Software Engineer | AI/ML Engineer | Full Stack Web Developer | LLM | Chatbots | Shopify Product Operations
Founder & CEO
Software developer
I'm Efaj Tahamid Rifat, a software developer, AI architect, and founder of CodeBros. Since 2022, I've been building software products and working across web development, artificial intelligence, automation, and blockchain technology.
Scalable systems for complex business operations
We help growing companies build scalable operational platforms, business systems, and AI-enabled workflows for integration-heavy and operationally complex environments. What sets Celadonsoft apart is our clarity before development: we start with discovery, solution design, and business analysis to define architecture, workflows, integrations, priorities, and the right development scope before build begins. This foundation allows us to deliver predictably for complex systems by combining product management, QA, solution design, and senior engineering, keeping complex software projects transparent, structured, and predictable from discovery to release. We are built for real business complexity and work best with growing and established companies that need operational platforms, multi-role systems, complex integrations, internal workflows, and software that supports long-term growth and operational scale. At the same time, our senior engineers use AI to accelerate delivery and reduce repetitive work while keeping architecture, technical decisions, scalability, and quality under senior engineering control. We primarily work with companies in Food & Beverage, Real Estate, and FinTech, and our strongest experience includes restaurant chains, multi-location businesses, operational platforms, workflow-heavy systems, and customer-facing digital products tied to core business operations.
A full-stack developer working with Large Language Models
Building applications that combine traditional web architecture with AI capabilities, integrating model APIs, prompt engineering, and vector search directly into web or mobile products
Senior Full-Stack .NET & AWS Engineer · TrioAmigo
Senior full-stack engineer focused on .NET/C#, AWS and React, and one third of TrioAmigo, a three-person senior team from Belgrade and East Sarajevo. Recent work: a multi-tenant inspection platform on AWS for a global energy company, a gigapixel image pipeline rewritten from .NET to Python/libvips (16–20× faster in benchmarks), and React and Angular frontends for industrial and banking clients. We take on projects as a team, on fixed-price milestones. Tell us what you're building.
Software engineer
self-service booking, practitioner scheduling, centralised records, reminders and reporting are closely related to the web application and backend systems NyaberaWorks develops. We work with Next.js, Python, FastAPI and PostgreSQL, with a focus on practical web applications, database-driven workflows, API integrations and maintainable systems.
Established in 2014, Bac Ha Software Co., Ltd. (BHSoft) has been uninterruptedly offering services to worldwide clients. With the aid of latest technologies, BHSoft provides customers with the optimum solution which assures to meet their needs and requirements. Bringing out the best applications for customers’ projects is our ultimate goal. Our talent and experienced team have proven ourselves through leading BHSoft to stand among the top Software Development Companies in the market. Being our client, you are always treasured and we would be delighted if you decide to become our long-term partner. Your business requirements will be carefully evaluated. We also make sure the most suitable and up-to-date technologies are applied in customer projects. As a dynamic and fast-growing company in Vietnam, BHSoft strives to bring a new perspective in the Tech world while always staying at the top of the game. Services offering and development capabilities: • Solution Architecture • Product, Proof of Concept & Prototypes Development • SaaS Application Development • Web & Mobile Applications • GEO/GIS 2D/3D and Map/Tracking Applications Delivery Processes • Agile Development • Continuous Integration/Deployment • Cloud Deployment & Optimization • Requirements Definition • Change Management • Support & Maintenance We are now experienced with: • Mobile Apps: iOS, Android, Cross Platform: React Native, Flutter • Web Apps: ReactJS/Redux/Redux-Saga, C#/ASP.Net Core, C#/ASP.Net Core, HTML5/CSS3, TypeScript/Native Script/Angular, NodeJS, Python/Odoo, PHP/Laravel, Three.js, WebGL, 3D Visualization • Database: MongoDB, MySQL/PostgreSQL. MS SQL, OrientDB • GEO/GIS 2D/3D and Web Map View: Cesium, GeoServers, OpenLayers, PostGIS, MapBox, LeafLet, OpenStreet Map • Infra: Google Cloud, AWS, Azure, Docker
Award-winning agency providing tailored cloud and digital services to clients globally.
Global software agency delivering cloud-native solutions, custom web apps, and DevOps services.
Bespoke software development company focused on full-stack projects and IT augmentation.
Specializes in crafting AI-driven digital products and services, focusing on user experience and innovation.
Focuses on building AI solutions, including machine learning models and data pipelines for startups and enterprises.
A top-rated AI and software development company offering AI solutions across various sectors including healthcare, retail, and logistics.
A Los Angeles-based digital product studio specializing in web and mobile app development.
Specializes in blockchain solutions and tailored software creation, offering services in AI development and custom software development.
Introduction Sending money between countries has traditionally involved several financial institutions, currency conversions, and payment processing systems. Depending on the count…
