Fullstack Mobile Engineer (React Native + NodeJS) at superkalam · Bengaluru (Bangalore) · 1 - 4 years · ₹15L - ₹35L / yr (ESOP available) · Raised funding · Posted 5 Oct 2026

Apply here (application form): https://forms.gle/EVnJ9dPSjHg5WzqH7
SuperKalam (YC W23) is building the best AI tutor platform out of India, in the vein of Duolingo. This is a high impact role. We are eager to talk to a Mobile Engineer with an amazing sense of quality in engineering deliverables and strong ownership.
Requirements
- Ideally 2 to 4 yrs of experience building mobile apps + backend (React Native and NodeJS/NestJS)
- Strong engineering fundamentals, loves great architecture and writes scalable code
- Uses AI in workflow beyond prompting: skills, plugins, workflows, loops, agents
- Mobile: high quality UI and smooth animations; handled performance, optimized app builds, push notifications. Bonus: bridges, widgets, own libraries
- Backend: CRUD APIs, Redis, queues, caching, PostgreSQL / MySQL, rate limiting, basics of scaling and security, cloud (AWS, Azure or GCP). Bonus: Elasticsearch
- Preferred: Gen AI engineering (production AI pipelines, agentic workflows, voice agents, RAG / knowledge graphs). Bonus: Python
Responsibilities
- Build new features and initiatives across backend and the mobile app
- Deployments, performance, push notifications
- Set up tooling and run experiments: crons, automation workflows, AI tooling
- Product and design reviews
- Keep pushing the team's tech quotient with evolving technology and AI tooling
- Decide for speed to production plus quality for today
Who will thrive here: 2+ yrs in a product based startup (including internship), enjoys complex engineering and product problems, engineering mindset (scripts, automation, quick dashboards), ownership mindset and a strong individual contributor, first principle thinking and clear communication.
Compensation: 15 to 35 LPA based on experience. ESOPs for the right candidate.
Interview: resume shortlisting, 30 min intro meet, 1h 15m in-person fundamentals round (JS/TS, no DSA), 1h 15m in-person system design (LLD), optional 2-3 day fullstack mobile assignment, optional 1h 15m system design (HLD).
Location: Bengaluru. Full-time. Full JD: https://www.ycombinator.com/companies/superkalam/jobs/2gkQmXq-mobile-engineer-react-native-fullstack

About superkalam
About
We are building AI-powered learning platform for focussed and disciplined learning. We aim to solve the challenges of affordability and accessibility to great teachers in India.
SuperKalam is AI mentor for UPSC students, crafted along with UPSC toppers & experts.
Similar jobs (10)
About the Role
As a Full Stack Developer at Talentlo, you will design, build, and ship features across the entire product stack — from intuitive front-end experiences to robust back-end services. Your work will directly shape the platform that transforms how companies hire.
Apply here :(https://www.talentlo.com/jobs/full-stack-developer-talentlo-bangalore-01a1254d-071)
All applications are reviewed and processed through Talentlo. Please apply using the link above.
Responsibilities
- Design and implement scalable full-stack features using React Native, Node.js, and Python across web and mobile surfaces
- Build and maintain RESTful APIs that power seamless candidate and recruiter experiences
- Architect and optimise relational database schemas to support reliable, high-performance data access
- Collaborate with product and design teams to translate requirements into clean, maintainable code
- Write unit, integration, and end-to-end tests to ensure code quality and system reliability
- Participate actively in code reviews, contributing to engineering standards and best practices
- Troubleshoot and resolve production issues quickly, implementing lasting performance improvements
- Manage version control workflows using Git, including branching strategies and pull request reviews
- Contribute to technical documentation, architecture discussions, and sprint planning ceremonies
- Integrate third-party services and cloud infrastructure components to extend platform capabilities
Experience & qualifications
Must-have skills : React Native, Node.js and Python
Required skills : Relational Databases, REST API, Git and Full Stack Development , TypeScript and AWS
Required qualifications
Bachelor's degree in Computer Science, Engineering, or a related field — or equivalent practical experience
Preferred qualifications
Familiarity with Agile or Scrum development methodologies
Experience working in a startup or product-led engineering environment
Exposure to AI/ML integrations or data-driven product features
Opportunity. This is a rare chance to build a high-impact product from the ground up, influence the technical direction of an AI-powered hiring platform, and grow rapidly alongside a company solving a real problem at scale.
Why join us
01 Build Something That Matters Impact
Your code will directly influence how thousands of companies discover and hire talent. At Talentlo, every feature you ship has a measurable real-world effect on hiring outcomes.
02 Accelerate Your Technical Career Growth
Work across the full stack, engage with AI-driven product challenges, and grow your skills rapidly in an environment that encourages ownership and experimentation.
03 High-Ownership, Low-Bureaucracy Team Culture
Join a lean team where your ideas are heard, decisions are made quickly, and you have genuine autonomy over how you solve problems.
04 Competitive Compensation Package Compensation
We offer a market-competitive salary, performance-linked incentives, and the opportunity to share in the company's growth through an early-stage equity programme.
About Talentlo
Talentlo is an AI-powered Hiring Intelligence platform built for companies that want to make smarter, faster hiring decisions. Rather than relying solely on resumes and keyword matching, Talentlo evaluates candidate skills, experience, projects, and behavioural insights to surface the right fit for every role. The platform helps hiring teams screen candidates, rank applicants, understand candidate-job fit, and move from application to offer with confidence.
Mission & vision: Talentlo's mission is to bring intelligence to every hiring decision. The vision is a world where every company — regardless of size — has access to the same quality of hiring insight that the best teams in the world rely on.
Culture: Talentlo operates as a small, high-ownership team where engineers are trusted to make meaningful decisions. The culture values clarity over process, outcomes over activity, and continuous learning. Every team member contributes directly to the product and sees the impact of their work quickly.
ABOUT
The Persona Labs is building a new kind of social platform focused on something most social products do not explicitly optimize for: helping people become real friends.
We want to help people discover interesting people around them, find meaningful common ground, start low-pressure interactions, continue promising conversations, create shared experiences, and ultimately build real-life friendships.
DISCOVER → CURIOSITY → COMPATIBILITY → INTERACTION → UNDERSTAND → IRL EXPERIENCE → FRIENDSHIP
THE AI LAYER
Alongside the platform, we are building a proactive personal companion that learns about the user and helps them navigate this journey through personalized recommendations, suggestions, reminders and experiences.
THE OPPORTUNITY
We are looking for a Founding Product Engineer to help build the platform from the ground up. This is a 0→1 product engineering role where you work directly with the founder and engineering team to turn ambiguous product problems into working software.
You will be expected to:
Understand the problem → explore solutions → make trade-offs → design → build → ship → measure → improve.
WHAT YOU WILL BUILD & OWN
MOBILE
Onboarding, profiles, discovery, interactions, messaging, activities, and companion experiences.
SOCIAL SYSTEMS
Relationships, social graph, compatibility, and interaction flows.
BACKEND
APIs, services, authentication, notifications, and background processes.
DATA
PostgreSQL models, user/activity data, analytics, and behavioural signals.
REAL-TIME
Messaging, live interactions, notifications, and event-driven workflows.
AI-ENABLED
Recommendations, personalization, and companion-powered experiences.
INFRASTRUCTURE
Cloud deployment, CI/CD, monitoring, reliability, and cost management.
WHAT YOUR DAY-TO-DAY LOOKS LIKE
• Build and ship mobile and full-stack product features end-to-end.
• Design APIs, database models, and backend services for a social product.
• Translate ambiguous product problems into simple, reliable technical solutions.
• Make architecture and engineering trade-offs for performance, scalability, security, and cost.
• Work closely with the founder, product/design team, and Companion Intelligence engineer.
• Prototype quickly, test assumptions, and iterate based on user behaviour and product feedback.
• Own features from problem → architecture → implementation → deployment → improvement.
• Help establish engineering practices around testing, monitoring, security, and reliability.
WHO SHOULD APPLY
• Experience: 0–4 years, including exceptional fresh graduates. Strong 1–3 year engineers and experienced 3–4 year product builders are welcome.
• Fundamentals: Strong CS/software engineering fundamentals.
• Evidence of Building: We value what you have built more than the number of years on your résumé. Shipped apps, strong side projects, hackathons, internships, open source, or startup work are highly valued.
• Mindset: High ownership, curiosity, strong fundamentals, clear communication, learning velocity, and the ability to work through ambiguity.
WHAT WE LOOK FOR
MOBILE CAPABILITY
Can you build and ship a polished mobile experience?
ENGINEERING DEPTH
Do you understand why a system works, not just how to make it run?
PRODUCT JUDGMENT
Can you determine what should be built when the problem is ambiguous?
ARCHITECTURE / SYSTEMS
Can you reason across APIs, databases, services, real-time systems, scale, and cost?
SPEED OF EXECUTION
Can you move from idea → prototype → production quickly without compromising fundamentals?
AI FAMILIARITY
Do you understand how modern AI can become a useful, reliable product capability?
BUILD WITH US
You will join at a stage where many answers do not exist yet. You will not simply implement someone else’s architecture, you will help decide what the architecture and product should become.
CAREERS:
Apply with your resume, GitHub, portfolio or shipped work.
https://forms.gle/12YpUSBY2Sqs5xjp8
www.thepersonalabs.com
Role & Responsibilities:
Design and develop mobile applications using React Native.
Collaborate with cross-functional teams to define, design, and ship new features.
Ensure performance, quality, and responsiveness of applications.
Debug and fix issues, improve application performance, and maintain code quality.
Work onsite with the client team in Trichy.
Requirements:
Minimum 2 years of hands-on experience in React Native mobile app development.
Strong knowledge of JavaScript/TypeScript and mobile UI/UX principles.
Experience with REST APIs, third-party libraries, and integration.
Ability to work independently and in a team environment.
Immediate availability preferred.
📢 Hiring: React Native (Mobile Application Developer )
📍 Location: Onsite – Trichy
🕒 Experience: 2+ Years
📄 Type: Contract (Immediate Joiners Preferred)
Role & Responsibilities:
Design and develop mobile applications using React Native.
Collaborate with cross-functional teams to define, design, and ship new features.
Ensure performance, quality, and responsiveness of applications.
Debug and fix issues, improve application performance, and maintain code quality.
Work onsite with the client team in Trichy.
Requirements:
Minimum 2 years of hands-on experience in React Native mobile app development.
Strong knowledge of JavaScript/TypeScript and mobile UI/UX principles.
Experience with REST APIs, third-party libraries, and integration.
Ability to work independently and in a team environment.
Immediate availability preferred.
About Vijay Sales
Vijay Sales is a consumer electronics and appliances retailer, selling through its stores across India, its website and its app.
Our technology team builds the software the business runs on: order management, customer support automation over WhatsApp, reviews and ratings, and the dashboards our operations teams use every day.
The role
We are hiring full stack engineers who can take a feature from spec to production across React, Node.js and MongoDB.
You will work on customer-facing and internal products, often both in the same week. One sprint may be a review submission page used by customers on their phones. The next may be an API that pulls order status from our order management system for the support bot.
We are looking for engineers with 3 to 6 years of experience who are comfortable owning both the front end and the back end of what they ship.
What you'll do
- Build responsive, mobile-first interfaces in React using our in-house UI component libraries.
- Design and build REST APIs and background services in Node.js.
- Model data in MongoDB and keep queries fast as collections grow.
- Integrate with the systems the business runs on: order management, ERP, point of sale and ticketing.
- Build messaging flows over WhatsApp, email and SMS, including delivery tracking, retries and fallbacks.
- Work with the conversational AI team to expose order, invoice and support actions to the customer support bot.
- Write tests, review code and own your features in production, including monitoring and fixing what breaks.
- Work directly with product and operations teams to turn a business problem into a working release.
Our stack
React, Node.js and MongoDB are the core. Everything else in the table is what you will connect to or build alongside.
- Front end: React, with Vijay Sales' in-house UI component libraries
- Back end: Node.js services and REST APIs
- Database: MongoDB
- Messaging: WhatsApp Business, Amazon SES for email, RCS and SMS as fallback
- Conversational AI: LangChain and Rasa, behind the customer support bot
- Business systems: Order management (OMS), ERP, POS, Ticketing Systems
What we're looking for
- 3 to 6 years of professional experience building and shipping web applications.
- Strong JavaScript and TypeScript fundamentals: async patterns, the event loop, modules, error handling.
- Solid React skills: hooks, state management, component design, performance on low-end mobile devices.
- Hands-on Node.js experience: building REST APIs, authentication with JWT, role-based access, input validation.
- Working knowledge of MongoDB: schema design, indexing, aggregation pipelines.
- Experience integrating third-party APIs and webhooks, and handling their failures gracefully.
- Comfort with Git, code review, automated tests and CI/CD.
- Clear written and spoken communication. You will talk to operations and business teams, not only engineers.
Nice to have
- Experience with the WhatsApp Business API, Gupshup or similar messaging platforms.
- Exposure to LLM application development: LangChain, retrieval, tool calling, or bot frameworks such as Rasa.
- Background in retail, e-commerce or order management systems.
- Experience integrating with ERP or POS systems.
- Familiarity with AWS, Redis and message queues.
- React Native or other mobile app experience.
Why join and how to apply
- Your work reaches real customers and store teams quickly. There is very little distance between a release and the people who use it.
- You own features end to end, from the first conversation with the business team to production.
- You get hands-on exposure to conversational AI and LLM-based products alongside core full stack work.
Where You’ll Create Impact
· Build & Ship: Architect, build, and deploy production-grade iOS and Android features using React Native + TypeScript from scratch to store release.
· Pipeline Ownership: Own the full release lifecycle using Expo + EAS, managing App Store/Play Store submissions, provisioning, and CI/CD.
· Craftsmanship: Turn complex Figma designs into ultra-fast, polished components with fluid animations, backed by clean API integrations and rock-solid performance.
· Systems Thinking: Scale mobile infrastructure to handle heavy data flows, offline sync, and real-time enterprise AI features seamlessly.
What Sets You Up for Success
· 5+ years of hardcore mobile engineering experience (Android/iOS foundation, ideally within high-growth, high-intensity startups).
· Outlier Agency: High-integrity work ethic, extreme initiative, and zero need for hand-holding.
· Performance Obsession: Track record of shipping silky-smooth, high-performance apps with complex UI, animations, and tight memory management.
· Release Mastery: Deep comfort with Figma-to-code workflows and navigating the entire release cycle from local IDE to live store deployments.
· Quality Mindset: Hands-on experience with unit testing, end-to-end QA pipelines, and production monitoring.
Role Description
Software Engineer is a full-time role based in Hyderabad with Onsite work arrangement. This role involves designing, developing, and maintaining back-end services and APIs, ensuring high performance, scalability, and security across platforms. The engineer will participate in architecture discussions, code reviews, and technical decision-making, collaborating closely with product owners, QA, and cross-functional teams. Daily responsibilities include writing clean, maintainable code, troubleshooting complex issues, improving system performance, and contributing to best practices, documentation, and engineering standards. The role also includes mentoring less experienced engineers and supporting continuous improvement in development processes and tooling.
Key Requirements/Skills
4-7 years of overall experience in software development with strong expertise in building scalable web & mobile applications.
- Strong technical decision-making ability, including architecture design, technology selection and implementation of best practices.
- Front-end expertise: Strong experience in React, JavaScript, TypeScript, NextJS and building responsive and user-friendly UI/UX.
- Back-end development: Hands-on experience with Node.js, Express JS, Nest JS, RESTful APIs, API design, and server-side architecture.
- Databases : Good Hands on Exprience in both SQL(PostgreSQL Preferred) & No SQL Databases
- Gen AI Expertise: Experience in building RAG & LLM Systems, implementing AI/ML models and integrating AI-based solutions to solve business problems. Expereince with Langchain, langgraph and Vector DBs, Voice AI(STT, TTS) Models and experience in using Open AI Tools (Calude, Cursor, etc.)
- Cloud & DevOps exposure: Experience with AWS/Azure, understanding of CI/CD pipelines, and cloud-based deployments.
- Code quality & best practices: Experience in code reviews, Git version control, and ensuring maintainable and secure code.
- Team leadership: Ability to mentor developers, guide technical discussions, and collaborate across teams.
- Strong communication skills to effectively interact with technical and non-technical stakeholders.
- Experience working in high-compliance environments such as healthcare systems is a plus.
- Certifications in AWS & Other skills and technologies will be an added advantage.
Educational Qualification
- B.Tech / M.Tech in CSE/IT/AI&ML only from a recognized university/college.
Total Experience: 4+ years
Mode of Hire: Permanent
Required Skills Set (Mandatory): HTML, JavaScript, Node.js, Express.js, MongoDB, React/Next.js, AI Integration (LLMs/APIs - OpenAI, Anthropic, Gemini)
Desired Skills (Good if you have): Cloud Platforms (AWS), System Design, Application Security
What is the role all about?
We're hiring full-stack engineers who build with AI, not the traditional way. You should be fluent in modern web engineering, primarily Node.js, and just as fluent in using LLMs and AI tools (Cursor, Claude Code, and similar) to ship fast. Work that once took a month should take a week; what took a week should take a day.
The role spans a range, from architecting backends for non-trivial products like assistants and agents, to rapidly turning a requirement into a clean, customer-facing app or MVP. Be strong in at least one area, be comfortable across the system as a whole, and tell us where you're strongest so we can place you accordingly.
What will you do?
- Plan, build, and ship product features end-to-end, with AI embedded where it has the most impact.
- Integrate LLMs and AI APIs into production-grade applications.
- Use AI tools to prototype, build, and deliver at high speed without sacrificing quality.
- Design scalable APIs and data models with Node.js, Express.js, and MongoDB.
- Build responsive, performant, customer-facing interfaces with React/Next.js.
- Contribute to design discussions, code reviews, and architectural decisions.
What are we looking for?
AI leverage:
- You've shipped real things using LLMs or AI APIs and instinctively reach for AI to move faster.
- Comfortable with prompt engineering and judging AI output for production-readiness.
Engineering depth and delivery:
- Solid fundamentals: problem-solving, data structures, and how systems fit together.
- At least 2+ years across frontend (React/Next.js), APIs (Node.js/Express.js), and databases (MongoDB).
- You write clean, production-grade code and you ship.
- Knowledge of application security or ethical hacking is an advantage.
Culture
- Work with performance-oriented teams driven by ownership and passion.
- Learn to design systems for high accuracy, efficiency, and scalability.
- No strict deadlines, focus on delivering quality work.
- Meritocracy-driven, candid culture. No politics.
- Very high visibility regarding which startups and markets are exciting globally.
About Tracxn
Tracxn (Tracxn.com) is a Bangalore-based product company that provides a research and deal-sourcing platform for Venture Capital, Private Equity, Corp Dev, and professionals in the startup ecosystem.
We are a team of 800+ working professionals serving customers across the globe. Our clients include Funds such as Andreessen Horowitz, Matrix Partners, and GGV Capital, as well as Large Corporates such as Citi, Embraer & Ferrero.
Founders
- Neha Singh (ex-Sequoia, BCG | MBA - Stanford GSB)
- Abhishek Goyal (ex-Accel Partners, Amazon | BTech - IIT Kanpur)
About Technology Team
Tracxn's Technology team is 50+ members strong and growing. The technology team is subdivided into multiple smaller teams, each of which owns one or more services/components of the technology platform. Ours is a young team of motivated engineers with a minimal management structure, in which almost everyone is actively involved in technical development and design. We have a team-centric culture where ownership and responsibility for a feature or module lie with a team rather than an individual.
We work on an array of technologies, including but not limited to ReactJS, Next.js, Storybook, Webpack, Node, Mongo, AWS Lambda, Spring, Elastic Stack, MySQL, Kafka, Redis, Ansible, etc.
We value ownership, continuous learning, consistency, and discipline as a team.
Full-Stack Software Engineer | Remote
We're hiring a product-focused Full-Stack Engineer to join a small, fast-moving tech team. This is a hands-on role you'll build complete features across frontend, backend, APIs, databases, deployment, and increasingly, AI-assisted workflows.
What You'll Do:
- Build and ship full-stack features using modern JS/TypeScript, plus Java or Node.js on the backend
- Work across frontend, backend, APIs, databases, integrations, and deployment
- Apply secure engineering practices (auth, input validation, secrets, dependencies)
- Use AI tools for coding, debugging, testing, and code review
- Explore AI agents, tool calling, and MCP-based integrations
What We Need:
- 3+ years of professional software engineering experience
- Strong JS/TypeScript skills; experience with Angular or React
- Backend experience with Java, Node.js, or similar
- Comfortable with REST APIs, databases, Git, cloud environments
- Awareness of OWASP principles and application security
- Interest/experience in AI dev tools, Docker, CI/CD
Software Developer
We are looking for a skilled Developer to design, develop, test, and maintain web and mobile applications. The candidate should have experience with modern development technologies, APIs, databases, cloud platforms, Git/GitHub, and AI integration. Good problem-solving, teamwork, and communication skills are required.modern full-stack developer, a strong combination is React/Next.js + Node.js/Python + PostgreSQL/MongoDB + Git/GitHub + AWS + AI/API integration.














