Rafiq Ahamed TanimSoftware Engineer • SaaS • Systems
Product-minded engineer building software for real operations

I build scalable SaaS systems that turn business complexity into usable software.

Software engineer with 3+ years of experience across frontend delivery, REST API integration, backend services, and workflow-heavy products for property and facilities management platforms.

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What I build

Approval workflows with clear business states.

Data-heavy interfaces that stay readable under pressure.

Secure backend integrations designed for scale and reuse.

3+

Years building software

Brooklyn, NY

Current base

Bangladesh to Canada

Client footprint

Selected Work

Products, client work, and systems-focused case studies.

A focused selection of live products, client delivery, and technical case studies. Company work is represented separately in anonymized experience details.

Featured Work

Products, client work, and systems-focused case studies.

A focused selection of live products, client delivery, and technical case studies that demonstrate product judgment, interface quality, and systems thinking.

Standalone Utility PlatformPublic work

OakFrog Labs

A standalone utility platform for everyday developer, writing, calculation, typing, and productivity workflows.

Product Visual

OakFrog Labs Tools product preview

Tech Stack

Next.jsReactTailwind CSSServerless APIsLocalStorageVercel
Open OakFrog Labs

Problem

Useful tools need to be fast, focused, and easy to revisit without competing with the personal portfolio narrative.

Solution

Built a separate tools product with a clear homepage, persistent local history, serverless endpoints, wishlist submissions, admin moderation, calculators, text/code utilities, and Color Clash as an interactive feature.

Architecture

Built as a separate Next.js application deployed independently on Vercel, using client-side tools for instant transformations, serverless APIs for shared public features, localStorage for per-device history, and a hidden admin route protected by environment secrets.

Impact

  • Separates personal branding from repeat-use product functionality.
  • Demonstrates product scope, public submissions, admin control, SEO, responsive UI, and deployment ownership.
  • Shows experience building software that is useful beyond a static portfolio page.
Production SaaS PlatformPublic work

DialersHub

A real-world web platform built for a US-based business, focused on conversion, SEO performance, and custom product presentation.

Product Visual

DialersHub preview placeholder

Tech Stack

Next.jsReactTailwind CSSSEOComponent Design
Visit DialersHub

Problem

The business needed a production-grade web experience that could communicate value clearly, support discoverability, and reflect a stronger product brand than a generic marketing site.

Solution

Built a fast, SEO-optimized frontend with custom components and a cleaner information hierarchy, balancing business goals with maintainable implementation patterns.

Architecture

Structured the frontend around reusable UI sections and performance-conscious rendering, keeping the codebase flexible for future iteration while supporting production reliability.

Impact

  • Delivered a production experience for a US-facing business.
  • Improved search visibility and perceived product quality through tailored frontend implementation.
  • Used custom components instead of template-driven design, reinforcing a stronger brand presence.
Workflow Systems Case StudyPublic work

WorkflowKit

A public workflow systems case study for approvals, status transitions, audit trails, and table-heavy operational screens.

Product Visual

WorkflowKit approval workflow product preview

Tech Stack

Next.jsTypeScriptDomain ModelingWorkflow UXData Tables
View Experience Context

Problem

Workflow-heavy business software requires careful handling of state, permissions, auditability, and high-density data.

Solution

Designed a public, anonymized workflow system blueprint with queues, approval phases, escalation states, status-safe actions, and reusable data table patterns.

Architecture

Modeled as a Next.js product surface backed by API-ready domain objects: workflow definitions, phase transitions, activity logs, reviewers, and filtered work queues.

Impact

  • Turns enterprise workflow experience into a public technical case study.
  • Demonstrates strengths in workflow logic, status pipelines, operational UX, and scalable frontend structure.
  • Shows the ability to translate complex business processes into understandable product interfaces.
Backend Observability Case StudyPublic work

ServicePulse

A reliability dashboard case study for tracking API health, service latency, error states, and operational readiness across backend services.

Product Visual

ServicePulse backend observability product preview

Tech Stack

.NET-ready APIsNext.jsTypeScriptMonitoring UXCloud Systems

Problem

Backend reliability work becomes easier to understand when service health, response time, and incidents are visible in one operational surface.

Solution

Designed a dashboard surface that visualizes service uptime, endpoint checks, response trends, incident notes, and deployment readiness.

Architecture

Designed around API health routes, scheduled checks, normalized service metrics, and status summaries that could later connect to .NET services, queues, and cloud logs.

Impact

  • Highlights backend and system reliability thinking without exposing company infrastructure.
  • Shows comfort with production operations, not only feature delivery.
  • Creates a clear foundation for cron checks, persistence, and service-level history.
SaaS Dashboard Case StudyPublic work

ClientOps CRM Starter

A focused SaaS dashboard case study for lead intake, customer follow-up, task ownership, and sales pipeline visibility.

Product Visual

ClientOps CRM Starter product preview

Tech Stack

ReactNext.jsTailwind CSSSaaS UXAPI Resource Modeling

Problem

Business dashboards need clear information hierarchy, predictable workflows, and data models that map cleanly to backend resources.

Solution

Built the product direction around dashboard KPIs, lead queues, assignment states, follow-up tasks, and reusable CRM components that map naturally to API resources.

Architecture

Structured as a modular SaaS shell with account-level navigation, resource lists, filtered tables, detail panels, and backend-ready entities for contacts, tasks, and pipeline stages.

Impact

  • Shows a recognizable SaaS product pattern with clear business value.
  • Highlights dashboard thinking, workflow ownership, filtering, and business-facing UX.
  • Provides a practical foundation for a full-stack product demo.
Experience

Career details grounded in shipped work, team collaboration, and real production systems.

From internship to full-time product delivery, the through-line has been building useful software with reliable backend integration and clear operational UX.

Profile

Software engineer with experience across frontend delivery, REST API integration, backend services, and product-facing operational systems.

Built cloud-based software for property and facilities management, collaborating with cross-functional teams in an Agile, SOC 2-aware environment for an international client in Canada.

Associate Software Engineer

Codemen Solutions Limited

May 2023 - Feb 2026

Dhaka, Bangladesh

Developed and maintained user interfaces, backend integrations, and object-oriented application features across a cloud-based, IoT-driven property management platform.

Built RESTful APIs and service integrations that connected workflow-driven business systems and improved the reliability of day-to-day operations.

Collaborated in design reviews, sprint planning, and code reviews while helping document technical specifications and user-facing guidance.

Supported software quality through debugging, troubleshooting, code optimization, and close collaboration with teammates across development and QA.

View anonymized work projects

Company projects are intentionally anonymized and kept out of the public portfolio grid. They are shown here as experience evidence without exposing client-specific names, screenshots, or confidential business data.

Enterprise Workflow System

Anonymous Commercial Approval Platform

.NETReactREST APIsMicroservicesData Tables

A workflow-heavy internal product for reviewing, validating, and approving commercial business records across multiple checkpoints.

  • Modeled multi-step approval flows with pending, escalated, approved, rejected, and cancelled states.
  • Built table-heavy review screens with filtering, pagination, status chips, detail panels, and initiation flows.
  • Kept business logic, workflow orchestration, and presentation concerns separated for easier platform evolution.

Operational Claims System

Anonymous Claims Workflow Suite

.NETReactWorkflow UIExport FlowsPagination

A data-heavy workflow experience for managing request-for-information records across operational phases, reviewers, and property context.

  • Created phase summaries, filtered record queues, export flows, and contextual side panels.
  • Improved usability for dense operational datasets by making phase, ownership, and status visible in one surface.
  • Connected frontend views to backend-driven workflow states while preserving reusable UI patterns.

Internal Admin UX

Anonymous Template Operations Tool

.NETReactAdmin ToolsRich Text EditingHTML Templates

An internal product area for creating, reviewing, editing, and maintaining reusable communication templates.

  • Built template listing, filtering, metadata review, rich text editing, and raw HTML access flows.
  • Reduced operational dependency on engineering by giving internal teams a safer admin interface.
  • Balanced non-technical content editing with advanced markup customization.

Software Engineer Intern

Codemen Solutions Limited

Feb 2023 - Apr 2023

Chattogram, Bangladesh

Implemented new features in existing systems using HTML, CSS, JavaScript, PHP, and REST APIs while learning production delivery practices from senior engineers.

Debugged legacy and in-flight code, collaborated with QA through the software development lifecycle, and contributed technical documentation to improve team clarity.

Used Git and GitHub during day-to-day development, participated in knowledge-sharing, and built a stronger foundation in shipping maintainable software.

Education

BSc in Computer Science

Chittagong Independent University

Chattogram, Bangladesh

High School Diploma

College of Science, Business & Humanities

Chattogram, Bangladesh

Highlights

Built frontend interfaces, backend integrations, and internal tools across SaaS and IoT-connected business products.

Worked with REST APIs, reusable UI patterns, documentation, debugging, and quality-oriented engineering practices.

Now based in Brooklyn, New York and open to software engineering roles with strong product and systems depth.

Skills

Grouped around how I ship systems, not how I fill a resume.

The stack reflects backend depth, frontend execution, and the product surfaces where those skills create leverage.

Backend Systems

.NETREST APIsMicroservicesCloud ApplicationsSecure Service Design

Frontend Engineering

ReactNext.jsTailwind CSSHTML5CSS3JavaScriptComponent Architecture

Product Surfaces

Enterprise DashboardsApproval WorkflowsStatus PipelinesClaims SystemsData TablesSEO-focused Interfaces

Execution Style

Agile DeliveryCode ReviewsTechnical DocumentationCross-functional DeliveryProblem SolvingInternational Client Work
Contact

Looking for an engineer who can build systems and communicate product value.

I'm open to software engineering roles where backend scale, product thinking, and polished frontend execution all matter.

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