Windows app developer

Job Title: Consultant – Enterprise Application Development

Location: Bengaluru (Hybrid / On-site)

Engagement: Full-Time

Experience: 10 – 15 years preferred

About Us: Introducing VTT, a comprehensive mobility service provider catering to diverse multinational sectors like IT/ITES, KPO/BPO, Financial, Pharma, and more across Indian cities. Our “Managed Mobility Program” includes Fleet Management, Technology, Resource Management, Car Rentals, Logistics, and Special Services (Ambulance and PWD vehicles). Trusted by Fortune companies such as Cisco, Morgan Stanley, Wells Fargo, Google, PWC, and others, we pride ourselves on leveraging expertise and cutting-edge technology for safe, efficient, and uninterrupted service delivery. With a commitment to excellence, we ensure best-in-class standards for all our clients. Trip to school is now timely, comfy and secure! Our well maintained f leet is here to enrich your child’s commute, keeping students punctual and safe thanks to GPS tracking paired with well-trained drivers. Our routes are carefully planned, our drivers attentive, and everything hassle-free.

Role Overview

We are looking for a seasoned Consultant with comprehensive expertise in enterprise-level application development across backend, frontend, mobile, DevOps, and cloud. The role demands a strong architectural mindset combined with hands-on execution. The Consultant will also play a critical role in understanding the current system architecture end-to-end, driving technical improvements, building the tech team foundation, and establishing structured technical documentation.

Key Responsibilities

• Understand the complete architecture of the existing systems, including web, mobile, backend services, and cloud environment.

• Provide hands-on leadership across backend, frontend, mobile, DevOps, and cloud infrastructure.

• Architect and optimize enterprise-grade applications for scalability, security, performance, and reliability.

• Conduct technical due diligence on current systems and propose improvements or refactoring plans.

• Build the foundation for the internal engineering team including hiring support, role definitions, and best-practice processes.

• Drive engineering workflows including coding standards, branching strategy, CI/CD, monitoring, and release management.

• Create comprehensive technical documentation covering system architecture, API specs, deployment playbooks, and SOPs.

• Review code and provide mentorship to engineering resources.

• Coordinate with product and business teams to translate requirements into technical design and actionable development roadmap.

• Troubleshoot and resolve deep-stack issues during development or production.

Technical Expertise Required

Backend

• Java / Spring Boot

• Node.js

•Microservices architecture

• REST / GraphQL

Frontend

• React js

• Responsive UI, component-based architecture, state management

Mobile

• Flutter

• React Native

Cloud & DevOps

• AWS (ECS / EKS / EC2 / RDS / Lambda / S3 / IAM / CloudWatch etc.)

• CI/CD pipelines (GitHub Actions / Jenkins / GitLab CI or equivalent)

• Docker / Kubernetes

• Infrastructure-as-code (Terraform / CloudFormation)

Database

• MongoDB

• Knowledge of PostgreSQL / MySQL is an added advantage

Professional Attributes

• Strong architectural thinking with the ability to simplify complex systems.

• Excellent communication and stakeholder management skills.

• Ability to work independently without constant supervision.

• Capability to mentor, lead, and build an engineering team from scratch.

• Process-driven mindset with a focus on best practices and documentation.

Deliverables

• Architectural understanding and documentation of current systems.

• Recommendations and implementation plan for system upgrades or restructuring.

• Establishment of core engineering processes and standards.

• Hiring support and technical evaluation of developers.

Key Responsibilities

• Design and develop high-performance, user-friendly mobile applications using React Native
• Collaborate with cross-functional teams to define, design, and ship new features
• Write clean, scalable, and efficient code following best practices
• Integrate third-party APIs, native modules, and libraries
• Debug and resolve application issues and performance bottlenecks
• Handle end-to-end app deployment on Play Store and App Store
• Stay up to date with the latest trends in mobile development

Job Title: iOS Developer

Location: Noida Sector 63

Experience - 1+ Years

About the Role:

We are seeking a talented and motivated iOS Developer with 2+ years of experience to join our growing mobile development team. In this role, you will be responsible for designing, developing, and maintaining high-quality iOS applications that deliver an exceptional user experience.

Qualifications:

B.Tech in Information Technology or Computer Science, or

M.Tech in Information Technology or Computer Science, or

MCA (Master of Computer Applications).

Key Skills & Experience:

Proven experience in Swift and Java programming.

Strong hands-on knowledge of SwiftUI, UIKit, and Apple’s core frameworks.

Proficiency with Xcode IDE and iOS app architecture.

Experience integrating and working with Firebase services.

Good understanding and implementation of MapKit.

Strong background in integrating third-party dependencies, libraries, and SDKs

Solid problem-solving and debugging skills.

Familiarity with RESTful API integration and mobile app design best practices.

Experience with the entire App Store submission process is a plus.

Responsibilities:

Design and develop robust, scalable, and reusable iOS applications.

Collaborate closely with designers, product managers, and other developers to deliver high-quality features on schedule.

Write clean, maintainable, and efficient code following industry best practices.

Perform unit and UI testing to ensure application performance, quality, and responsiveness.

Identify and correct bottlenecks, fix bugs, and continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Integrate and manage third-party libraries and dependencies as needed.

Ensure the performance, quality, and responsiveness of applications across various iOS devices.

Participate in code reviews and contribute to team knowledge sharing.

What We’re Looking For:

A proactive, self-motivated developer with strong analytical and problem-solving skills.

A team player with excellent communication and collaboration abilities.

A passion for staying up-to-date with new trends and advancements in iOS development.

A commitment to delivering high-quality, user-centric products.

• Design, build, and maintain efficient, reusable, and reliable Flutter code to develop feature-rich, high-performance mobile applications for Android and iOS platforms.

Collaborate with designers to implement visually stunning and responsive user interfaces, ensuring an excellent user experience across various devices and screen sizes.

• Integrate mobile applications with backend APIs and services to facilitate seamless data exchange and ensure smooth app functionality.

• Identify and resolve bugs, performance issues, and other problems that may arise during the development process or in the live applications.

• Continuously optimize application performance and enhance the user experience by employing efficient algorithms and techniques.

• Stay up-to-date with the latest trends, tools, and technologies related to mobile development, particularly within the Flutter ecosystem, and apply them to improve development processes and outcomes.

Requirements

• Minimum 4 years of professional experience in mobile app development, with a focus on Flutter.

• Proven expertise in developing robust and complex mobile applications using the Flutter framework.

• Solid understanding of mobile app development concepts, including UI/UX design, offline storage, threading, and performance optimization.

• Strong proficiency in Dart programming language, along with a good understanding of object-oriented programming (OOP) principles.

• Familiarity with RESTful APIs and experience in integrating mobile applications with backend services.

• Strong communication skills to collaborate effectively with team members and clients.

• Solution design documentation, development ownership, mentoring and driving the most comprehensive trade terminal for our super users for the iOS Mobile platform
• Ensuring the team adhere to the best industry technical practices and meet the business objective
• Ensuring responsiveness of the application
• Monitor reliability and performance metrics of the system to provide an impeccable experience to the user
• Co-ordinate with developers, testers and keeps the product manager well informed of the status of the development effort to senior managers
• Mentoring of the team
• Code review of team members and code quality ownership
• Collaborate with team, cross-functional teams to define and design new features
• Work with data sources, APIs, 3rd party SDKs
• Unit-test code for robustness, including edge cases, usability and general reliability
• Work on bug identification and fixing
• Troubleshooting and triage of field issues
• Improving application performance
• App management and monitoring on iTunes
• Produce high-quality code and experience with security implementation
• identifying risks implementing security patches procedures
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Keep abreast of new trends and best practices in mobile development

• B.E., B.Tech., M.C.A. or equivalent technical qualification in Computer Science,
• Engineering or a related subject
• 7 to 10 years of proven software development experience in iOS development
• Experience in mentoring iOS developers
• Must experience with Swift
• Experience with Objective-C is a plus
• Experience working with remote data via REST and JSON must
• Experience with API integration, Third-party SDKs, Charts, Payment Gateway, Sockets is a plus
• Experience in HLD, LLD designing must
• Solid understanding of the full mobile development life cycle.
• Mobile Application security standards is a plus
• Experience in mobile app architecture, frameworks, design patterns must
• Experience in writing Unit Test cases is a plus
• Experience in performance measurement of application is plus
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Experience in using JIRA, TFS
• Experience of CI/CD pipeline with tools used for Code coverage, code bugs identification, test automation, GIT
• Experience in Firebase Crashlytics, Application Performance must
• Experience in driving scrum team and follow agile practices
• Fundamental knowledge of the BFSI sector is a plus
• Strong communication skills
• Project Estimation & Planning

• Firm grasp of the JavaScript (and TypeScript ) language and its nuances
• Knowledge of (functional or object-oriented) programming
• Ability to write well-documented, clean Javascript code
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools.
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites.

1.    Expert in iPhone SDK, SQLite Database.
2.    Proficient with Swift (mandatory) & Objective C.
3.    Experience with iOS frameworks such as Core Data, Core Animation, etc.
4.    Experience with offline storage, threading, and performance tuning.
5.    Familiarity with RESTful APIs to connect iOS applications to back-end services.
6.    Understanding of Apple's design principles and interface guidelines
7.    Knowledge of low-level C-based libraries is preferred.
8.    Understanding of Apple's design principles and interface guidelines.
9.    Experience with performance and memory tuning with tools.
10.   Familiarity with cloud message APIs and push notifications.
11.   Should have knowledge about API related to Facebook, Twitter, LinkedIn, Google +, Vimeo, YouTube, etc.
12.   Understanding of Apple's design principles and interface guidelines 

Requirement::

• Design and build advanced applications for the Android platform.

• Collaborate with cross-functional teams to define, design, and ship new features.

• Work with outside data sources and APIs.

• Unit-test code for robustness, including edge cases, usability, and general reliability.

• Work on bug fixing and improving application performance.

• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

• Proven software development experience and Android skills development

• Proven working experience in Android app development

• Have published at least one original Android app

• knowledge with Android SDK

• knowledge working with remote data via REST and JSON

• knowledge with third-party libraries and APIs

• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies

• Solid understanding of the full mobile development life cycle.

Website - https://praxinfo.com/">https://praxinfo.com/