Senior Full Stack Application Developer

Booking.com is hiring a Senior Full Stack Application Developer in Bengaluru, India. Level rates it ; you can apply on Booking.com.

Level's read on this job

Level rates this role Uses AI ●●○○: an ordinary role that requires AI tools.
The posting mentions OpenAI, RAG and AI automation among its tools and skills.
Level classes it as a senior role.
Booking.com has 133 other open roles on Level.

AI in this role

openai

ragai-automation

We are looking for a highly experienced Senior Full Stack Application Developer who combines strong expertise in SAP ABAP, SAP Business Technology Platform (BTP), modern open-source technologies, and Artificial Intelligence (AI)/Generative AI.

Key Responsibilities

Design, develop, enhance, and maintain enterprise applications using SAP ABAP and Object-Oriented ABAP.
Translate business and functional requirements into scalable, secure, maintainable technical architectures.
Work with SAP CAP, SAP Integration Suite, SAP HANA Cloud, SAP Build, Cloud Foundry and/or Kyma.
Develop side-by-side extensions for SAP S/4HANA using BTP
Architect modern full-stack applications using technologies such as React, Angular, TypeScript, Node.js, Java, and Python.
Define frontend, backend, API, database, and integration architectures.
Design RESTful APIs, microservices, event-driven architectures, and cloud-native applications.

Identify and implement practical AI/Generative AI use cases within SAP and enterprise applications.
Develop applications that leverage LLMs, Generative AI, conversational AI, and intelligent automation.
Work with technologies such as SAP AI Core / AI Foundation, SAP Generative AI Hub, Joule, OpenAI or other LLM APIs.
Design and implement RAG (Retrieval-Augmented Generation) solutions where appropriate.
Integrate AI capabilities into SAP and non-SAP business processes.
Evaluate AI solutions for scalability, security, data privacy, performance, and enterprise readiness.
Stay current with emerging AI technologies and identify opportunities to improve application development and business processes through AI.

Work with Docker, Kubernetes, CI/CD, Git, and DevOps practices.
Exposure to AWS, Microsoft Azure, or Google Cloud is an advantage.

Architecture & Technical Leadership

Participate in application architecture and technical solution design.
Translate business requirements into scalable technical solutions.
Conduct code reviews and ensure adherence to coding and architectural standards.
Mentor junior and mid-level developers.
Provide technical guidance on SAP modernization, BTP, full-stack development, and AI adoption.
Work closely with solution architects, functional consultants, product owners, business analysts, DevOps teams, and other engineering teams.

Required Technical Skills

12+ years of professional software development experience.
Strong hands-on experience in SAP ABAP.
Good experience with SAP S/4HANA.
Experience with SAP BTP.
Experience developing REST/OData APIs and integrations.
Strong full-stack development experience.
Hands-on experience with at least one modern frontend framework such as React or Angular.
Hands-on experience with Node.js, Java, Python, or similar backend technologies.
Strong knowledge of JavaScript/TypeScript.
Good understanding of databases and SQL.
Experience with Git, CI/CD, testing, and Agile development.
Practical understanding of AI/Generative AI and LLM-based application development.
Strong analytical, problem-solving, and debugging skills.
Strong communication and collaboration skills.
Ability to work independently and take ownership of technical deliverables.
Strong architecture and problem-solving mindset.
Ability to work across SAP and non-SAP/open-source environments.
Ability to understand business problems and translate them into technical solutions.
Strong focus on code quality, security, scalability, and maintainability.
Passion for learning and adopting emerging technologies, particularly AI and cloud technologies.
Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related discipline. Equivalent professional experience may be considered.

Pre-Employment Screening

If your application is successful, your personal data may be used for a pre-employment screening check by a third party as permitted by applicable law. Depending on the vacancy and applicable law, a pre-employment screening may include employment history, education and other information (such as media information) that may be necessary for determining your qualifications and suitability for the position.

How we rate this

Senior Full Stack Application Developer at Booking.com rates 47 out of 100 for how much of the daily work is AI. That makes it Uses AI (AI Level 2 of 4). The level is about AI in the job, not seniority.

Classification

Uses AI. An ordinary role that requires AI tools.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Key facts

Senior Full Stack Application Developer is an open job at Booking.com.
Level rates this role AI Level 2 of 4: Uses AI.
The role is based in Bangalore, India.
The job was posted on October 15, 2026.
Seniority: senior.
Applications are handled by Booking.com. Apply on Booking.com

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

RAGAI AutomationOpenAI

Questions you could be asked

How would you design a retrieval step so the model answers from real data instead of guessing?
Tell me about a workflow you automated with AI tools, end to end.
What are the limits of OpenAI that you've run into, and how did you work around them?
This role expects you to use AI tools as part of the job. Which ones have you used, and for what?
Tell me about a time an AI tool got something wrong. How did you catch it?

Adapt your resume

List these exact terms on your resume: RAG, AI Automation, and OpenAI. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
Put the AI tool in a bullet point about what you did, not just in a skills list. This role treats it as a required part of the job.

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