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Hire Dream REST API Developers In 72 Hours

Get access to dream REST API Developers, engineers and architects from Flexiple, handpicked through a 5-hour evaluation process.

Clients rate Flexiple REST API developers 4.8 / 5 on average based on 10,397 reviews.

  1. Hire REST API Developers

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Worked at:

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Get access to 103 vetted profiles

100+ fast-growing companies love Flexiple!

Team work makes dreamwork. Flexiple helps companies build the best possible team by scouting and identifying the best fit.

“I’ve been pleased with Purab’s performance and work ethics. He is proactive in flagging any issues and communicates well. The time zone difference is huge but he provides a sufficient overlap. He and I work together very well and I appreciate his expertise.”

Paul Cikatricis

UX and Conversion Optimization Lead

“Flexiple has exceeded our expectations with their focus on customer satisfaction! The freelancers are brilliant at what they do and have made an immense impact. Highly recommended :)”

Henning Grimm avatar

Henning Grimm

Founder, Aquaplot

“Overall Flexiple brought in high-level of transparency with extremely quick turnarounds in the hiring process at a significantly lower cost than any alternate options we had considered.”

Kislay Shashwat avatar

Kislay Shashwat

VP Finance, CREO

“Todd and I are impressed with the candidates you've gathered. Thank you for your work so far. Thanks for sticking within our budget and helping us to find strong talent. Have loved Flexiple so far — highly entrepreneurial and autonomous talent.”

William Ross avatar

William Ross

Co-Founder, Reckit

“The cooperation with Christos was excellent. I can only give positive feedback about him. Besides his general coding, the way of writing tests and preparing documentation has enriched our team very much. It is a great added value in every team.”

Moritz Gruber avatar

Moritz Gruber

CTO, Caisy.io

“Flexiple spent a good amount of time understanding our requirements, resulting in accurate recommendations and quick ramp up by developers. We also found them to be much more affordable than other alternatives for the same level of quality.”

Narayan Vyas avatar

Narayan Vyas

Director PM, Plivo Inc

“It's been great working with Flexiple for hiring talented, hardworking folks. We needed a suitable back-end developer and got to know Ankur through Flexiple. We are very happy with his commitment and skills and will be working with Flexiple going forward as well.”

Neil Shah avatar

Neil Shah

Chief of Staff, Prodigal Tech

“Flexiple has been instrumental in helping us grow fast. Their vetting process is top notch and they were able to connect us with quality talent quickly. The team put great emphasis on matching us with folks who were a great fit not only technically but also culturally.”

Tanu V avatar

Tanu V

Founder, Power Router

“Flexiple has exceeded our expectations with their focus on customer satisfaction! The freelancers are brilliant at what they do and have made an immense impact. Highly recommended :)”

Henning Grimm avatar

Henning Grimm

Founder, Aquaplot

“Overall Flexiple brought in high-level of transparency with extremely quick turnarounds in the hiring process at a significantly lower cost than any alternate options we had considered.”

Kislay Shashwat avatar

Kislay Shashwat

VP Finance, CREO

“Todd and I are impressed with the candidates you've gathered. Thank you for your work so far. Thanks for sticking within our budget and helping us to find strong talent. Have loved Flexiple so far — highly entrepreneurial and autonomous talent.”

William Ross avatar

William Ross

Co-Founder, Reckit

“The cooperation with Christos was excellent. I can only give positive feedback about him. Besides his general coding, the way of writing tests and preparing documentation has enriched our team very much. It is a great added value in every team.”

Moritz Gruber avatar

Moritz Gruber

CTO, Caisy.io

“Flexiple spent a good amount of time understanding our requirements, resulting in accurate recommendations and quick ramp up by developers. We also found them to be much more affordable than other alternatives for the same level of quality.”

Narayan Vyas avatar

Narayan Vyas

Director PM, Plivo Inc

“It's been great working with Flexiple for hiring talented, hardworking folks. We needed a suitable back-end developer and got to know Ankur through Flexiple. We are very happy with his commitment and skills and will be working with Flexiple going forward as well.”

Neil Shah avatar

Neil Shah

Chief of Staff, Prodigal Tech

“Flexiple has been instrumental in helping us grow fast. Their vetting process is top notch and they were able to connect us with quality talent quickly. The team put great emphasis on matching us with folks who were a great fit not only technically but also culturally.”

Tanu V avatar

Tanu V

Founder, Power Router

Clients

Plivo logoCertify OS logoApna Klub logoCockroach Labs logoStarbourne Labs logo

Frequently Asked Questions

View all FAQs

What is Flexiple's process?

Our process is fairly straightforward. We understand your requirements in detail and recommend freelancers per your specific needs. You can interview the freelancers we recommend though they are already vetted by us rigorously. Once you like someone and decide to work with them, we draw up a tripartite agreement. You work directly with the freelancer, just the invoicing is done by Flexiple.

Is there a project manager assigned to manage the resources?

Our core strength is with freelance developers and designers. Though we do have senior engineers who can work as tech leads, project managers are not part of our offering.

What is Flexiple's model?

We typically work on an hourly model of upwards of US$30 per hour. For full-time longer term engagements, we can also work on a monthly model of upwards of US$5000 per month.The rates vary depending on the skill sets, experience level and location of the freelancer.

What are the payment terms?

- In the hourly model, the invoice is raised weekly/ fortnightly and is payable within 3 days of receipt of invoice.
- In the monthly model, the invoice is raised monthly and is payable within 7 days of receipt of invoice.

Are there any extras charges?

The hourly/ monthly rate shared is all-inclusive. No additional charges other than taxes are applicable.

How does Flexiple match you with the right freelancer?

Based on your requirements, we look for suitable freelancers based on:
- Tech fit: Proficiency in the tech stack you need, Recent work on stack, Work in a similar role
- Culture fit: Worked in similar team structure, Understanding of your company's industry, product stage.

How to Hire the Best REST API Developers

Hiring skilled REST API developers is essential for businesses that need to build robust, scalable, and efficient systems for exchanging data across platforms. REST APIs enable communication between applications and facilitate integration with third-party services, web applications, and mobile apps. By hiring experienced REST API developers, companies can ensure their APIs are secure, efficient, and built to scale.

Why REST API Development is Important for Modern Applications

REST API development is crucial for businesses that want to create efficient and interoperable applications. REST APIs are commonly used in web and mobile applications, IoT devices, and enterprise systems to enable seamless data sharing. Hiring REST API developers allows companies to:

  • Ensure Consistent Data Exchange: APIs provide a standardized way for different systems to communicate, ensuring data consistency across platforms.
  • Enable Third-Party Integrations: REST APIs facilitate integrations with other applications, enhancing functionality and improving user experience.
  • Support Scalable Architecture: REST APIs are designed to be stateless and scalable, making them ideal for handling high traffic and growing applications.
  • Create Platform-Agnostic Solutions: REST APIs are accessible by any client that can make HTTP requests, supporting cross-platform interoperability.

Key Skills to Look for When Hiring REST API Developers

When hiring REST API developers, it’s essential to evaluate both technical skills and experience with best practices for API development. Key skills include:

  • Proficiency in HTTP and REST Principles: A deep understanding of REST architecture and HTTP methods (GET, POST, PUT, DELETE) is essential for building compliant APIs.
  • Experience with Backend Languages: Knowledge of server-side languages like Node.js, Python, Java, PHP, or Ruby for building RESTful APIs.
  • Understanding of API Security: Skills in implementing security measures like authentication (OAuth, JWT), authorization, and rate limiting to protect APIs.
  • Data Serialization and Parsing: Proficiency with data formats like JSON and XML, which are commonly used for data exchange in RESTful APIs.
  • Knowledge of Database Management: Experience with relational and non-relational databases, such as MySQL, PostgreSQL, MongoDB, or Redis, for efficient data storage and retrieval.
  • Familiarity with API Documentation Tools: Experience with tools like Swagger (OpenAPI), Postman, or API Blueprint for documenting and testing APIs.
  • Error Handling and Validation: Ability to implement error handling and data validation to ensure that the API functions reliably and securely.
  • Performance Optimization: Skills in optimizing API performance through techniques like caching, pagination, and efficient query handling.

Understanding the Process of Hiring REST API Developers

Hiring REST API developers involves a structured approach, from defining your API requirements to evaluating candidates. Here’s a breakdown of the key steps:

1. Define Project Requirements and Scope

Outline your project requirements, including API endpoints, expected data structures, and any specific functionalities. Clearly define your needs for security, performance, and scalability. This documentation will guide you and the developer through the API’s scope and purpose.

2. Choose the Right Hiring Model

Choose a hiring model that best suits your project needs:

  • Full-Time: Ideal for businesses with ongoing development needs, where the developer will manage and expand APIs over time.
  • Contract-Based: Suitable for one-time API projects, such as developing a specific feature or integrating with a third-party service.
  • Staff Augmentation: Allows you to add REST API developers to your team temporarily to meet high-demand periods or handle specific technical challenges.

3. Select a Reliable Hiring Platform or Partner

Choose a reputable hiring platform or partner to find REST API developers. Options include:

  • Freelance Marketplaces: Sites like Upwork and Freelancer, where you can hire developers for specific projects.
  • Dedicated Staffing Agencies: Agencies that specialize in tech placements and can assist with screening and onboarding.
  • Talent Networks: Networks like Flexiple, which provide pre-vetted developers skilled in API development.

4. Vet Candidates Thoroughly

Carefully vet REST API developer candidates to ensure they meet your technical and project requirements. Key steps include:

  • Technical Screening: Conduct coding tests or assessments to evaluate their API development skills, knowledge of RESTful principles, and data management abilities.
  • Portfolio Review: Examine past API projects or GitHub repositories to evaluate code quality, design choices, and documentation.
  • Conduct Interviews: Use interviews to assess their understanding of REST API best practices, experience with security, and communication skills.
  • Check References: Verify past work experience to confirm reliability, performance, and work quality.

5. Start with a Trial Project

Consider starting with a small, paid trial project to evaluate the developer’s skills in a real-world scenario. This helps assess their technical expertise, problem-solving approach, and ability to work within your project scope.

6. Establish Communication and Collaboration Channels

Effective communication is crucial for successful API development. Set up structured communication channels and regular check-ins. Popular tools for communication and project management include:

  • Communication: Slack, Microsoft Teams, or Zoom
  • Project Management: Jira, Trello, or Asana
  • Version Control: GitHub or Bitbucket

7. Set Clear Expectations and Define Milestones

Clearly define API development milestones, deadlines, and deliverables from the start. Ensure that expectations are documented in a project agreement or contract, covering:

  • Scope of Work: Specific tasks, including endpoint creation, testing, and documentation.
  • Deadlines: Key project milestones and timelines for deliverables.
  • Payment Terms: Payment structure based on milestones, hourly rates, or fixed project costs.
  • Intellectual Property (IP) Rights: Define IP ownership, confidentiality, and data protection clauses.

8. Monitor Progress and Provide Regular Feedback

Regularly review progress on the API and provide constructive feedback. Testing APIs as they’re developed allows you to identify issues early, improving overall quality and reliability.

Essential Qualities to Look for in a REST API Developer

  • Reliability: Choose developers who consistently meet deadlines and deliver high-quality work.
  • Problem-Solving Skills: A strong problem-solving ability is essential for debugging, optimizing, and refining APIs.
  • Attention to Detail: Detail-oriented developers are more likely to follow best practices and create secure, reliable APIs.
  • Adaptability: Choose developers who can quickly learn and adapt to new tools, frameworks, or project requirements.
  • Commitment to Quality: Look for developers who prioritize code efficiency, security, and documentation.

Key Questions to Ask When Hiring REST API Developers

Here are some questions to help evaluate REST API developers:

  • What experience do you have with developing REST APIs? Helps gauge their familiarity with REST API design principles and previous projects.
  • How do you secure REST APIs against common threats? Evaluates their understanding of API security and their approach to protecting sensitive data.
  • What is your approach to handling API errors and providing error messages? Assesses their knowledge of best practices for error handling and user-friendly error reporting.
  • Describe a project where you optimized API performance. Allows you to understand their experience with performance optimization techniques like caching and pagination.
  • What tools do you use for API documentation and testing? Verifies their familiarity with essential tools like Swagger, Postman, and other documentation/testing solutions.

Best Practices for Onboarding REST API Developers

To ensure a smooth onboarding process for REST API developers, follow these best practices:

  • Provide Documentation: Share project requirements, API design standards, and technical specifications to help them understand your API goals.
  • Introduce Key Team Members: Facilitate introductions to establish rapport and clarify roles within the team.
  • Set Up Access to Tools and Resources: Provide access to necessary tools, repositories, and project management platforms.
  • Define Feedback Loops: Establish regular check-ins and feedback channels to maintain open communication.

Why Choose Flexiple for Your REST API Development Needs?

Flexiple is an excellent choice for businesses looking to hire top REST API developers. Here’s why Flexiple stands out:

  • Rigorous Vetting: Flexiple rigorously screens developers to ensure they have strong API development skills, reliability, and relevant experience.
  • Diverse Talent Pool: Flexiple provides access to developers with expertise across various industries and project types.
  • Flexible Hiring Options: Flexiple offers flexible hiring solutions, whether you need developers for a specific project or ongoing support.
  • Commitment to Quality: Flexiple guarantees high-quality developers who are capable of meeting project requirements and delivering exceptional results.

Hiring the Best REST API Developers: Parting Thoughts

Hiring the best REST API developers requires a clear strategy, from defining your project requirements to thoroughly vetting candidates and establishing effective communication. By focusing on essential skills, setting expectations, and providing structured onboarding, you can build a productive and collaborative relationship with your API development team. Skilled REST API developers bring expertise in backend programming, security, and documentation, enabling you to create reliable, efficient, and scalable APIs. Platforms like Flexiple simplify the process of finding reliable, top-tier REST API developers, ensuring you have the talent needed to support your application’s integration and data exchange needs.

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