Khem C.-Full Stack Java Developer
Check rate
Experience
Software Engineer
Spring AI Knowledge Assistant
- Built a Retrieval-Augmented Generation (RAG) chatbot using Spring AI to answer questions over private document sets.
- Configured Spring AI ChatClient and embedding models to convert documents into vector embeddings stored in a pyvector-backed store.
- Designed a semantic-search retrieval pipeline that injects relevant context into LLM prompts to reduce hallucination and ground responses in source documents.
- Implemented streaming chat responses, conversation memory, and structured output parsing for downstream API consumers.
- Exposed secured REST endpoints for document ingestion, chat, and session history, integrated with JWT-based authentication.
Skills: Java, Spring Boot, Spring AI, OpenAI API, RAG
AI Career Co-Pilot
- Created an AI-powered career platform delivering personalized career assistance and job-search tools.
- Integrated generative AI models to dynamically compile ATS-optimized application assets.
- Structured intelligent matching algorithms and growth trajectory visualization tools for strategic milestone planning.
- Deployed interactive AI conversational agents, interview simulations, and application pipeline tracking.
Skills: React.js, Java, Spring Boot, MySQL, JWT, AI API Integration
Finance Hub
- Established a full-stack personal finance management application using Java, Spring Boot, and MySQL.
- Facilitated secure user authentication and JWT authentication with strict permission boundaries using Spring Security.
- Delivered RESTful APIs for expense tracking with CRUD operations and user-scoped data management.
- Devised a premium subscription module with admin approval workflow and payment receipt handling.
Skills: Java, Spring Boot, MySQL, HTML, CSS, JavaScript
full stack developer
TaskFlow API
- Built a token-authenticated task-management REST API in Python/Flask, mirroring existing Java/Spring Boot CRUD systems.
- Implemented salted password hashing, bearer-token auth, and per-user data isolation for all endpoints.
- Designed full CRUD routes with input validation and correct HTTP status codes (400/401/404/409).
- Wrote a 9-case unittest suite covering auth, CRUD, and cross-user data isolation; all tests passing.
Skills: Python, Flask, REST API, Unit Testing
JAVA developer
InternsElite
Full Stack Web Development
InternsElite
- Engineered and deployed full-stack web applications using HTML, CSS, JavaScript, Java, and SQL.
- Architected and configured backend services with database integration to manage dynamic user data efficiently.
- Crafted responsive user interfaces and optimized frontend components, reducing page load time by approximately 20%.
- Applied MVC architecture and decoupled API endpoints to enable seamless client-server communication.
- Executed unit testing and bug resolution workflows to ensure system stability across cross-browser environments.
Employee Management System
- Constructed an Employee Management System using HTML, CSS, JavaScript, and backend integration.
- Set up secure employee registration, login authentication, and role-based access control.
- Organized modules for employee profiles, attendance tracking, leave management, and salary records.
- Enabled a data persistence layer (Add, Edit, Delete, View) for employees and departments.
Skills: Java, HTML, CSS, JavaScript, MySQL
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Product Development.
Summary
Full stack developer with hands-on experience across Java, Python, Spring Boot, React.js, and SQL/NoSQL databases, backed by an active portfolio of production-style applications (AI-integrated platforms, secure finance systems, role-based enterprise tools). Comfortable owning a feature end-to-end — REST API design, database modeling, authentication/security, and responsive UI — with a track record of writing clean, tested code across multiple languages. Growing specialization in AI/LLM application development, including Spring AI, RAG pipelines, and generative model integration. Strong problem-solving foundation in Data Structures and OOP. Well suited for coding, code-review, and technical evaluation work requiring precision in Java and Python backend systems.
Skills
Key Strengths
- Coding & Software Engineering — Writes And Debugs Production-Style Java, Python, And Javascript Code Across The Full Stack.
- Problem-Solving & Reasoning — Strong Grounding In Data Structures, Oop, And Algorithmic Thinking For Evaluating And Correcting Code Logic.
- Technical Writing & Documentation — Clear, Structured Write-Ups Of Architecture, Api Design, And Project Workflows.
- Ai/Llm Tooling — Hands-On Experience Building Llm-Powered Features With Spring Ai And Rest-Based Generative Ai Apis, Including Prompt Design, Rag, And Testing Model Outputs Within Live Applications.
- Attention To Detail — Consistent Focus On Security, Edge Cases, And Data Integrity Across Authentication And Crud Workflows.
Technical Skills
- Languages: Java, Python, Javascript
- Backend: Spring Boot, Spring Security, Spring Ai, Hibernate/Jpa, Jdbc, Rest Apis
- Ai/Llm: Spring Ai, Llm Api Integration (Openai/Genai Apis), Prompt Engineering, Rag (Retrieval-Augmented Generation), Vector Databases
- Frontend: React.Js, Html5, Css3
- Databases: Mysql, Ms Sql Server, Mongodb
- Tools/Platforms: Git, Github, Maven, Intellij Idea, Eclipse
- Core Concepts: Mvc Architecture, Crud Operations, Oops, Data Structures, Problem-Solving, Responsive Web Design
Languages
Education
Lovely Professional University
MCA · Phagwara, India
Dr. Bhim Rao Ambedkar University
BCA · Agra, India · 60%
SH D.K.I.C College
Intermediate (PCM) · Agra, India · 73%
Certifications & licenses
java development
InternsElite
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Khem is based in Phagwara, India.
Khem speaks the following languages: Hindi (Native), English (Advanced).
Khem has at least 1 year of experience. During this time, Khem has worked in at least 4 different roles and for 6 different companies. The average length of individual experience is 2 months. Note that Khem may not have shared all experience and actually has more experience.
Based on recent experience, Khem would be well-suited for roles such as: Software Engineer, full stack developer, JAVA developer.
Khem's most recent position is Software Engineer at Spring AI Knowledge Assistant.
In recent years, Khem has worked for Spring AI Knowledge Assistant, AI Career Co-Pilot, Finance Hub, TaskFlow API, and InternsElite.
Khem is most experienced in industries like Information Technology and Banking and Finance.
Khem is most experienced in business areas like Information Technology and Product Development.
Khem holds a Master from Lovely Professional University and a Bachelor from Dr. Bhim Rao Ambedkar University.
Khem has 1 certificate: java development.
Khem is immediately available full-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar freelancers
Discover other experts with similar qualifications and experience
Imran A.
Ekaansh K.
Sridhar H.
Sanju R.
Ajay C.
Abhishek N.
Shamaila M.
Patrick L.
Kamal R.
Bhavani S.
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Software Engineer
Awais A.
Mitali S.
Kiran kumar K.
Ateet B.
Chintan P.
Niklas W.
Mahabub A.
Fabian C.
Mukund B.
Nikhil G.
Nearby freelancers
Professionals working in or nearby Phagwara, India
Dinmukhabet A.
Sergey F.
Mansur Z.
Khanim A.
Hikmat S.
Javid K.
Roman S.
Emin M.
Beka C.
Gvantsa K.
