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]

Damco Solutions is a US-based technology solutions and IT Services company providing customer-centric services in digital, data, and product development. Our deep industry knowledge, ingenious IT services and solutions, proven capabilities in current and emerging technologies, mature development and testing processes- make us a trusted partner of clients worldwide. Strengthened by CMMi and IS0 quality certifications, we facilitate customers to compete in the fast-paced market dynamics and build a sustainable business advantage. In the past few years our top successful projects have featured lift and shift to cloud, platform-led modernization, app refactoring, UI/UX or code modernization, and emerging tech adoption. We have a vast pool of experienced resources available on and offshore, under flexible arrangements- software developers, QA analysts, data engineers, project managers, UI/UX designers, digital marketers, and C-level technology consultants. Contact us to get a ballpark estimate for Web & Application Development, CMS & Ecommerce, Mobile App Development, Data Analytics, Machine Learning, Robotic Process Automation, and Blockchain projects.

Global Key Info Solutions

Looking for a reliable Mobile App Development Company in India? Global Key Info Solutions provides custom mobile app development services for startups, businesses, and enterprises. We specialize in Android App Development, iOS App Development, Flutter, and React Native solutions tailored to your business requirements. Our experienced team develops scalable, secure, user-friendly, and high-performance mobile applications designed to help businesses improve customer engagement and accelerate growth. Our Services Include: • Android App Development • iOS App Development • React Native App Development • Flutter App Development • Custom Mobile App Development • UI/UX Design • App Maintenance & Support Choose Global Key Info Solutions for innovative and business-focused mobile app solutions. Contact us today to discuss your mobile app idea and get a customized consultation.

Dev Loader, LLC

Dev Loader is a founder-led Laravel studio operated by Dev Loader, LLC, a US-registered company (est. 2021). We help founders and product teams rescue, upgrade, and finish Laravel SaaS applications — and build the React, Node, and mobile front ends around them when the product needs them. What we do: Laravel Application Rescue — Your previous developer disappeared, the codebase is undocumented, and deployment is fragile. We take over the repository, stabilize production, and deliver a written stabilization plan within the first sprint. Laravel Upgrade Service — We upgrade legacy Laravel applications (5.x through 11.x) to Laravel 12/13 and PHP 8.3+, including dependency audits, test-suite repair, and zero-downtime migration plans. Laravel SaaS Development — Narrow, well-scoped SaaS MVPs built on Laravel, Livewire, Filament, and Stripe billing. Audit $299 → rescue sprint $1,000 → feature build $2,500 → SaaS MVP from $6,000. Filament & Livewire Development — Custom admin panels, dashboards, and reactive interfaces on the TALL stack (Tailwind, Alpine, Livewire, Laravel). Performance Optimization — Query profiling, caching strategy, queue tuning, and Core Web Vitals improvements for Laravel applications under load. How we work: Fixed scope, fixed price — Every engagement starts with a written proposal. No surprise hourly invoices. Direct founder-engineer delivery — You work with the senior engineer who builds your project. No account managers, no rotating contractor bench. Full transparency — Repository access from day one, milestone-based delivery, and complete source code ownership at handoff. No hosting lock-in. Who we work best with: Technical founders, small product teams, and agencies running Laravel applications — especially SaaS products that are 80% built and stalled, running outdated Laravel versions, or suffering from performance problems under growth. We deliver remotely worldwide from our registered office in Washington, DC, with replies within one business day.

indibus software

Indibus Software is a leading IT services and software development company delivering innovative digital solutions for businesses worldwide. We specialize in AI development, custom software solutions, web and mobile app development, cloud migration, DevOps, and IT staff augmentation services. With expertise in modern technologies like Flutter, React Native, AI automation, and LLM integration, we help startups and enterprises build scalable, secure, and high-performance digital products that drive business growth and digital transformation.

Spatial Guide

Spatial Guide is an AI-powered technology company developing spatial intelligence solutions, including the GuideXR Stockpile app for smart stockpile measurement in the mining and construction industries.

codezens soft solution

CODEZENS Soft Solutions is a renowned IT service provider established in 2018, dedicated to offering secure and cutting-edge technological services. With our operational base in the United States and a committed team in Indore, India, we serve clients from diverse industries, ensuring tailored and powerful digital experiences. We develop high-quality Android and iPhone applications that excel in user experience while fulfilling diverse business needs. Web Design and Development: Our specialists create responsive and visually appealing websites that focus on performance and usability, ensuring a strong online presence for our clients.

Sobonix Solutions | AI, SaaS & Custom Software Development Company USA

Sobonix is an AI, SaaS & Custom Software Development Company USA helping startups, SMBs, and enterprises build secure, scalable, and innovative digital solutions. As a trusted custom software development company USA, we specialize in AI application development, SaaS product engineering, custom web and mobile applications, enterprise software, cloud-native solutions, API integrations, and digital transformation. Our team delivers tailored software that improves operational efficiency, accelerates business growth, and creates long-term value. Businesses looking for reliable custom software development companies in USA choose Sobonix for quality, innovation, and customer-focused development.

TechAvidus Pvt Ltd

TechAvidus is a trusted software development company that helps businesses accelerate digital transformation through innovative technology solutions. We specialize in custom software development, web and mobile app development, cloud solutions, AI-powered applications, and enterprise software. With a customer-first approach and agile development practices, we deliver scalable, secure, and high-quality digital products that drive business growth and long-term success.

DigiGo

DigiGo is a digital guest check-in and KYC platform designed to simplify hotel operations while enhancing the guest experience. It enables hotels, resorts, homestays, and other accommodation providers to collect guest information digitally, verify identities, and manage check-ins efficiently without relying on paper-based processes. The platform helps reduce front-desk workload, improve operational efficiency, and maintain accurate guest records in a secure and organized manner. With features such as digital registration forms, ID verification, real-time data management, and streamlined guest onboarding, DigiGo allows hospitality businesses to deliver faster and more convenient check-in experiences. Built with a focus on compliance, security, and ease of use, DigiGo supports accommodation providers in modernizing their guest management processes while saving time and improving service quality.