11+ UML Jobs in Mumbai | UML Job openings in Mumbai

Job Responsibilities:

- Design and develop high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance.

- Contribute in all phases of the development lifecycle: concept, design, build, deploy, test, release to app stores and support.

- Diagnose performance issues, fix bugs (including crashes and ANRs) to increase the functionality of the application.

- Write well designed, testable, efficient code.

- Ensure designs are in compliance with specifications

- Prepare and produce releases of software components

- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

Desired Profile :

B.Sc. (CS or IT) + MCA/ BCA + MCA/ B.Tech. /B.E. (CS or IT) .

Experience required- 1 - 2 years

- Subject Proficient in Java/Kotlin programming

- Knowledge and experience in Flutter Framework and DART programming

- Hands on experience in using RESTful APIs

- Hands on experience in designing and developing micro-services architecture and containers

- Object oriented analysis, UML and design using common design patterns.

- Hands on experience in development IDE Android Studio, Android SDK, Firebase Test Lab

- Experience with offline storage, threading, and performance tuning

- Familiarity with push notifications

- Familiarity with IOS integration with Flutter

- Experience using GitHub or similar environment

- Complete understanding of SDLC

- Experience with Agile development

- Experience with Material Design and Android UI design principles, patterns and best practices

- Good knowledge of adding third-party libraries for Eg. Twilio

- Ability to understand business requirements and translate them into technical requirements

Android Engineer – AI Platforms & Immersive Experiences

Company: Jio Reality Labs

Location: Navi Mumbai, India

Job Type: Full-Time

Job Summary

Jio Reality Labs is looking for a skilled Android Engineer to build high-performance, scalable mobile

applications for AI-driven, real-time, and immersive platforms used by millions of users. This role

focuses on creating intuitive, responsive, and visually rich Android experiences for AI/ML

dashboards, real-time analytics, and AR/VR-enabled applications.

Responsibilities

1. Mobile Application Development

 Build and maintain scalable, high-performance Android applications using modern

development frameworks and tools.

 Develop intuitive user interfaces for AI/ML workflows, real-time analytics dashboards, and

enterprise tools.

 Translate product requirements and UX designs into clean, maintainable, and reusable code.

2. Real-Time & Data-Driven Interfaces

 Implement real-time UI updates for streaming data, live metrics, and system monitoring

dashboards.

 Work with APIs and WebSockets to render low-latency, data-intensive views.

 Ensure smooth user experience under high-traffic and high-data-volume scenarios.

3. UI/UX & Performance Optimization

 Optimize mobile application performance for speed, responsiveness, and scalability.

 Ensure compatibility across Android devices, screen sizes, and OS versions.

 Collaborate closely with designers to deliver polished, immersive user experiences.

4. Platform & Architecture

 Design mobile architecture that supports modularity, scalability, and long-term

maintainability.

 Implement state management, reusable components, and modular libraries to support

complex applications.

 Contribute to mobile development standards, best practices, and reusable design systems.

5. Collaboration & Delivery

 Work closely with backend, AI/ML, data engineering, and platform teams to integrate APIs

and workflows.

 Participate in code reviews, sprint planning, and technical design discussions.

 Support CI/CD pipelines and production deployments.

Required Skills & Qualifications

 Strong experience in Android development using Kotlin or Java.

 Hands-on experience with Android SDK, Jetpack components, and modern Android

architecture patterns (MVVM/MVI).

 Solid understanding of mobile UI principles, layouts, and responsive design.

 Experience consuming REST APIs and working with real-time data (WebSockets, streaming).

 Familiarity with performance optimization techniques and debugging tools.

Preferred Skills

 Experience building dashboards or data-intensive mobile applications.

 Familiarity with data visualization libraries or charting frameworks.

 Exposure to AR/VR, 3D, or graphics-intensive interfaces (ARCore, OpenGL, Unity

integrations).

 Experience with design systems, component libraries, and accessibility standards.

 Understanding of cloud-based deployments and CI/CD workflows.

iOS Developer responsible for developing app from scratch.

We are looking to recruit a candidate for a role that will require:

• Translate design and wireframes into code
• Design, build, and maintain high performance, reusable, and reliable code
• Identify solutions through research and collaboration that resolves the root of problems as they arise
• Unit testing code
• Experience with cloud message APIs and usage of push notifications

Requirement

∙  2+ years’ strong development experience in iOS

∙  Experience using RESTful web services within mobile applications

∙ Proficient with Swift and Cocoa Touch

∙ Knowledge of iOS UI/UX standards

∙ Understanding of Apple’s design principles and interface guidelines

∙ Experience with code versioning control, such as bitbucket/git

Education: Engineering

Work experience: 2 years relevant experience

Sr.Android Developer/Android Developer

Hiring for the position of Android Developer responsible for developing app from scratch.

JOB DESCRIPTION:

●        Translate design and wireframes into code

●        Design, build, and maintain high performance, reusable, and reliable code

●        Identify solutions through research and collaboration that resolves the root of problems as they arise

●        Unit testing code

●        Experience with cloud message APIs and usage of push notifications

Requirement

∙  2+ years’ strong development experience in android

∙  Experience using RESTful web services within mobile applications

∙ Strong knowledge of Android UI design principles, patterns, and best practices

∙ Ability to understand business requirements and translate them into technical requirements

∙ Experience with code versioning control, such as bitbucket/git

∙  Experience in writing code using kotlin is an advantage

LogiNext is looking for a technically savvy and passionate mobile application developer to cater to the development and launch of core mobile product features. You will help the team in building an awesome product with your optimized code. You will make a humongous impact on design, architecture, implementation and enhancement of the applications that exceed client expectations in terms of value and benefit.

You have hands-on experience in building secure, high-performing and scalable mobile applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have assisted in shipping applications with beautiful front-end and intelligent back end. You have demonstrated strong interpersonal and communication skills.

Responsibilities

Develop cutting edge native Android or iOS applications for the mobile platform Build, test, maintain and enhance mobile apps having elegant and efficient UI/UX to enhance client experience Own features from their ideation, design, development, test, release and maintenance Be a resident expert of new trends and implement the latest Android/iOS features to maximize application performance Maintain high standards of quality and responsiveness through technical design analysis, code reviews and test automation Collaborate with a talented team of product managers, engineers, and designers Demonstrate high level of ethics, dedication and teamwork

Requirements

Bachelor’s degree in Computer Science, Information Technology or related field 2 to 3 years of experience in developing native Android/iOS mobile applications Strong knowledge of programming language in Swift or Java/Kotlin, SQLite and of IDE like XCode or Android Studio Hands on experience in using Location Based Services, REST Web Services Integration, FCM, Firebase and Battery Optimization Techniques Strong experience in memory management, performance tuning and resource optimization Deep knowledge of mobile automation and unit testing frameworks Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership Experience in both Android and iOS applications is a plus Excellent written and oral communication skills, judgment and decision-making skills, and the ability to work under continual deadline pressure

Requirements
1. 5-7 Years of hands-on development on Android
2. Extensive understanding of Architectures - both old and new -> MVC to MVVM To Clean
3. Excellent In-depth understanding of Java and Kotlin Programming Languages
4. 2+ Years of managing android developers
5. Have worked on or scaled an app to more than 1mn downloads
6. Obsessed about long term solutions, yet understands business requirements to deliver projects quickly
7. Good understanding of backend technologies for better cross teamwork
8. Obsessed about app ratings, app vitals, and crash-free apps

Responsibilities

1. Lead the Testbook Android Team of 12+ Android Developers
2. Own the Testbook Android App (2Cr+ Installs) and its related 500+ Apps
3. Work extensively with Product Managers to deliver quality products and features
4. Improve the App Architecture and drive processes for code reviews, releases.
5. Take up occasional challenging Android coding tasks

About Us : 

Rejolut is one of the award winning fastest growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.

The ideal candidate will be responsible for developing highly scalable and secure code.

Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library at God Speed
-Able to come with optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open source code
-Build pixel-perfect, buttery smooth UIs across both mobile platforms.

-Leverage native APIs for deep integrations with both platforms.

-Diagnose and fix bugs and performance bottlenecks for performance that feels native.
-Maintain code and write automated tests to ensure the product is of the highest quality.
-Transition existing native apps to Flutter

Desired Candidate Profile:-

-Strong knowledge & experience in Dart is mandatory.
-Strong attention to detail in UX & interactions.
-Strong experience with Flex CSS styling.
-Strong experience in SQLfLite & Firebase messaging is required.
-Experience in releasing Android and iOS App store

Culture

- Fast-paced, intellectually stimulating, steep learning, and growth

- Close-knit, hardworking, supportive colleagues

- Challenging work

- Flat organization with no hierarchy

- If you like problem solving, and love latest technology, there are very few better places

How we are different 
 -We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology

 Why to join us
 -We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company ho are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry

About the Role

A highly motivated and passionate individual who has experience in executing end to end web based products and applications; bringing them to production quickly and with high quality. Passionate about building flexible and scalable solutions with an eye for detail and can weigh pros and cons to find best possible solutions. 

Role and Responsibilities

• Collaborate with Product Managers to plan, implement and deliver tasks and modules on a timely basis with best practices and adherence to SOPs.
• Understand the product requirements, ask questions, and gather information and feedback to design and deliver features both on Android and iOS.
• Create a roadmap of tasks to be delivered for both iOS and Android applications in sync, such that new features go to the end-user at same time. 
• Lead the design of Android and iOS applications in a modular fashion with reusable components.
• Proactively identify issues related to memory consumption, battery drain and multi-threading in the application by planning regular tests and analysis.
• Deliver Android and iOS applications with integration to backend services deployed on the cloud with high quality and responsiveness. 
• Create strong practices around test driven development, automating delivery of apps to the marketplace with strong CI/CD practices.
• Manage a highly skilled and efficient team by hiring, keeping the team motivated, and managing performance.
• Play the role of an unblocker in a tight scrum environment. Should be able to help other developers with challenges, problem solving, and help achieve milestones as per plan.
• Prioritize to manage ad-hoc requests in parallel with ongoing projects.
• Hands on with programming with 50%+ of bandwidth going into modules owned.

Skills/Experience

• A highly talented developer with 10+ years of hands-on experience in building apps that have been released to the Play Store(Android) and Appstore(iOS). 
• Demonstrated experience managing teams of 5-10 or more engineers in mobile application teams.
• Strong knowledge of Android, Kotlin, iOS, Swift, Objective C and working with MVVM, MVP, MVC patterns.
• Experience building mobile applications which lean heavily on connecting to cloud services to gather data and stream videos/content. 
• Working knowledge of Xamarin or Flutter (cross platform frameworks) is highly preferred. 
• Practitioner of test driven development practices. Experience in creating and adhering to best practices for development.