Senior Full Stack Developer

5+ years backend Python

Has shipped at least one production LLM agent (tool-using, not a chat wrapper). They should be able to describe what broke and how they measured quality.

Hands-on with Claude SDK / OpenAI Assistants / LangGraph (Claude SDK preferred — your stack)

RAG in production: chunking strategy choices, hybrid search, retrieval evaluation

Vector DB experience: Qdrant, pgvector, or Pinecone

Treats prompt engineering as an engineering discipline — has eval suites, not just "vibes-based" iteration

Has built at least one system with feedback loops (not static RAG that's frozen on day one)

Strong nice-to-haves

Frappe / ERPNext experience (willingness to learn it is fine — it's quirky but documented)

Insurance, fintech, or another regulated-data domain

Telegram Bot API

Document AI: Google Vision, Textract, or layout-aware OCR

Eval frameworks: Braintrust, LangSmith, or has rolled their own

About the Company

EaseMyTrip is one of India’s leading online travel platforms, offering a wide range of travel services including flights, hotels, and holiday packages. We are driven by innovation, technology, and customer-centric solutions.

Location- Gurugram

Job Summary

We are looking for a passionate Full Stack Developer who is proficient in both front-end and back-end development. The ideal candidate will be responsible for building scalable web applications, improving performance, and collaborating with cross-functional teams to deliver seamless user experiences.

Key Responsibilities

• Develop and maintain scalable web applications from front-end to back-end
• Design responsive and user-friendly UI using modern frameworks
• Build robust APIs and integrate third-party services
• Optimize applications for maximum speed and scalability
• Collaborate with product managers, designers, and other developers
• Troubleshoot, debug, and upgrade existing systems
• Ensure code quality, security, and best practices
• 
  

Required Skills & Technologies

• Frontend: HTML, CSS, JavaScript, React.js / Angular / Vue.js
• Backend: Node.js / Java / Python
• Database: MySQL / PostgreSQL / MongoDB
• Version Control: Git
• Experience with RESTful APIs and microservices architecture
• Familiarity with cloud platforms like AWS / Azure (preferred)

Full Stack Architect

• Design overall architecture of the web based platform in the space of Analytics and Application Security.
• Maintain quality and ensure responsiveness of applications.
• Collaborate with the rest of the engineering team to design and launch new features.
• Maintain code integrity and organization.
• Experience working with graphic designers and converting designs to visual elements.
• Understanding and implementation of security and data protection.
• Highly experienced with back-end programming languages – Python with Flask
• Proficient experience using JavaScript libraries and frameworks – ReactJS, Redux
• Proficient in Non-SQL DB like Mongo
• Well versed with Cloud Engineering like AWS
• Good Understanding of Containerisation like Docker, Kubernetes
• Application Development experience for both mobile and desktop.
• Experience with cloud message APIs and usage of push notifications.
• Understands Microservices Design.
• Knowledge of code versioning tools like Bitbucket
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Comfortable working on Design documentation

Work with data scientists and analysts to improve software.

Job Purpose

We are looking for an energetic and self-starter software developer to join our product development practice as a Senior Software Engineer (SSE).

You will get to work with some of the best and knowledgeable tech talent in the financial world and you will build next generation digital services and platforms that will lead the transformation goals for our customers. You will work closely with the engineering, UX, product and test automation communities, as part of the agile team, to lead product design and development and to help the Digital Service Product Owner to deliver and maximize value.

You will drive engineering and architecture best practices for writing and encouraging others to write secure code and dev-ops process while getting opportunities for learning new business domain and topics, to work with industry SMEs and to learn new technology and behavioral skills.

Key Responsibilities

As a Full-stack Developer

• 8+ year’s professional experience in enterprise software design and development in an N-tier architecture environment;
• Understanding of 12-factor app framework is highly desirable
• Must have experience building web applications using .NET core 3.x (.NET 5.0 is better), Web API, HTML5, React OR other JS-based frameworks like Angular
• Must have experience with tools such as Jira, Github, Confluence (or other wiki), SonarQube (or similar), OWASP ZAP (or similar) and Snyk (or similar)
• Experience with data visualization libraries /framework like D3js, Plotly, HighCharts etc. will be an advantage
• Must have experience with SOA and Web Service standards (REST & JSON/SOAP & WSDL/WS-I Basic Profile), and IIS
• Understand the business requirements from the product owner(s)
• Design and implement the system from scratch & build enhancements, features request using modern application frameworks using C# and React with .NET Core, Web API, AWS services etc.
• Participate in both development & maintenance tasks
• Independently troubleshoot difficult and complex issues on production and other environments

As a Technical Lead in the pod

• Must have experience of working in an automated CI/CD environment and with fast moving teams using Scrum/Agile; Experience with AWS and other cloud providers is highly desirable
• Must have extensive experience with object oriented design principles. Ability to articulate the pros and cons of design/implementation options
• Participate in design review and peer code review
• Work collaboratively in a global setting, should be eager to learn new technologies
• Responsible for extending and maintaining existing codebase with focus on quality, re-usability, maintainability and consistency
• Coach teams on best practices and architecture design

As member of the Engineering community

• Must have extensive experience with object oriented design principles.
• Ability to articulate the pros and cons of design/implementation options
• Good understanding and knowledge of areas including but not limited to requirement gathering, designing, development, testing, maintenance, quality control etc.
• Stay up-to-date on latest developments in technology
• Learn and share learnings with the community

Behavioral Competencies

• A self-starter, excellent planner and executor and above all, a good team player
• Excellent communication skills and inter-personal skills are a must
• Must have organizational skills, including multi-task capability, priority setting and meeting deadlines
• Ability to build collaborative relationships and effectively leverage networks to mobilize resources
• Liking and initiative to learn business domain is highly desirable
• Likes dynamic and constantly evolving environment and requirements

Job Purpose

We work in the latest technology, and our foundations are data structures, algorithms, solid logical reasoning, and mathematics. We are looking for very strong engineers who love coding, optimizing, and ensuring their code is the most efficient.

You will be involved with hardcore development. If you are an assembler of code or packages from different places to build something, you may not find our team to be the right fit.

You must be someone who can build anything from the ground up. Programming language should not be any barrier for you, as you should be able to pick up any programming language or underlying technology within a week.

Key Areas of Responsibility

Core development. Ready to participate in the designing, brainstorming, and development process. You must give sleepless nights to meet deadlines whenever required.

Desired Candidate Profile

Essential Skills 

• Reliable, Accountable, and Trustworthy
• Ability to understand software requirements based on a wireframe/program specification
• Familiarity with GoLang / PHP / Python / Java / C / C++ / Linux Shell and Scripting / HTML / CSS / JS / Node.js is a plus
• Effective communication skills to ensure smooth coordination of tasks with the Team Leader.
• Knowledge of MongoDB, MySQL, and PL/SQL is a plus
• Familiarity with ML, TensorFlow, and Keras is a plus
• Knowledge of web servers such as Apache, NGNIX, and the HTTP protocol is a plus.
• Knowledge of multi-process, threads, memory, and filesystem on Linux is desirable.
• Must Solve The Following

To consider you for the current opening, please make sure to understand the following question and solve it. A simple program in any programing language would do. If you cannot solve this, please do not apply.

Write a function foo(x) where foo(foo(x)) = -x (assume x to be an integer, and foo(x) has to be always real), any programming language would do. Before submitting the answers, please verify that the output of foo(foo(10)) should be -10 and foo(foo(-10)) should be 10.

Expected Skills :-

• Knowledge/Application of data structures and algorithms.-
• Problem-solving attitude : This means when you face a problem (not necessarily technical), your natural reaction is "How can I solve it best" rather than "How can I get out of it/avoid it/overlook it"-
• Working knowledge in Java(SpringFramework) is a must.
• Working knowledge in ReactJs is a plus.- Working knowledge in Python, MongoDB is a plus.
• The founding team has extensive experience in launching and scaling up fintech products & New business verticals. The founders have rich leadership experience across Consulting, fintech and payment companies

• Proficiency with NodeJs, ES6, Express;
• Experience in Source Control (Bitbucket/GIT);
• Experience in developing and scaling B2B applications.
• Knowledge and experience with using Restful API;
• Must be able to design components to drive reusability and performance;
• Must be able to build responsive design;
• Design, develop, and maintain code that meets requirements, is high quality, and performs efficiently and effectively to provide a great customer experience;
• Write production quality and thoroughly tested code.