Fullstack Engineer - Y Combinator Travel / Airline SaaS

Design and develop scalable web applications using MEAN/MERN stack.

Build & optimize AI/LLM workflows using LangChain or LangGraph.

Implement vector storage & semantic search using FAISS / Pinecone / Chroma / Milvus.

Build APIs, microservices, and integration layers.

Optimize application performance and ensure code quality.

Collaborate with cross-functional teams (product, design, backend, DevOps).

Must-Have Skills

• Strong experience in Node.js, Express.js, MongoDB, and Angular/React.
• Hands-on experience in LLM apps, RAG pipelines, Vector Databases.
• Practical knowledge of LangChain / LangGraph.
• Experience with REST APIs, authentication, and integrations.
• Solid understanding of Git, CI/CD, and cloud platforms (AWS/Azure/GCP).

About the Role: We’re looking for a Full-Stack Developer who is comfortable working across both web and mobile platforms to join our growing tech team. You will be responsible for developing user-facing applications, building scalable backend services, and deploying high-quality digital experiences that impact real users. This is an exciting opportunity to work in a dynamic startup environment, where you’ll play a critical role in shaping both product and technology. You’ll collaborate closely with our design, backend, and product teams to develop and maintain new features across our platforms. We’re not just looking for a coder - we’re looking for someone passionate about solving problems, learning fast, and building user-first experiences across devices.

Responsibilities: Web Development Develop responsive web interfaces using React.js, JavaScript, HTML, and CSS. Optimize frontend performance for mobile and desktop platforms. Work closely with UI/UX designers to implement intuitive user experiences. Mobile App Development Build and maintain cross-platform mobile apps using React Native (or Flutter, if applicable). Ensure smooth user experience and performance across Android and iOS devices. Manage versioning, updates, and publishing to Play Store and App Store. Backend Development Develop and maintain backend APIs using Node.js and Express.js. Integrate with MongoDB / MySQL databases for data persistence. Work with third-party APIs and handle authentication, authorization, etc. DevOps & Deployment Handle app deployment pipelines and basic CI/CD workflows. Monitor, debug, and resolve production issues. Use Git and version control best practices for code collaboration.

Bonus Skills (Nice to Have): Experience with TypeScript, Firebase, AWS, or Expo Familiarity with push notifications, in-app purchases, etc. Basic knowledge of server-side rendering or Next.js Experience with analytics, performance monitoring, or testing frameworks

Lead Developer (Kochin)

Opportunity in this role / Why should you work with us?

- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt

- Work with one of India's leading foodtech unicorn company

- ESOPs in the company

Requirements

- Strong coding and problem-solving skills

- 6-10years of industry experience

- Bachelors and/or master’s degree, preferably in CS, or equivalent experience

- A full-stack generalist with experience in both front-end and back-end technologies

- Experience in Java.

- Experience in JavaScript frameworks like Angular, React, NodeJS or Kotlin

- Ability to write MySQL queries across tables

- Good architecture and system design skills

Roles and Responsibilities

Passion for delivering products end-to-end, from ideation to implementation

Good knowledge of data structures and their use cases (Map, List, Tuple, Object, Interface)

Ability to write using python, perl, bash or node.js to quickly do a PoC

Knowledge of encapsulation/inheritance

Basic knowledge of CSS and principle behind it and its use in javascript or jquery

Candidates willing to relocate to Middle East would be preferred

You will leverage your technical expertise to drive the development of our website, property manager tools.

What are we looking for?

• 2+ years of experience
• Excellent in cross-browser web development using Python/Django.
• Really good understanding of HTML, CSS, Jquery
• Strong database concepts 
• Experience with DevOps practices and platforms (AWS, Fabric, Apache/Linux etc)
• Really good UX/UI sense
• Experience with caching technologies, NoSql databases
• Leadership skills, ability to handle, mentor junior developers
• Prior startup experience is a plus

What you will be doing?

• Develop high-volume, low-latency global products
• Take ownership of all web based product feature enhancements
• Ability to work on multiple projects at a time
• Work with product/design team to come up with an awesome product design/workflow
• Write well designed, testable, efficient, reusable code. 
• Investigate and present technology solutions and contribute to architectural improvements
• Mentor/Lead junior developers

• Bring in a "can-do" attitude
• Passion towards technology and software engineering - open source, pet projects, conference talks, getting better at writing clean code.
• Participate in a highly fluid environment applying agile software development principles.
• Carry out unit tests and other quality control mechanisms to inform and validate the designs and code
• Work with product owner/BAs to bring an end to end perspective of the problem.
• Ability to ask the right questions and communicate your ideas with clarity.
• Ability to collaborate with various stakeholders and take complete ownership.
• Participate actively in building one of the most impactful organizations in retail technology.

• Quickly adapt to our startup environment which is both demanding and fast-paced (but is also a lot of fun).
• Eager in learning new concepts, technologies and be productive in short time.
• Convert a raw idea into usable real-life software products Write modular, readable and maintainable code.
• Good understanding and working knowledge of technologies worked.
• Demonstrate good problem solving skills
• Own and be able to manage a small to medium sized modules.
• Demonstrate ability to guide and coach a new team member or fresher.