
- Design and Build sophisticated and highly scalable apps using Flutter.
- Build custom packages in Flutter using the functionalities and APIs already available in native Android and IOS.
- Translate and Build the designs and Wireframes into high-quality responsive UI code.
- Write efficient queries for core Data.
- Use of Model-View-Controller (MVC) and Model-View-View Model-Controller (MVVM) as it relates to designing, developing architecture and developing maintainable, testable, and functional software that meets product requirements.
- Explore feasible architectures for implementing new features.
- Suggest space and time-efficient Data Structures.
- Follow the best practices while developing the app and keep everything structured and well documented.
- Use CI/CD for smooth deployment.
- Document the project and code efficiently.
- Manage the code and project on Git in order to keep in sync with other team members and managers.
- Communicate with the Project Manager regarding status of projects and suggest appropriate deadlines for new functionalities.
- Ensure security guidelines are always followed while developing the app.
- Validate the cloud system to ensure any new changes do not compromise the security of the backend server.
- Suggest new features and/or enhancements.
- Consulting with our customer-facing representatives about software system design and maintenance.
- Maintaining software through product lifecycle including design, development, verification and bug fixes.
- Connect regularly with the Quality Assurance Specialist to deliver a stable app.
- Resolve all the bugs reported by the Quality Assurance Specialist in a timely manner.
- Perform time profiling and memory leaks assessment.
- Execute app verification protocol.
- Write tests for the App.
- Following company policies and quality procedures to ensure quality product deliverables.

About Zartek Technologies
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About NonStop io Technologies:
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.
Brief Description:
NonStop io is seeking a proficient React.js developer to join our front-end development team. In this position, you’ll be mainly crafting and integrating UI components through React.js methodologies and workflows like Mobx and Redux.
Responsibilities:
● Developing and implementing UI components using React.js
● Collaborating with cross-functional teams to design and ship new features
● Building reusable components and front-end libraries for future use
● Translating designs and wireframes into high-quality code
● Optimizing components for maximum performance across various web browsers
● Troubleshooting and debugging issues to ensure smooth user experiences
● Participating in code reviews to maintain code quality and consistency
● Improvement and optimization of existing codebase
● Keeping up with industry trends
● Identifying issues with technologies and architecture and then implementing solutions
● Assist with ticket creation, refinement, and estimation
● Participate in sprint planning and ticket distribution for frontend team
Qualifications & Skills:
● Proficiency in React.js and its core principles
● Strong JavaScript, TypeScript, HTML5, and CSS3 skills
● Experience with popular React.js state management libraries and approaches (such as Mobx, Redux, and Context API)
● Familiarity with RESTful APIs and integration
● Knowledge of modern authorization mechanisms, such as JSON Web Tokens
● Understanding of front-end build tools and pipelines
● Excellent problem-solving and communication skills
● A strong attention to detail, and a passion for delivering high-quality code
● Expertise in designing scalable and efficient front-end architecture
● Adaptability to changing project requirements and priorities
● Experience with version control systems, particularly Git
● Experience working in Scrum and familiarity with Atlassian (Jira, Confluence, Bitbucket)
● Proven experience in leading teams
● Experience with diverse applications and architectural patterns
● A degree in computer science, software engineering, or a related field
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to work effectively in a collaborative team environment
Job description:
Job Description – Ionic Angular Developer
The candidate must be proficient in Ionic framework, Angular, TypeScript, HTML, CSS, and JavaScript. The role involves the development of cross-platform mobile and web applications for Web and iOS platforms.
Responsibilities:
- Develop and maintain web and Mobile applications using Ionic framework.
- Collaborate with cross-functional teams to design, develop, and test new features.
- Create responsive UI/UX design using Angular, HTML, CSS, and JavaScript
- Implement and maintain back-end services and APIs.
- Debug and troubleshoot issues and provide solutions.
- Ensure the performance, quality, and responsiveness of the applications.
- Stay up to date with the latest trends, techniques, and technologies related to mobile development.
Job Type: Full-time
Work Location: In person
6+ years of total software development experience with minimum 3+ years in Flutter
Product-based company experience is mandatory (B2C scale preferred)
Proven ability to own end-to-end Flutter mobile architecture for high-scale apps
Strong expertise in Dart, Flutter SDK internals, and advanced state management (Bloc / Riverpod / Provider)
Hands-on experience with platform channels and native integrations (Android & iOS)
Deep knowledge of performance optimization: app startup time, FPS, memory leaks, widget rebuilds, rendering pipeline
Experience with profiling tools (Dart DevTools, Android Profiler, Xcode Instruments)
Strong skills in offline-first architecture, caching layers, and API integrations
Ability to optimize video playback, downloads, DRM, and OTT workflows
Strong command of clean code, SOLID principles, and scalable mobile system design
Experience reviewing code and mentoring engineers (Senior IC role)
What does the core role include?
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
- Designing stateless components in React Native
- Contributing in all phases of the development lifecycle
- Working with the developers to create and maintain a robust framework to support the apps
- Working with the developers to build the interface with a focus on usability features
What else can you expect in the role?
- Prepare and produce releases of software components
- Optimizing performance for the apps
- Problem-solving skills, analytical mind, and positive attitude
- Ability to think from end users perspective and focused on improving the overall product experience.
- Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
What can fetch you brownie points?
- Hands on experience with React Native is required
- Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
- Strong understanding of JavaScript ecosystem
- Hands on experience on Android in creating Hybrid / Native applications
- Demonstrable UI/UX experience on a large-scale app.
- Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
- Good knowledge of JS frameworks like ReactJS is a plus.
Desired Skills and Experience
Hybrid Apps,React Native, Native iOS and Android Architecture understanding
Flutter Developer
Instrive is a Chennai-based start-up that provides high-quality Dev-ops solutions for clients worldwide. In this increasingly digital world, we strive to solve problems and create value. Instrive was founded with one goal in mind, creating high-quality products and delivering great user experiences worldwide.
A number of products are being developed for both in-house purposes and for our overseas clients, and we are actively expanding our team of talented professionals.
As part of our ambitious product roadmap, we need flutter developers for our team.
Your primary responsibility will be to develop flutter applications both (mobile and web) with a heavy focus on real-time communication such as WebRTC, web sockets etc.
You'll make a meaningful impact and create lasting connections with our outstanding team, no matter where your career takes you.
Responsibilities:
- Develop, test, and deploy fast and scalable Mobile, Web and Desktop apps.
- Lead the development of flutter applications.
- Identify production and non-production application issues as a part of deployment.
- Establish, refine and integrate development environment tools and software as needed.
- Building future-proof front-end libraries and reusable widgets.
- Knowledge in coding architecture.
- Collaboration with the IT team, researchers, and designers to design robust apps and encourage business goals.
- Create Unit and Integration tests to ensure the quality of code.
- Testing applications and fixing bugs, along with security and data protection features.
- Participate with developers in the integration of REST APIs.
- Conducting code reviews of peer developers.
Flutter Developer Requirements:
Technical Skills:
- Bachelor’s degree in computer science, computer engineering, or similar.
- Previous work experience as a Flutter developer for a minimum of 3 years.
- Strong hands-on experience with MBaaS systems such as Firebase.
- Must have strong knowledge in MVC and/or MVVM framework.
- An understanding of DART and its core principles.
- Knowledge of GIT, JSON, design framework and web services.
- Good understanding in State management, such as BLOC / GetX
- A robust understanding of MUI and how best to use the inbuilt functionality provided.
- A hands-on understanding of how to create responsive designs.
- An excellent understanding of emerging trends in visual design and user experience.
- Experience in application architecture and publishing apps.
- Understanding Agile methodologies, client-side and server-side procedures.
Good to have:
- Experience in native Android/IOS app development.
- Knowledge of HTML5 and its best practices.
- Cloud technology knowledge is a plus.
- Figma experience is a plus.
Soft Skills:
- Good communication skills.
- Critical thinking and time management.
- Good team player.
- Strong problem-solving and analytical skills.
- Collaboration to support business goals.
- Competence for individual contribution.
Minimum two year of experience in React is required for this position.
- Responsible for requirements understanding, propose architecture, detailed design,
- development and timely deliverables with the highest quality standards.
- We are looking for Product creators who can work with minimum inputs from business and are able to deliver products quickly and with quality.
- This person should have worked in Enterprise class product from scratch.
- Start-up experience would be highly desirable.
- Tech Stack: React.js, HTML, CSS, AWS, MySQL, Razor Pay, Google Analytics, SEO, Dev Ops, CI/CD Pipeline
• Working with the technical manager, understanding requirements, documents, and
develops with clean and maintainable code, and works with members to foster growth
within the team.
• Analyses, designs, programs, resolve bugs, supports, and modifies software for
enhancements and/or new feature development.
• Estimates work based on requirements.
• Develop user interface components and implementing them following well-known
React.js workflows (such as Redux), React hooks, react-router with Javascript ES6.
• Develop and maintain excellent React Native applications with clean code.
• Optimizing components for maximum performance.
• Work with modern tools like Jira, Git, Google Docs, etc
• Highly motivated, enthusiastic, and self-learner.
• Partnering with others to solve problems quickly and efficiently
Qualifications
• BE / B.Tech / MCA
• 5 – 8 years of experience in Front-end development.
• Expertise in HTML5, CSS, React Js / JavaScript (ES6), DOM manipulation and
the JavaScript object model.
• Experience with popular React.js workflows (such as Redux)
• Experience working with ReactNative and understanding of ReactNative best
Practices would be added advantage.
• Proficient understanding of code versioning tools, such as Git
• Basic understanding of CSS pre-processing platforms, such as LESS and SASS
• Familiarity with RESTful APIs
• Having knowledge of Unit-Test/Java/Spring will be an added advantage
• Knowledge of modern authorization mechanisms, such as JSON and Web Token
• Demonstrates deep expertise in specific coding concepts and/or languages,
• especially around modern application architectures.
• Experience with web applications that use responsive design to better support mobile
browsers
We are more interested in what you CAN DO than your location, education, or
experience levels.
Location- Anywhere in India with remote working (Base location Mumbai/Pune)
Send us your code samples / GitHub profile / published articles if applicable.
Senior UI Developer
Looking for a highly skilled/ Experienced Candidates in Frontend Programming & who is comfortable in dealing with Backend tools.
Key Responsibilities
Reviewing application requirements and interface designs.
Identifying web-based user interactions.
Developing and implementing highly-responsive user interface components using react concepts.
Writing application interface codes using JavaScript following ReactJS workflows.
Troubleshooting interface software and debugging application codes.
Developing and implementing front-end architecture to support user interface concepts.
Monitoring and improving front-end performance.
An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.
6 to 9 years of strong design and development experience in building massively large-scale distributed internet systems and products.
Previous experience working as a React.js Developer.
In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
Strong experience using a client side MVC framework such as NodeJS, ReactJS, Redux.
Experience with user interface design.
Knowledge of performance testing frameworks including Mocha and Jest.
Experience with browser-based debugging and performance testing software.
Experience in responsive design, cross browser compatibility and website performance.
Knowledge of frontend CSS frameworks like Bootstrap, Material UI and preprocessors like SASS and LESS.
Experience with handling Services, RESTful, APIs (NodeJS preferably).
You will be working with top-quality engineers who have built one of the best employee engagement SaaS platforms. You will be reporting to Engineering Head and working closely with the Architect and other leads.
We are
A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls and Compass. Xoxoday works with over 1000 global clients. We help our clients in engaging and motivating their employees, sales teams, channel partners or consumers for better business results.
Xoxoday is a horizontal rewards & incentive infrastructure platform to solve problems around employee rewards and recognition, channel incentives, sales incentives, and consumer promotions.
Xoxoday (pronounced “zo-zo-day”) is a one-of-a-kind all-in-one engagement and motivation platform that has been empowering organisations across the globe to improve business efficiency, productivity, performance while optimising costs in employees, sales, channel, and consumer engagement. Founded in the year 2012 by Manoj Agarwal, Abhishek Kumar, Sumit Khandelwal and Kushal Agrawal, Xoxoday offers a powerful platform for organisations to align their users with motivation triggers – both extrinsic and intrinsic – and achieve tangible business outcomes. Xoxoday’s robust technology platform includes three highly scalable, easy to use, plug-n-play products. These platforms help organisations to motivate and engage their employees, distributors, dealers, contractors, freelancers, sales teams, survey panellists and more.
We are hiring for mid-senior level frontend angular developers.
Requirement:
- Minimum 1-year experience in building web apps.
- Minimum 1-year experience with Angular.
- Extensive knowledge about Angular 7+
- Know about angular services, components, and directives and it's lifecycle.
- Proficient in logic building and playing with data structures.
- Flexible to learn and/or execute a project with other frameworks i.e. Vue or React.
- Writing flexible and reusable components
- Complete knowledge about Rest API's and integration
- Creating type-safe models for API calls.
Job Type: Full-time
ob Purpose :
- To lead Design, Development and Maintenance of Frontend Technology for Viacom18's flagship OTT Platform - VOOT, plan & innovate to deliver best-in class product features, ensuring market leadership and future readiness.
- Head the technology team for Viacom18's flagship OTT Platform - VOOT by enhancing and future proofing the technological infrastructure and capabilities to build a world class product.
Key Responsibilities :
Technological Readiness :
- Strengthen VOOT's technological capability
- Evaluate Frontend technology stacks and choose best in class relevant solutions for business
- Build internal capability for technological functions for future readiness
- Drive technical and technological efficiencies to save cost
Technological Innovation :
- Identify avenues for product enhancement
- Convert relevant ideas to POC (Proof of Concept)
- Act as the technical product owner and work with product management team to deliver features and manage releases and enhancement
- Deliver best-in-class product functionality by minimizing crash rate, reducing improving playback time performance and ensuring maximum device coverage
Collaboration and Partner Management :
- Evaluate and finalize new partners for product enhancement from technical perspective
- Developing technological road maps in collaboration with Product team & external technology partners
- Timely and quality delivery of product/features, including outsourced functionalities and services with no downtime
Resource management of external partners to deliver results
Team management
- Work with the HR partner to create a workforce plan
- Review performance on regular basis
- Ensure optimum levels of engagement through appropriate recognition channels
- Provide inputs on hiring and succession planning
- Identify training needs by using TNA method
Key Performance Indicators :
- Develop best in class product functionality
- Ensure technological readiness for product
- Increase in the number of active daily video viewers
- Application Store rating
- Maintaining a crash rate & Maintain playability above 90%
- No. of new & high quality features rolled out on the platform
Skills : Front End, Android, iOS









