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.
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Simplify Flutter state management quickly. Expert BLoC developers ensure smooth app interactions—hire now and onboard fast, within days.
Vasileios is a Senior AI Engineer and AI Agent Architect with extensive experience building and scaling production AI systems using Python and AWS. He has led the architecture and delivery of solutions across banking, pharmaceutical, and real estate domains, managing teams of up to 10 engineers. His expertise includes RAG systems, hybrid search, multi-agent orchestration, and explainable machine learning. Vasileios combines strong technical ownership with a structured approach to delivery, emphasizing clear requirements, measurable outcomes, and operational excellence. He works effectively with both technical and business stakeholders, aligning engineering decisions with product goals and business constraints.
Dmytro is a skilled Flutter Developer with 4 years of commercial experience in mobile app development. He has strong expertise in building applications from scratch as well as enhancing and maintaining existing projects. Dmytro is proficient in Flutter with BLoC architecture, Kotlin for native Android development, and integration of Firebase services such as Cloud Messaging. He demonstrates a solid understanding of cross-platform development and app optimization, including advanced techniques like background processing using Flutter isolates. Dmytro is a reliable developer who combines technical depth with practical experience to deliver efficient and scalable mobile solutions.
Maciej is a thoughtful and pragmatic Backend Python Engineer with 8 years of experience building robust, scalable applications and APIs using Python, Django, and FastAPI. Over the past two years, he has been actively expanding his expertise into AI and LLM-powered applications, making him a valuable bridge between solid backend architecture and cutting-edge AI solutions. In the AI space, he’s built multi-agent systems and tool-augmented LLMs with a strong focus on security and reliability. Maciej is articulate, quick to learn, and solves problems pragmatically. He’s a proactive, collaborative engineer who strengthens any team with clean, efficient solutions that connect backend systems with modern AI.
Tiago is a confident Senior Mobile Developer with a strong portfolio of self-built apps. He demonstrates expertise in uploading and releasing apps to major platforms. Armed with a Master's Degree in Electrical and Computer Engineering, Tiago's commercial experience extends to building Flutter, Android, and iOS apps, alongside proficiency in popular state management libraries and unit testing. His ability to decipher code swiftly and propose enhancements underscores his keen eye for optimization, while his artistic background and passion for game development showcase his multidimensional talents.
Lucas is a senior Flutter engineer and tech leader with over a decade of experience building high-quality mobile apps and embedded systems. His career includes key contributions at Spotify’s Soundtrap and leadership/founding roles in startups across music tech, fintech, energy, and healthcare. Known for his strong design sense, clean architecture mindset, and commitment to UX, Lucas consistently raises the bar for quality and performance. His collaborative, growth-oriented approach and ability to challenge assumptions make him an invaluable contributor to any engineering team.
Danilo is a senior full-stack engineer with over 8 years of commercial experience, specializing in React, Node.js, AWS, and PostgreSQL. He has led teams and delivered complex solutions in logistics, healthcare, and e-commerce, with hands-on expertise in microservices, REST/gRPC APIs, and AI integrations. Feedback highlights his strong technical skills, reliability, and excellent team fit. Communication is fluent and collaborative, with proven experience in both technical leadership and individual contribution.
Ivan is a seasoned Senior Flutter Developer with over 4 years of commercial experience in building high-performance cross-platform mobile applications. He specializes in Flutter and Dart, with a strong focus on clean architecture, scalability, and delivering smooth, user-centric experiences. Ivan has contributed to a wide range of products — from mental-health apps and AI-integrated platforms to coaching, volunteer, and subscription-based applications. He is highly skilled with modern tools, including Bloc/Cubit, Firebase, Firestore, Dio, Retrofit, GetX, CustomPainter, and various in-app purchase and notification SDKs. Known for his technical depth, reliability, and strong communication skills, Ivan thrives both independently and in collaborative teams. Always staying current with modern Flutter practices, he consistently delivers maintainable, efficient, and production-ready code.
Meet Rodrigo — a Senior Mobile Developer whose solid expertise in the business combined with great soft skills make him an irreplaceable candidate for any team. Like any dev who truly loves his job, Rodrigo develops his own small pet project. He also has a great understanding of Clean Architecture principles. His previous projects include fintech (banking) apps, a solar industry project, and even Driver Drunk Test.
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Developers who got their wings at
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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 BLoC 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 BLoC
Over 6500 companies use BLoC as their main framework, including giants like Google, Amazon and Lyft.
High-quality web apps
BLoC's modular approach lets devs reuse components, so they can seamlessly manage app complexity.
Faster development process
BLoC'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 BLoC to boost usability.
Scaling made easy
BLoC'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 BLoC developers?
To find BLoC developers, you should use professional networks like LinkedIn, where you can connect with experienced developers dealing with BLoC architecture. You should also make use of industry-specific forums and communities focusing on Flutter and Dart. Next in line, there are freelance platforms if you consider short-term or project-based employment. If you want a much faster and more personalized approach, consider Lemon.io. We will match you with pre-vetted BLoC developers in just under 48 hours. Thus, you can avoid wasting your time on tedious tasks associated with hiring.
What is the no-risk trial period for hiring BLoC developers on Lemon.io?
Lemon.io offers a no-risk, paid 20-hour trial with a BLoC developer to ensure that they possess the technical skills your project requires. In case you are impressed with their performance, you can subscribe or hire them directly.
Otherwise, if you are not satisfied, we will do our best to find another BLoC specialist. Replacements are very rare and provided as a last resort.
Is there a high demand for BLoC developers?
Yes, there is a growing demand for BLoC developers as Flutter is increasingly adopted for cross-platform mobile application development. Being a state management pattern in Flutter, BLoC, or Business Logic Component makes scalable and maintainable applications due to its separation from the business logic in the UI code. That fulfills the need for high-speed, responsive application architectures in general, but more so within mobile application development. The BLoC is a very useful acquaintance for tech start-ups and vertically integrated companies looking to bring high-performance applications to market faster on both iOS and Android.
How quickly can I hire a BLoC developer through Lemon.io?
You can count on the process being quick and efficient. In just 48 hours, we will find you the perfect BLoC developer. We will schedule several calls for you and the candidates you like the most. Our experienced recruiters and technical specialists have pre-interviewed each and vetted them rigorously to ensure we only onboard highly proficient and reliable individuals. The process includes comprehensive checks of their profile, soft skills, and technical abilities.
What are the main strengths of Lemon.io’s platform?
Lemon.io is one of the fastest and most effective solutions on the market. We find the best candidates in 48 hours. We only accept 1% out of all applicants through our rigorous vetting process, which includes comprehensive profiling, assessment of soft skills, and thorough testing of hard skills. Furthermore, we offer a no-risk 20-hour paid trial, allowing you to experience our services first-hand. If you are satisfied, you can subscribe or hire the developer directly. If any issues arise, we will find you another specialist. However, at Lemon.io, we have a surprisingly low rate of replacements.
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