Samrat Alam

Senior Software Engineer I @ Brain Station 23

About

Senior Software Engineer with experience building scalable, production-grade systems using Java and Spring Boot, primarily across FinTech and large enterprise platforms. I specialize in microservices, event-driven architectures, and secure backend services that operate reliably at scale. I’ve worked on cross-border remittance platforms, telecom CRM systems, and enterprise lead and ticket management solutions, owning services end-to-end—from API design and authentication (JWT/SSO) to Kafka-based event processing, data modeling, and performance optimization. Stack: Java, Spring Boot, Kafka, Redis, PostgreSQL.

Country

Bangladesh

City

Dhaka

Industry

Computer Software

Skill

Kubernetes, High Traffic, Query Optimization, Hibernate, Distributed Lock, Distributed Concurrency Control, Deligation, Spring Boot, RabbitMQ, Kafka Streams, Spring Integration, Kafka, Spring Batch, JPA CriteriaBuilder, Liquibase, FastAPI, React, Software Deployment, Microservices, Distributed Systems

Experience

Senior Software Engineer I

Brain Station 23

2026-1 - Present · 9 mos

Dhaka, Bangladesh

🔹 Zoober Pay – Cross-Border Remittance Platform Building a microservices-based cross-border remittance platform enabling CAD transfers from Canada to multiple countries. - Developed secure eKYC onboarding and real-time AML compliance services - Implemented scalable wallet management and P2P transfer services - Integrated Nuvei for card-based top-ups and payment processing - Contributed to fault-tolerant, event-driven microservices using Kafka and Spring Boot Tech Stack: Spring Boot, Hexagonal Architecture, Microservice, Kafka, PostgreSQL, Redis, Nuvei API

Senior Software Engineer

RedDot Digital Limited

2024-7 - 2026-1 · 1 yr 7 mos

Dhaka, Bangladesh

🔹 Loyalty Management Platform (LMP) — Robi Contributing to a large-scale, microservices-based loyalty platform supporting ~70M subscribers with real-time reward tracking. - Optimized Spring Boot microservices to achieve ~1100 TPS using Redis caching and concurrency tuning - Implemented event-driven processing with Kafka and RabbitMQ, handling ~40M events - Maintained high performance and stability with ≤70% peak hardware utilization Tech Stack: Spring Boot, Kafka, RabbitMQ, PostgreSQL, Redis, Liquibase, Next.js 🔹 Robi Lead Management & TT Portal Delivered a full-stack solution to automate Robi’s sales pipeline and trouble ticket management. - Implemented a 5-stage sales workflow and built a TT Portal for issue tracking - Reduced customer onboarding time by 25% through workflow automation - Developed secure, scalable backend services with JWT-based authentication Tech Stack: Spring Boot, React, PostgreSQL, Redis

Software Engineer

RedDot Digital Limited

2022-9 - 2024-7 · 1 yr 11 mos

Dhaka, Bangladesh

🔹 Smart eCRM — Smart Axiata (Cambodia) Developed an enterprise CRM platform for Smart Axiata, supporting ~15M subscribers and complex telecom sales and onboarding workflows. - Implemented end-to-end customer onboarding including MSISDN lifecycle management and dynamic credit controls - Built approval workflows with delegation for product purchases, special offers, and bulk MSISDN operations - Improved system reliability and efficiency through automated workflows and retry mechanisms Tech Stack: Spring Boot, PostgreSQL 🔹 Robi Operation Management Portal Contributing to an internal portal to automate issue management within Robi dCRM. - Developed Angular frontend and Spring Boot backend services for issue tracking and operational workflows - Improved visibility and reduced manual intervention for operations teams Tech Stack: Spring Boot, Angular 🔹 Robi dCRM Enhancements Enhancing core features and REST APIs within Robi’s digital CRM platform. - Designed and extended RESTful APIs to improve backend flexibility and maintainability Tech Stack: Spring Boot