15,381 Api Developer jobs in the United States

RamTEK Consulting is an information technology staffing company that provides services for a wide range of companies throughout the country. We are currently looking for a remote Web API Developerfor a contract to hire opening in Jacksonville, Florida.

Position Overview

We are seeking a highly skilled Web API Developer with deep expertise in .NET C# and RESTful API best practices. This role is instrumental in building and maintaining multiple APIs that form the backbone of our application infrastructure. You'll collaborate with cross-functional teams, integrate third-party services, and ensure consistent adherence to high-quality development standards across the team.

Key Responsibilities

• Design, build, and maintain robust and scalable RESTful APIs using .NET C#
• Collaborate with developers, architects, and product owners to define API specifications and integration needs
• Integrate and manage third-party API services, ensuring seamless communication and data flow
• Enforce and evangelize API development best practices, code standards, and patterns across the team
• Monitor, troubleshoot, and optimize existing API services for performance and reliability
• Maintain thorough documentation for APIs and development procedures

• Strong proficiency in C# and .NET Core/.NET 6+
• Solid understanding of REST architecture and API design principles
• Experience with API authentication/authorization protocols (OAuth2, JWT, etc.)
• Proven ability to build scalable and secure web services
• Familiarity with unit testing, mocking, and API test automation frameworks
• Comfortable working in Agile/Scrum environments
• Exposure to DevOps practices and CI/CD pipelines a plus

• Experience with JavaScript and Vue.js or similar frontend frameworks
• Familiarity with OpenAPI/Swagger for API documentation
• Knowledge of message brokers, background services, or microservices architecture

• Design, Build and maintain APIs.
• Required minimum of 6 years professional experience designing and developing Rest APIs and other (Kafka) Data Streaming services.
• Experience on UML or BPMN, workflow design.
• Working knowledge of SOAP Web Services, XML, JSON, XSD, WSDL, Postman.
• Experience working with Oracle, Mongo DB and SQL.
• Technical writing skills, good oral and written communications and presentation skills.
• Ability to work both independently and as part of a team.

• Programming Languages: Proficiency in languages like Java, Python, or JavaScript.
• API Frameworks: Experience with frameworks like Node.js, Spring Boot, or others relevant to the project.
• Web Service Protocols: Understanding of REST, SOAP, JSON, and XML.
• API Design Principles: Familiarity with concepts like versioning, authentication, and authorization.
• Database Management: Knowledge of SQL and Teradata databases.
• Version Control: Proficiency with Git.
• Security Practices: Understanding of encryption, data privacy, and security protocols.
• DevOps Practices: Knowledge of CI/CD pipelines and containerization technologies like Docker or Kubernetes.

We are seeking an experienced API Developer to design, develop, and maintain robust APIs for web and mobile applications. The ideal candidate will collaborate with cross-functional teams, ensure security compliance, and optimize performance in a continuous integration/delivery environment. The role requires strong technical expertise, problem-solving skills, and experience working in Agile environments.

Job Responsibilities:

• Collaborate with Business Analysts and Architects on non-functional requirements
• Triage and resolve technical issues escalated from development teams
• Partner with business stakeholders to explore options and evaluate potential solutions
• Participate in requirement gathering sessions, offering technical input
• Define and document specifications for APIs and SOAP services
• Write production-quality code using standard integration and API patterns
• Contribute to unit, functional, and non-functional testing of APIs
• Test features of new tools and frameworks being introduced
• Work in Agile methodologies and participate in all stages of the SDLC
• Ensure robust API security and authentication mechanisms
• Monitor API performance and troubleshoot issues promptly
• Conduct code reviews and implement improvements
• Maintain effective documentation of APIs for internal and external users
• Collaborate with frontend and backend developers to align API development
• Deliver scalable, efficient, and high-performing APIs

• 8+ years of experience in API development
• Proficient in designing, developing, and maintaining APIs for web and mobile platforms
• Strong understanding of API security, authentication, and performance monitoring
• Hands-on experience with Stratus Mainframe/Unix (preferred)
• Skilled in collaborating with cross-functional teams
• Proficient in code reviews and implementing enhancements
• Experience with Agile methodologies
• Excellent documentation and communication skills
• Ability to identify and resolve technical issues independently
• Bachelor's degree in computer science or related field (or equivalent work experience)

• Experience with SOAP services and API design best practices
• Exposure to CI/CD environments and tools
• Familiarity with new trends in API development and related technologies

Not Specified

Education:

Bachelors degree in computer science or equivalent work experience

As one of the world’s largest food-grade logistics companies, McLane Global relies on the efficiency of its fulfillment centers. We consider all our warehouses to be systematic and operate with a customer-centric mentality. To deliver on our promise to customers, we rely on exceptionally talented, bright, and committed people. We cultivate and embrace a diverse employee population. We recognize that people with diverse backgrounds, experiences and perspectives fuel our growth and enrich our global culture.

We are looking for a skilled API Developer to design, build, and maintain robust, secure, and scalable APIs that power our applications and services. The ideal candidate has hands-on experience with modern API development, follows best practices in security and performance, and enjoys working in a collaborative, fast-paced environment.

KEY RESPONSIBILITIES

• Design, develop, test, and deploy RESTful and/or GraphQL APIs.
• Collaborate with frontend, mobile, and backend teams to integrate APIs across platforms.
• Develop API documentation and ensure maintainability using tools like Swagger/OpenAPI.
• Implement authentication and authorization mechanisms (e.g., OAuth2, JWT).
• Optimize API performance, scalability, and reliability.
• Maintain code quality, perform code reviews, and ensure adherence to software engineering best practices.
• Troubleshoot, debug, and resolve production API issues.
• Collaborate with DevOps teams to manage API deployment pipelines and version control.
• Ensure APIs comply with security standards and industry regulations (e.g., GDPR, PCI-DSS where applicable).
• Monitor API performance using logging, monitoring, and alerting tools.

Requirements

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent work experience).
• 3+ years of experience in backend development with a focus on API design and development.
• Proficiency in at least one modern programming language (e.g., Node.js, Java, Python, Go, C#, PHP).
• Strong experience with API development frameworks and tools (e.g., Express.js, FastAPI, Spring Boot, .NET Core).
• Solid understanding of RESTful principles, API versioning, and design patterns.
• Experience with API documentation tools like Swagger, Postman, or similar.
• Familiarity with API security best practices (OAuth 2.0, JWT, API Gateway security).
• Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).
• Knowledge of containerization and microservices architecture (Docker, Kubernetes is a plus).
• Familiarity with CI/CD pipelines and automated testing for APIs.
• Excellent problem-solving skills, attention to detail, and ability to work independently and in teams.

Preferred Qualifications

• Experience with GraphQL API development.
• Knowledge of API Gateway platforms (e.g., Kong, AWS API Gateway, Apigee).
• Familiarity with event-driven architectures and message brokers (e.g., Kafka, RabbitMQ).
• Experience working in Agile/Scrum development environments.
• Contributions to open-source projects or public API development experience.

Working Conditions

• Keyboarding - (Up to 8 hours per day) Entering text or data into a computer by means of a keyboard. Devices include a traditional keyboard, 10 keypads, touch screen and others.  
• Sitting/Standing - (Up to 8 hours per day) The ability to alternate between sitting and standing at a desk is present when a worker has the flexibility to choose between sitting or standing as needed when this need cannot be accommodated by scheduled breaks and/or lunch period.  
• Communication Verbally - (Up to 8 hours per day) Expressing or exchanging ideas by means of the spoken word to impart oral information to clients or the public and to convey detailed spoken instructions to other workers accurately, loudly, or quickly.  
• Additional physical efforts pertaining to the job

Benefits

• Competitive base compensation  
• Full Benefits including Medical, Dental and Vision effective on the first day of employment
• 401(k) with Employer Match (quarterly enrollment)
• Paid Holidays (no waiting period to receive holiday pay)
• Paid vacation, personal, and sick days effective on first day of employment
• All offers are contingent upon passing a background check and drug screening  
• No company visa sponsorships    
• No phone call or walk in inquiries for this position, apply online to be considered  

Disclaimer

Employees must be able to perform the essential functions of the position satisfactorily and if requested, reasonable accommodation will be provided to enable employees with disabilities to perform the essential functions of their job, absent undue hardship.    

Furthermore, job descriptions typically change over time as requirements and employee skill levels change. The Employer retains the right to change or assign other duties to this position.  

• Working closely with the Business, other application teams and the Integration Architect to understand Zurich's business/application needs.
• Creating and Supporting APIs for ZNA's mobile applications.
• Understanding Business Requirements, performing impact analysis and assessing technical challenges/feasibility in achieving required business outcome.
• Developing APIs using Mule Soft platform components including API Manager, Cloud Hub, Anypoint Studio and Any point MQ.
• Testing and improving performance of the APIs in terms of response time, reliability and resource usage.
• Troubleshooting complex production issues with APIs, identifying source of the issue and fixing/working with the appropriate team to get the issue fixed.
• Serve as technical lead on projects to design, develop, test, document, and deploy robust integration solutions on the MuleSoft platform.

• Bachelor's Degree and 7 or more years of experience in the Application Design and Development area. OR
• High School Diploma or Equivalent and 9 or more years of experience in the Application Design and Development area.

• MuleSoft Developer certification is preferred.
• 4 years of experience working with:
  • Mule Soft API development and cloud hub and RTF environments.
  • Service design using RAML (with JSON) and ODATA.
  • zure API development experience preferred.
  • Integration Architecture concepts, principles, and patterns to design API, Service Oriented Architecture, Batch Integration, and Restful JSON services.
  • Cloud-based technologies and integration to technologies hosted in Azure.
• Strong problem solving and analytical skills.
• Strong verbal and written communication skills.
• bility to handle multiple priorities on the team.

Req ID: 329484

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a API Developer to join our team in Dallas, Texas (US-TX), United States (US).

Day to Day job Duties: ? (what this person will do on a daily/weekly basis) ?

An Apigee Developer is responsible for designing, developing, and managing APIs using the Apigee API management platform. This includes implementing API security, traffic management, and other features to ensure secure and efficient API access and usage. Apigee Developers also work on creating and maintaining API proxies , microservices, and integrating APIs with various systems.

Key Responsibilities of an Apigee Developer:

API Design and Development: Designing, developing, and managing API proxies using Apigee.

API Security: Implementing security features like OAuth 2.0 , JWT , and other standards to protect APIs.

Traffic Management: Configuring and managing API traffic using throttling , caching, and other mechanisms.

Microservices Development: Developing and maintaining scalable microservices to support APIs.

Integration: Integrating APIs with various systems and platforms, including cloud environments .

Monitoring and Optimization: Monitoring API performance and optimizing them for efficiency.

Troubleshooting: Identifying and resolving issues related to API functionality and performance.

Documentation: Creating and maintaining documentation for APIs and related processes.

Collaboration: Working with cross-functional teams to gather requirements and deliver API solutions.

Staying Updated: Keeping up-to-date with the latest trends and best practices in API development.

Qualifications for an Apigee Developer:

• 8+ Strong understanding of RESTful APIs and API design principles .

• 8+ Experience with Apigee Edge or Apigee X .

• 8+ Proficiency in API security standards (OAuth, JWT, etc.).

• 8+ Knowledge of cloud platforms (GCP, AWS).

• 8+ Experience with API gateway concepts and architecture .

• 8+ Familiarity with CI/CD pipelines and automation tools .

• 8+ Strong problem-solving and troubleshooting skills.

• 8+ Excellent communication and collaboration skills.

Travel: This position is 60% onsite Client Location

Degree: Bachelors in Computer Science or equivalent work experience

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com (

NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here ( . If you'd like more information on your EEO rights under the law, please click here ( . For Pay Transparency information, please click here ( .

Req ID: 329484

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a API Developer to join our team in Dallas, Texas (US-TX), United States (US).

Day to Day job Duties: ** ** (what this person will do on a daily/weekly basis) ** **

An Apigee Developer is responsible for designing, developing, and managing APIs using the Apigee API management platform. This includes implementing API security, traffic management, and other features to ensure secure and efficient API access and usage. Apigee Developers also work on creating and maintaining API proxies , microservices, and integrating APIs with various systems.

Key Responsibilities of an Apigee Developer:

API Design and Development: Designing, developing, and managing API proxies using Apigee.

API Security: Implementing security features like OAuth 2.0 , JWT , and other standards to protect APIs.

Traffic Management: Configuring and managing API traffic using throttling , caching, and other mechanisms.

Microservices Development: Developing and maintaining scalable microservices to support APIs.

Integration: Integrating APIs with various systems and platforms, including cloud environments .

Monitoring and Optimization: Monitoring API performance and optimizing them for efficiency.

Troubleshooting: Identifying and resolving issues related to API functionality and performance.

Documentation: Creating and maintaining documentation for APIs and related processes.

Collaboration: Working with cross-functional teams to gather requirements and deliver API solutions.

Staying Updated: Keeping up-to-date with the latest trends and best practices in API development.

Qualifications for an Apigee Developer:

• 8+ Strong understanding of RESTful APIs and API design principles .

• 8+ Experience with Apigee Edge or Apigee X .

• 8+ Proficiency in API security standards (OAuth, JWT, etc.).

• 8+ Knowledge of cloud platforms (GCP, AWS).

• 8+ Experience with API gateway concepts and architecture .

• 8+ Familiarity with CI/CD pipelines and automation tools .

• 8+ Strong problem-solving and troubleshooting skills.

• 8+ Excellent communication and collaboration skills.

Travel: This position is 60% onsite Client Location

Degree: Bachelors in Computer Science or equivalent work experience

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com (

NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here ( . If you'd like more information on your EEO rights under the law, please click here ( . For Pay Transparency information, please click here ( .