our work depends on Full Stack API Developer joining our team.

WHAT YOU'LL NEED TO SUCCEED:

  • Education: BA/BS in Information Technology or related field or the equivalent combination of education, technical certifications or training, or work experience.
  • Experience: 15+ years of related
  • Required technical skills:
  • Handson experience using JIRA to support Agile development workflows.
    Proven success working on multidisciplinary application development teams.
  • Strong Full Stack Java development background.
  • Practical experience with the following technologies: Java, Spring Boot, Mongo, AWS services, JavaScript/TypeScript, Angular, and REST.
  • Experience using ArangoDB.
  • Security Clearance Level: TS/SCI with Polygraph
  • Desired skills:
  • Experience supporting missionfocused cyber operations applications.
  • Exposure to technologies such as Elasticsearch and OAuth 2.0 (collectively across the team)
  • Experience evolving data models to incorporate graph databases and linkanalysis structures
  • Ability to build linkanalysis visualizations for use in an application user interface
  • Strength in translating user requirements into full endtoend designs for applications and databases, including systems with multiple integration points
  • Location: Chantilly, VA, On Customer Site
  • US Citizenship Required


GDIT IS YOUR PLACE:

  • 401K with company match
  • Comprehensive health and wellness packages
  • Internal mobility team dedicated to helping you own your career
  • Professional growth opportunities including paid education and certifications
  • Cutting-edge technology you can learn from
  • Rest and recharge with paid vacation and holidays

#OpportunityOwned
#GDITCareers
#WeAreGDIT
#JET
#VA_2026Alumni
#GDITEnhanced2026

The likely salary range for this position is $187,000 - $253,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA VA Chantilly

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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About General Dynamics Information Technology

Sourced by ZipRecruiter

GDIT is a global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense, and intelligence community. Its 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. The company operates across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber, and application development.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

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