
SENIOR FLUTTER DEVELOPER
Coincrowd is an innovative Fintech company. We offer a crypto platform for seamless payments, Crypto Vouchers, crypto trading, portfolio management, real time market data, breaking news and powerful analytics.
Website: https://coincrowd.com/
Domain : Finance, Blockchain, Crypto
Role : Permanent full time Employment
Job Location : Work from Home / Remote
Responsibilities:
- Development of mobile applications using Flutter, ensuring high-quality, performance, and scalability.
- Collaborate closely with cross-functional teams including product managers, designers, and backend engineers to deliver compelling and user-friendly mobile experiences.
- Architect and implement robust, maintainable, and scalable codebase following best practices and design patterns.
- Stay updated with the latest Flutter developments, libraries, and best practices, and proactively introduce improvements to our development process.
- Work closely with QA engineers to ensure thorough testing and bug-free releases.
- Participate in architectural discussions, planning sessions, and technical design reviews.
Requirements:
- Bachelor's or Master's degree in Computer Science, Engineering, or related field.
- 5+ years of experience in mobile application development.
- 2+ years of hands-on experience with Flutter framework.
- Proficiency in Dart programming language.
- Strong understanding of object-oriented programming principles, design patterns, and data structures.
- Solid understanding of mobile app architecture, UI/UX design principles, and RESTful APIs.
- Experience with version control systems (e.g., Git) and agile software development methodologies.
- Excellent problem-solving skills and ability to troubleshoot complex technical issues.
- Excellent verbal and written communication skills.
What We Offer:
In recognition of your valuable contributions, you will receive an equity-based compensation package. Join our dynamic and innovative team in the rapidly evolving fintech industry and play a key role in shaping the future of Coincrowd's success.

About CoinCROWD
About
At CoinCROWD, we're making crypto spending as easy as ordering a pizza except, you know, without the delivery fees.
Our CROWD Wallet is designed for seamless transactions. We're a team of crypto enthusiasts, tech lovers, and meme sharers who believe in building great products while having fun.
Our offerings:
- CROWD Wallet – A cross-chain wallet for buying, selling, swapping, and transferring crypto.
- CROWD Markets – Real-time dashboards for live market trends, analytics, and token insights.
- CROWD Buzz – Curated crypto news focused on DeFi, NFTs, meme coins, and Layer 2 developments.
Tech stack
Similar jobs
Job Title- Flutter Developer (3-5 Years Experience)
Location-Mumbai, India
Job Overview
Seeking an experienced Flutter Developer with 3-5 years of software development experience, specializing in building high-performance, scalable, and visually engaging cross-platform mobile applications using Flutter and Dart. The role requires a proactive developer who can take ownership of the entire app development lifecycle from concept
to deployment, with strong collaboration skills to work with product teams and designers.
Key Responsibilities
Design, develop, test, and deploy robust mobile applications on both iOS and Android platforms using Flutter and Dart, ensuring a smooth and engaging user experience.
Architect and implement efficient state management solutions using Provider, Riverpod, BLoC, or similar frameworks for maintainable and scalable code.
Integrate RESTful APIs, third-party SDKs (such as Firebase), GraphQL, and real-time communication protocols like WebSockets to enhance app capabilities.
Perform rigorous unit testing, debugging, and code reviews to ensure high-quality, secure, and bug-free applications.
Optimize app performance for various devices and screen sizes by profiling and fine-tuning CPU and memory usage.
Collaborate closely with UI/UX designers to translate design wireframes and prototypes into functional apps following best practices for accessibility and responsiveness.
Work with backend engineers and product managers to clarify requirements, suggest technical solutions, and deliver features within sprint timelines.
Mentor junior developers, share knowledge about Flutter best practices, and contribute to setting coding standards and workflows.
Handle app store submissions, managing releases, versioning, and compliance with app store policies.
Stay current with Flutter ecosystem updates, tools, plugins, and best practices to continuously improve development quality and efficiency.
Required Qualifications
3-5 years of professional experience in mobile application development,
particularly with at least 2 years dedicated to Flutter and Dart.
Bachelor's degree in Computer Science, Information Technology, or a related engineering field.
Demonstrated experience building scalable, maintainable Flutter applications with clean architecture and adherence to SOLID principles.
Strong understanding of object-oriented programming and design patterns (MVC, MVVM, Clean Architecture).
Hands-on experience with version control tools such as Git and CI/CD pipelines. Essential Skills
Deep knowledge of Flutter framework internals, widget lifecycle, and Flutter’s rendering and animation system.
Expertise in UI development including custom widgets, animations, gestures, and responsiveness across multiple devices.
Experience working with local databases like SQLite or Hive for offline data persistence.
Solid understanding of integrating and securing APIs, asynchronous programming, and multi-threading in Flutter apps.
Familiarity with testing frameworks, including unit, widget, and integration tests for Flutter.
Knowledge of performance optimization tools and techniques specific to mobile applications.
Comfortable working within Agile and Scrum development processes, with good communication and teamwork skills.
Preferred Skills
Experience with third-party SDK integrations such as payment gateways, analytics, crash reporting, and push notifications. Understanding of mobile security practices like data encryption, secure storage, and compliance requirements.
Contributions to Flutter or Dart open-source projects or active participation in developer communities.
Experience leading teams or mentoring junior developers is an advantage.
Familiarity with hybrid mobile frameworks like React Native or native iOS/Android
development is a plus.
Responsibilities:
● As a Flutter Developer, you will create multi-platform apps for iOS and Android
using Google’s Flutter development framework.
● The primary focus will be on creating new experiences and maintaining the
acclaimed app.
● Deep experience contributing to and managing high-scale production mobile
apps. You must have previous experience in Flutter development.
Requirements:
● 4-5 years working as a full-time professional developer (Mobile) and 2 Years in
flutter(Must).
● Experience building a moderately complex Android app with knowledge of dart.
● Bonus if it’s on the Play Store or we can view the project
● Willing to work with cross-platform frameworks.
● Willing to learn and work on different mobile platforms/frameworks when
needed.
● Published at least one app on the Play Store using Flutter/ Native
(Java/Kotlin/Swift/Object c).
● Good understanding of state management, Flutter flavors, and app architecture.
● Familiarity with GraphQL, REST APIs and mobile backend integration.
● Nice to have: Experience on Native side for android and ios
What it takes to work at Arré Voice:
● You have an extreme bias for action.
● You are a tinkerer and problem solving is a part of your DNA
● You thrive in a chaotic, resource scarce environment where new challenges are
a norm
● You have a fundamental, first principles approach to problem solving
● You have the right balance of data rigor and intuit
● You are passionate about fitness and inspire your colleagues to be fit
What does the role look like?
Software Development Engineers FE will be responsible to participate in all stages of the software product development life cycle. This will include analyzing system and user requirements, designing software flowcharts, creating user interfacing applications (Web Or Mobile) , troubleshooting bugs, and running tests to improve system functionality.
An ideal candidate would be someone who has proficiency in Flutter and JavaScript frameworks, good analytical skills, the ability to anticipate issues and frame remedial actions, and excellent teamwork skills.
What will you be doing?
● Write simple, efficient, and maintainable code.
● Design, develop, scale and maintain User Application written in JS or Dart.
● Manage individual priorities, deadlines, and deliverables.
● Validating the functionality and security of the application.
● Function well in a fast-paced, rapidly changing environment
● Ensuring best coding standards and practices to improve and maintain quality.
● Meeting with the engineering and product team to discuss project definitions and goals.
What will you need ?
● Bachelor/Master degree in CS or related field from a reputed college
● Sound knowledge of JavaScript or Flutter technologies.
● Solid grip on the programming basics like DS and algorithms, OOPS.
● Understanding & experience with restful APIs and microservice architecture
● Prior experience in start-ups or health-tech will be a plus
Senior Software Engineer (Frontend) – Credit Card Platform (Team Lead)
What you'll do:
- Perform complex application programming activities with an emphasis on mobile development: Angular, Node, TypeScript, JavaScript, Apache Cordova, RESTful APIs and more
- Assist in the definition of system architecture and detailed solution design that are scalable and extensible
- Collaborate with Product Owners, Designers, and other engineers on different permutations to find the best solution possible
- Own the quality of code and do your own testing. Automate feature testing and contribute UI testing framework
- Become a subject matter expert for our mobile applications
- Deliver amazing solutions to production that knock everyone’s socks off
- Mentor junior developers on the team
What we’re looking for:
- Amazing technical instincts. You know how to evaluate and choose the right technology and approach for the job. You have stories you could share about what problem you thought you were solving at first, but through testing and iteration, came to solve a much bigger and better problem that resulted in positive outcomes all-around.
- A love for learning. Technology is continually evolving around us, and you want to keep up to date to ensure we are using the right tech at the right time.
- A love for working in ambiguity—and making sense of it. You can take in a lot of disparate information and find common themes, recommend clear paths forward and iterate along the way. You don’t form an opinion and sell it as if it’s gospel; this is all about being flexible, agile, dependable, and responsive in the face of many moving parts.
- Confidence, not ego. You have an ability to collaborate with others and see all sides of the coin to come to the best solution for everyone.
- Flexible and willing to accept change in priorities, as necessary
Basic Qualifications:
- Minimum B.S. / M.S. Computer Science or related discipline from accredited college or University
- At least 6 years of experience designing, developing, and delivering web applications with Angular, Node, Typescript, IONIC and JavaScript
- At least 2 years of experience building iOS-based applications utilizing hybrid technologies
- At least 2 years of experience with AWS and/or Openshift
- Experience integrating with native device API’s (iOS)
- Experience with front-end and/or mobile-specific testing frameworks
- Strong experience in object-oriented design and development
- Knowledge of building and consuming RESTful APIs
- Excellent sense of web design, passionate about creating and refining great mobile user experiences.
- Ability to manage multiple tasks and consistently meet established timelines
- Strong collaboration skills
- Excellent written and verbal communications skills
Preferred Qualifications:
- Proficient with Apache Cordova framework
- Built or maintained custom Cordova plugin
- Demonstrable knowledge of native coding background in iOS
- Understanding of Apple certificate and profile management
- Experience developing and deploying applications within Kubernetes based containers
- Experience in Agile and SCRUM development techniques
Overview
We at PEMS digital aim to create a smarter, greener tomorrow for you, with your expertise. All of us are guided by finding and employing efficient data handling to push the frontiers of human engagement, whether it be with infrastructure, mobility, logistics or the myriad of other industries we hope to expand into. We believe in visualizing the technology of tomorrow today, and thus, priorities the attitudes of collaboration, creation and adaptability to create an ecosystem that will foster talent.
Position Overview
We are looking for an experienced Flutter Developer with a strong foundation in Object-Oriented Programming (OOPs), Data Structures, and Algorithms. The ideal candidate should have at least 3- 5 years of hands-on experience in Flutter development and be proficient in building scalable and high-performance mobile applications for both Android and iOS platforms.
Domain - Banking/ FinTech
Roles and Responsibilities
- Flutter Development:
- Design, develop, test, and deploy cross-platform mobile applications using Flutter & Dart.
- Ensure high-quality code by following best coding practices, SOLID principles, and clean architecture.
- Optimize applications for performance, scalability, and responsiveness.
- Debug and resolve application issues, ensuring smooth user experience.
- App Deployment & Maintenance:
- Publish and maintain applications on Google Play Store & Apple App Store.
- Manage app signing, store listings, and necessary compliance guidelines.
- Monitor app performance, crashes, and bugs using analytics & error reporting tools.
- Database & Persistence Management:
- Work with SQL databases (e.g., SQLite, PostgreSQL, MySQL) to manage data efficiently.
- Implement NoSQL solutions (Firestore, Hive, Shared Preferences, etc.) for local storage.
- Optimize queries for faster performance and better user experience.
- Code Quality & Optimization:
- Write modular, reusable, and maintainable code.
- Utilize state management techniques (Provider, Riverpod, Bloc, Redux, etc.).
- Perform code reviews and suggest improvements to the development team.
- Collaboration & Agile Development:
- Work closely with designers, backend developers, and product managers to develop feature-rich applications.
- Participate in Agile/Scrum ceremonies such as daily stand-ups, sprint planning, and retrospectives.
- Maintain proper documentation of code, APIs, and design decisions.
Experience: 1+ Years
Roles & Responsibilities:
Design and develop cross-platform mobile applications using React Native, ensuring high performance, responsiveness, and code quality.
Collaborate with UI/UX designers and backend developers to implement intuitive and visually appealing user interfaces.
Contribute to the technical design and architecture of mobile applications, ensuring scalability, modularity, and maintainability.
Evaluate and select appropriate libraries, frameworks, and tools to enhance the development process and application performance.
Implement new features and functionality in mobile applications based on project requirements and specifications.
Write clean and efficient code, conduct thorough testing, and ensure proper documentation of the implemented features.
Participate in code reviews and provide constructive feedback to team members. Collaborate closely with cross-functional teams, including designers, product managers, and backend developers, to ensure smooth project execution and timely delivery.
Identify and resolve bugs, performance issues, and other technical problems in mobile applications. Conduct debugging, testing, and optimization to ensure the stability and reliability of the applications.
Optimize the performance of mobile applications by identifying and addressing bottlenecks, reducing loading times, and improving memory usage.
Conduct profiling and performance testing to enhance the overall user experience.
Write unit tests and conduct thorough testing to ensure the quality, functionality, and compatibility of mobile applications across different devices and platforms.
Collaborate with quality assurance engineers to identify and resolve any defects or issues.
Stay updated with the latest trends, best practices, and advancements in mobile app development, particularly in the React Native ecosystem.
Continuously enhance your skills and knowledge to contribute to the improvement of the team's development processes and standards.
Requirements:
Proven experience as a Software Engineer, with a minimum of 1+years, specifically in mobile app development using React Native.
Strong proficiency in JavaScript, TypeScript, and React Native framework.
Familiarity with native mobile development (iOS and Android) and related tools.
Experience with mobile app testing frameworks, such as Jest or Detox.
Understanding of RESTful APIs and integration of mobile apps with backend services.
Knowledge of mobile app performance optimization techniques and tools.
Familiarity with Agile software development methodologies and practices.
Excellent problem-solving and analytical skills.
Strong communication and collaboration skills, with the ability to work effectively in a team-oriented environment.
Preferred Qualification:
Bachelor's degree in Computer Science, Software Engineering, or a related field
We are hiring for React Native Developers for an MNC,
Experience- 4+ Yrs.
Salary- As per company standard
Notice Period- Immediate to 20 Days Max
Required Skills:
- Proven development experience on smartphone platforms.
- Hands-on experience on React Native Framework, including React JS, React Native, and JavaScript.
- Extensive programming experience with at least one programming language such as Swift, Java, JavaScript.
- Deep familiarity with iOS or Android development.
- Familiarity with RESTful APIs
- Familiarity with code versioning and CI/CD tools like Git, SVM, Jenkins.
- Must have worked on at least one app that is published in AppStores.
Thanks & REgards
Surabhi
At Finclus, we are building the single truth platform, share trust not data, the end of passwords— a single identity for everything, online and offline.
We are creating a decentralised node connection between the Identity issuers ( Aadhar, PAN, hospitals etc ), holders = Users & verifiers ( Banks, insurance, E-commerce websites etc )
No more filling the forms & No more data breaches.
Money is the currency for transaction & trust is the currency for interaction, Finclus providing this through identity issuers, Rating trust, Assessing trust & creditworthiness through a trusted relationship network.
Platforms like Facebook make billions off your posts, and we exist to cut you in. We're re-routing ad dollars back into your pocket by democratizing influencer perks for all... Get your customers to get you, customers - pay with social media posts. Inherently viral features.
FincID card - Link in a bio - One ID card for everything. Both Offline & online identities.
We provide Identity as a Service to our users and our partners, decreasing verification costs by 10-100x and providing unparalleled privacy and security of personal information.
FincID stores all personal information locally on the users’ device and eliminates the need for centralized honey pots. No more data breaches. No more mass identity theft.
modular approach and clean code
Write efficient Dart code
Write / Integrate REST APIs.
Brainstorm the ideas about new features with UI/UX team and product owners.
Closely work with UI/UX professionals to bring out cutting edge mobile experience.
Maintain source code using Git.
Focus on understanding customers' requirements and translating those needs from product specifications into functional, production-ready code.
Be highly autonomous, especially be able to transform fuzzy, complex, and various requirements into clear specifications, plan for their implementation, and delivery
*Skills*
Deep knowledge and Experience in Flutter and Dart (At Least 2 years). Doesn't matter if he is super talented. Qualifications don't matter.
GitHub, play store Portfolio with released applications or hackathon experience
Samples of source code on Flutter
Experience in creating animations in Flutter.
Knowledge of advanced Flutter Concepts like factory constructor, spread operators
Knowing the first principles, minimalistic design, Psychology aspects, virality & Gamification features
Love to work at the intersection of Blockchain, decentralised storage, self sovereign identity, cryptography,Deep learning and GPT -3. If you have a good idea about this is topic is a big plus.
You might also have…
blockchain interest. Whether you've built a dApp, read a few whitepapers, or just checked out a blog post, we want to help you learn.
a cybersecurity background (bonus points if you worked in the government).
great interpersonal skills. You speak eloquently. You write clearly. You listen thoughtfully.
self-motivation. You volunteer for new challenges.
You are excited to learn new things. You work long and hard. startup battle scars.
Imagining the impossible things & solving things by applying first principles
You love working in a fast-paced, unpredictable, and fluid environment. You enjoy solving new problems on they fly.
Is this you?
We can't wait to hear from you.
Job doesn’t seem like a good fit? Perhaps you have a friend that would be perfect for this role. Please send them the link. Thanks!
Best salary/stipend, Irreplaceable team & problem to solve.
- Write, test, debug and ship code and gather feedback on the scale, performance, security to incorporate back into the platform.
- Work with the founders to identify complex technical problems and solve them.
- Work with the product design and client experience development team to support
them with scalable services
- Feed into the overall mission and vision of the eParchi’s platform over the period of the coming months and years.
- An ability to perform well in a fast-paced environment
- Excellent analytical and multitasking skills.







