Meet Robert, the Senior Flutter engineer with over a decade of experience! With a knack for clean code and a deep understanding of Android & iOS, Robert is the go-to person for all things Flutter. Additionally, he ensures his code is thoroughly tested to guarantee a bug-free experience. If you're seeking a Senior Flutter developer who can make your app shine, Robert, with his great soft skills, is your guy.
Hire JSON API developers
Build efficient, scalable APIs rapidly. JSON API devs ensure seamless integrations—onboard quickly within days.
Sergii is a Senior Software Engineer with 21+ years of experience in software development, delivering scalable, high-performance systems and complex product features across startups and enterprises like Wix. Highly skilled in full-stack development, with deep expertise in React, Node.js, and TypeScript, combined with strong abilities in architecture design, performance optimization, and CI/CD automation. Adept at bridging frontend and backend to quickly and reliably ship robust solutions, while mentoring teams and contributing to product strategy.
Andre is a machine learning engineer with 6 solid years of experience crushing it in the commercial world. His skills are sharp, and his passion for AI and data science runs deep. He specializes in developing and implementing ML algorithms and models that pack a punch and deliver results. Andre got the chops to tackle complex projects from start to finish, from data collection and cleaning to building and testing models to deployment and beyond. Plus, he got a knack for working collaboratively with cross-functional teams to ensure seamless integration and optimal performance.
Shyam is a Strong Senior Backend and Full-Stack Engineer with deep expertise in Java, Spring Boot, AWS, and event-driven microservices. He demonstrates robust architectural reasoning, advanced knowledge of distributed systems, and hands-on experience integrating modern AI tools. Communication is clear and product-focused, with proven leadership in technical design and stakeholder alignment.
Maria is an Automation Quality Assurance engineer with experience in web and mobile applications testing. She worked in domains like eCommerce, Fintech, and Healthcare. She enjoys studying products from user and business perspectives to build a complete solution idea. Always happy to take on technical challenges and work closely with the engineering team to build an advanced quality assurance technology stack. She is a fast learner and an eager discoverer who always strives for more.
Gregory is a senior DevOps engineer with 7+ years of experience in Kubernetes, Terraform, CI/CD systems, and observability platforms. He has designed infrastructure for stateful workloads on Kubernetes and is familiar with SRE principles, deployment safety, and capacity planning. Gregory communicates confidently and demonstrates curiosity and resilience during technical discussions.
Marian is a highly experienced Software Developer interested in designing and crafting efficient modern software and learning new technologies and tools if needed. His specialties include quickly learning new skills and programming languages and problem-solving. So far, he has JavaScript, TypeScript, PHP & Laravel + Node.js, React and Next.js under his belt. He's still enthusiastically grabbing onto any other programming languages, frameworks, or principles he can integrate into the coding web in his head.
Rares can work both: as a Full-Stack Developer and a Front-End Developer. He has a good understanding of the javascript ecosystem. Rares pays a lot of attention to self-growth: he runs a couple of pet projects just for personal technical improvement. He also understands algorithm complexity and feels confident with git workflows. His 5+ years of experience include working on a Saas CRM application, a real-estate app, and an educational project.
Danyl is a senior front-end developer specializing in both web and mobile apps, with expertise in React and React Native. He manages full-cycle design tasks, handling everything from conception to completion while collaborating closely with project stakeholders. Danyl's experience includes serving as Head of Development, where he collected, defined, and translated user requirements into project designs and implementation plans. His portfolio counts projects for Toyota, Electrolux, and World Athletics.
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Developers who got their wings at
How it works
How to hire a developer through our platform
Place a free request
Fill out a short form and check out our ready-to-interview developers
Tell us about your needs
On a quick 30-min call, share your expectations and get a budget estimate
Interview the best
Get 2-3 expertly matched candidates within 24-48 hours and meet the worthiest
Onboard the chosen one
Your developer starts with a project—we deal with a contract, monthly payouts, and what not
Testimonials
Reached out on Monday evening, connected Tuesday morning, had four qualified candidates by Wednesday.
We had an excellent experience. Process is fast from the initial intake through setting up payment.
The developers helped us speed up. They quickly learned their part of the app and we’re grateful for their contribution.
What we do for you
Vet every developer
All our developers are fully vetted and tested for both soft and hard skills. No surprises!
Learn your needs
On a quick 30-min call, share your expectations and get a budget estimate
Shortlist the best matches
Get 2-3 expertly matched candidates within 24-48 hours and meet the worthiest
Handle the paperwork
Your developer starts with a project—we deal with a contract, monthly payouts, and what not
The lemon tea
Why hire JSON API developers through our platform?
Find devs with skills you can trust with Lemon.io, so you can stop looking and start making progress again.

Cost
Every one of our 1300+ senior engineers has passed through our four-step vetting process, covering everything from soft to hard skills.

White-glove Service
We provide you with a list of senior devs just 48 hours after you tell us what skills you're looking for, allowing you to hire devs faster so you can get moving again.

CV Database
Our risk-free replacement guarantee comes without caveats, restrictions, or questions asked. If you want a different dev, just tell us and we'll match you with another, free of charge.
Why hire JSON API
Over 6500 companies use JSON API as their main framework, including giants like Google, Amazon and Lyft.
High-quality web apps
JSON API's modular approach lets devs reuse components, so they can seamlessly manage app complexity.
Faster development process
JSON API's architecture and a vast library of pre-built components speed up development, so you can get to market sooner.
Enjoyable user experience
From smooth, responsive interfaces to reduced loading times, devs can use JSON API to boost usability.
Scaling made easy
JSON API's modular, component-based architecture makes it easy to scale applications as traffic grows.
Case studies
The experience with Lemon.io has been fantastic. The interview process has been good, the caliber of people – excellent and integration has been very smooth.
We needed extra developers to clean off all these bugs so the company could skyrocket.
We needed extra AI engineers to keep our ambitious project running.
Frequently asked questions
Where can I find JSON API developers?
One of the best places to start searching for a JSON API developer is through professional networking. Go to websites like LinkedIn and connect with professionals who are experienced in developing and consuming APIs. Join tech-oriented communities like Stack Overflow or Reddit’s r/webdev to discuss API development. Also, you can join meetups or conferences on industry-specific topics to network with professionals working with API technologies or search or use freelance websites. One more option to consider is Lemon.io if you want to get a smoother, faster, and more efficient process. We can get you in touch with vetted JSON API developers in 48 hours, saving you time by taking care of all the tedious tasks associated with hiring.
What is the no-risk trial period for hiring JSON API developers on Lemon.io?
Lemon.io offers a no-risk 20-hour trial period for onboarding with JSON API developers. This is a paid trial, which you can use before committing to a subscription or direct hire. This way, you can be sure the developer will get the work done and fit nicely within your current team. If the chosen candidate does not meet your expectations or is not a good fit for the team, we will find you another specialist. However, we can assure you that replacement cases are extremely rare and serve only as an option we mention to clients.
Is there a high demand for JSON API developers?
Yes, there is a high demand for JSON API developers due to the increasing application of JSON (JavaScript Object Notation) as one of the light and effective data interchange formats, mostly in web and mobile applications. JSON APIs serve as a point of sharing between frameworks from the client to the server side. They have become very important in industries such as e-commerce, finance, healthcare, and social media, where real-time data exchange and integration across systems are important. As a result, the demand for skilled JSON API developers is increasing because businesses are moving towards smoother digital interactions and service-based data.
How quickly can I hire a JSON API developer through Lemon.io?
We have a fast and efficient matching process that stands out in the business. You will see the best hand-picked JSON API candidates within two days. We will set up several calls for you and the candidates you like the most. Our trusted recruiters and technical experts have previously managed a rigorous candidate selection process, including comprehensive profile, soft skills, and technical abilities checks. We onboard 1% of all applicants, so you can be sure you’ll get the best candidates quickly and hassle-free.
What are the main strengths of Lemon.io’s platform?
Lemon.io provides a fast and affordable solution for startups and businesses seeking independent contractors. Our service saves you time, providing you with a profile of pre-vetted developers within two days. We guarantee that all our contractors have undergone rigorous selection, including a resume review and soft and hard skills check. Additionally, our 20-hour paid trial period is a risk-free way to find out if the developer is the right fit for you. If you are not happy with the collaboration, we will replace them. However, we can guarantee that replacement cases are an exception rather than a rule.
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Vetted JSON API developers are waiting for your request. Hire in-house or on contract. Zero complexity either way.
Senior engineers from $55/hr.
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