Md. Rabiul Islam Santo

Java Full Stack Engineer with proven expertise building scalable, secure enterprise systems using Spring Boot and Angular. Skilled in TDD, RESTful APIs, and OOP design—delivering high-performance solutions that drive business value.

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Md. Rabiul Islam Santo - Java Full Stack Engineer

Available for Roles

Professional Experience

Building enterprise systems that scale. Leading technical initiatives with measurable impact.

Software Engineer

CURRENT

BracIT Services Ltd

Dhaka, Bangladesh

Sep 2024 – Present

3 months

Key Achievements

◆Engineered enterprise-grade applications serving 10K+ users using Groovy, Grails & Jmix
◆Optimized RESTful APIs achieving 30% response time reduction through caching strategies
◆Implemented TDD practices achieving 95% test coverage, eliminating 78% of regression defects
◆Delivered 8+ core modules with modular architecture improving deployment efficiency by 25%
◆Orchestrated CI/CD pipelines achieving 99.8% platform uptime

GroovyGrailsSpring BootJmixPostgreSQLRedisDockerGitLab

Software Engineering Intern

BracIT Services Ltd

Dhaka, Bangladesh

Apr 2024 – Sep 2024

6 months

Key Achievements

◆Architected full-stack applications with Spring Boot, Angular & Vaadin
◆Developed 360-Degree Feedback Module (EPMS) improving workflow by 40%
◆Designed interactive dashboards with ApexCharts increasing adoption by 52%
◆Maintained 99%+ API uptime and contributed to code reviews

JavaSpring BootAngularJHipsterMySQLREST APIsMaven

78%

Regression Defects

Eliminated via TDD

95%

Code Coverage

Achieved with rigorous testing

30%

Performance Gain

API optimization & caching

99.8%

Uptime

Zero-downtime deployments

Featured Projects

360-Assessment – Employee Performance System

Enterprise EPMS module processing feedback from 500+ employees. Features real-time analytics, multi-dimensional ratings, and trend analysis.

Key Impact

✓40% faster feedback collection
✓99% data accuracy
✓Real-time dashboards
✓10K+ concurrent users

Spring BootAngularPrimeNGApexChartsPostgreSQL

if()Live Demo View on GitHub

EnDecTic – Secure P2P Encrypted Messaging

Military-grade peer-to-peer communication platform with RSA 2048-bit encryption ensuring zero-knowledge architecture.

Key Impact

✓Military-grade 2048-bit RSA
✓Zero-knowledge design
✓Digital signatures
✓50ms latency

JavaSocket ProgrammingRSA EncryptionSwing

if()Live Demo View on GitHub

Massier – Hostel Management System

Comprehensive web system automating hostel operations for 200+ residents with real-time expense tracking and messaging.

Key Impact

✓70% efficiency gain
✓Real-time tracking
✓85% communication reduction
✓Automated reporting

PHPMySQLJavaScriptAJAXBootstrap

if()Live Demo View on GitHub

REST API Architecture Optimization

Refactored legacy monolithic APIs into microservices. Implemented caching and query optimization for 30% latency reduction.

Key Impact

✓30% latency reduction
✓45% DB load decrease
✓Redis caching
✓Rate limiting

Spring BootRedisPostgreSQLDockerKubernetes

if()Live Demo View on GitHub

Technical Expertise

Languages & Frameworks

JavaGroovySpring BootAngularVaadinJHipsterGrailsJmix

Data & Infrastructure

PostgreSQLMySQLRedisDockerKubernetesGit/GitLabCI/CD

Quality & Testing

JUnitMockitoTDDSonarQubeLoad TestingSOLID Principles

APIs & Architecture

RESTful APIsMicroservicesSystem DesignAPI OptimizationCaching

Soft Skills

Technical LeadershipAgile/ScrumCode Review MentoringProblem Solving

Achievements

Codeforces 933HackerRank 2383CTF PlacementsBest Campus Leader

Ready to Build Something Extraordinary?

I'm passionate about building scalable enterprise systems, mentoring teams, and driving technical excellence. Let's collaborate!

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