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Web Api Developer Jobs (NOW HIRING)

API Developer

Reston, VA · On-site

$110 - $150/hr

  • Retirement

SIMILAR CAREER TITLES Backend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

API Developer

Aurora, CO · On-site

$110 - $150/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

API Engineer ... Web Services Developer * Integration Developer * Software Engineer * Cloud Developer * Full Stack ...

New

API Developer

Tysons, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SIMILAR CAREER TITLES Backend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

Build and maintain high quality web and mobile applications with a strong focus on performance ... Partner with backend developers to define API contracts, data models, and integration strategies ...

API Developer

Aurora, CO · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SIMILAR CAREER TITLES Backend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

API Developer

Annapolis Junction, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SIMILAR CAREER TITLES Backend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

API Developer

Reston, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SIMILAR CAREER TITLES Backend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

API Developer

Honolulu, HI · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SIMILAR CAREER TITLES Backend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

API Developer

Chantilly, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SIMILAR CAREER TITLES Backend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

... Web Development, Cloud Computing, Computer Engineering, Software Architecture, etc. • TS/SCI Full ... API gateways • Understanding of containerization • Familiarity with cloud platforms • ...

API Developer

Chantilly, VA · On-site

$110 - $160/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SIMILAR CAREER TITLES Backend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

API Developer Category: Software Development/ Engineering Main location: United States, Texas ... Jenkins * JSON Web Token (JWT) * NoSQL * React JavaScript * RESTful (Rest-APIs) * Spring Boot

API Developer

San Antonio, TX · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SIMILAR CAREER TITLES Backend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

Web Service Proxy * XML Firewall * Implement API security mechanisms including: * OAuth 2.0 * JWT ... Collaborate with DevOps teams to automate deployments using CI/CD pipelines * Ensure compliance ...

Job Title API Developer Location * This is a Hybrid Onsite Position where the candidate must sit ... Build and maintain high quality web and mobile applications with a strong focus on performance ...

API Developer

San Antonio, TX · On-site

$90 - $130/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SIMILAR CAREER TITLESBackend Developer, API Engineer, Web Services Developer, Integration Developer, Software Engineer, Cloud Developer, Full Stack Developer, Microservices Developer, Systems ...

New

.NET API Developer

Lutz, FL · Remote

$115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

NET 8, ASP.NET Core Web API, Entity Framework(EF8), and Microsoft SQL Server. They will write high ... Developer for all things DevOps, CI/CD, Terraform, and Cloud Provisioning along with project ...

.NET API Developer

Lutz, FL · On-site +1

$115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

NET 8, ASP.NET Core Web API, Entity Framework(EF8), and Microsoft SQL Server. They will write high ... Developer for all things DevOps, CI/CD, Terraform, and Cloud Provisioning along with project ...

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Web Api Developer information

See salary details

$16

$45

$72

How much do web api developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for web api developer in the United States is $45.12, according to ZipRecruiter salary data. Most workers in this role earn between $34.62 and $54.57 per hour, depending on experience, location, and employer.

What is a web API developer?

Web API Developers are software professionals who design, build, and maintain application programming interfaces (APIs) for web-based systems. They enable different software applications to communicate with each other over the internet by creating secure, scalable, and efficient endpoints. Web API Developers typically use technologies such as REST, HTTP, JSON, and frameworks like Node.js, .NET, or Django to build APIs. Their work is essential for enabling front-end applications, mobile apps, or third-party services to interact with back-end systems.

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

To thrive as a Web API Developer, you need strong programming skills in languages such as JavaScript, Python, or C#, along with a solid understanding of RESTful principles and API design best practices. Familiarity with frameworks like Node.js or .NET, experience using tools like Postman, and knowledge of authentication protocols (e.g., OAuth) are typically required. Excellent problem-solving, communication, and collaboration skills help developers work effectively with cross-functional teams and address integration challenges. These competencies are vital for building robust, scalable APIs that enable reliable data exchange and power modern web and mobile applications.

What are some common challenges web API developers face when working on large-scale applications?

Web API Developers working on large-scale applications often encounter challenges such as ensuring consistent API versioning, maintaining backward compatibility, and optimizing performance for high traffic. Security is another major concern, requiring careful implementation of authentication and authorization. Additionally, collaborating with front-end teams and other backend services demands clear documentation and robust communication to align on data contracts and integration points.

What is the difference between Web Api Developer vs Backend Developer?

AspectWeb Api DeveloperBackend Developer
Required SkillsAPI design, RESTful services, programming languages (e.g., Java, Python)Server-side logic, database management, programming languages (e.g., Java, Python, PHP)
Work EnvironmentDeveloping and maintaining APIs, often collaborating with frontend teamsBuilding server-side applications, managing databases, and integrating systems
Industry UsageWeb services, SaaS, mobile app backendsWeb applications, enterprise systems, software solutions

Web Api Developers focus primarily on designing and implementing APIs that enable communication between different software systems. Backend Developers work on the server-side logic, database management, and overall application architecture. While both roles require programming skills and often overlap, Web Api Developers specialize in API endpoints and integrations, whereas Backend Developers handle broader server-side development tasks.

Are Web API developers in demand?

Web API developers are in high demand due to the increasing reliance on web services and cloud-based applications. Skills in REST, SOAP, and programming languages like JavaScript, Python, or C# enhance job prospects, and demand is strong across various industries including technology, finance, and healthcare.

How much does a Web API developer make?

A Web API developer's salary varies based on experience, location, and skill set, but typically ranges from $70,000 to $120,000 annually in the United States. Senior developers with expertise in RESTful APIs, security, and cloud integration can earn higher salaries, especially in competitive markets.
More about Web Api Developer jobs

What states have the most Web Api Developer jobs?

States with the most job openings for Web Api Developer jobs include:

Infographic showing various Web Api Developer job openings in the United States as of August 2026, with employment types broken down into 1% Internship, 80% Full Time, 11% Part Time, 1% Temporary, and 7% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $93,848 per year, or $45.1 per hour.

Contract .Net Web API Developer

Sonoma Consulting Inc.

Rosemont, IL • On-site

Contractor

Re-posted 3 days ago


Job description

Company Description

Sonoma Consulting provides the highest quality service and support to our clients and consultants. Our clients range from start-ups to Fortune 500 companies.

Job Description

DUTIES AND RESPONSIBILITIES
1.    Responsible for developing CLIENT websites to maximize the user experience and customer retention rate.
2.    Lead the development of new application components using the Microsoft technology stack.
3.    Oversee the development of new web technologies, including the development of innovative and engaging web pages for campaign activity.
4.    Create technical specifications based on functional requirements and industry based best practices.
5.    Manage website testing following the CLIENT testing strategy according to a given test plan and document results.
6.    Manage the identification and escalation of production problems.
7.    Manage the prioritization efforts to maintain and repair the existing web applications.
8.    Manage the operational effectiveness of the current web environments.

Qualifications

Required Qualifications
1.    Excellent communication, both written and spoken English, with both technical and not-so-technical people. Ability to explain why a design works or why it doesn't
2.    An understanding of responsive design and experience of delivering solutions to different resolutions and/or devices
3.    A proven track record of previous success in delivering scalable and complex web solutions
4.    Qualified candidates should possess:
1.    5-7 years as a programmer
2.    Deep Microsoft platform skills
3.    Full software development lifecycle experience on enterprise-class, scalable applications
4.    A full stack developer, with ability to design, and develop backend/server code and front-end.
5.    5+ years of demonstrated strong knowledge and proficiency in the following:
1.    .NET Framework
2.    VB.NET (C# a plus)
3.    ASP.NET
4.    QA and testing procedures
5.    SQL Server
6.    HTML 5
7.    JavaScript
8.    CSS
9.    WCF
6.    2+ years demonstrated strong knowledge and proficiency in the following development methodologies:
1.    Object oriented development
2.    Component based development
3.    Design patterns
4.    Design for re-use.
7.    2+ years technical lead experience in one or more of the following roles:
1.    Data modeling
2.    Web services development
3.    Application architecture and integration
4.    Testing and deployment
5.    User interface design
6.    Proven ability to understand a customer's needs
7.    Experience developing technical requirements based on business imperatives

Additional Information
Sonoma Consulting is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Sonoma Consult logo

About Sonoma Consult

Sourced by ZipRecruiter

Sonoma Consult is a California based C corporation helping companies bring products to the patient by working closely with the engineering teams and the clinicians. Our goal, no matter what stage of product development, is to create and execute a plan of action to move the product through the appropriate clinical and regulatory steps. Sonoma Consult works cohesively with the engineers and physicians to translate technologies to the clinic. Our goal is to help you get the very best product to the clinic and to the market. This includes planning, execution and ensuring critical data is delivered in the right format to ensure the feedback loop to the design team ultimately delivers the most advanced technology to the patient.

Industry

Business management consulting

Company size

1 - 10 Employees

Headquarters location

Sonoma, CA, US