React Native Developer

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

Job Description

Who are we?

Interestingly, in our own corner of the world, a hardworking team bent on hyper-excellence has quietly built a new way of medicine, a platform built on science, story, and soul.

Think of Amura as a "hospital on the cloud." We help people achieve the best standard of health they possibly can, taking full responsibility for their journey. We're a team of curious, ambitious individuals across all fields of work. Here, Doctors work alongside health coaches, designers, engineers, writers, and even filmmakers.

A cloud can reach anywhere and so can we. Our patients are from all over the world, and we are changing lives globally from your new home in Chennai. Over the last 8 years we have helped tens of thousands of people live better lives across 45 countries. 

Role Overview

We are looking for a hands-on Senior Software Engineer - Mobile to build and scale high-quality mobile experiences at Amura Health.

You will work primarily with React Native across both Android and iOS, partnering closely with Product, Design and Backend teams to build reliable, performant and user-friendly applications.

This role is ideal for an engineer who takes ownership, solves problems independently and uses AI-assisted development to build, test, debug and ship software faster without compromising engineering quality. 

What you'll do :

● Build, enhance and maintain React Native applications for both Android and iOS.

● Build features involving APIs, real-time updates, chat, notifications, local storage and data synchronisation.

● Develop scalable and maintainable mobile architecture with strong focus on performance, reliability and code quality.

● Develop scalable and maintainable mobile architecture with strong focus on performance, reliability and code quality.

● Work closely with Product, Design and Backend teams to translate requirements into simple, effective mobile experiences. 

● Diagnose and resolve performance issues, crashes, bugs and production problems.

● Implement secure handling of user data, authentication and API communication.

● Write unit, integration and UI tests and contribute to reliable release processes.

● Own features end-to-end, from understanding requirements and development through testing, release and iteration.

● Use AI coding tools to accelerate development, debugging, testing, code reviews and technical problem-solving.

● Proactively identify technical challenges and recommend practical solutions. 

What We're Looking For :

● 5 to 6 years of hands-on mobile application development experience.

● Strong professional experience with React Native and TypeScript.

● Mandatory: Experience building and maintaining applications for both Android and iOS.

● Strong understanding of React Native architecture, mobile app lifecycle, state management, API integration and performance optimisation.

● Experience working with REST APIs, authentication, local storage, push notifications and asynchronous data flows.

● Experience debugging and resolving Android/iOS-specific issues and production bugs.

● Good understanding of mobile security, data handling and secure API communication.

● Experience using AI-assisted development tools such as Cursor, Claude Code, GitHub Copilot or similar to improve engineering productivity.

● Strong problem-solving skills with the ability to independently own and deliver features.

● Good product thinking and attention to detail. 

Good to Have :

● Experience with chat, voice, video or real-time communication features.

● Experience building AI-powered mobile experiences or integrating AI/LLM-based features.

● Experience with mobile analytics, crash monitoring and performance monitoring.

● Familiarity with CI/CD and automated mobile releases.

● Experience working on healthtech, consumer apps or products handling sensitive user data. 

We are looking for a Senior Full-Stack Developer with strong experience in modern web and mobile application development.

Requirements:

* 4+ years of full-stack development experience

* Strong Node.js, TypeScript and React.js

* Hands-on React Native experience

* Strong PostgreSQL, Redis and REST API knowledge

* Experience with WebSockets and real-time systems

* Good knowledge of AWS, Docker and CI/CD

* Experience with third-party API integrations

* Strong understanding of scalable architecture and application security

* Experience with GPS/geolocation or real-time applications is a plus

* Strong problem-solving and debugging skills

* Ability to work independently and deliver within tight timelines

* Experience taking applications from development to production

Preferred: Experience in taxi, logistics, delivery, marketplace or booking platforms.

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.

Senior React Native Engineer (iOS & Android)

Location: Bangalore, India | Full-Time, In-Office

Salary: ₹28–38 LPA (based on experience and technical expertise)

About Guidesly

Guidesly is a US-based technology startup transforming the outdoor recreation industry, with a growing focus on scuba diving and fishing. We're building AI-powered technology that helps dive shops, fishing guides, and outdoor businesses manage operations, connect with customers, and grow bookings.

Our engineering team works across India and the US, building products that directly impact how outdoor businesses operate and grow.

About the Role

We're looking for a Senior React Native Engineer to take ownership of our iOS and Android mobile applications. This is a hands-on engineering role with the opportunity to influence technical decisions, improve development practices, and help shape the future of our mobile products.

You'll collaborate with our Product, Design, Backend, and Engineering teams to build scalable, reliable mobile experiences. We're looking for someone who can independently solve complex problems, deliver production-quality code, and leverage AI tools to work smarter and faster.

What You'll Do

• Build, maintain, and optimize React Native applications for iOS and Android.
• Own features from architecture and development through testing, deployment, and release.
• Develop native integrations and troubleshoot complex mobile performance issues.
• Use AI coding tools to accelerate development, debugging, testing, and code quality.
• Contribute to technical architecture, code reviews, and engineering best practices.
• Collaborate with cross-functional teams and mentor less-experienced developers.

What We're Looking For

• 8+ years of software development experience, including 5+ years of hands-on React Native development.
• Strong proficiency in React Native, React.js, TypeScript, and JavaScript.
• Experience with native iOS (Swift/Objective-C) and Android (Kotlin/Java) integrations.
• Experience with React Native New Architecture, native modules, and performance optimization.
• Proven experience releasing and maintaining production apps on both the Apple App Store and Google Play Store.
• Demonstrated expertise using AI coding tools such as Cursor, Claude Code, or GitHub Copilot in daily development.
• Experience with REST APIs, Git, automated testing, and mobile CI/CD workflows.
• Strong communication skills, technical judgment, and ability to independently own complex features.

Nice to Have

• Experience with offline-first mobile applications, geolocation, maps, and payment integrations.
• Experience integrating AI/LLM-powered features into mobile applications.
• Familiarity with Firebase, AWS, Node.js, or PostgreSQL.
• Experience mentoring engineers or contributing to technical leadership in a startup environment.

Why Join Guidesly?

• Real Ownership: Take ownership of mobile features and influence technical decisions.
• AI-Forward Engineering: Work in an environment that embraces AI-assisted development and modern engineering practices.
• Global Collaboration: Work alongside engineering and product teams across India and the US.
• Meaningful Impact: Build technology supporting a growing network of scuba diving and fishing businesses.

Our Hiring Process

We value demonstrated technical ability over resume keywords. Candidates should be prepared to:

1. Share links to published mobile applications they've helped build.
2. Walk through a complex technical challenge or production issue they've personally resolved.
3. Complete a practical React Native assessment focused on real-world engineering skills.

* Design, develop, and maintain responsive websites and web applications.

* Build reusable frontend components using React.js.

* Develop scalable backend APIs and services using Node.js.

* Integrate third-party services and payment gateways such as Stripe.

* Build RESTful APIs and integrate with modern databases.

* Optimize applications for maximum speed, scalability, and SEO.

* Collaborate with designers to translate Figma/UI designs into pixel-perfect interfaces.

* Implement authentication, authorization, and security best practices.

* Debug production issues and improve application performance.

* Participate in code reviews and mentor junior developers.

* Work within Agile/Scrum development processes.

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. 

Mobile Application Development

Required Skills

- Strong experience in React Native or Flutter.

- Experience developing and maintaining production-level mobile applications.

- Knowledge of state management, application lifecycle management, and navigation frameworks.

- Experience integrating device features such as microphone, camera, notifications, and background services.

- Strong understanding of REST APIs, WebSockets, and secure authentication systems.

- Experience publishing applications on Google Play Store and Apple App Store.

- Ability to optimize performance, troubleshoot issues, and maintain code quality.

Responsibilities

- Design and develop AI-powered features for the Ziqra platform.

- Build and maintain high-quality cross-platform mobile applications.

- Integrate speech, video, and AI technologies into user-facing products.

- Collaborate closely with founders and product teams.

- Participate in architecture discussions and technical decision-making.

- Ensure scalability, security, and performance of applications.

What We Offer

- Competitive monthly stipend.

- Opportunity to work directly with founders.

- Flexible and remote-friendly work environment.

- Ownership of impactful product features.

- Potential opportunity for long-term growth and early equity discussions.

About the role

You'll own React Native development at the company. You'll lead our mobile app from architecture through to App Store and Play Store releases, and you'll mentor a Junior React Native Developer. You'll work closely with the Backend team on APIs and integrations, so clear communication across teams is essential.

What you'll do

• Own the architecture, code quality and technical direction of our React Native (Expo) apps.
• Build and maintain high-quality, performant features for iOS and Android.
• Manage the full release cycle: builds, signing, versioning, OTA updates, store submissions, and handling review feedback.
• Work with the Backend team to define API contracts, data needs and integration approaches.
• Mentor the Junior React Native Developer through code reviews, pairing and guidance along with the TPM.
• Work with Design to turn designs into polished mobile experiences.
• Take part in the senior on-call rotation, including international paging.

What we're looking for

• 6+ years of mobile development, with 3+ years of hands-on React Native work.
• Strong TypeScript/JavaScript and solid knowledge of React.
• Proven experience shipping and maintaining apps on both the Apple App Store and Google Play Store.
• Experience with Expo and EAS (Expo Application Services), native modules, push notifications, deep linking, and performance tuning.
• Solid understanding of REST/GraphQL APIs, authentication and state management.
• Experience leading or mentoring other developers.
• Excellent communication skills. You should be able to discuss requirements and trade-offs clearly with backend, web and design teams.
• Experience working with AI tools for development, and a willingness to integrate AI into the SDLC

Note: Full-stack experience is a strong plus but not mandatory. If you're an excellent mobile specialist who works well with backend engineers, we want to hear from you.

Nice to have

• Backend experience with Django.
• Experience with Next.js or sharing code between web and mobile.
• Experience with app analytics and crash monitoring tools (for example Sentry or PostHog).

About the Role

SwitchKart is on a mission to make technology more accessible and more sustainable — we're in the business of recommerce, giving old smartphones a second life, cutting down e-waste, and extending the lifecycle of every device we touch.

We're looking for a Senior Full Stack Developer to help us build and scale the ecosystem of platforms powering this mission — from our procurement app to our retailer app, pricing engines, and warranty systems. You'll take ownership of complex features end-to-end, mentor junior engineers, and make architectural decisions that shape how we grow.

What You'll Do

• Own Features End-to-End: Design, build, and ship full stack features across our procurement, retailer, pricing, and warranty platforms — from database schema to UI polish.

• Drive Architecture: Make key technical decisions on system design, scalability, and code structure as our ecosystem of apps grows.

• Build AI-First: Design and build systems with AI at the core — not bolted on. Think about where AI can automate, assist, or enhance the products you're building from day one.

• Build Scalable Architecture: Build and monitor a highly performant, failure-resistant platform — we take pride in doing this with a small, high-ownership team.

• Automate and Integrate: Develop tools that automate our integration processes and build data pipelines across our app ecosystem.

• Foster Technical Excellence: Champion unit and integration testing and lead meaningful code reviews across the team.

• Prototype and Validate: Create interactive prototypes to prove out technical concepts and participate in pilots for new initiatives.

• Mentor the Team: Guide junior developers through code reviews, pairing, and technical direction.

• Report Upward: Provide regular updates to management on milestones, risks, issues, and mitigation plans.

• Collaborate Cross-Functionally: Work closely with product and design to translate requirements into robust technical solutions across multiple products.

What We're Looking For

Must Have

• 4+ years of full stack development experience

• Strong proficiency in React and Node.js

• Solid experience with PostgreSQL or MySQL — schema design, query optimisation

• Experience designing and scaling production systems

• Experience deploying and managing applications on a cloud platform (AWS/GCP or similar)

• Comfortable owning a feature from concept to deployment

• Strong debugging and problem-solving skills

Good to Have

• Experience mentoring or leading junior engineers

• Track record of driving scalability and time-to-market in past cloud architecture decisions

• Exposure to CI/CD pipelines

• Experience with Docker, NoSQL databases, or distributed caching

• Experience integrating third-party REST/SOAP APIs

• Experience in a fast-moving startup environment

Why SwitchKart

• Real ownership over architecture and technical direction.

• Access to the latest AI coding agents and tools — we invest in keeping our engineers on the cutting edge.

• Work on a genuinely differentiated business with measurable impact.

• Be part of a lean team where your decisions shape the product.

• Opportunity to mentor and grow the engineering team.