NAVNEET KUMAR — Mobile Engineer

Mobile Application Developer with experience building secure, scalable, and production-grade applications across Fintech, AI-powered products, E-commerce, and Enterprise platforms. Currently working as a React Native Developer, developing high-performance Android and iOS applications with a strong focus on mobile security, application architecture, and user experience. My work includes implementing AES-256 hybrid encryption, RSA-based key exchange, SSL Pinning, App Sealing, secure authentication flows, and scalable networking solutions for regulated financial products. Previously, I worked on client-facing mobile applications at Data Florent, where I developed cross-platform React Native applications and contributed to integrating AI-driven capabilities into mobile experiences. I collaborated closely with stakeholders to deliver scalable and maintainable solutions tailored to business requirements. At Pepperfry, I contributed to enterprise-grade internal products including PepPalm and Order Fulfillment Tracking (OFT), working on Angular-based dashboards, feature development, production issue resolution, and migration initiatives from PHP to Angular. I enjoy solving complex engineering challenges, building scalable architectures, optimizing application performance, and exploring emerging technologies in mobile development, AI, and software engineering. Core Skills: • React Native • TypeScript & JavaScript • Android & iOS Development • Mobile Application Security • AES-256 Encryption & RSA • SSL Pinning & App Sealing • MobX & TanStack Query • REST API Integration • Angular • React.js & Next.js • Performance Optimization • Git & Agile Development Always open to connecting with developers, product teams, and organizations building impactful technology.

Stackforce AI infers this person is a Fintech mobile application developer with expertise in secure and scalable solutions.

Location: Bengaluru, Karnataka, India

Experience: 1 yr 3 mos

Skills

React Native
Application Security
Angular
Web Development

Career Highlights

Expert in secure mobile application development.
Proficient in React Native and Angular frameworks.
Strong background in fintech and AI integration.

Work Experience

Catalyst Media Integrated LLP

Mobile Application Developer (9 mos)

DataFlorent Technologies

React Native Developer (6 mos)

Pepperfry

Angular Developer (2 mos)

Web Developer (6 mos)

Education

Bachelor of Engineering - BE at JSS Academy Of Technical Education Karnataka

NAVNEET KUMAR

Mobile Engineer

Bengaluru, Karnataka, India1 yr 3 mos experience

Most Likely To Switch

Key Highlights

Expert in secure mobile application development.
Proficient in React Native and Angular frameworks.
Strong background in fintech and AI integration.

Stackforce AI infers this person is a Fintech mobile application developer with expertise in secure and scalable solutions.

Contact

Skills

Core Skills

React NativeApplication SecurityAngularWeb Development

Other Skills

TypeScriptMobXTanStack QueryAES-256 EncryptionRSASSL PinningApp SealingREST APIsAndroidiOSGitExpoUI/UX DesignComponent-Based ArchitectureHTML

About

Experience

1 yr 3 mos

Total Experience

7 mos

Average Tenure

9 mos

Current Experience

Catalyst media integrated llp

Mobile Application Developer

Sep 2025 – Present · 9 mos · Mumbai, Maharashtra, India · Hybrid

Developing and maintaining enterprise-grade fintech mobile applications including Nuvama Finsmart and Nuvama Private using React Native and TypeScript for Android and iOS platforms.
Implemented AES-256 hybrid encryption with RSA-based key exchange and dual-handshake authentication mechanisms to secure end-to-end communication and protect sensitive financial data.
Strengthened application security through SSL Pinning, Certificate Validation, and App Sealing (DoveRunner), mitigating risks such as MITM attacks, reverse engineering, runtime tampering, and unauthorized access.
Designed scalable networking architecture using SDK-based and fetch-based integrations, enabling secure, reliable, and high-performance API communication.
Built reusable and modular application components, improving code maintainability, development efficiency, and scalability across multiple product modules.
Collaborated closely with product, backend, QA, and security teams to deliver production-ready features while adhering to security and performance standards.
Optimized application performance through efficient state management, network handling, rendering optimizations, and modern React Native development practices.
Contributed to technical design discussions, code reviews, security reviews, debugging, and release management throughout the software development lifecycle.
Worked extensively on secure authentication flows, encrypted data transmission, session management, and mobile application hardening for regulated financial products.
Tech Stack: React Native, TypeScript, MobX, TanStack Query, AES-256 Encryption, RSA, SSL Pinning, App Sealing, REST APIs, Android, iOS, Git.

React NativeTypeScriptMobXTanStack QueryAES-256 EncryptionRSA+7

Dataflorent technologies

React Native Developer

Feb 2025 – Aug 2025 · 6 mos · Banglore · Remote

▪ Developed and maintained cross-platform mobile applications using React Native, TypeScript, and Expo for client-facing products across multiple domains.
▪ Collaborated closely with clients and cross-functional teams to deliver scalable, high-performance mobile solutions with a strong focus on user experience and maintainable architecture.
▪ Integrated AI-powered features and intelligent workflows into mobile applications, enhancing automation, personalization, and user engagement.
▪ Designed and integrated secure REST APIs, authentication flows, and real-time data synchronization to support production-scale applications.
▪ Implemented modern mobile development practices including modular architecture, reusable components, state management, and performance optimization.
▪ Worked throughout the complete application lifecycle, from requirement gathering and development to testing, deployment, and post-release support.

React NativeTypeScriptExpo

Pepperfry

3 roles

Angular Developer

Nov 2024 – Jan 2025 · 2 mos · Bengaluru, Karnataka, India

As a Frontend Developer Intern at Pepperfry, I contributed to the development and maintenance of core internal dashboards using Angular. My responsibilities included working on product-related tasks, resolving live production issues, and ensuring smooth UI/UX across platforms.
One of my major contributions was to the Order Fulfillment Tracking (OFT) dashboard, where I handled crucial product features and tackled real-time issues that directly impacted business operations. I also played a key role in the migration of legacy systems from PHP to Angular, helping improve performance, scalability, and maintainability of the platform.
This experience sharpened my skills in component-based architecture, real-time debugging, and collaborating within a cross-functional tech team in a fast-paced environment.

AngularUI/UX DesignComponent-Based Architecture

Angular Developer

Nov 2024 – Jan 2025 · 2 mos · Bengaluru, Karnataka, India

Web Developer

Mar 2024 – Sep 2024 · 6 mos · Mumbai, Maharashtra, India · Hybrid

During my Web Development internship at Pepperfry, I was responsible for creating and optimizing daily marketing mailers and dynamic HTML email templates to support the brand’s digital outreach. I worked closely with the marketing and tech teams to ensure responsive, visually appealing, and cross-platform compatible designs.
My work involved HTML, CSS, and inline styling techniques, along with maintaining brand consistency and performance across various email clients. I also contributed to EMP (Enterprise Mailer Platform) emails, where I focused on improving design structure and delivery efficiency.
This role gave me hands-on experience in bridging design with functionality, paying attention to pixel perfection, and working under tight deadlines for real-time campaigns.

HTMLCSSWeb Development