01
TRCD-26-06748
Java + React + AI Full Stack Developer
This contract role is for a senior full-stack developer building scalable enterprise applications, microservices, and AI-enabled solutions. The core requirements are Java, Spring Boot, Python, React.js, JavaScript/TypeScript, REST APIs, and AI/GenAI, including LLM, RAG, semantic search, and agentic AI concepts. SQL/NoSQL databases, Kafka, Elasticsearch, cloud-native deployments, CI/CD, and performance optimization are also relevant to the work and are treated as supporting skills. The job description specifies 7+ years of experience, while the structured input gives a 4–9 year range; this discrepancy should be confirmed during screening. The location is Kolkata and the employment type is contract; work mode is not specified.
Position summary
- Location
- India
- Workplace
- On-site
- Employment
- Contract
- Experience
- Minimum 4 years and Maximum 9 years
Role overview
Why This Role Matters.
This contract role is for a senior full-stack developer building scalable enterprise applications, microservices, and AI-enabled solutions. The core requirements are Java, Spring Boot, Python, React.js, JavaScript/TypeScript, REST APIs, and AI/GenAI, including LLM, RAG, semantic search, and agentic AI concepts. SQL/NoSQL databases, Kafka, Elasticsearch, cloud-native deployments, CI/CD, and performance optimization are also relevant to the work and are treated as supporting skills. The job description specifies 7+ years of experience, while the structured input gives a 4–9 year range; this discrepancy should be confirmed during screening. The location is Kolkata and the employment type is contract; work mode is not specified.
Your Impact
Deliver Enterprise Value
Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.
Collaboration
Work Across Teams
Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.
Growth
Learn Continuously
Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.
Career Path
Grow With Ubique
Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.
Responsibilities
What You'll Be Doing.
Every role at Ubique contributes directly to solving meaningful business challenges for our clients.
02
Build responsive frontend applications using React.js, JavaScript, and TypeScript.
03
Implement AI/GenAI solutions leveraging LLMs, Retrieval-Augmented Generation (RAG), semantic search, and agentic AI workflows.
04
Work with SQL/NoSQL databases, Kafka, and Elasticsearch.
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
01
Java
Required
02
Spring Boot
Required
03
Spring
Required
04
Python
Required
05
React.js
Required
06
React
Required
07
JavaScript
Required
08
JS
Required
09
TypeScript
Required
10
TS
Required
11
REST API
Required
12
RESTful services
Required
13
Microservices
Required
14
GenAI
Required
15
Generative AI
Required
16
LLM
Required
17
Large Language Models
Required
18
RAG
Required
19
Retrieval-Augmented Generation
Required
20
Semantic search
Required
Requirements
Skills & Experience.
We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.
Essential
Required Qualifications
Java
Spring Boot
Python
React.js
JavaScript
TypeScript
REST APIs
Microservices
AI/GenAI
LLMs
Retrieval-Augmented Generation (RAG)
Semantic search
Agentic AI workflows
Preferred
Nice to Have
SQL databases
NoSQL databases
Apache Kafka
Elasticsearch
Cloud-native deployments
CI/CD pipelines
Application performance optimization
What you'll gain
More Than Just A Job.
We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.
Global Exposure
Collaborate with international clients and multicultural teams on enterprise programmes.
Continuous Learning
Expand your expertise through mentoring, certifications and hands-on project experience.
Career Growth
Take ownership, develop leadership skills and grow your consulting career over time.
Flexible Working
Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.
People First
Join a supportive culture where collaboration, respect and long-term relationships come first.
Enterprise Projects
Work on meaningful technology initiatives for leading organisations across industries.
Apply
Apply for Java + React + AI Full Stack Developer
One page, about two minutes. We only ask for what we actually need to have a first conversation.