RESTful Web Services Developers

Hire RESTful Web Services Developers

When considering the design and development of the infrastructure for the World Wide Web, Representational State Transfer (REST) has long been a reliable and popular software architectural style. REST is a fundamental standard in the integration of systems, demonstrating its effectiveness and widespread use.

Representational State Transfer (REST) is a set of architectural principles for designing resource-oriented web services that facilitate communication and the transmission of resource states by leveraging the capabilities of the Hypertext Transfer Protocol (HTTP) to support a wide range of clients written in different programming languages.

In recent years, the Representational State Transfer (REST) architecture has become the predominant method of constructing RESTful web services, due to its widespread popularity and intuitive design. This has had a significant impact on the progress of the web, as REST’s accessibility has enabled a surge in the number of RESTful web services deployed.

In order to enhance responsiveness, user experience, scalability, portability, customization, clarity, and reliability, adhering to the design principles of Representational State Transfer (REST) is paramount. Implementing core REST characteristics, such as a client-server architecture, caching, statelessness, layered system utilisation, support for code on demand, and a unified interface, are all integral to achieving this objective. When all of these guidelines are successfully implemented, the system is then considered a REST system.

  • In other words, RESTful web services may be used on any system.
  • It’s portable, meaning it can be written in and run on any system or computer language.
  • It supports several document types, including HTML, JSON, text, and XML, among others.
  • Since there is less of a need for a precise definition than there is with SOAP, it is faster.
  • You may reuse them over and over again.
  • These may be used with any language.

Technologies For Development

Due to the fact that APIs are constructed upon distinct technologies, they can be easily understood by those who are proficient in programming. In order to maximise their usability, APIs are deliberately designed to be straightforward, enabling developers of varying levels of expertise to utilise them, as well as allowing programmers who may not be familiar with the underlying API technology to comprehend them.


Information can be transferred between applications by utilising JavaScript Object Notation (JSON). Application Programming Interfaces (APIs) provide a means of communication between programs, as they are unable to directly interact with each other. Consequently, they must exchange data and information in order to effectively communicate.

  1. Security

    In the next years, improving API security will be the top priority for most companies, and this will ultimately fuel API expansion.
  2. Keys

    Although there is no established protocol for the use of API keys, they are often employed by both API providers and API management providers. An API key is a single or double-keyed string that is included with each API request. While the primary purpose of API keys is to identify the program and user, they are frequently used mistakenly as a security measure. As a result, their use has become widespread.

Initial Authentication

One of the most effective and straightforward methods of controlling access to online resources is through the use of HTTP Basic authentication. This technique does not require the use of cookies, session IDs, or login pages, and does not involve any handshake protocols. Instead, it relies on the use of fields within the HTTP header, making it a fast and simple approach to secure access.

Authorization Flow Open

OAuth 2 is an open standard-based protocol for user authentication through HTTP which allows access tokens to be used in lieu of credentials to receive authorization for the use of applications, devices, servers, and APIs. The broad acceptance of this procedure is largely attributed to the fact that large services such as Google, Microsoft, Facebook, and Twitter employ it to enable the integration of third-party applications.

A JSON Web Token

JSON Web Token (JWT) is an open source extension of the OAuth 2.0 protocol which enables the generation of access tokens that make various assertions. JWT can be acquired using OAuth tokens, API keys, or other methods, and when combined with OAuth, JWT allows for the storage of almost any type of information.


A webhook is a type of push notification that is triggered in response to a predetermined event. When activated, data is sent to an external URL specified by the developer. This allows developers to be notified in real-time exactly when their APIs are being used, eliminating the need for continuous queries. By sending all relevant data to the responsible developer, webhooks provide an efficient and effective way to ensure that developers are aware of when their services are being actively utilised.

Innovating Businesses

Money & Banking

  • Digital currency exchange websites use APIs to facilitate currency conversion for its users.
  • It is essential for customers to have access to Application Programming Interfaces (APIs) in order to perform financial tasks, such as viewing loan eligibility, making transfers, and checking account balances, from their mobile devices. This type of access provides customers with the convenience of managing their finances while on the go.
  • Many members of the Millennial generation prefer to make payments using mobile payment services such as Google Pay, Chase QuickPay, or Venmo, instead of writing traditional paper checks. This is only achievable through the utilisation of Application Programming Interfaces (APIs).
  • APIs are required for the use of fraud analytics and improved theft detection.

Mass Communication and Book Publishing

  • Many websites utilise APIS to collect materials from authors and publishers.
  • APIs facilitate the distribution of content to mobile devices, such as smartphones and tablets, from publishers.
  • To effectively distribute material, APIs are necessary. An example of a company that has created an API is The New York Times.

Merchandising and Internet Business.

  • By utilising Application Programming Interfaces (APIs), Point-of-Sale (POS) terminals are able to accept payments from a variety of sources, such as debit cards, cash, and mobile devices. This wide range of payment options allows businesses to provide their customers with greater convenience and flexibility when making purchases.
  • Customers and businesses may use APIs to monitor packages in transit.
  • APIs are used by both online and offline retailers to keep track of stock levels.
  • Programming interfaces allow for the calculation of personnel schedules and stock levels.


  • Because of the distributed nature of online testing and grading, APIs link scores and outcomes to a single repository.
  • Teachers may collaborate on lesson plans, curricula, and submit assignments with the use of APIs.
  • Student profiles, roll counts, directories, and other relevant data are managed using APIs.
  • APIs provide for the declaration and verification of classes.


  • Vital patient data, vaccination records, and test results may be accessed from any device by medical institutions thanks to APIs.
  • Hospitals may better manage available beds and post-discharge care using API-enabled technologies.
  • Check a doctor’s schedule and easily make an appointment on the internet.
  • Correct API implementation may reduce healthcare providers’ worries about noncompliance and boost billing precision.

API Healthcare Manufacturing Real-Time Examples

  • Healthcare providers may save money on overtime and plan their staffing needs more accurately if they streamline their processes.
  • Care coordination via improved communication between doctors and their patients; improved access to timely medical records.

Itineraries, Tours, and Travel

  • APIs allow travel agencies to provide instantaneous online booking for agents.
  • With this method, tour operators may charge whatever they see fit.
  • With the help of application programming interfaces, businesses may provide customers with visually engaging information on their websites.
  • Because APIs are platform independent, they may be used to record reservations on any system.



The following qualities are useful in evaluating a REST API developer:

  • Crafting for an ever-more-interconnected future
  • Learning the Value of Cross-Platform Applications
  • Acquire a working knowledge of cloud computing and a variety of programming languages.
  • Familiarity with an MVC framework, such as spring/play
  • Knowledge of the Simple Object Access Protocol (SOAP), the Hypertext Transfer Protocol (HTTP), and RESTful web services (optional)
  • A familiarity with protocol buffers, JSON, or XML
  • The Building Blocks of a Validation Scheme
  • Frameworks like Hibernate and Spring are examples of excellent persistent frameworks.
  • Expertise in programming in its entirety
  • Capacity for Clear and Concise Expression
  • A deep familiarity with the stack
  • Capacity and willingness to recycle
  • Experience with both REST and JSON is preferred.
  • Having an understanding of the API-first design approach and how it may aid in providing the most appropriate solution for an organisation’s APIs.
  • Possessing an in-depth understanding of API frameworks

Soft Skills

  • Learning the selected framework’s ins and outs will allow for better decision making and the incorporation of relevant, reusable libraries.
  • Knowing that Application Programming Interfaces (APIs) must be customised for each use cases
  • Provide a robust and adaptable method for coordinating API microservices.
  • The fundamentals of integration architecture
  • Acknowledgement of times when a preexisting API provides some of the features they’re trying to provide
  • Knowledgeable in developing REST APIs
  • Expertise in REST API design and understanding of web semantics
  • A history of delivering and programming in a production setting
  • Knowledge of data structures and algorithmic processes.
  • Professionalism in object-oriented programming and familiarity with contemporary design trends
  • Be well-versed in a variety of customer-facing systems and domains
  • Possess a well-rounded knowledge of major business concerns, drivers, and performance measures gleaned through experiences with a variety of systems
  • Participation in an Agile Software Development Life Cycle


  • Having worked for 2+ years developing REST APIs.
  • Expertise and familiarity with REST APIs gained from years of working with web semantics.
  • Over four years of expertise delivering programs in a production setting.
  • Understanding of data structures and algorithms.
  • Experience with object-oriented programming and familiarity with current design trends.
  • You should preferably be familiar with both Scala and Javascript.

Insights on Accreditation and the Benefits It Provides

By earning the Vskills REST API Development Professional Accreditation, candidates can demonstrate their advanced knowledge and skills to potential employers, thus increasing their chances of being hired and improving their earning potential in a competitive job market. This accreditation is an invaluable addition to any candidate’s résumé, as it provides evidence of their expertise in API development.

Individuals looking for employment in the application programming interface (API) or web/software development areas at numerous organisations, as well as students who want to strengthen their abilities and resumes, can reap the rewards of obtaining the API certification. This certification can be a valuable asset to those seeking to enhance their job prospects and further their education.

Selecting the Finalists

It is often stated that an organisation’s employees are its most important asset, and it is indeed true that the success or failure of any business can be attributed to the individual qualities and dispositions of its personnel. Similarly, the success or failure of an Application Programming Interface (API) can be traced back to the developer’s capability in crafting a well-executed and attractive interface. REST APIs are effective, well-crafted, and engaging for API consumers, as API providers rely upon the talent of their personnel to ensure their products are of the highest quality.

What makes for an excellent developer of REST APIs:

  • Competencies that make a great programmer
  • How to advertise for and hire talented programmers

API providers may better serve their REST APIs by making informed and intelligent choices based on this data.

Domain Expertise

At Works, our mission is to provide comprehensive IT staffing solutions to organisations across industries. We specialise in placing remote IT professionals in the right roles and provide a full range of human resources services, including selection, invoicing, compliance, and taxation assistance for international contractors and full-time workers. Our ultimate goal is to help you build the perfect remote development team to spearhead your most important technical projects and drive your business forward.


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What makes Works RESTful Web Services Developers different?
At Works, we maintain a high success rate of more than 98% by thoroughly vetting through the applicants who apply to be our RESTful Web Services Developer. To ensure that we connect you with professional RESTful Web Services Developers of the highest expertise, we only pick the top 1% of applicants to apply to be part of our talent pool. You'll get to work with top RESTful Web Services Developers to understand your business goals, technical requirements and team dynamics.