CHISIMDI DAMIAN EZEANIETO
API Developer
PREVIOUSLY AT

Flexiple spent good amount of time understanding our requirements, resulting in accurate recommendations and quick ramp up by quality developers.
Overall Flexiple brought in high-level of transparency with quick turnarounds in the hiring process at a significantly lower cost than any alternate options.
Flexiple has been instrumental in helping us grow at a fast pace. Their vetting process for engineers is top notch and they connected us with quality talent quickly.
Flexiple Developers are reviewed on their experience and complexity of products built. Those who display depth and have worked on end-to-end projects are given an introductory call.
Over a call, the developer’s ability to communicate in an articulate manner is tested. A deeper understanding of the candidate’s technical experience and also motivation to freelance is achieved.
Over one or more F2F interviews, the developer’s involvement and performance in building complex software products are assessed. This sets the platform to delve deeper into technology-specific discussions.
Developers' mental agility and problem-solving abilities are tested through a coding test involving algorithmic as well as skill-specific problems. A mixture of live evaluation and timed coding tests is used.
The live experience of working with developers is verified by reaching out to past clients and/or employers. Inputs on various qualitative factors such as reliability, punctuality, communication and responsiveness are received.
Performance during each engagement is continually assessed. Our developers are expected to maintain Flexiple standards across all engagements with our customers.
Application Programming Interfaces (APIs) are a set of tools made available in programming languages that allow applications to interact with software systems with ease. It enables developers to create complex functionalities with a more seamless process of data retrieval between systems.
API integration is now a vital part of all modern businesses. They help facilitate connectivity within their organization and with their partnerships; allowing for a smoother streamline of vital activities in their business ecosystem.
If you’re looking to hire a freelance API developer for your company, this guide is going to help you find the perfect fit. We’ve included everything you need to know about hiring a freelance API developer.
We have broken the sections into the following parts:
1. Let's introduce API to you.
2. Why is API widespread?
3. What are the tools used by API developers?
4. Writing the Job Description to hire freelance API developers
5. Interview Questions for hiring an API Developer
- Basic Questions
- Advanced Questions
- Data Structures/Algo Questions
The following are some of the tools used by API developers at various stages of development:
1. API Testing Tools
2. API Documentation Tools
Below are some key points that we at Flexiple have learned through trial and error - a process of filtering through over 15,000 developers.
Now that you have made a quality JD, it can still be tricky to evaluate the skills of your applicants. To help you with that, we have created a pool of questions that a good software developer should be comfortable with.
It is important to note that the ability to answer these questions doesn't imply that you have a top quality candidate. But it definitely is a big step in that direction.
To help you navigate through these questions, we’ve categorized the interview questions in 3 parts:
A. Basic concepts: Includes all basic concepts used across languages. This section will give you an understanding of how strong their programming foundation is.
B. Advanced concepts: Includes all concepts that someone with higher expertise should know.
C. DS/Algorithm questions: To test the logical capability of the candidate.
As discussed, it isn't easy to find a quality freelance software developer but this guide makes the process easier for you. To offload the entire hiring process, reach out to us at Flexiple. We've designed a high-quality, 6-step screening process to find the top 1%, freelance developers. You can find the best freelance API developers here. We've already served over a hundred clients, earning great reviews for the quality of service.
Lastly, to quickly summarize the process of hiring an API developer for you:
1. Note your project requirements and hire accordingly. Do not go for the lowest or the highest-paid developer.
2. Don’t hire without vetting- consider asking questions right from the basics to advanced to logical questions.
3. Look for companies like Flexiple that help you find the perfect fit.
That is everything you need to know about hiring a freelance API developer. Happy hiring! :)