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Hi, I’m Sikder Rayhan Kabir I’m a passionate Software Engineer with almost 5 years of experience developing and maintaining scalable SaaS applications, particularly in the Public Safety and Telecom domains. I currently work at Brain Station 23, where I’ve led the development of high-performance systems for clients like Banglalink and several international law enforcement agencies. My expertise lies in full-stack development with technologies like React.js, Next.js, Node.js, NestJS, and Feathers.js, paired with SQL Server, PostgreSQL, and MongoDB. I’ve built real-time microservices using Redis Pub/Sub and WebSockets, designed secure record management systems, and created responsive, PWA-grade frontends. I follow Agile methodologies, actively contribute to sprint planning and retrospectives, and regularly conduct code reviews to uphold best practices and mentor junior developers. I’ve also worked extensively with CI/CD pipelines (GitHub Actions), Docker, AWS, and integrations like Sentry, Twilio, and Google Maps APIs. 🔧 Skilled in: JavaScript, TypeScript, React, Node.js, NestJS, Next.js, SQL/NoSQL, AWS, Docker Feel free to reach out if you're interested in building impactful products, streamlining complex systems, or just want to talk about scalable web architecture.…Hi, I’m Sikder Rayhan Kabir I’m a passionate Software Engineer with almost 5 years of experience developing and maintaining scalable SaaS applications, particularly in the Public Safety and Telecom domains. I currently work at Brain Station 23, where I’ve led the development of high-performance systems for clients like Banglalink and several international law enforcement agencies. My expertise lies in full-stack development with technologies like React.js, Next.js, Node.js, NestJS, and Feathers.js, paired with SQL Server, PostgreSQL, and MongoDB. I’ve built real-time microservices using Redis Pub/Sub and WebSockets, designed secure record management systems, and created responsive, PWA-grade frontends. I follow Agile methodologies, actively contribute to sprint planning and retrospectives, and regularly conduct code reviews to uphold best practices and mentor junior developers. I’ve also worked extensively with CI/CD pipelines (GitHub Actions), Docker, AWS, and integrations like Sentry, Twilio, and Google Maps APIs. 🔧 Skilled in: JavaScript, TypeScript, React, Node.js, NestJS, Next.js, SQL/NoSQL, AWS, Docker Feel free to reach out if you're interested in building impactful products, streamlining complex systems, or just want to talk about scalable web architecture.

Sikder Rayhan Kabir

Full Stack Developer, Web Developer, Back-End Developer, +2

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Hi, I’m Sikder Rayhan Kabir I’m a passionate Software Engineer with almost 5 years of experience developing and maintaining scalable SaaS applications, particularly in the Public Safety and Telecom domains. I currently work at Brain Station 23, where I’ve led the development of high-performance systems for clients like Banglalink and several international law enforcement agencies. My expertise lies in full-stack development with technologies like React.js, Next.js, Node.js, NestJS, and Feathers.js, paired with SQL Server, PostgreSQL, and MongoDB. I’ve built real-time microservices using Redis Pub/Sub and WebSockets, designed secure record management systems, and created responsive, PWA-grade frontends. I follow Agile methodologies, actively contribute to sprint planning and retrospectives, and regularly conduct code reviews to uphold best practices and mentor junior developers. I’ve also worked extensively with CI/CD pipelines (GitHub Actions), Docker, AWS, and integrations like Sentry, Twilio, and Google Maps APIs. 🔧 Skilled in: JavaScript, TypeScript, React, Node.js, NestJS, Next.js, SQL/NoSQL, AWS, Docker Feel free to reach out if you're interested in building impactful products, streamlining complex systems, or just want to talk about scalable web architecture.…Hi, I’m Sikder Rayhan Kabir I’m a passionate Software Engineer with almost 5 years of experience developing and maintaining scalable SaaS applications, particularly in the Public Safety and Telecom domains. I currently work at Brain Station 23, where I’ve led the development of high-performance systems for clients like Banglalink and several international law enforcement agencies. My expertise lies in full-stack development with technologies like React.js, Next.js, Node.js, NestJS, and Feathers.js, paired with SQL Server, PostgreSQL, and MongoDB. I’ve built real-time microservices using Redis Pub/Sub and WebSockets, designed secure record management systems, and created responsive, PWA-grade frontends. I follow Agile methodologies, actively contribute to sprint planning and retrospectives, and regularly conduct code reviews to uphold best practices and mentor junior developers. I’ve also worked extensively with CI/CD pipelines (GitHub Actions), Docker, AWS, and integrations like Sentry, Twilio, and Google Maps APIs. 🔧 Skilled in: JavaScript, TypeScript, React, Node.js, NestJS, Next.js, SQL/NoSQL, AWS, Docker Feel free to reach out if you're interested in building impactful products, streamlining complex systems, or just want to talk about scalable web architecture.

Available to hire

Hi, I’m Sikder Rayhan Kabir
I’m a passionate Software Engineer with almost 5 years of experience developing and maintaining scalable SaaS applications, particularly in the Public Safety and Telecom domains. I currently work at Brain Station 23, where I’ve led the development of high-performance systems for clients like Banglalink and several international law enforcement agencies.

My expertise lies in full-stack development with technologies like React.js, Next.js, Node.js, NestJS, and Feathers.js, paired with SQL Server, PostgreSQL, and MongoDB. I’ve built real-time microservices using Redis Pub/Sub and WebSockets, designed secure record management systems, and created responsive, PWA-grade frontends.

I follow Agile methodologies, actively contribute to sprint planning and retrospectives, and regularly conduct code reviews to uphold best practices and mentor junior developers. I’ve also worked extensively with CI/CD pipelines (GitHub Actions), Docker, AWS, and integrations like Sentry, Twilio, and Google Maps APIs.

🔧 Skilled in: JavaScript, TypeScript, React, Node.js, NestJS, Next.js, SQL/NoSQL, AWS, Docker

Feel free to reach out if you’re interested in building impactful products, streamlining complex systems, or just want to talk about scalable web architecture.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at Brain Station 23 PLC

January 1, 2025 - November 13, 2025

Architected and developed a high-performance backend microservice for the MyBL (Banglalink's Mobile App), handling massive request volumes and real-time reaction updates using Nest.js, WebSocket, Redis Pub/Sub, and other cutting-edge technologies. Collaborated with cross-functional teams to optimize deployment pipelines and monitoring, integrating GitHub Actions, Docker, and Prometheus for improved reliability and faster delivery cycles. Collaborated with international stakeholders to define and implement the product roadmap, aligning engineering resources with company-wide goals.

Software Engineer at Brain Station 23 PLC

December 1, 2024 - December 1, 2024

Led a high-performance PWA SaaS application for the public safety domain using Feather.js, React.js, SQL Server, Sequelize ORM, WebSocket and other relevant technologies. Optimized application performance by 32% through SQL query tuning and indexing, resulting in faster data retrieval and improved user experience. Enhanced application reliability and quality by introducing unit and integration testing using Jest, reducing production bugs by 20%. Implemented a scalable record management system, integrating multiple SaaS applications to streamline data management. Integrated a wide range of third-party services, including Sentry for performance and error monitoring, SendGrid and Twilio for SMS and Email services and Google Maps APIs for location-based functionalities. Implemented scalable front-end architecture with Next.js and state management with Redux, optimizing data flow and application performance.

Associate Software Engineer at Brain Station 23 PLC

July 1, 2022 - July 1, 2022

Gained valuable experience developing mission-critical law enforcement software, utilizing Agile methodologies like Scrum. Contributed significantly to the design and implementation of new features across various applications. Integrated and leveraged Google Maps APIs to implement location tracking, navigation guidance, and location search functionalities. Developed advanced search algorithms to facilitate efficient information retrieval from large-scale databases.