CV

Saiful Islam

Technical Lead Engineer | Smart City | IoT | Business Intelligence (BI) | Microservice | Software Architecture & Clean Code Enthusiasts

Short CV | Full CV

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Updated 2024-11-27

Summary

Professional Experience

Surbana Jurong Group | Singapore . Remote Jan 2022 - Present

🟢 Technical Lead Engineer

May 2024 - Present

⚪ Senior Software Engineer

Jan 2022 - Apr 2024

• Currently leading diverse product teams remotely in designing, developing, and implementing complex business architectures & logic across different BI and IoT applications, ensuring timely delivery of 100% of projects.
• Continuously contributing to successfully deliver multiple complex project. Recently led my team in delivering two KPI-focused products: a flagship solution and a tailored client-specific product. Both projects showcased my expertise in meeting critical performance metrics, tailored to meet unique business needs.
• Actively delegate project tasks and guide methodologies and technical execution to team members, maintaining a high milestone completion rate of 99-100%.
• Consistently identifying and mitigating potential project issues, A few recently resolved issues are,
  • One of our legacy project’s thread blocking issues, reduces its CPU usage to 98% to 20%.
  • Solved deadlock issues in another application’s transaction table, which ensured 100% data retention.
  • Implementing ‘separation of concerns’ in PBI reports, improved 30-40% data fetch rate in one of our BI app.
• Established and enforced standardized development procedures like clean coding standards, small commit-PR, and mass review-commenting resulting in improved code quality by 60-70% and 80% reduction in post-release defects.
• Conducting R&D on emerging technologies to maintain high software quality, integrating cutting-edge tools or technologies for measurable gains in quality, speed & performance.

S3 Innovate Pte | Singapore . Remote Dec 2019 - Dec 2021

⚪ Senior Software Engineer

Dec 2019 - Dec 2021

• Developed IoT-based projects from inception to completion, completed modules as a Full-stack developer.
• Mastered existing applications, then restructured and enhanced them with modern, user-focused features.
• Contributed to the completion of a long-running IoT project by developing various KPI features, including:
  • Dynamic & draggable dashboard which visualize big data inputted from different IoT sensors with various analytics and infographics.
  • Pin To dashboard feature, enabling users to pin charts from various modules to their dashboards.
  • SSO (Azure AD), streamline secure access, allowing their Entra users to log in seamlessly with their credentials..
• Conducted extensive R&D on emerging technologies, improving software quality, speed, and scalability. Key tools and technologies explored include API Gateway, EdgeX Foundry, Consul, EMQX Rule Engine, and Azure Functions.
• Introduced version control-based development, established workflows, and trained the team in source control best practices.

UNDP | Dhaka, Bangladesh . Freelance Jun 2020 - Oct 2020

⚪ Technical Supervisor

Jun 2020 - Oct 2020

• Led a team in developing a regional loan processing mobile app (ATM) for the United Nations Development Programme (UNDP), overseeing all aspects of the project to ensure successful delivery.

Match Wheel Limited | Dhaka, Bangladesh . Onsite Jan 2019 - Nov 2019

⚪ Senior Software Engineer

Jul 2019 - Nov 2019

⚪ Software Engineer

Jan 2019 - Jun 2019

• Collaborated on requirements gathering, database design, and backend SOA services, working closely with UX teams to align technical solutions with user needs.
• Partnered with clients, marketing, and developers to launch new products and features, mastering the development process to enhance existing applications through strategic reorganization and improvement.
• Provided accurate technical estimates for individual tasks and team projects, ensuring alignment with project timelines and resource planning.
• Independently architected and developed the backend for the flagship product, Smart Gowala.
• Also developed KPI-driven products like EgMarket (Android) and AllSupply (E-commerce Web), and contributed to the in-house product CVLinked.

Asgar Ali Hospital | Dhaka, Bangladesh . Onsite Apr 2017 - Jan 2019

⚪ Software Developer

Apr 2017 - Jan 2019

• Developed, deployed, and maintained new modules for a Hospital ERP system as a full-stack developer, building the solution from scratch, handling deployment on in-house servers, and training end-users.
• Enhanced and stabilized existing modules through bug fixing and provided continuous user support.
• Generated customized reports based on client requirements and configured automated jobs on Oracle Server and Windows to streamline processes and improve system performance.

Portfolio

Associated with Surbana Jurong Group

📂 SJ Sustainability: 24k v2 Product (Sustainable Building Network + A10 Carbon ESG) | SaaS, Flagship Product Ongoing

Sustainable Development Renewable Energy Smart City IoT Microservice

Techs: .NET8 Clean Architecture RabbitMQ Kafka CQRS MediatR PostgreSQL Ocelot K8S Grafana Angular

• This is an advanced facility management platform provides real-time insights into sustainability metrics and renewable energy usage, supporting sustainability compliance while enhancing operational efficiency.
• By processing IoT sensor data from critical infrastructure — such as chillers, electrical systems, water usage, and airflow — it detects anomalies like water leaks and unusual energy consumption, enabling fast corrective actions. This reduces both manual reporting and on-site inspections, empowering engineering teams with actionable insights.
• Core Features:
  • Carbon Tracking, Sustainability Reporting, Real-Time Alerts & Notifications, Advanced Data Analytics, Infographic & Tabular Dashboards, Utility Management Modules, etc.

📂 CFEMS: Commuter Facility Equipment Monitoring Services | Tailored Solution, Client: Land Transport Authority (LTA) Delivered

Smart City IoT Microservice

Techs: .NET6 Clean Architecture EMQX MQTT CQRS MediatR Azure SQL Serilog Seq Angular Material K8S

• CFEMS is a live monitoring solution designed to oversee the maintenance and operations of critical equipment, including lifts, escalators, pumps, and various mechanical systems, across all LTA-managed sites in Singapore.
• Leveraging microservices architecture and IoT technologies such as RTU and RS485, CFEMS processes vast telemetry data to enable real-time status monitoring, predictive maintenance, and fault management.
• Key Telemetry Data Sources:
  • Lifts, Escalators, Electrical Systems, Pumps, Air Conditioning, Mechanical Ventilation, and Fire Systems.

📂 RAPID: Real Estate Analytics and Performance Indicators Dashboard | SaaS, Multi-Tenant, Flagship Product, Partner: REDAS Delivered

Sustainable Development Smart City Business Intelligence IDD

Techs: .NET Core Power BI Azure AAD SQL Elastic Pool Microsoft Fabric Docker Key-Vault Angular Nebular

• RAPID serves as a central intelligence hub for real estate development projects, offering a “Single Pane of Glass” view that empowers management and operations teams with real-time, actionable insights.
• By consolidating data from various Integrated Digital Delivery (IDD) stages, it enables strategic decision-making and planning across critical areas such as construction progress, cost, safety, and sustainability.
• This first-of-its-kind dashboard unifies data from developers, consultants, contractors, and subcontractors, integrating disparate sources seamlessly for improved efficiency.
• Data Coverage:
  • Construction Progress Tracking, Cost & Cash Flow Tracking, Energy and Water Consumption, Project Milestones, Authority Submissions, Manpower and etc.
• Core Features:
  • Consolidated Dashboard: Aggregates 45+ reports, Gantt Chart & Activity Timeline Management, Single-Source-of-Truth (SSOT), Advanced Progress Tracking Tools, REDAS-Data-API and etc.

Associated with S3 Innovate & Surbana Jurong Group

📂 SBN: Sustainable Building Network | Tailored Solution, Client: Cushman & Wakefield Delivered

Sustainable Development Smart City Smart Meter IoT

Techs: .NET N-Tier Architecture Web API Azure Azure SQL Dapper AAD Angular JS Bootstrap Highcharts

• A facility management platform that delivers comprehensive, real-time insights into sustainability metrics and renewable energy usage for C&W managed buildings, detects and flags anomalies such as water leaks or unusual energy consumption, enabling quick corrective actions and reducing manual reporting and on-site inspections for engineering teams.
• IoT sensor data from critical infrastructure: chillers, electrical systems, water usage, airflow, and more. Frequent data collection at minute intervals to ensure accurate and up-to-date monitoring.
• This solution ensures facilities remain optimally managed, sustainable, and equipped with actionable insights, improving overall operational efficiency and sustainability compliance
• Core Features:
  • Sustainability Reporting, Real-Time Alerts & Notifications, Advanced Data Analytics, Infographic & Tabular Dashboards, Utility Management Modules, etc.

📂 Aquila: AETOS Building Insight | Tailored Solution, Client: AETOS Delivered

Smart City FIDS IoT Microservice

Techs: .NET5 Microservice Azure Az Function Blob Storage Docker EdgeX Foundry EMQX Rule Engine Grafana

• This integrated system is designed for real-time tracking and monitoring different building insights, supporting AETOS’s 2024 sustainability vision to foster community-wide carbon reduction practices, aligning with broader environmental goals and promoting the adoption of cleaner alternative.
• Continuously monitors Fence Intrusion Detection System (FIDS) parameters, providing instant alerts and notifications for various key metrics to enhance responsiveness and operational

Associated with Match Wheel Limited

📂 Smart Gowala: Dairy ERP on Phone | SaaS, Multi-Tenant, Flagship Product Delivered

ERP Smart Dairy Mobile App Android

📂 CVLinked: Online CV Bank | Portal, Flagship Product Delivered

CV Bank Portal Consumer Scaled User Intensive

Techs: .NET Core Angular Bootstrap AWS EC2 S3 SQL Server MVVM Java Android Refit Payment Gateway

Associated with Asgar Ali Hospital

📂 AAH System: Complete Hospital ERP | In-house Solution Delivered

Health Tech Smart Corporate Hospital Windows App

Techs: C# .NET Win Form WCF Service IIS Oracle ADO.NET Crystal Report Windows Server ASP.NET Web

Professional Education & Course

BASIS Institute of Technology & Management, BITM | Kawran Bazar, Dhaka, Bangladesh 2018

6 Month Course Android

• Scholarship Program, Information & Technology
• Student of Professional Mobile App Development (Android)
• Obtained Best Project Award on Final Project Presentation

ICT Ministry Bangladesh | Dhaka, Bangladesh 2018

6 Month Course Campus: Sys Dev, Dhaka, BD

• Scholarship Program, Information & Technology
• Student of UX/UI Skill Development

Islamic Development Bank- Bangladesh Islamic Solidarity Educational Wakf, IsDB-BISEW | Agargaon, Dhaka, Bangladesh 2015 - 2016

IT Scholarship Program Campus: Daffodil International Institute of IT (DIIT) Round #28

• Scholarship Program, Information & Technology
• Student of Enterprise System Analysis and Design- C# & .NET
• Obtained Best Performance Award on Program Completion
• Obtained First place by getting a standout 147.5 out of 150 mark on the Course Fundamental Exam in the Program

Education

Jahangirnagar University, IIT | Savar, Dhaka, Bangladesh 2022 - 2023

Batch #26 Summer-2022

• Graduated, Information & Technology
• Earned Scholarship for outstanding CGPA (3.94 out of 4) in a trimester result.
• Obtained Highest Result CGPA 3.77 out of 4
• Masters Thesis: A System Proposal for Resident Hall Seat Management & Description of Scopes of IoT & AI in Similar Systems.

National University Bangladesh | Gazipur, Dhaka, Bangladesh 2012 - 2013

Campus: Dhaka College

• Graduated, Chemistry

National University Bangladesh | Gazipur, Dhaka, Bangladesh 2008 - 2012

Campus: Dhaka College

• Undergraduated, Chemistry

Certifications

ISC2 Cybersecurity Certification | Candidate 2023

Certification Preparation Completion

🎖️ MCSD: Microsoft Certified Solution Developer | Passed 2017

Issuer: Microsoft Developing Microsoft Azure and Web Services 70-487

🎖️ MCP: Microsoft Certified Professional | Passed 2016

Issuer: Microsoft Developing ASP.NET MVC Web Applications 70-486

🎖️ MCSA: Microsoft Certified Solution Associates | Passed 2016

Issuer: Microsoft Programming in HTML5 with JavaScript and CSS3 70-480

Verify Microsoft Certifications | TID: 1225913 Access Code: g11135801

Honors & Awards

Scholarship for Outstanding CGPA | Jahangirnagar University, IIT 2022 - 2023

Best Project Award for Final Project | BASIS Institute of Technology & Management, BITM 2018

Best Performer Award for Academic Excellence | Islamic Development Bank- Bangladesh Islamic Solidarity Educational Wakf, IsDB-BISEW 2017

Teaching Experience

Higher Secondary Student Instructor,
Chemistry & Bilogy 2009 - 2021

Chem., An Anchor of Creative Knowledge for Chemistry & Biology