Top 50+ Java companies

Cyvy Online is a full-stack development agency specializing in custom software solutions, from eCommerce platforms and automation tools to mobile apps and enterprise systems. We combine expertise in JavaScript/TypeScript, Python, Java, Kotlin, C#, and modern frameworks like React, Next.js, NestJS, Django, and Flutter to build scalable, high-performance applications tailored to your business needs. Our team has delivered projects across diverse industries, including: eCommerce (Next.js/NestJS platforms with payment integration and role-based admin systems). Automation (Python bots for data processing, like our medical research publication bot for academic journals). Gaming (real-time anti-cheat systems for Battlefield 3 servers). Mobile & Web Apps (Flutter for retail solutions, Django for classified ads portals). With experience in Docker, MongoDB, MySQL, and RESTful APIs, we ensure secure, efficient, and user-friendly solutions. Whether you need a custom web app, API integration, or a complete digital transformation, we provide end-to-end development—from design to deployment—with agile methodologies and transparent collaboration.

At GlobalEdge Solutions, we empower businesses worldwide with innovative, reliable, and scalable digital services. We are a team of experienced professionals specializing in software development, web & mobile applications, database management, project management, and virtual assistance. Our agency was built on the belief that technology should be a driving force for growth and efficiency. With expertise spanning multiple industries, we deliver tailored solutions that combine technical excellence, creativity, and strategic insight. 💡 What We Do Software Development – Robust, scalable, and maintainable applications designed to meet unique business needs. Web & Mobile App Development – Intuitive, user-friendly, and globally accessible digital products. Database Management – Secure, optimized, and reliable data solutions to power your business. Project Management – Agile-driven strategies to ensure projects are delivered on time and within scope. Virtual Assistance & Data Services – Professional support to help businesses stay organized and efficient. 🌟 Why Choose Us? ✔ International-client–friendly approach with proven global experience ✔ A versatile team skilled across tech, design, and operations ✔ Commitment to quality, confidentiality, and on-time delivery ✔ Strong focus on collaboration and client satisfaction At GlobalEdge Solutions, we don’t just complete projects—we build long-term partnerships by delivering solutions that drive measurable results.

A Team of working professionals specializing in software development and cutting-edge technology. We bring 2-5 years of solid experience in key areas to deliver exceptional results for your projects. Our Expertise: Artificial Intelligence (AI) & Data Solutions Backend Development & Frontend Development Automation Cloud Services Why Choose Us? We have a proven track record of successfully completing a wide range of projects, consistently achieving the highest levels of client satisfaction. We are committed to on-time delivery and turning your vision into a reliable, high-quality product. Let's build something great together!

NeuroNova AI Solution — Practical AI and Custom Software for Real Businesses NeuroNova builds and upgrades websites, mobile apps, and data-driven systems enhanced by artificial intelligence and customizable machine learning. We design around real workflows—not generic templates—and balance capability, cost, and speed. For each project we choose the most practical path: integrate proven AI APIs when efficiency matters, or develop custom ML models when precision, privacy, or long-term ownership are required. Every decision is guided by your goals and constraints. What we deliver: * Tailored web and mobile apps that go beyond template limits. * AI/ML integration (API-based or fully customized, with clear cost/performance balance). * Full-stack development, DevOps, CI/CD, and cloud deployment on AWS, Cloudflare, and Aliyun. * Optional long-term operations: monitoring, security hardening, fast incident response. Why clients choose us: * Not a template shop; built for complex and non-standard requirements. * Cross-region readiness; fluent with North American and Chinese ecosystems (clouds, payments, compliance). * Cost-effectiveness first; design choices are ROI-driven with transparent budgets. * Reputation-building rates during our early Upwork stage. Team (2 core members): **Yang Qiu — CEO and AI/ML Lead** Software developer and data scientist with 6+ years across backend, cloud, and applied AI. Led clinical decision-support research at Zhujiang Hospital (China) and previously founded a startup delivering ML solutions for enterprise and healthcare. Skilled in Python, Java, TensorFlow, PyTorch, Spark, Docker, and AWS/GCP/Azure. Multilingual in English, Mandarin, and French. M.Sc. in Applied Computer Science (FDU Vancouver, in progress). **Yang Zhao — Full-Stack and Cloud Lead** Java/Spring Boot and front-end (Vue/Nuxt, React). Designs APIs and architectures, manages CI/CD and multi-region deployments. Experienced with AWS, Cloudflare Zero Trust, Docker, and GitHub Actions. Multilingual (English, Chinese, Japanese N1). Focused on secure, maintainable, data-driven delivery with end-to-end ownership. Typical use cases: * Custom e-commerce, booking, membership, or ticketing systems. * Multilingual chat/translation tools and AI-assisted content or analytics. * Data dashboards, recommendation engines, and predictive insights. Our mission: To make intelligent, scalable, and cost-effective software accessible to small teams and growing businesses—turning ideas into reliable, AI-enhanced products that work in the real world.

Design, debug, and build software applications Perform code walk-throughs to ensure code correctness Work with other engineers to architect, build, and test new features Participate in code reviews and test designs Work in an agile environment to release software on a regular schedule Test software applications and debugging to ensure that they meet business requirements Troubleshoot existing software and resolve any problems Work with business analysts to define software development lifecycle requirements Conduct design reviews to confirm that software architecture is sound

US-based development team collaborating with talented developers across the globe. Dedicated to providing value to clients by delivering complete deliverables within a tight timeframe. Back end stack: AI/ML integrations, Python, Node, TypeScript, React, Next, C#, Java, Go, Rust, Solidity Front end stack: HTML, CSS (SASS), JavaScript (jQuery), WordPress, PHP Some of our projects include: 1. inflight.co: Implemented important back end features, including the auth system, the AI design feedback system, the Slack bot, the automated mailing system, the drawing canvas, and the Figma plugin. 2. newlywedsfragrances.store Designed and developed a custom E-commerce solution which saves client hundreds of dollars/year in expensive WooCommerce plugins by enhancing and integrating individual plugins to create a comprehensive box-based subscription model. It mimics AutomateWoo, Woo Subscriptions, and Woo Custom Product Boxes functionality WITHOUT the $400/year price tag. 3. https://www.fairmint.com/ Fairmint is a platform that transforms tangible assets into fractional digital ownership. I focused on refining the user experience, integrating blockchain features, and ensuring operational excellence. Designed an intuitive interface and interactive visualizations for managing digital shares using React.js, Highcharts, and D3.js, making asset management accessible to a broader audience. Implemented state management with Redux and middleware (redux-promise, redux-thunk, redux-saga) to ensure smooth and predictable application flow. Developed and optimized REST APIs with Fastify, integrating Prisma, Postgres, and Redis for efficient and reliable data handling. Built Web3.js integrations to enable blockchain-based share ownership, transactions, and real-time asset data retrieval. Monitored and fine-tuned Node.js services for continuous performance improvements. Integrated Twilio and SendGrid for secure authentication and multi-channel user notifications (SMS and email). Utilized Postman for thorough API testing and validation throughout the development lifecycle. Created unit tests with Jest and Enzyme to ensure maintainable, high-quality code. Tech Stack: React.js, Redux, Next.js, Node.js, Web3.js, Semantic UI, TailwindCSS, Sentry, AWS, Hubspot, Twilio, SendGrid, REST APIs, D3, Enzyme, Git, Jenkins Please refer to our portfolio for more projects and code. We are looking forward to partnering with you to deliver the highest quality code solutions with a budget that works for your organization. Thank you.

We are a full-service software development agency delivering powerful, scalable, and custom-built solutions for businesses worldwide. At the core of Algokok is a team of passionate and experienced developers with expertise in: ⦁ 🌐 Web Development - (React, Node.js, Django, WordPress) ⦁ 🤖 AI Applications & Automation ⦁ 🔎 Search Engine & Data Solutions ⦁ ☁️ Cloud Hosting & Infrastructure - (AWS, Docker) ⦁ 💸 Fintech & Custom Business Platforms ⦁ 🔧 More Solutions... We’ve successfully built AI tools, student management systems, hosting platforms, e-commerce sites, and fintech applications, always focusing on performance, security, and user experience. ✅ Why Choose algokok ? * End-to-end project management * Scalable and future-proof solutions * Transparent communication & on-time delivery * Dedicated support after launch 🌟 Tagline: Now available for full-scale Web Development & Software Projects - let’s turn your ideas into reality. 🌐 Visit us: www.algokok.com 📱 WhatsApp: +91 9476164172

We are a Europe-based software development agency specializing in API development and integration, Java/Spring backend development, and Angular frontend development. Our team is led by Khalil Bouzekri (Lead Engineer — Java/Spring/Angular), who oversees all development activities and ensures clear communication, reliable delivery, and clean, maintainable code. Our Core Technical Skills - REST API Development - API Integration (CRM, ERP, Custom Workflows) - Java Development / Java Backend / Java Microservices - Spring Boot, Spring MVC, Hibernate - PostgreSQL, SQL Optimization, Database Design - Angular Development (Angular Frontend, Angular UI) - Full-stack Development (Java + Angular) What we deliver - Custom API development for web, mobile, and enterprise systems - Secure API integrations between platforms (SaaS, internal tools, cloud services) - High-performance Java/Spring backend services and microservices - Scalable Angular frontends with clean architecture - End-to-end software development: design → architecture → development → deployment Why Clients Choose Us - Senior developers with strong real-world experience - Proven track record building complete solutions from scratch - Fast, clear communication and structured project management - Ability to join existing teams or deliver full standalone projects We are open to new API, backend, or full-stack development projects and ready to take on challenging technical work. If you are looking for a Java/Spring developer, an API integration expert, or a full-stack Angular + Java team, we’d be happy to help!

At Quantum Edge Software Solutions, we help businesses scale with Cloud, Web, IT, and HR solutions. Our team combines expertise in AWS & DevOps, Web Development, Technical Support, Desktop Support, and HR services to deliver end-to-end solutions for startups and enterprises. What We Do: 🚀 Cloud & DevOps: AWS, CI/CD, Kubernetes, Terraform, Serverless 💻 Web Development: Custom apps, APIs, responsive websites, e-commerce 🛠 Tech & Desktop Support: IT support, server & network management, troubleshooting 👥 HR Solutions: Staffing, outsourcing, onboarding, process automation ✅ AWS & Azure Certified | ✅ 6+ Years Experience | ✅ Global Clients 🌟 Why Choose Us? ✔ Skilled Team ✔ Affordable Solutions ✔ Reliable Support

🚀 AI-Powered Development Agency | 50+ Products Built Built by ex-startup engineers who understand the urgency of bringing your vision to life. We leverage AI to accelerate development and deliver production-ready solutions in weeks, not months. What Makes Us Different: ✅ AI-First Approach - 5x faster development with cutting-edge AI workflows ✅ Startup Veterans - 10+ years experience with 50+ successful startups ✅ Lightning Fast - 60-day MVP delivery timeline with 4.5-star rating ✅ Cost Effective - 5x cheaper than traditional agencies Core Services: Technical MVP Development - Concept to launch with AI-powered workflow Full-Stack Development - Modern stack (React, Next.js, Node.js, PostgreSQL) AI & Machine Learning - Custom models, NLP, workflow automation Mobile Development - Cross-platform apps with seamless UX Platform Engineering - DevOps automation, CI/CD, scalable infrastructure Code Quality Audits - Security assessments, performance optimization Perfect For: Startups needing rapid MVP development, AI integration, scalable applications, and enterprise-grade solutions. Remote-First Team | Worldwide Service | Proven Results Ready to transform your idea into reality? Let's build something amazing together.

ABOUT MYSELF "Experienced Supervisor | Skilled in Team Leadership & Project Management | Strong Problem-Solving Abilities" Experienced Professional having strong 10+ years of experience in Sales and Supervision.

We are a digital tech company specializing in automation and custom software development solutions, digital integration and transformation. We support businesses to improve efficiency in various industries like education, banking & financial sectors, health care etc. Our team works as individual project managers for easy-to-do jobs & for complex projects we deploy dedicated teams, no mix up. The model makes the team agile and lean at the same time. We are comfortable with most technologies and have expertise in C#, .Net, Java, Python to name a few and have experience in API integrations, cloud transformations etc.

Senior Software Engineer & Architect (20+ yrs). Enterprise backends, microservices, event-driven systems, performance optimization, observability/SLOs, CI/CD, cloud-native on AWS. Worked on trading platforms (Moscow Exchange) and large-scale consumer services (Alexa Communications). Remote contractor for US/EU/CA clients. UTC+5 overlap; fixed-price audits, reliability sprints, retainers.

We are a seasoned team of engineers with professional experience at leading global companies, including Samsung and top FANG organizations. Our expertise lies in building and scaling backend systems and working with large-scale data infrastructure. We bring a solid foundation in distributed systems, data pipelines, and high-performance backend services. What We Offer: • Backend Development: Microservices architecture, RESTful APIs, gRPC, Node.js, Java, Python, Spring Boot. • Big Data & Data Engineering: ETL pipelines, Spark, Hadoop, Kafka, Snowflake, AWS/GCP/Azure data services. • Cloud & DevOps: CI/CD pipelines, Docker, Kubernetes, serverless architecture. • Database Systems: SQL/NoSQL (PostgreSQL, MongoDB, DynamoDB, Cassandra). • End-to-End QA – Functional, Regression, User Acceptance, Usability testing. • Test Documentation – Test plans, sanity/regression suites, “must-work” use cases, and workflow diagrams. • Product Analysis – Reviewing requirements, refining user flows, and ensuring feature alignment with business needs. • Release Management – Coordinating QA and dev teams across multiple OS platforms (Windows, macOS, iOS, Android). • Message & UX Review – Evaluating app messaging, reviewing designs, and providing usability feedback. Why Work With Us: • Proven track record with enterprise-grade systems. • Strong understanding of scalable and reliable architecture. • Agile and efficient delivery with clear communication. • A collaborative mindset to partner closely with clients and solve real-world problems.

DAX – Building Smart Web, Mobile, and Desktop Solutions We create complete solutions across web, mobile, and desktop platforms, enhanced with AI-driven features where needed. From UI/UX design, development, and testing to deployment and support, we handle every step of the project lifecycle. Whether you need a custom application, a complex system, or AI-powered automation, we turn your requirements into fully functional solutions. Our expertise spans technologies including Java, C#, .Net, C++, VB.Net, PHP, Python, Angular, React, Vue.js, JavaScript, Node.js, SQL, MySQL, MongoDB, PostgreSQL, Oracle, and AI/ML tools to deliver smart, scalable, and adaptive systems. How We Collaborate: We Take Charge: You share your vision, and we manage the project end-to-end, integrating AI or automation solutions where relevant, keeping you informed at every stage. We Work Together: We seamlessly integrate with your team, ensuring alignment, transparency, and smart problem-solving throughout the process. We Build Your Team: Need specialized skills, including AI experts? We can quickly add the right professionals to support your project. Using the Scrum framework with an agile mindset, we adapt quickly to changes, delivering high-quality results efficiently. Our Team: Experienced, versatile, and fluent in Albanian, English, German, and Turkish, we ensure effective collaboration with clients worldwide. Energetic and curious, we embrace AI and innovative technologies to enhance every solution we deliver. At DAX, we deliver not just projects, but smart, AI-enhanced solutions that work for you, on time and with excellence.

GemeTek is a boutique technology agency founded by a team of expert full-stack and mobile developers. With a reputation for precision, creativity, and reliability, GemeTek transforms complex ideas into scalable, high-performing digital solutions. 💡 What We Do Mobile Development – Building robust iOS and Android apps that deliver seamless user experiences. Full-Stack Engineering – Designing and implementing scalable web applications from frontend to backend. Product Support – Offering reliable, long-term technical support to keep systems secure and optimized. 🔥 Why Choose GemeTek? Expertise at the Core: Our developers are seasoned professionals (“dragons” of their craft) who bring mastery, speed, and accuracy to every project. Agility + Quality: We combine startup-level agility with enterprise-grade quality to deliver on time without compromise. Client-First Mindset: Whether it’s building MVPs for startups or maintaining enterprise solutions, we align our process to client goals. 🌍 Mission At GemeTek, our mission is simple: to empower businesses through technology that’s elegant, reliable, and built to scale. We see ourselves not just as coders, but as partners in innovation.

Moneycore is a consulting firm focused on electronic banking, payment systems and technology-driven digital transformation. We offer services in cybersecurity, software development, cash management, monitoring & strategy, and R&D. Mission & positioning We aim to guide clients through change with “smart technologies and best-in-class expertise,” to reduce costs and accelerate results. Scale & footprint ~200 employees 2021 revenue: ~€17M Offices / presence: France (headquarters in Courbevoie / Colombes) + locations in the U.S., Tunisia, Morocco, Dubai / UAE Here’s a list of services offered by Moneycore / its IT arm (Moneycore Smart): --- ## Core Services Provided by Moneycore From the consulting / payment-services side: * Electronic banking & means of payment consulting * Cybersecurity: audits, incident response, security design, training & awareness, digital identity * Software development (web, mobile, IoT) & infrastructure (Cloud / SaaS / PaaS) ( * Monitoring & strategy (market intelligence, regulatory / tech watch) * Research & innovation (via SmartLab, internal R&D, co-creation * Cash & liquidity management: optimizing liquidity, cash pooling, virtual accounts, channel management, integrating innovations like open banking, blockchain/DLT * Digital transformation (Digital Factory, Data Factory) * White-label digital payments / wallet platform (Moneycore Pay) with features like NFC, QR, wallet-to-wallet, fraud detection, eKYC etc. * Embedding AI into payments & banking infrastructure --- IT & Software / Outsourcing Services (Moneycore Smart) * Managed Services & IT operations support * AI development & integration (custom AI applications) * IT Consulting & Advisory * Generative / advanced models (via AI development) * Web & mobile application development * Cloud services (migration, infrastructure, SaaS/PaaS) * Custom software / product development * ERP solutions, hybrid apps, backend & frontend development * Business Intelligence & analytics (data insights, reporting)

Cubexo Software Solutions LLP is a trusted technology partner with 6+ years of proven experience in delivering innovative and scalable digital solutions. With a team of 100+ industry experts, we specialize in web and mobile app development, UI/UX design, DevOps, blockchain, and cloud solutions. Our mission is simple: to help businesses build profitable digital products by combining creativity, technical excellence, and customer-first values. We’ve successfully delivered 67+ projects for clients across industries, ensuring efficiency, growth, and measurable impact. At Cubexo, we believe in diversity, transparency, respect, and integrity, making us more than just a service provider — we are your long-term growth partner. Whether you’re a startup chasing a big dream or an enterprise scaling to the next level, our agile and impactful solutions ensure your success. ✅ 6+ Years of Experience ✅ 100+ Experts ✅ 40+ Happy Clients ✅ 67+ Projects Delivered Let’s collaborate to turn your ideas into powerful digital realities.

I'm the founder of Vorosoft, a boutique product engineering and application development company. We partner with ambitious startups and established businesses to build robust, scalable, and intuitive software. Our mission is to help you transform your ideas into exceptional digital products. We specialize in the full product lifecycle, from initial concept and design to development, deployment, and ongoing maintenance. We pride ourselves on clean code, modern architectures, and a collaborative process that keeps you in the loop every step of the way. Whether you need a new mobile application, a complex web platform, or help scaling your existing product, Vorosoft is equipped to deliver. Let's build something great together. Languages I can deliver work with: ~ JavaScript ~ TypeScript ~ Python ~ Node ~ Java, Springboot ~ HTML/JSX ~ CSS/SCSS Frameworks that we can deliver are: ~ Angular ~ React ~ React Native ~ Django ~ Express Delivery model will be: ~ Scrum ~ Agile development ~ Design thinking Happy to quickly jump on a call and discuss how we can make your next idea happen.

We are IT Swiss Power Vision, a trusted provider of senior SAP talent for complex international projects. Our company specializes in supplying pre-vetted, high-level SAP experts ready to integrate seamlessly into your team. What We Offer: - Senior SAP Specialists: 12+ consultants and developers with 10+ years of experience in SAP ABAP, SAP FICO, MM, SD, S/4HANA, and BTP. - Competitive Rates: Starting from €100 per hour (negotiable based on project requirements). - Quick Start: Specialists can begin within days, either remotely or on-site. - Project Flexibility: We consider projects from 3 months with adaptable scheduling options. Our experts have a proven track record in sectors such as manufacturing, finance, logistics, and retail, ensuring efficient and innovative solutions tailored to your needs. Attached are several CVs of our top specialists for your review. We welcome your feedback and would be happy to discuss how we can support your current or upcoming projects.