Discover JavaScript developers and agencies

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.

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]

Elena Pupausis

CEO & Co-Founder | IT Solutions & Technology Partnerships

I am the CEO and Co-Founder of ALMAXIA BioSystems, an international technology company based in Moldova. Together with my partner, Maxim Bukreev, we designed the architecture of an intelligent IT platform for integrating, processing, and analyzing complex data. Our team specializes in end-to-end IT solutions, SaaS platforms, web and mobile applications, business process automation, AI integration, semantic technologies, ontologies, and graph databases. Our expertise also extends to AgriTech, ESG, carbon credits, biomass monitoring, biochar, and environmental data verification systems. I lead the company's strategic development, international partnerships, and negotiations with businesses, investors, financial institutions, and government organizations. We are open to outsourcing projects, long-term technology partnerships, and developing customized IT solutions for companies worldwide. ALMAXIA BioSystems - Turning Complex Ideas into Powerful Technology Solutions.

I'm the Founder of Alphabyte, a software development company helping businesses turn ideas into scalable digital solutions. We specialize in website development, mobile applications, custom CRM and ERP systems, e-commerce platforms, and business automation. Our goal is to help startups and established businesses improve operations, solve problems, and grow through technology. We believe in building practical, reliable, and user-friendly solutions that create real business value. Let's connect and bring your next digital project to life. Alphabyte — Build. Automate. Grow.

Designpluz

Designpluz is a well-known Software Development and Web Design Company located in the creative and fast-paced centre of Sydney, where creative design and technology meet. We have been providing great website design, custom software, and mobile apps for over 17 years. Our comprehensive approach merges design, function and strategy to create impactful outcomes in all types of industries. In our passion for innovation, our creative team of experts is committed to providing custom websites and scalable applications while implementing powerful online marketing strategies for businesses of all sizes, enabling success, growth, and success. At Designpluz, we believe there is more to fulfilling the ordinary experience; we craft inspiring, engaging, and highly impactful digital experiences.

Abto Software

Abto Software is a product engineering company specializing in AI-driven solutions, healthcare technology, and enterprise software development. Founded in 2007, Abto brings deep technical expertise to organizations navigating digital transformation — with particular strength at the intersection of artificial intelligence and mission-critical industries. Healthcare & AI at the Core Abto's healthcare practice spans clinical decision support, medical imaging analysis, patient data management, and hospital workflow automation. The company builds HIPAA-compliant systems that integrate AI into diagnostics, remote patient monitoring, and EHR platforms — helping providers reduce friction and improve outcomes without compromising data integrity. On the AI side, Abto operates one of the largest Computer Vision departments in Eastern Europe. Their team delivers production-grade Intelligent Video Analytics, automated Data Extraction pipelines, and robust vision systems for real-world deployment — from OCR and document processing to object detection and scene understanding. Transportation Intelligence Abto is a recognized engineering partner for Advanced Driver Assistance Systems (ADAS) and Intelligent Transportation Systems (ITS), building perception layers, sensor fusion modules, and traffic analytics platforms that power smarter mobility infrastructure. Technology Stack Abto's engineering backbone centers on the Microsoft ecosystem — .NET framework, Azure cloud services, and enterprise-grade Windows environments — complemented by cross-platform capabilities in Python, C++, Java, and modern JavaScript frameworks. The team is fluent in MLOps, computer vision pipelines (OpenCV, TensorFlow, PyTorch), RESTful and microservice architectures, and CI/CD-driven delivery across cloud and on-premise deployments. Why Abto With 300+ engineers, 15+ years of delivery experience, and a portfolio spanning Fortune 500 clients and fast-scaling startups, Abto Software is the partner of choice for companies that need AI built right — not just built fast.

Beitroot LLC FZ

We specialize in MVP development, We will help you ship better apps, faster. Whether you're a startup looking to build an MVP or an established business seeking scalable solutions. Our team of expert engineers delivers user-friendly mobile apps and custom web applications.

MEV LLC

We exist to make software development feel like a partnership you can count on. What sets us apart? We actually give a damn. We care about what you're building, why you're building it, and what’s getting in your way. We don’t nod along and do what we’re told if we think it’s going to break later. Our goal is making life easier for product leaders, founders, and tech execs who are under pressure to deliver.

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

Saritasa

Technology solutions company delivering cloud app development, IoT systems, and cloud integrations.

Vincit

Award-winning agency providing tailored cloud and digital services to clients globally.

Scopic

Global software agency delivering cloud-native solutions, custom web apps, and DevOps services.