Top 50+ Java companies

We are a bilingual (English/Spanish) remote agency specializing in high-throughput genomics, quality assurance/testing, technical support, and professional interpretation and translation services. With over 25 years of combined expertise, we deliver precise, reliable, and efficient solutions to clients worldwide, supporting scientific projects, software QA, customer success, and multilingual communication needs.

Altamira Software designs and delivers complex, high-performance software solutions for clients across diverse industries. We combine strategic vision with deep technical expertise, bridging business needs with scalable, future-proof technology. Our technical capabilities include: Frontend & Mobile: React, React Native, Flutter, Angular, Next.js, NestJS Backend & APIs: Spring Boot, Node.js, REST & GraphQL architectures Cloud & Infrastructure: Google Cloud Platform (GCP), Firebase, Terraform, CI/CD automation Databases: PostgreSQL, MongoDB, Oracle Database DevOps & Scalability: Infrastructure as Code, containerized deployments, high-availability systems What sets Altamira Software apart is our ability to own projects end-to-end, from architecture and development to performance optimization and ongoing support. We ensure every solution is not only functional and high-performing, but also maintainable and aligned with long-term business goals. If you need a software development partner who can architect, build, and scale exceptional software, we’re ready to deliver. For more details about our services please visit: https://altamirasoftware.ro/en

Shivantra Solutions Private Limited is a software consultancy and development organisation, delivering customised software development and integrations of existing systems. Our passion for technology drives us to continuously learn and grow, staying ahead of the curve in an ever-changing digital landscape. With over a decade of experience, we know the technique when it comes to building things. Our guiding principles are founded on three key pillars: agility, innovation, and excellence. We pride ourselves on our ability to execute swiftly, leveraging our technical expertise and efficient processes to deliver results in a timely manner. Our commitment to creativity drives us to think outside the box, constantly seeking innovative solutions to meet the evolving needs of our clients. Above all, we uphold the highest standards of quality in our work, ensuring that every project we undertake is executed with precision and attention to detail. By embodying these principles, we strive to exceed expectations and drive success for our clients in every endeavor. Whether you're a small startup or a large corporation, we have the expertise and resources to deliver results. From simple websites to complex applications, we have the skills and experience to bring your ideas to life.

🚀 Full-Stack & Mobile App Development Agency | React | Node.js | React Native | Flutter | Firebase | AWS We are a team of experienced and results-driven developers with over 8 years of industry expertise, delivering high-performance web and mobile applications tailored to meet business needs. ✅ What We Excel At: 🌐 Full-Stack Web Development Frontend: React.js, Next.js, Tailwind, Bootstrap Backend: Node.js, Express.js, MongoDB, MySQL, REST APIs DevOps: AWS (EC2, S3), Docker, CI/CD Authentication: JWT, OAuth, Firebase Auth 📱 Cross-Platform Mobile App Development React Native & Flutter API Integration, Firebase, Push Notifications Google Play & App Store Deployment Pixel-perfect UI/UX Implementation 🛠 Tools & Workflow Git, GitHub, Figma, Postman, Redux, GraphQL Agile / Scrum Methodologies (Jira, Trello) 💼 Why Clients Choose Us: Clean, maintainable, scalable code Clear communication and timely delivery Deep understanding of business goals Flexible across time zones and workflows Whether you're a startup building from scratch or an enterprise scaling your product, we’re here to help turn your ideas into reliable, production-ready solutions. 📩 Let’s connect and explore how we can support your next big project.

We are a team of senior software engineers and designers with over 12 years of collective experience building high-quality mobile and web applications. From intuitive front-end interfaces to scalable backend systems, we specialize in delivering custom software solutions that meet real business needs. Our team has deep expertise across platforms and technologies like iOS, Android, Flutter, web, and backend, allowing us to take projects from concept to launch, and beyond. Whether you’re a startup building an MVP or an enterprise scaling your tech stack, we bring the right mix of strategy, technical skill, and attention to detail. Core Competencies: • iOS Development: Swift, SwiftUI, Objective-C • Android Development: Java, Kotlin • Cross-Platform Apps: Flutter (Dart) • Web Development: React, Angular, HTML, CSS, JavaScript, jQuery • Backend Systems: .NET, PHP, Ruby on Rails, Python, Node.js • API Integration & Database Design • Design: UI/UX Prototyping, Wire-framing, Social Media Design Our Approach: • Goal-driven development aligned with your business objectives • Agile mindset with room for iteration and feedback • On-time delivery with a focus on long-term value and maintainability • Transparent communication, progress tracking, and post-launch support We’ve helped clients around the world turn ideas into reliable products, and we’d love to do the same for you.

We are IT Grows, a software development agency from Novi Sad, Serbia. We build innovative IT solutions by combining years of experience and modern technologies in AI development, custom web/mobile applications, and dedicated teams. With us, you get efficiency, flexibility, and transparency in cooperation. Why clients choose us: - International projects with transparent terms - On-site or remote teams, based on needs - Strong focus on AI technologies (ML, NLP, generative AI) - Team setup in under 48 hours - Reduced costs without sacrificing quality

About Us We’re a 8+ year software agency building web apps, mobile apps, and AI solutions for clients worldwide. Our Expertise Full-Stack Development: React, Vue.js, Node.js, REST APIs, GraphQL Mobile Apps: iOS (Swift, Objective-C), Android (Java, Kotlin), cross-platform (Flutter, React Native) AI: Image generation, AI chatbots, voice AI agents for customer care & IVR systems UI/UX Design: Wireframes, prototypes, and polished, responsive layouts Why Hire Us Extensive React, Flutter, and Node.js experience AI expertise in voice bots and chatbots Fast delivery with transparent communication

Hallo! Wir sind die Portino – Digital Solutions GbR aus Bremen. Gemeinsam mit meinem Team realisieren wir performante Web- und Cloud-Lösungen für kleine und mittlere Unternehmen. Wir vereinen moderne Front- und Back-End-Entwicklung mit stabiler Netzwerk- und Container-Infrastruktur – alles aus einer Hand, damit deine Anwendung reibungslos läuft und problemlos skaliert. Was wir liefern: - Individuelle Web-Apps & Sites – React, Next.js, Django oder Laravel, vollständig responsiv und barrierefrei - Cloud-Architektur & DevOps – Docker-Container, Kubernetes-Orchestrierung, CI/CD-Pipelines, Hosting auf AWS | Azure - Netzwerkdesign & -optimierung – sichere VLAN-Struktur, Monitoring, Lastverteilung und Hochverfügbarkeit - Managed IT-Support – proaktive Wartung, Updates und Performance-Überwachung - SEO- & Performance-Tuning – Lighthouse-Scores ≥ 90, strukturierte Daten, blitzschnelle Ladezeiten Warum wir? - Ganzheitlicher Ansatz – von der Idee über das Deployment bis zur Wartung nur ein Ansprechpartner - Transparente Kommunikation – klare Roadmaps, tägliche Updates; deutsch & englisch - Skalierbares Team – wächst bei Bedarf um erfahrene Spezialist:innen aus unserem Netzwerk - Bewährte Best Practices – saubere Workflows, automatisierte Tests und nachvollziehbare Dokumentation

Onestack Studio is a full-service digital solutions agency built to deliver intelligent, scalable, and user-centric products from the ground up. We bring together a team of highly skilled professionals across product strategy, business analytics, AI integration, full-stack development, automated reporting, and UI/UX design, offering a true one-stop experience for clients seeking complete digital transformation or smart, targeted solutions. Our approach is rooted in clarity, collaboration, and execution — we don't just build software, we design outcomes. Whether you need to validate a business idea, automate internal processes, launch a digital product, or integrate AI-driven features into your existing platform, we bring the right mix of expertise to make it happen. 🔧 What We Offer: 🧠 Product Strategy & Planning MVP consulting, feature scoping, and roadmap planning Wireframing, prototyping, and business-use case alignment 📊 Business Analytics & Reporting Automation Power BI dashboards, Excel-based automation, real-time insights Custom report generation (Excel/PDF) using Apache POI, Jasper, JXLS 🤖 AI-Enabled Applications & Automation OpenAI/GPT-powered tools, intelligent assistants, NLP features Workflow automation and AI-enhanced data processing 🌐 Full-Stack Development Frontend: React, Angular, TypeScript Backend: Java, Spring Boot, Node.js, Python, .NET Databases: MySQL, MongoDB, AWS S3, Temporal workflows 🎨 UI/UX Design & Branding Modern, responsive web & mobile design using Figma Branding, UI kits, and user journey optimization

Dynamic, detail-oriented, multilingual software engineer highly regarded for Manual Testing & Automation Testing. Recognized as an innovative tester, designer, developer, and coder with a versatile background in programming languages, web technologies, frameworks, and databases Known as an analytical engineer with a proven track record of excelling at learning new technologies and applying them to develop clean and well-structured code. Overall, 8 years of IT experience including 6 years of Automation testing for web and mobile applications. ➢ Created end to end automation solutions for clients as per requirement which involves feasibility study, designing architecture, development, testing and deployment of automation. ➢ Proven ability to understand business problems and able to apply technology to formulate workable solutions with excellent Interpersonal and Communication Skills. ➢ Strong experience in all phases of Software Development Life Cycle with Analysis, Design, Development, implementation, Integration, Testing, Debugging, Production and Maintenance. ➢ Exceptional experience in Manual Testing and Test Automation using selenium Webdriver. ➢ Good at Analysing & Debugging, Project Management, Defect Management and Test Management during all phases of testing. ➢ Strong working knowledge of Agile and water fall software development models, TDD and BDD using Junit and Cucumber. ➢ Significant experience in defect management and tracking. ➢ Experience in various levels of testing methodologies such as Smoke testing, functional testing, regression testing, API testing, performance testing, load testing, sanity testing, unit testing, cross browser testing and cross platform testing. ➢ Proven track record of meeting deadlines and ability to perform well under pressure. ➢ Ability to communicate effectively across teams and with clients to get clarification on requirements and providing great quality to ensure customer satisfaction. ➢ Potential to work both independently as well as a team member to achieve the common target in terms of software quality. ➢ Self-motivated and self-directed and passionate about learning new concepts of test automation. ➢ Domain expertise in telecommunications, trading, insurance and e-commerce applications. ➢ Detailed understanding of testing scope determination, test focus areas, risk assessment & managing the test effort ➢ Experience in both web and mobile application testing for Android and iOS platforms.

Are you looking to bring your idea to life with clean code, scalable architecture, and a modern design? You're in the right place! What We Offer: We build custom software solutions, websites, and apps tailored exactly to your needs — whether it's a personal site, a SaaS platform, a business portal, or a backend service. We have successfully delivered multiple projects across eCommerce and custom software solutions, consistently meeting client goals with clean, scalable code and intuitive design. Technologies We Work With: Java + Spring Boot (APIs, microservices, enterprise applications) Frontend: React.js, HTML/CSS, Tailwind, Bootstrap,NextJs Backend: Node.js, Express.js, MongoDB, MySQL, PostgreSQL Authentication & Security: JWT, OAuth2, Spring Security Deployment: Vercel, Heroku, DigitalOcean, AWS ,Azure, Docker Version Control: Git, GitHub Services Include: ✅ Full-stack website or web app development ✅ REST APWe development using Spring Boot ✅ Admin dashboards and CMS panels ✅ Integration with databases and third-party APIs ✅ Authentication systems ✅ Code optimization and bug fixing ✅ Hosting and deployment support Why Choose Me? Clean, maintainable, and well-documented code Responsive design for all devices Fast communication & reliable delivery Flexible pricing based on project scope Source code with documentation Live deployed link (on request) README and instructions (if needed) Whether you’re a startup, a business, or an individual with an idea — I’m here to turn your vision into a working product.

Enterprise software professional with over 15 years of experience in software development, product integration, and consulting. Experienced in working with complex enterprise systems, API architecture, and data-focused solutions. • Designed and implemented the integration of 3D-enabled authoring tool with Teamcenter PLM. Worked with various Teamcenter modules, including BMIDE, SOA, Dispatcher, Active Workspace, etc. • Implemented customer-oriented customizations to meet unique business and technical requirements. Proven track record of delivering projects that saved customers time, implemented solutions in the technical publication domain, improved publication efficiency, and increased service revenue. • Created MITIM XML Editor, a browser-based, fully functional, serverless WYSIWYG XML editor integrated to Teamcenter Active Workspace. Achieved Siemens Digital Industries Technology Partner status.

At Labstar, we drive the technological transformation of growing companies through custom digital solutions, specialized talent, and a results-driven strategic approach. We offer services in custom software development, IT consulting, staff augmentation, Data & AI solutions, and support for digital transformation. We combine technology, business vision, and agility to optimize processes, accelerate innovation, and scale operations efficiently.

Expert Software Solutions | Custom Web Development | CRM, ERP, WordPress Themes & Plugins 🚀 Welcome to Kaddora Tech – Your One-Stop Partner for Scalable, Custom Software Solutions. We are a full-stack development agency with a highly skilled in-house team of developers, designers, and tech strategists. We specialize in building tailor-made software and digital solutions that help businesses streamline operations, boost performance, and scale faster. ✅ Our Core Services: 🌐 Website Development from Scratch Clean, scalable, and SEO-optimized websites tailored to your business goals. 🛠️ Custom CRM Development Designed to simplify customer relationships, automate workflows, and increase productivity. 🏢 ERP Software Development Custom ERP systems to manage inventory, HR, finance, and operations efficiently. 🛒 E-Commerce Website Development From custom carts to multi-vendor marketplaces – fully customized & conversion-ready. 🎨 WordPress Theme & Plugin Development Lightweight, fast, and responsive themes & plugins – built to match your vision and branding. 🧩 UI/UX Design + API Integrations + Ongoing Maintenance & Support 💼 Why Clients Choose Us: ✔ 100% Custom Development – no bloated templates ✔ Transparent Communication & Project Updates ✔ Affordable & Scalable Solutions ✔ On-Time Delivery ✔ Long-Term Support & Partnership Whether you're a startup, agency, or enterprise – we build solutions that fit your exact needs and grow with your business. 📩 Let’s discuss your project! We’d love to turn your vision into a high-performing solution.

Omax Tech is a full-spectrum technology partner helping businesses build, scale, and optimize digital products with speed, confidence, and engineering excellence. We serve as the technology backbone for companies seeking innovation, delivering end-to-end solutions across Software Development, SaaS engineering, Quality Assurance, Artificial Intelligence, Data Science, Cloud/DevOps, UI/UX Design, and ERP/CRM services. Our multidisciplinary teams blend deep technical expertise with strong problem-solving skills, enabling us to design intelligent, scalable, and secure systems that fuel long-term business growth. Whether it’s building a high-performance SaaS platform, deploying AI/ML pipelines, crafting intuitive user experiences, or managing Odoo-based enterprise workflows - Omax handles the entire lifecycle with precision, reliability, and industry-standard best practices. Transparency, communication, and ownership define how we work. Clients receive full visibility at every stage - from planning to deployment - supported by proactive updates and a dependable team committed to outcomes, not just output. Through shift-left quality practices, early QA involvement, automation testing, and robust DevOps pipelines, we accelerate development while maintaining the highest levels of stability, performance, and cost efficiency. At Omax, we don’t just deliver software - we build long-term partnerships rooted in trust, accountability, and real results. Our mission is to empower businesses with future-ready technology, exceptional engineering standards, and ongoing support that drives measurable impact and lasting success.

We’re a team of passionate developers helping startups and growing businesses build powerful digital experiences. Whether you need a custom website, a scalable mobile app, or a Shopify store that sells, we’ve got your back. With a mix of creativity, clean code, and reliable delivery, we aim to make your tech journey simple and stress-free. 💡 100% client satisfaction is our motto – we only take on what we can finish perfectly.

We offer a 100% money-back guarantee valid for 15 days. Welcome to COMPACTSYS, your premier partner for innovative Mobile & Web Development, AI/ML solutions, and WordPress expertise! Specializing in Java, Kotlin, Swift, Flutter, .NET, PHP, Laravel, and advanced AI/ML technologies, we craft state-of-the-art digital experiences tailored specifically for your business. Our experienced team delivers top-notch mobile and web applications, seamlessly blending intuitive design with powerful backend solutions. From feature-rich Android and iOS apps to complex web systems and bespoke CMS platforms, we ensure every project meets high standards of quality, scalability, and user satisfaction. 𝗪𝗵𝘆 𝗰𝗵𝗼𝗼𝘀𝗲 𝗖𝗢𝗠𝗣𝗔𝗖𝗧𝗦𝗬𝗦? ✅ Expertise in Mobile Development: Delivering high-quality mobile apps in Java, Kotlin, Swift, and Flutter that captivate users and enhance engagement. ✅ Advanced Web Solutions: Building sophisticated, scalable websites and applications using .NET, PHP, Laravel, and other powerful technologies. ✅ AI/ML Innovations: Integrating cutting-edge Artificial Intelligence and Machine Learning solutions to automate processes, enhance customer experiences, and unlock new business insights. ✅ WordPress Mastery: Offering comprehensive WordPress services, from theme customization and plugin development to performance optimization and security enhancements. ✅ Client-Centric Approach: We prioritize your goals, ensuring clear communication, timely delivery, and customized solutions that drive tangible results. ✅ Quality & Reliability: Committed to best practices and high standards, our development process emphasizes rigorous testing, clean coding, and continuous improvement. Partner with COMPACTSYS and leverage our extensive experience to elevate your business online. Let's innovate together and build exceptional digital products that achieve your strategic objectives. Please note: Our company does not work on projects involving: - Gambling or betting - Adult/pornographic content - Alcohol, tobacco, or recreational drugs - Hacking, malware, or cyber-attacks - Casual dating apps 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝘀𝘁𝗮𝗿𝘁 𝘆𝗼𝘂𝗿 𝗻𝗲𝘅𝘁 𝗽𝗿𝗼𝗷𝗲𝗰𝘁? 𝗖𝗼𝗻𝗻𝗲𝗰𝘁 𝘄𝗶𝘁𝗵 𝘂𝘀 𝘁𝗼𝗱𝗮𝘆!

Vera IT is your full-stack development partner for world-class web and SaaS solutions. From our Hamburg headquarters, our expert team in Belgrade builds high-performance, scalable applications using Node.js, React, and AWS. We specialize in turning complex ideas into intuitive digital products, with a core focus on AI-driven systems and modern user experiences. Our services include: Custom website development (WordPress, WooCommerce) Web and mobile application development (React, Node.js) UI/UX design and prototyping (Figma, Adobe XD) SEO optimization and performance improvements Ongoing maintenance and support 🧩 What I do: Understand your needs and translate them into clear tasks for our team Manage project timelines and client communication Ensure the final product meets your expectations Let’s work together to bring your digital ideas to life!

Capaciteam is a leading software development and IT services company based in Dublin, Ireland, that delivers turnkey digital solutions and dedicated technical teams to clients across Europe and globally. The company specializes in: - Turnkey Software Development: End-to-end delivery of custom applications tailored to business needs. - Staff Augmentation: Providing highly skilled software engineers, QA experts, business analysts, and other IT professionals to extend client teams. - DevOps & Cloud Services: Supporting scalable and secure deployments with modern CI/CD practices. - AI/ML Integration: Implementing machine learning models and AI tools to solve data-driven challenges. Key Capabilities: - Enterprise Software Engineering: .NET, Java, Angular, React, Python, and more. - Data Engineering & Analytics: Building robust pipelines, warehouses, dashboards, and AI-enhanced decision tools. - QA & Test Automation: Ensuring software quality via manual and automated testing. - Regulated Industry Expertise: Supporting clients in healthcare, finance, and public sectors, with compliance-ready systems (GDPR, ISO, etc.).

I'm Faraz Haider, a dedicated Java Spring Boot Developer and founder of Vertex Code Labs, a growing software development agency helping businesses build scalable and high-quality digital solutions. With over 3 years of hands-on experience in backend development, I specialize in creating robust RESTful APIs, microservices, and secure server-side logic using Java and Spring Boot. I began my journey working at Contour Software, where I gained enterprise-level experience. Later, I expanded into freelancing on Fiverr, delivering 50+ successful projects with top-rated client satisfaction across various industries like healthcare, logistics, finance, and e-commerce. Today, I lead a diverse and talented team of developers skilled in: . Backend: Java Spring Boot, Node.js, Python . Frontend: React, Angular, Next.js . Mobile: React Native, Flutter . DevOps & Cloud: AWS, Docker, CI/CD . Database & Analytics: MySQL, PostgreSQL, MongoDB, Firebase What I do best: . Develop scalable backend systems with Java, Spring Boot, JPA/Hibernate . Design and document REST APIs with Swagger/OpenAPI . Implement authentication & authorization using Spring Security and JWT . Integrate with third-party APIs (payment gateways, SMS/email, social logins) . Optimize databases and write efficient queries in MySQL/PostgreSQL . Build microservices with Docker, manage CI/CD pipelines, and ensure cloud-readiness Why clients work with me: . I prioritize clean code, long-term scalability, and on-time delivery . I collaborate proactively, offering both technical and strategic guidance . I focus on solving real business problems, not just writing code