Brijesh Kumar — Software Engineer

Frontend and cross-platform engineer with 8+ years of experience building scalable mobile and web applications — specializing in Flutter, Android (Kotlin), and modern web frameworks like Next.js across both service-based and product-driven environments. My background spans the full application stack: from native Android development (Kotlin/Java) to cross-platform Flutter apps (Android & iOS), and full stack development using Node.js with modern frontend frameworks. I have strong experience working with Google Cloud, Firebase, and real-time NoSQL databases like Firestore, enabling me to build high-performance, data-driven applications. At Best App Experts, I spent 5+ years delivering client-facing applications across multiple industries, gaining deep experience in handling diverse requirements in fast-paced environments. At Collectcent, I contributed to high-scale systems operating in a real-time, data-intensive adtech ecosystem, strengthening my skills in performance and scalability. Currently at CoreNeural, I build Next.js-based web applications and Flutter mobile apps for a private enterprise AI platform — designing secure, scalable, and intuitive interfaces for AI-driven knowledge systems. I collaborate closely with backend and infrastructure teams to deliver enterprise-grade dashboards, governance layers, and intelligent user experiences. I also bring hands-on experience in Angular (12+), React.js, database architecture, cloud functions, microservices, and automation tools, along with leadership experience managing teams, driving architecture decisions, and delivering multiple projects end-to-end. I’m passionate about building high-impact, scalable products, combining strong engineering fundamentals with modern technologies across mobile, web, cloud, and AI ecosystems.

Stackforce AI infers this person is a Full Stack Developer specializing in AI-driven applications and cross-platform solutions.

Location: Gurgaon, Haryana, India

Experience: 8 yrs 4 mos

Skills

Next.js
Flutter
Node.js

Career Highlights

8+ years of experience in mobile and web applications.
Expertise in Flutter and Next.js for scalable solutions.
Strong leadership experience managing development teams.

Work Experience

CoreNeural AI

Frontend Engineer · Flutter · Kotlin · Android · iOS · Cross-Platform CoreNeural AI (7 mos)

Collectcent

Senior Flutter Developer (2 yrs 7 mos)

ZeroBug

Team Lead(full stack developer) (7 mos)

Best App Experts

Senior Software Engineer (5 yrs 6 mos)

Balaji Solutions Limited

Software Developer (4 mos)

Education

Bachelor of Technology - BTech at Dr. A.P.J. Abdul Kalam Technical University

Diploma of Education at Government Polytechnic College

Government polytechnic mirzapur. at Government College

Brijesh Kumar

Software Engineer

Gurgaon, Haryana, India8 yrs 4 mos experience

Most Likely To Switch

Key Highlights

8+ years of experience in mobile and web applications.
Expertise in Flutter and Next.js for scalable solutions.
Strong leadership experience managing development teams.

Stackforce AI infers this person is a Full Stack Developer specializing in AI-driven applications and cross-platform solutions.

Contact

brijesh.kumar@collectcent.com LinkedIn

Skills

Core Skills

Next.jsFlutterNode.js

Other Skills

DartGoogle Cloud PlatformFirebaseNoSQLAngularReact.jsVB.NETWeb ApplicationsC#Payment GatewaysiOS DevelopmentRealtime APIAlgoliaMobile Application DevelopmentCore Java

About

Experience

8 yrs 4 mos

Total Experience

2 yrs 1 mo

Average Tenure

2 yrs 7 mos

Current Experience

Coreneural ai

Frontend Engineer · Flutter · Kotlin · Android · iOS · Cross-Platform CoreNeural AI

Oct 2025 – Present · 7 mos · Gurugram · Hybrid

CoreNeural is a private enterprise AI platform — a governed, secure layer enabling organizations to interact with their internal knowledge using AI. I build the frontend experience that makes this complex infrastructure accessible and intuitive across web and mobile platforms.
🔹 Develop and maintain CoreNeural’s web application using Next.js, delivering advanced AI-powered knowledge search, document interaction workflows, and response interfaces for enterprise users
🔹 Build Android mobile applications using Flutter, ensuring seamless access to AI-driven features on mobile devices
🔹 Design and implement governance and admin dashboards, including usage controls (Neurals system), role-based access, and audit/logging interfaces
🔹 Collaborate closely with backend and infrastructure teams to integrate frontend systems with private cloud APIs, authentication layers, and tenant-isolated environments
🔹 Ensure high performance, scalability, and consistency across enterprise deployments, including VPC and private cloud environments
🔹 Work on complex, multi-state UI systems with a strong focus on usability, responsiveness, and secure data handling
This role highlights my expertise in modern frontend frameworks (Next.js), cross-platform mobile development (Flutter), and enterprise-grade AI product interfaces, delivering secure and scalable user experiences.

Next.jsFlutterDart

Collectcent

Senior Flutter Developer

Oct 2023 – Present · 2 yrs 7 mos · India · On-site

Collectcent is one of India’s largest programmatic advertising platforms, processing billions of ad impressions daily. As a Senior Flutter Developer, I worked in a high-scale, real-time environment, building and maintaining cross-platform applications and contributing across the full stack to support advertiser and publisher operations.
🔹 Developed Flutter (Dart) based cross-platform applications for Android, iOS, and Web, delivering scalable and high-performance solutions
🔹 Worked as a Full Stack Developer using Node.js (Backend) and Flutter (Frontend) to build end-to-end features
🔹 Strong experience with Google Cloud Platform (GCP) and Firebase services, including Cloud Functions, APIs, and hosting
🔹 Hands-on experience with NoSQL Firestore (real-time database) for building dynamic, real-time data-driven applications
🔹 Built and maintained Angular-based web applications, working across modern frontend ecosystems similar to my experience at ZeroBug
🔹 Contributed to key product modules like campaign management systems, reporting dashboards, and advertiser/publisher portals
🔹 Worked in a high-scale, real-time adtech environment, focusing on performance optimization, state management, and reliable UI delivery
🔹 Experience with automation tools and scalable backend architectures
🚀 Innovation & Advanced Work:
🔹 Developed AI-based keyboard application features using Flutter, Kotlin, and Jetpack Compose, focusing on intelligent input, performance, and enhanced user experience
🔹 Collaborated with large engineering teams, product managers, and stakeholders to deliver robust, scalable, and business-critical applications
This role strengthened my expertise in Flutter, Full Stack development, cloud technologies, real-time systems, and high-performance application design in a data-intensive environment.

FlutterNode.jsGoogle Cloud PlatformFirebaseNoSQL

Zerobug

Team Lead(full stack developer)

Apr 2023 – Nov 2023 · 7 mos · Gurugram · Hybrid

ZeroBug | Team Lead & Full Stack Developer (Flutter | Node.js)
ZeroBug is a Gurugram-based mobile app development company where I work as a Team Lead, managing a team of 15+ developers while actively contributing as a Full Stack Developer. I play a key role in delivering scalable mobile and web applications for diverse client projects.
🔹 Leading and mentoring a team of 15+ developers, ensuring timely delivery and high-quality output
🔹 Working as a Full Stack Developer using Flutter (Frontend) and Node.js (Backend)
🔹 Managing end-to-end development across multiple technologies: Flutter, Angular, React.js, Next.js, Android (Java)
🔹 Designing and optimizing database architectures (SQL & NoSQL)
🔹 Hands-on experience with Google Cloud Platform (GCP) and its services (Cloud Functions, Firebase, hosting, APIs, etc.)
🔹 Experience with cloud functions, microservices architecture, and automation tools
🔹 Leading technical discussions, architecture planning, and solution design with clients and internal teams
🔹 Handling project coordination, code reviews, and deployment strategies
🔹 Ensuring best practices in scalable architecture, performance optimization, and maintainable code
This role has strengthened my expertise in team leadership, system design, cloud technologies, and full-stack development, enabling me to deliver robust, scalable, and business-driven solutions.

FlutterNode.jsAngularReact.js

Best app experts

Senior Software Engineer

May 2018 – Nov 2023 · 5 yrs 6 mos · Gurugram

Mobile & Web Application Developer | Senior Engineer (Full Stack | Flutter | Angular)
Worked in a mobile and web application development services company delivering high-quality client projects across Android, iOS, and cross-platform technologies. Over 5+ years, I progressed from a developer to a senior engineer, owning end-to-end delivery of applications across multiple industries and evolving technology stacks.
🔹 Developed native Android (Kotlin/Java) and iOS applications, delivering solutions for e-commerce, on-demand services, enterprise tools, and consumer apps
🔹 Transitioned to Flutter for cross-platform development — building and maintaining scalable apps while managing both native and Flutter codebases in parallel
🔹 Strong experience in Full Stack Development using Flutter (Frontend) and Node.js (Backend), handling complete application architecture
🔹 Hands-on experience with Angular (12+ versions), along with exposure to React.js and Next.js for modern web application development
🔹 Managed complete software development lifecycle: requirement analysis, UI/UX implementation, API integration, testing, deployment, and Play Store / App Store releases
🔹 Worked on database design (SQL & NoSQL), API architecture, and performance optimization
🔹 Exposure to cloud technologies (Google Cloud, Firebase), automation tools, and scalable backend systems
🔹 Collaborated closely with clients and cross-functional teams to deliver robust, scalable, and business-focused solutions
🔹 Built strong adaptability by working across multiple domains, tech stacks, and rapidly changing client requirements
This experience shaped my expertise in Flutter, Full Stack development, Angular, and scalable system design, enabling me to deliver versatile and high-impact solutions in a fast-paced services environment.

FlutterNode.jsAngularReact.js

Balaji solutions limited

Software Developer

Dec 2017 – Apr 2018 · 4 mos · Greater Allahabad Area

Balaji Solutions Limited | Software Developer (Early Career)
Worked at Balaji Solutions Limited, an IT hardware distribution and manufacturing company, where I contributed to building internal tools and applications to support business operations. This role provided my first hands-on experience in delivering software solutions in a professional environment.
🔹 Developed and maintained internal web applications to streamline IT distribution workflows
🔹 Built Windows-based applications using VB.NET, focusing on utility tools and process automation
🔹 Created console applications for task automation and system-level operations
🔹 Gained practical experience in software development lifecycle, debugging, and business-oriented problem solving
🔹 Collaborated with teams to understand requirements and deliver efficient technical solutions
This experience helped me build a strong foundation in both web and desktop application development, preparing me for scalable and modern software engineering practices.

VB.NETWeb Applications