Fullstack Developer (React JS, Frontend), B

We’re building the future of AI-powered sales enablement.

PitchSense AI is a flagship product within our portfolio of AI-driven Sales and Marketing solutions.

We blend conversational intelligence, generative AI, and behavioural analytics to help people master persuasion through real-time AI simulations.

Why PitchSense AI

Working here means joining a small, fast-moving team that lives at the frontier of applied AI.

You’ll:

• Build in a high-pace, high-learning environment where ideas ship fast.
• Tinker with cutting-edge AI tools, agents, and large language models (LLMs) daily.
• Prototype novel ways to combine speech, emotion, and reasoning into human-like training experiences.
• Learn across multiple domains — engineering, design, analytics, and product.
• Work directly with the founding team on problems no one has solved before.

This is not routine work — it’s an opportunity to shape entirely new experiences in human-AI interaction while growing faster than you ever have before.

Stack: Next.js · TypeScript · NestJS · Prisma · PostgreSQL · AWS · OpenAI · AISDK · AI Agents · RAG · ElevenLabs

Culture: Ownership · Velocity · Craftsmanship

SDE III / Tech Lead

Location: Gurgaon

Experience: 5+ years | Type: Full-time | Reports to: CTO

Role Overview

Be a founding technical anchor, leading architecture and mentoring the core team as we scale PitchSense AI from MVP to enterprise platform.

Responsibilities

• Design high-performance systems for real-time AI simulations and analytics.
• Lead pods spanning frontend, backend, and DevOps.
• Own architecture, data flows, and AWS deployment strategy.
• Partner closely with product and design for cross-functional delivery.
• Mentor SDE I / II engineers and set engineering standards.

Requirements

• 5+ years experience (1+ in lead/architect capacity).
• Deep expertise in TypeScript/Node.js, React/Next.js, PostgreSQL/Prisma, AWS Cloud.
• Proven record in distributed, data-intensive system design.
• Strong system design and DevOps understanding.
• Excellent leadership and collaboration skills.

Bonus

• Experience with vector databases or LLM infrastructure.
• Prior B2B SaaS scaling experience.

Developer Tools & Workflow

Every engineer and designer at PitchSense AI uses modern, AI-augmented tools to move fast and ship better.

Tools

• Cursor IDE
• Claude Code
• AWS (Lambda, ECS, RDS, S3)
• AI-based Code Reviews
• MagicPath
• Figma AI

Workflow Highlights

• Continuous deployment via GitHub Actions / AWS Pipelines.
• PR preview environments for instant testing.
• AI-driven code review loops for rapid iteration.
• Cross-disciplinary culture - work across frontend, backend, DevOps, and design.

Culture & Perks

• Ownership from day one - every role is founding-level.
• 6-day work week, Monday to Saturday.
• High-performance, meritocratic culture - growth based on impact, not tenure.
• Cross-discipline learning - explore code, design, and infrastructure alike.
• MacBook for work and premium tooling.
• Annual offsite for alignment and collaboration.
• Competitive compensation and ESOPs for core hires.
• Direct mentorship from the CTO and founding team.
• Real impact - reshape how humans learn to sell, speak, and persuade through AI.

About the company:

We are Fluxon, a product development team founded by ex-Googlers and startup founders. We offer full-cycle software development: from ideation and design to build and go-to-market. We partner with visionary companies, ranging from fast-growing startups to tech leaders like Google and Stripe, to turn bold ideas into products with the power to transform the world. 

Qualifications:

• 7+ years of industry experience in software development
• Experience leading development through the full product lifecycle, including CI/CD, testing, release management, deployment, monitoring and incident response
• Fluent in the design and implementation of scalable system architectures, data structures and algorithms, and effective development practices

About the role:

As a Staff Software Engineer at Fluxon, you'll drive the end-to-end delivery of products to market while learning, contributing, and growing in partnership with our leadership team

You'll be responsible for:

• Guiding project delivery all the way to the user, leading projects, building and iterating in a dynamic environment
• Partnering directly with clients to understand their needs, and achieve business goals
• Defining product requirements, identifying appropriate system designs and planning development in partnership with our Product and Design teams
• Supporting development of a healthy and effective engineering culture

You'll work with a diversity of technologies, including:

• Languages
• TypeScript/JavaScript, Java, .Net, Python, Golang, Rust, Ruby on Rails, Kotlin, Swift
• Frameworks
• Next.js, React, Angular, Spring, Expo, FastAPI, Django, SwiftUI
• Cloud Service Providers
• Google Cloud Platform, Amazon Web Services, Microsoft Azure
• Cloud Services
• Compute Engine, AWS Amplify, Fargate, Cloud Run
• Apache Kafka, SQS, GCP CMS
• S3, GCS
• Technologies
• AI/ML, LLMs, Crypto, SPA, Mobile apps, Architecture redesign 
• Google Gemini, OpenAI ChatGPT, Vertex AI, Anthropic Claude, Huggingface
• Databases
• Firestore(Firebase), PostgreSQL, MariaDB, BigQuery, Supabase
• Redis, Memcache

What we offer:

• Exposure to high-profile SV startups and enterprise companies
• Competitive salary
• Fully remote work with flexible hours
• Flexible paid time off
• Profit-sharing program
• Healthcare
• Parental leave, including adoption and fostering
• Gym membership and tuition reimbursement
• Hands-on career development

MERN Stack Developer

Location: Surat, Gujarat (No WFH )

Job Summary:

We are looking for a Full Stack Developer (MERN) with hands-on experience in building highly scalable, performance-driven applications. The ideal candidate should have a deep understanding of both front-end and back-end development, microservices, and database optimization for large-scale systems. You will be responsible for designing, developing, and maintaining applications that can handle high concurrency (1,000+ active users) while ensuring performance, reliability, and scalability.

This role involves working closely with cross-functional teams — including product managers, designers, and DevOps engineers — to deliver cutting-edge, enterprise-grade solutions.

Roles & Responsibilities:

• Design and develop scalable and distributed web applications using the MERN stack (MongoDB, Express.js, React/Next.js, Node.js).
• Build and optimize RESTful APIs for high-performance, concurrent environments.
• Architect and manage MongoDB databases, ensuring high availability, efficient query performance, and scalability.
• Implement queueing systems (e.g., BullMQ, RabbitMQ, Kafka, or Redis Queues) for background jobs and asynchronous processing.
• Optimize server and client performance to support real-time data updates and high concurrent user loads.
• Collaborate with DevOps to improve deployment pipelines, containerization (Docker), and cloud scalability.
• Conduct thorough testing, profiling, and debugging to identify performance bottlenecks and optimize both code and infrastructure.
• Participate in code reviews, architecture discussions, and sprint planning to ensure technical excellence and scalability across all layers.

Qualification / Requirements:

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 1 + years of hands-on experience in full-stack development using the MERN stack.
• Proven experience working on applications supporting 1,000+ concurrent users or large-scale distributed systems.
• Strong expertise in:
• Node.js (asynchronous programming, clustering, performance optimization)
• Next.js & React.js (SSR, CSR, and dynamic rendering)
• MongoDB (aggregation pipelines, indexing, schema design for scalability)
• Practical experience with message queues (BullMQ, RabbitMQ, Kafka, or Redis Streams).
• Familiarity with caching mechanisms (Redis, Memcached) to optimize performance.
• Experience with Docker and microservices-based architectures is a plus.
• Good understanding of API design, authentication mechanisms (JWT, OAuth), and security best practices.
• Experience working in Agile environments and using Git-based version control.

Nice to Have:

• Exposure to serverless computing (AWS Lambda).
• Experience with monitoring tools (New Relic, Datadog, ELK Stack).
• Knowledge of CI/CD pipelines and automated deployment workflows.
• Experience in real-time communication (WebSockets, Socket.io).

We are looking for a Node.js Lead Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

As a MERN Stack Developer / Software Architect, you will play a crucial role in the architecture, development, and leadership of our digital products. You will collaborate closely with cross-functional teams to create exceptional user experiences, while also ensuring the scalability, security, and performance of our applications.

Responsibilities:

• Architecture and Technical Leadership: Design and develop the architectural roadmap for the website and mobile app. Lead and mentor a team of 8-9 MERN Stack developers, providing technical guidance, code reviews, and best practices to ensure high-quality solutions.
• Full Stack Development: Hands-on contribution to the development of complex features and functionalities using the MERN (MongoDB, Express.js, React, Node.js ) stack. Implement robust and maintainable code that aligns with industry standards.
• Scalability and Performance: Collaborate with the team to optimize application performance, ensuring that the platform can handle increased traffic and usage while maintaining a seamless user experience.
• Code Quality and Best Practices: Enforce coding standards, conduct regular code reviews, and implement best practices for software development. Ensure that the team follows coding, testing, and documentation standards consistently.
• Technical Evaluation: Evaluate and adopt new technologies, tools, and frameworks that can enhance the development process and overall product quality.
• Collaboration: Work closely with Product Managers, Designers, and other stakeholders to translate business requirements into technical solutions. Collaborate effectively with cross-functional teams to deliver on time and within scope.
• Problem Solving: Troubleshoot complex technical issues and provide innovative solutions to challenges that may arise during the development lifecycle.
• Continuous Learning: Stay updated with the latest trends, technologies, and best practices in the MERN stack and software architecture domain. Share knowledge and promote a culture of learning within the team.

Requirements:

• Bachelor's degree in Computer Science, Engineering, or related field. Master's degree is a plus.
• 7-10 years of professional experience in software development, with a strong focus on MERN stack development.
• Proven experience in designing and implementing scalable, high-performance web applications and mobile apps.
• Solid understanding of software architecture principles and design patterns.
• Previous experience in a leadership or technical mentorship role.
• Strong proficiency in MongoDB, Express.js, React, and Node.js .
• Experience with cloud platforms (e. g., AWS, Azure) and DevOps practices.
• Excellent problem-solving skills and a proactive attitude towards addressing challenges.
• Effective communication and collaboration skills.
• Prior experience in the health and wellness industry is a plus.

• BTech, BE, BS degree in Computer Science, a similar technical field of study, or equivalent practical experience.
• 6+ years experience in web and software development.

• 3+ years of experience with the microservices architecture.
• At least 1 year of experience in leading a team.
• Demonstrated experience in Node, Mongo, Python2/3, Express, ReactJS.
• Experience with testing frameworks like Mocha, Jest, Jasmine etc.
• Experience with asynchronous messaging using RabbitMQ/Apache Kafka.
• Ability to work independently and multi-task effectively.
• Flexible and willing to accept a change in priorities as necessary.
• Strong attention to detail.

Design and build applications, bug fixing and improving application performance.

• Delegate tasks and achieve daily, weekly, and monthly goals.
• Enforce processes to improve productivity of the team.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work on continuously discovering, evaluating, and implementing new technologies to maximize

development efficiency.

Position: Founding Engineer (SDE)

Location: Remote

Do you have a passion for developing cutting-edge software? Do you thrive in the innovative atmosphere of a startup? If coding is your art, and you have the prowess to turn problems into sophisticated solutions, then we're looking for you!

We are an early-stage startup working on re-defining how businesses in India approach accounting.

The Role:

• Dive deep into coding challenges, transforming ideas into groundbreaking software solutions.
• Play a pivotal role in our startup's journey, working closely with a dynamic team to develop the next big thing.
• See the immediate impact of your work in a rapidly-growing company.
• 
  

What We're Looking For:

• Experience: Minimum 2 years in software development.
• Problem Solvers: Ability to take on a challenge, break it down, and deliver an end-to-end solution.
• Team Player: Collaborative mindset to work seamlessly with cross-functional teams.
• Fast Learner: Adaptability in a rapidly changing environment

Nice to Have:

• Victories in hackathons or coding challenges, showcasing your ability to innovate under pressure.

Why Join Us?

• Be at the forefront of our exciting journey, where your contributions directly shape our success.
• Collaborative and open culture – your insights and expertise won't just be appreciated; they'll be celebrated!
• Opportunities for rapid growth, professional development, and unique challenges.
• Competitive, class-leading compensation

CTC: 25-40LPA based on experience

Are you a champion in your domain, driven by a passion for development, eager to kickstart your career in Full Stack Engineer, and hungry for a new and exciting challenge? Look no further! At Argon-Quber, we are on a mission to revolutionize the tech industry, and we are seeking exceptional Full Stack Engineer Inters like you to join our elite team.

We pride ourselves on being a hub of innovation, where cutting-edge technologies and groundbreaking ideas converge. As a Full Stack Engineer Intern, you will be at the forefront of this revolution, pushing the boundaries of what is possible and shaping the future of software development.

Job Description:

We are seeking a highly skilled and motivated Full Stack Engineer Intern with 0-1 years of experience to join our dynamic team. As a Full Stack Engineer Intern, you will be responsible for learning, developing and maintaining both front-end and back-end applications. You will collaborate with cross-functional teams to design, develop, and implement cutting-edge solutions.

What You Will Do:

• Collaborate with stakeholders and end-users to gather feedback and iterate on product features to ensure an exceptional user experience.
• Design, develop, and deploy scalable and secure full stack applications.
• Collaborate with UI/UX designers and product managers to translate wireframes and prototypes into functional web applications.
• Develop and maintain server-side logic using modern programming languages and frameworks.
• Build efficient and reusable front-end components and libraries.
• Implement responsive and mobile-friendly user interfaces.
• Integrate third-party APIs and services to enhance application functionality.
• Ensure high-performance and availability of applications through code optimization and thorough testing.
• Debug and resolve technical issues reported by clients or stakeholders.
• Stay up-to-date with emerging technologies, industry trends, and best practices in web development.
• Participate in code reviews and provide constructive feedback to peers.
• Collaborate with a diverse team of developers, designers, and product managers to create innovative and user-friendly web applications.
• Participate in the entire software development lifecycle, from requirements gathering and design to development, testing, and deployment.
• Contribute to the architecture and technical decisions of our projects, leveraging your expertise to drive technical excellence.
• Continuously improve your skills and stay updated on the latest technologies, frameworks, and best practices in full stack development.
• Embrace agile methodologies and actively participate in sprint planning, stand-ups, and retrospectives to ensure successful project delivery.
• Take ownership of your work and deliver high-quality code that is scalable, efficient, and maintainable.
• Be a problem solver and find creative solutions to overcome challenges encountered during the development process.

What we're looking for:

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 0-1 years of professional experience as a Full Stack Developer.
• Proficiency in front-end development technologies such as HTML, CSS, JavaScript (ES6+), and modern front-end frameworks like React, Angular, or Vue.js.
• Strong understanding of server-side languages like Node.js, Python, or Ruby, and related frameworks such as Express, Django, or Ruby on Rails.
• Experience with relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, Redis).
• Familiarity with version control systems (e.g., Git) and Agile development methodologies.
• Knowledge of cloud platforms such as AWS, Azure, or Google Cloud.
• Solid understanding of RESTful APIs and the ability to integrate them into applications.
• Experience with testing frameworks (e.g., Jest, Jasmine, PyTest) and writing unit tests.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration skills to work effectively in a team environment.
• Ability to handle multiple projects and prioritize tasks effectively.
• Preferred candidate is to be in Bangalore location.
• Experience with containerization technologies (e.g., Docker, Kubernetes).
• Knowledge of serverless architecture and deployment (e.g., AWS Lambda, Azure Functions).
• Familiarity with DevOps practices and CI/CD pipelines.
• Understanding of GraphQL and related frameworks (e.g., Apollo).
• Knowledge of TypeScript for both front-end and back-end development.

Duration:

This is a paid internship position for a duration of 6 months. The starting date will be determined based on the availability of the selected candidate.

Here's why Argon-Quber is the ultimate destination for top-tier Engineers:

• Innovation is Our DNA: At Argon-Quber, we thrive on innovation and embrace disruptive technologies. Join our team and be a part of our relentless pursuit of groundbreaking solutions that redefine industry standards.
• Empowerment and Autonomy: We believe in empowering our developers to take ownership of their work. At Argon-Quber, you will have the autonomy to make strategic decisions, influence the architectural direction, and unleash your full potential.
• World-Class Team: Join forces with a team of brilliant minds, industry experts, and thought leaders who share a common goal: to create exceptional software solutions. Collaborate, learn from each other, and be inspired by the collective brilliance that surrounds you.
• Unparalleled Growth Opportunities: We are committed to your professional growth. Whether you aspire to become a technical guru, a team lead, or even venture into management, Argon-Quber provides you with the resources, mentorship, and support needed to climb the career ladder.
• Impact at Scale: Your work at Argon-Quber will reach millions of users, transforming industries and improving lives. You will have the opportunity to create solutions that leave a lasting impact, disrupt markets, and shape the digital landscape.
• Culture of Excellence: At Argon-Quber, we foster a culture of excellence where only the best is accepted. We celebrate achievements, recognize exceptional talent, and create an environment where your brilliance is acknowledged and rewarded.
• Work Hard, Party Harder: We believe that a healthy work-life balance leads to increased creativity and productivity. Enjoy a flexible work environment, social events, team outings, and a supportive atmosphere that values your well-being.

Location:

This position is based in Bangalore, India. Please only apply if you are currently residing in or willing to relocate to Bangalore.

If you are ready to unleash your true potential, work on game-changing projects, and be a part of Argon-Quber, an organization that will empower you to achieve greatness, then look no further.

• Join us in shaping the future of technology and revolutionizing the way the world experiences software. Apply now and embark on an extraordinary journey at Argon-Quber where your skills will be honed, your creativity will thrive, and your impact will be unmatched. Let's build the future together!

Professional development experience, working the Full stack on large scale B2B, SaaS products. • Expertise with learning new technologies and strong experience with our tech stack AngularJS, JavaScript, Node.js, Go, React.js and Postgres. • Bachelor’sin Computer Scienceorsolid knowledgeof CS fundamentals(OOP, designpatterns, algorithms, etc...) • Experience and adesire towork in a fast-paced environment. • We are a leading cloud-based open platform used by some of the most prestigious companies around • You will get to work with some of the most complex technologies on the market today • You will have an opportunity to work at all levels of the organization.

Skills

• 3 to 7 Years of experience in Full Stack Technologies-  Express, Lambda, SQL, React, Node JS, Java
• Knowledge of web framework.
• Able to create database schemes that represent and support business processes
• Having a Start-Up experience is a plus
• Having a degree from Premier Engineering Institute is a plus

KRA 

• Work collaboratively in architecture/developing/maintaining solutions Design, efficient, testable, reusable, reliable, and clean code using best software development practices
• Contribute towards the entire development life cycle of analysis, design, implementation and test
• Integration of user-facing elements with server-side logic
• Automation, including writing unit and integration tests
• Maintain high standards of quality for code technical documentation, and deliverable
• Detect, report, investigate, and fix product defects
• Stay abreast of emerging technologies/industry trends
• Ability to learn a lot quickly
• Be active in the community by participating in meetups and conferences
• Participate in brainstorming and idea generation activities.

What Makes You A Great Fit

• Ability to communicate clear timelines and the ability to over achieve them
• Fast Learner, very good interpersonal skills, positive attitude
• Ability to pick something new and learn it fast whatever way possible

Location : 

 As Grip is a company started during the Covid-19 Era we believe in working from wherever you want and meeting you virtually every now and then.  

About the compnay : Grip:

GRIP is an online fintech company aimed at providing a convenient, hassle free investment experience through investing in physical assets. The company kickstarted its journey in 2019 and was founded by Nikhil Aggarwal, who previously served as the COO of Chalo and Vice President of Morgan Stanley. He also worked for the World Bank.

The leasing industry in India remains largely unexplored and GRIP's objective is to make retail investors aware of it as an investment option. Through GRIP, one can invest in physical assets leased to corporates and earn stable monthly returns. The proposition is not as volatile as the share market and the returns are extremely healthy. GRIP focuses on the employed upper-middle class spectrum and aims to provide an effective alternative to these investors.

Why Grip :

While we offer competitive cash compensation along with ESOPs to participate in our long-term growth, the real upside is simply the challenge ahead and the awesome, friendly team by your side. And an opportunity to learn and grow at a breakneck speed as we redefine the contours of finance for Investors in India.