
Flutter Developer – Fintech & Trading
Location: Bengaluru, India, Exp: 1.5+ Yrs
About Us:
At Tradelab Technologies Pvt Ltd, we don’t just build web applications, we create high performance trading platforms tailored for brokers and financial institutions. Our platforms powerreal-time market analysis, ultra-low-latency trade execution, and seamless broker-client interactions. We work in a high-stakes, outcome-driven environment where brokers demand reliability, speed, and security. If you're an expert React developer who thrives on solving complex front-end engineering challenges in the brokerage and trading domain, this is the role for you.
Min 2 years of mobile development experience, with 1+ years in Flutter & Dart.
Proven ability to build and scale real-time, high-performance fintech applications.
A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
Hands-on experience with real-time data streaming, push notifications, and WebSockets.
Strong expertise in security, encryption, and compliance—you know fintech demands precision.
A track record of integrating RESTful APIs, GraphQL, and third-party services into flawless mobile apps.
A mindset that thrives under pressure—we work fast, and we expect results.
Lead the development of world-class fintech mobile applications that redefine user expectations.
Architect and optimize blazing-fast, low-latency Flutter applications for financial markets.
Work with designers, backend engineers, and product teams to craft seamless, intuitive, and ultra
secure user experiences.
Solve hard problems at scale—whether it’s optimizing performance, reducing load times, or ensuring
absolute security.
Push the boundaries of mobile fintech innovation, from AI-powered insights to predictive analytics.
Own your work end-to-end—no excuses, no hand-holding, just results.
Must-Have Skills:
Min 2 years of mobile development experience, with 1+ years in Flutter & Dart.
Proven ability to build and scale real-time, high-performance fintech applications.
A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
Hands-on experience with real-time data streaming, push notifications, and WebSockets.
Nice-to-Have Skills:
Experience in high-frequency trading, stock markets, or financial data visualization.
Contributionsto open-source Flutter projects or a portfolio of high-impact applications.
Knowledge of AI-driven UX, machine learning integrations, or automation in mobile apps.
A background in mentoring developers, leading mobile teams, or setting architectural standards.
Why Join Us?
Work with some of the sharpest minds in fintech and mobile engineering.
Build products that traders, investors, and financial professionals rely on daily.
A culture that values bold innovation, fast execution, and pushing boundaries.
Expect challenges, high expectations, and relentless pursuit of excellence.
Take complete ownership—from ideation to deployment, every pixel and every line of code should
scream excellence.
Competitive compensation, performance-driven growth, and a real opportunity to lead and shape the
future of fintech mobile applications.
If you’re obsessed with performance, thrive under pressure, and are driven by results, we want you on our team. This is your chance to solve some of the toughest engineering challenges in fintech. Step up. Apply now.

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Position: Android Developer (1- 4 years)
Location: Marol, Andheri East, Mumbai
Company: Big Rattle Technologies Private Limited
Immediate Joiners only.
Summary
We are seeking an experienced and dedicated Android Developer to join our mobile team. You will be responsible for designing, developing, and maintaining high-performance, user-centric Android applications. You will be instrumental in driving the technical implementation of our mobile strategy, ensuring high code quality, and leveraging the latest Android development best practices. You must have delivered at least 3-4 projects.
Required Skills (more the better):
- Kotlin Mastery: Strong proficiency in the Kotlin programming language, including experience with functional programming concepts, null safety, and extension functions.
- Android SDK & IDE: Deep expertise with the Android SDK and Android Studio.
- Architecture Components: Proven experience with key Android Jetpack libraries: Lifecycle, ViewModel, LiveData/StateFlow, Navigation, and Room persistence library.
- Asynchronous Programming: Extensive practical experience with Kotlin Coroutines for efficient background processing.
- Version Control: Expert knowledge of Git for source control management.
- Testing: Experience with automated testing methodologies, including unit testing and UI testing.
- Experience on Android Architecture Components – MVVM Architecture
- Experience with integratingRESTful API
- Strong understanding of object-oriented programming
- Knowledge of Push Notifications & cloud-based messaging
- Understanding of security principles including secrets, encryption, etc
- Bonus Skills (Preferred): Experience with Jetpack Compose, Dependency Injection frameworks (e.g., Hilt/Dagger), and cloud service integration (e.g., Firebase), Local DB e.g., Room, Realm, etc
Responsibilities will include:
- Design & Development: Lead the design and development of advanced, feature-rich applications
- Quality & Performance: Write robust, well-tested code, conduct rigorous unit and integration testing (using JUnit and Espresso/Compose Testing), and continuously optimize app performance, stability, and responsiveness.
- Collaboration: Participate actively in code reviews, technical design discussions, and work closely with Product Managers, UX/UI Designers, and QA teams in an Agile environment.
- Ensure the application is secure and free of vulnerabilities
- Evaluate third party IDEs and tools to build relevant applications.
- Conduct code reviews & peer reviews.
- Establish coding standards.
- Integrate user interface with code.
- Prepare necessary documentation.
- Review updates/patches and make necessary code updates.
- Develop apps for different versions of Android and ensure compatibility with different screen sizes
- Maintenance & Deployment: Manage application releases, debugging, and deployment to the Google Play Store, and maintain the build system using Gradle.
Required Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.
Why should you join Big Rattle?
Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.
Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.
What We Offer:
- Opportunity to work on diverse projects for Fortune 500 clients.
- Competitive salary and performance-based growth.
- Dynamic, collaborative, and growth-oriented work environment.
- Direct impact on product quality and client satisfaction.
- 5-day hybrid work week.
- Certification reimbursement.
- Healthcare coverage.
How to Apply:
Interested candidates are invited to submit their resume detailing their experience. Please detail out your work experience and the kind of projects you have worked on. Ensure you highlight your contributions and accomplishments to the projects.
- Investigating user experience design requirements for our suite of digital assets.
- Developing and conceptualizing a comprehensive UI/UX design strategy for the brand.
- Producing high-quality UX design solutions through wireframes, visual and graphic designs, flow diagrams, storyboards, site maps, and prototypes.
- Designing UI elements and tools such as navigation menus, search boxes, tabs, and widgets for our digital assets.
- Testing UI elements such as CTAs, banners, page layouts, page designs, page flows, and target links for landing pages.
- Collaborating with the marketing team, and internal and external designers to ensure the creation and delivery of tailored experiences for the digital user.
- Providing advice and guidance on the implementation of UX research methodologies and testing activities in order to analyze and predict user behavior.
- Adhering to style standards on typography and graphic design.
UI UX Designer Requirements:
- A bachelor's degree and a minimum of 2 years UI/UX design experience for digital products or services.
- A portfolio of professional UI/UX design work for both web and mobile platforms.
- Working knowledge of the following technologies and software: Sketch, InVision, Visio, HTML, CSS (SCSS), iOS, Android, Design Systems, and Adobe Creative Suite.
- A team player but can work independently too.
- Excellent written and verbal communication skills.
- Multi-tasking and time-management skills, with the ability to prioritize tasks
Looking for a dynamic go-getter attitude UI developer with at least 3+ years of product development experience in building great UI with neat code.
RESPONSIBILITIES
Product design and development
Work on different areas of the platform
Build, optimise and enhance the UI performance
- 3+ years of experience in product development
- Experience with Angular 2+, Ionic 3+ is must
- Working with RESTful web services within web applications
- Should be comfortable working with git
- Should enjoy hacking things together to create a proof of concept, but always good at quality production code
- Capable of executing tasks with minimal guidance
Experience- 3 - 6
Location- Bengaluru.
Requirements:
• 3-6years of relevant experience in building webapps at scale
• You must have strong understanding of semantic HTML / HTML5, CSS / CSS3.
• You must have a good understanding of MVC architecture.
• Prior work experience in ReactJS is Must
• You must have experience in setting up the full UI workflow layer right from Development, Testing, Building and Deployment
Job Description:
Design skills
Strong working knowledge on various design patterns such as MVC, MVVM, DDD and any custom/hybrid framework as designed by the Architects.
Strong uderstanding in building Single Page Application
Process skills
Built application leveraging Agile DevOps principles and Azure DevOps toolset as part of SCRUM team
Technical skills
- Strong coding and work experience in Front End coding using Angular 8, BackBone, Bootstrap.
- Should have experience on 3rd party tools like PDF.Js (Generate PDF), SheetJS (Export Excel sheet), HighCharts or CharJS (Generate Charts and Graph).
- Should have good understanding of web servers such as IIS and Front-end runtimes using Node.js/NPM.
- Strong debugging skills using browser based Front end application written in Angular 8
- Strong knowledge and understanding of data sharing medium using JSON, XML.
- Should have used IDE such as Visual Studio and Visual Studio Code for Front-end development.
- Create Unit test cases using Jasmine and have all critical flows covered.
- Understanding of MS Build and MS Test as part of Azure DevOps pipelines
- Ability to triage defects in QA, UAT and Production and provide fix with quick turn around time.
Mandatory skills
- 5+ years of building SPA web solutions using Angular 8 , BackBone, Bootstrap
- 5+ years building HTML5 complaint pages
- 3+ years of experience using TypeScript
- 3+ years of writing automated testing using Jamine or others
- 3+ years of using TFS for Build and automated testing
- 1+ years of experience using Security Assessment Tool like Fortify 360 or IBM APP Scan
- 1+ years of experience using code quality assessment tool like SonarQube
- 1+ years of experience using API Management tool like Swagger
- 1+ years of experience on APM tools like DynaTrace
- 1+ years leveraging Azure DevOps
- Understanding of cloud based deployment using containers is plus
- Understanding of JS frameworks like Vue or React is plus
About the Role
Dremio’s user experience is one of its key differentiators and makes all your data easily accessible and shareable by your data consumers. UI Engineers at Dremio are responsible for the development of the user interface and user experience on Dremio’s Data Lake Engine.
Responsibilities and ownership
- Own the full cycle of development of our modern single page web application from inception, design, development, testing, and production.
- Care deeply about modular design patterns and frameworks to deliver an architecture that’s rooted in simplicity, that’s easy to iterate on and constantly evolve.
- Passionate about ease of use, experience and quality of the product.
Requirements
- 5+ years of experience working with JavaScript frameworks such as React, Angular.js, Angular, or Vue.js.
- 2 years minimum experience with React is highly preferred and currently utilizing React in their current job.
- Strong coding experience in JavaScript (or TypeScript), HTML, and CSS.
- Passion about UI development and UX design
- Shown proven success in delivering high-quality front end applications
- Fluency in the understanding of SQL and databases (relational or non-relational)
- B.S. or M.S in Computer Science in a relevant technical field or equivalent professional experience
Key Qualifications:
5 + years of experience in Software development in multithreaded Java/Python applications
3+ years of UI/UX stack experience (Angular JS/PHP/Javascript)
Extensive experience in coding and debugging Java applications and deployment
Should have experience/exposure to Apache Tomcat, JBOSS, SOAP, REST, Maven, Spring framework, hibernate, Kafka, Zookeeper, DHCP, DNS, SNMP
Extensive experience with MySQL and various NoSQL Databases like MongoDB, Elasticsearch
Modelling languages like Netconf, Restconf, Yang,Tosca, Yaml, XML
Skilled in data center, networking, Linux and cloud technologies especially IaaS
Understanding of the ETSI NFV architecture stack
2+ experience with SDN technologies
2+ experience with OpenStack, Kubernetes or other container orchestration platform
Agile programming methodologies
DevOps - CI/ CD experience with Git, Gerritt, Jenkins
Experience contributing to and working with open source communities like ONAP, ONF
- Be a great team player, experienced in working with agile teams. Ability to collaborate closely with developers and UX designers.
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end
- Collaborate with other team members and stakeholders
- Take pride of ownership in features that are used by users in Global 100 enterprises around the world
Required skills:
- Passionate about building great products with a track record of having worked as part of teams that have built enterprise products in production.
- Motivated to combine the art of design with the art of programming
- Proficient understanding of web markup, including HTML5, CSS3
- Proficient understanding of client-side scripting and JavaScript frameworks such as JQuery, Kendo UI
- Basic working knowledge of MVC Razor
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around them
- Angular 2 and above is a must
- A great communicator of ideas and solutions and a lateral thinker when faced with complex problem
Qualifications
B.E / B.tech
Any technical or science graduates








