Malcolm Cephas | IoT, Embedded Systems & Backend Engineer

Electronics & Communication Engineer | Backend & AI Developer

I build backend systems, AI-powered applications, and secure IoT solutions.

Professional Summary

Backend Developer and AI Systems Intern with experience building Java Spring Boot applications, AI-powered enterprise solutions, and secure distributed systems. Skilled in Java, Python, Spring Boot, REST APIs, SQL, MCP-based AI integrations, and LLM workflows. Experienced in developing backend services, conversational AI applications, and cryptography-based access control systems.

Electronics and Communication Engineering graduate with hands-on experience in IoT security, embedded systems, cryptography, and software development. Experienced in designing secure access-control systems for distributed IoT environments using ECC, Attribute-Based Encryption, C++, Java, and Python. Familiar with I2C, UART, wireless networking, and secure communication architectures.

Currently Learning & Building

I am actively studying and implementing advanced AI and data workflows, with a current focus on:

LangChain & LangGraph: Building complex, stateful multi-agent workflows and robust LLM applications.
Data Analysis & Cleaning: Extracting, processing, and refining datasets to build reliable data pipelines.
Automation: Experimenting and building Python scripts to automate and streamline workflows, with small tasks such as renaming files and uploading to cloud storage.

Technical Skills & Expertise

Category	Skills & Technologies
Languages	Java Python C++ JavaScript Kotlin SQL
Web & Mobile	React.js React Native Android Development Android Studio HTML Web Design JavaFX JFreeChart
Backend & Cloud	Spring Boot Spring AI MCP AWS GCP Cloud Storage Solution Architecture Cloud Practitioner SysOps Admin Batch Processing SDK Development
Data & AI	Machine Learning Data Science Data Analysis Big Data Apache Spark NumPy Pandas PyTorch OpenCV AI Practitioner
Databases	MySQL PostgreSQL MongoDB Apache Cassandra H2 SQLite
Security & Crypto	Cybersecurity Network Security Cryptography PKI Encryption Data Security Diffie-Hellman ECC
IoT & Engineering	Embedded Software IoT Wireless Networking MATLAB Simulink Signal Processing Circuit Analysis Telecom Engineering Power Electronics Electric Power Sustainable Tech System Monitoring Test Engineering
Tools & Methods	Docker Git GitHub Maven Gradle Postman Problem Solving Analytical Skills Structured Documentation Integration Projects Software Development Software Engineering
Media & Specialized	Digital Marketing Digital Media Photoshop Lightroom Premiere Pro Medical Imaging

Professional Experience

AI Intern

Sensei Technologies • Internship

Bangalore, India

Jan 2026 - Present

Developing AI integration proof-of-concepts for enterprise systems, introducing conversational AI through MCP (Model Context Protocol) and automated SQL generation.

Developed MCP tools using Java Spring Boot and Spring AI for backend service orchestration.
Integrated LLMs (Claude, Llama 3, Qwen) via Groq, Open Router, and Ollama.
Built AI chatbots with long-term memory, multi-chat functionality, and auto-summarization.
Implemented schema-aware SQL generation and metadata-driven AI workflows.
Optimized token usage and on-device execution using Ollama and JQ filtering.

Java Spring Boot Spring AI MCP LLMs Prompt Engineering

Java Developer Intern

Elevate Labs • Internship

Oct 2025 - Dec 2025

Developed six Java applications covering CRUD operations, file handling, object-oriented programming, data structures, and GUI development.
Built command-line applications including Student Management, Library Management, Notes Manager, and Bank Account Management systems.
Developed a Java Swing GUI-based To-Do List with task creation, deletion, persistence, and automatic loading of saved tasks.
Applied object-oriented programming and core Java concepts to design modular application logic and solve practical programming tasks.

Java JavaFX OOP GUI Development

Featured Work

Backend / AI

E-Commerce + MCP

AI-integrated e-commerce backend system leveraging Model Context Protocol for intelligent workflows and automated SQL generation.

Java Spring AI MCP

Desktop / Finance

Expense Splitter Pro

Sophisticated desktop application for managing group finances. Whether it's a weekend trip, a shared apartment, or a dinner with friends, this tool ensures everyone pays their fair share with minimal friction.

Java Spring Boot JavaFX MIT License

Decentralized IoT

ABAC Framework for Medical IoT

Developed an Attribute-Based Cryptographic Access Control (ABAC) framework for sensitive healthcare data. Enforces fine-grained policies (e.g., Doctor vs. Researcher) adhering to HIPAA and GDPR.

Cryptography ECC IoT Security C++

Java / Desktop

Expense Tracker Pro

Full-featured analytics app with SQLite backend and JavaFX UI. Includes interactive spending visualization via JFreeChart and CSV reporting features.

JavaFX SQLite JFreeChart JDBC

Hybrid Security

Hybrid Image Encryption (ECC-DH)

Combined Elliptic Curve Cryptography for key exchange with 2-D Chaotic Maps for high-speed encryption of bio-medical images, ensuring integrity and speed.

ECC-DH Chaotic Maps Medical Imaging Python

Security

Bio-Medical ECC Framework

A lightweight framework for resource-constrained environments to encrypt patient data during transmission, leveraging the mathematical power of elliptic curves.

ECC Data Security Network Security Math