Software development agencies that use English

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.

sunil M

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 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.

Founded in 2018, KBook Publishing has made a name for itself in the publishing industry and served authors from all corners of the world. KBP makes your publication process easy and provides editing, formatting, printing, publishing, and marketing.

Jackson Nyabera

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.

We are WordPress experts dedicated to fully managing, securing, and optimizing your website for maximum speed and performance. From maintenance and protection to performance enhancement, we ensure your website runs smoothly and efficiently. Connect with us today and let us help your business grow online.

Tanveer Sayyed

Senior Full-Stack Software Engineer | 15 Years Experience | Web & Mobile App Development | .NET | Python | React | Node.js | Cloud & AI Solutions

I am a Senior Full-Stack Software Engineer and Technology Consultant with 15 years of experience in designing, architecting and delivering scalable software solutions, enterprise applications and digital products. I help startups, businesses and enterprises transform their ideas into reliable, secure and scalable technology solutions from initial concept and system architecture to development, deployment and ongoing support. Technical Expertise • Backend Development: C#, .NET Core, ASP.NET Core, Python, FastAPI, Node.js, Express.js • Frontend Development: React.js, Angular, JavaScript, TypeScript, HTML5, CSS3 • Mobile App Development: Android, Kotlin, Cross-Platform Mobile Applications • Database Technologies: PostgreSQL, SQL Server, MySQL, MongoDB • Cloud & DevOps: Microsoft Azure, AWS, Docker, CI/CD, Cloud Architecture • AI & Generative AI: LLMs, RAG, AI Agents, Chatbots, Embeddings, AI Integrations and Automation • Architecture & Engineering: Microservices, REST APIs, Distributed Systems, System Design, Scalable Architecture Services I Offer • Custom Website & Web Application Development • Mobile Application Development • SaaS Product & MVP Development • Enterprise Software Solutions • CRM, ERP & Business Management Systems • API Development & Third-Party Integrations • AI-Powered Applications & Intelligent Automation • Cloud Migration, Deployment & DevOps • Technical Consulting & Software Architecture My Approach I focus on understanding business requirements, choosing the right technology, building maintainable architectures and delivering solutions that can grow with the business. Whether you are a startup looking to build your first MVP or an established business modernising its technology, I can help take your idea from concept to production. Available for international projects, long-term development partnerships and technical consulting.

Senior Full-Stack Software Engineer with 10 years of experience designing and delivering web and mobile applications. Experience spans React, Next.js, Node.js, ASP.NET Core, Laravel, Go, Java, and Python, with work on multi-tenant SaaS platforms, real-time streaming applications, and REST APIs. Brings strengths in UI/UX, problem-solving, database optimization, test-driven development, and cloud deployment.

Ingenuity AI

AI Architect & Full-Stack Developer

Ingenuity AI Pvt. Ltd. is an AI-focused software development company helping businesses transform ideas into intelligent, scalable digital solutions. Founded by experienced engineers with backgrounds at Microsoft and Oracle, we specialize in AI application development, custom AI agents, intelligent chatbots, business process automation, web application development, fintech solutions, and enterprise software integrations. Our team combines technical expertise, innovation, and a business-first approach to deliver solutions that solve real-world challenges. Our Core Services: AI Application & AI Agent Development Custom Chatbots & Conversational AI AI Integration & Business Automation Web Application & SaaS Development Fintech & Enterprise Software Solutions API Development & System Integration Dedicated Software Development & Engineering Support We partner with startups, small businesses, and established organizations to build new products, improve existing systems, and accelerate digital transformation. At Ingenuity AI, we don't just write code — we build technology that helps businesses grow. Website: https://www.ingenuityai.org Email: [email protected]

Webelight Solutions pvt. Ltd.

With over 10 years of experience, Webelight Solutions is an AI-driven software development company based in Ahmedabad, India. Whether launching a new product, entering a new market, or upgrading an existing solution, we help you achieve your business goals efficiently. What Domains Have We Worked For With over a decade of expertise and a track record of 500+ successful projects in 25+ countries, we have helped businesses across industries unlock their true potential and achieve exceptional results — Fintech, Healthcare, Retail, Travel, E-learning, Real Estate, and Energy. What We Bring to the Table ► Accelerated Time to Market—Our agile development process accelerates the time it takes to launch new products, enter markets, or upgrade existing solutions. ► Tailored Solutions: Every solution is crafted to address your specific business challenges, ensuring alignment with your mission and objectives. ► Scalable Growth: Our AI-driven technology prepares your business for growth by automating processes and improving efficiency. ► Global Expertise: With a team of 110+ skilled professionals, we bring world-class innovation to your doorstep, no matter where you’re located. What are our services  ►Discovery Phase Services | MVP Solutions | CTO Services ►AI/ML Development | Custom Software Development | Mobile App Development ►Blockchain | Advanced Automation | DevOps & Cloud | UI/UX Design

Bac Ha Software Co., Ltd.

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

4Mation

Develop a competitive advantage with high quality, reliable and scalable custom software development for innovative companies.