Top 50+ Java companies

Ergosphere.io | Transforming Ideas into Software Solutions At Ergosphere, we specialize in turning innovative ideas into robust software solutions. With over 100 satisfied clients, 154+ successful projects, and a presence in 21 countries, we are committed to delivering excellence in every endeavor. 🔧 Our Expertise We offer a comprehensive suite of services to cater to diverse technological needs: ✔ Custom Software Development: Crafting tailored solutions that align with your business objectives in Python, Java, Rust, Golang ✔ Web Development: Building responsive and scalable web applications using modern frameworks like React, Next.js, Angular with backend in Django, Spring, Express ✔ Data Mining & Automation: Implementing intelligent systems for efficient data handling and process automation with Selenium, Puppeteer, BeautifulSoup, Scrapy. ✔ Desktop Applications: Developing user-friendly desktop solutions for various platforms. ✔ AI-Driven Solutions: Leveraging AI to enhance decision-making and operational efficiency. ✔ No code Solutions – Fast MVPs & automation via Bubble.io, Zapier, Make, and Monday. ✔ API Development – RESTful, gRPC, and HTTP services tailored for scale and performance. ✔ AI & ML Integrations – Leveraging GPT-4, DALL·E, and other OpenAI/LLM capabilities for innovative use-cases. 💡 Technologies We Work With Our team is proficient in a wide array of technologies, ensuring the best fit for your project: - Programming Languages: Python, Golang, Rust, JavaScript, Java - Backend Frameworks: Django, Spring, Express - Frontend Frameworks: ReactJS, VueJS, NextJS - No-Code Platforms: Bubble.io, Zapier, Monday, Make - Web Automation & Scraping: Scrapy, BeautifulSoup, Selenium, Puppeteer - API Development: RESTful APIs, gRPC & HTTP Frameworks - DevOps & Cloud: Kubernetes, Virtual Kubelets, Git - Databases: PostgreSQL, MySQL, MongoDB - Monitoring & Metrics: Grafana, Prometheus (using PromQL) - AI & Machine Learning: OpenAI models (including GPT-4), DALL·E 2, LLMs 🚀 Our Mission We drive businesses to the forefront of the industry through AI-accelerated product development. Our solutions are designed to be intelligent, scalable, and enduring, ensuring our clients stay ahead in a rapidly evolving digital landscape. 🌟 Our Commitment ✅ Customer Satisfaction: Your success is our top priority. ✅ Quality Assurance: Delivering top-notch solutions that meet and exceed expectations. ✅ Competitive Pricing: Providing value-driven services without compromising on quality. ✅ Collaborative Approach: Building trust through transparent and effective teamwork. Let's collaborate to bring your vision to life with precision and creativity. 📩 Reach out to Ergosphere today and embark on a journey of digital transformation.

• 12+ years of experience in computer programming since 2008. • Highly skilled software development professional bringing more than 8 years in software design, development and integration for various targets including C, C++, Java and C#.Net Executes development projects from concept to delivery. • Strong experience in architecting and implementing desktop software in C# for windows operating system. • 5+ years of experience as Software Developer in software design, analysis, development, testing and implementation of web and client-server applications using Microsoft Technologies. • Hands on in application development using with C#, Web Forms in ASP.NET using C# as the codebehind language and ADO.NET and LINQ as the Database data consumer. • Extensive experience in design and development of applications using .NET and Web technologies. • Experience in IIS, XML, JSON, AJAX, CSS, DOM, HTML, HTML5, AJAX, JQuery and JavaScript. • Experience in Web Services , SOAP and ASP.NET Web API • Expertise in AngularJS controllers, directives, components, factory and service resources, routings and events. • Strong experience in XML web services, Windows services and WCF Services development in ASP.NET using C# and AJAX. • Experience using Object Oriented Programming (OOP). • Extensively understanding in creating and managing View Models, Views, and Partial Views using MVC ASP.NET. • Proficient in LINQ for data retrieval, CRUD operations, data filtering & sorting. • Good working experience with ADO.NET objects such as SQL Connection, SQL Command, Dataset, Data Reader and Data Adapter Objects in Web applications and Win form applications. • Implemented data access layer using LINQ to SQL, ADO.NET Entity and Entity Framework (EF) to access the SQL server. • Strong experience in Relational Databases, Proficient in Database programming, designing, modeling and development using MS SQL Server 2005/2008/2010/2012 and MS Access. Knowledge of implementing membership model for authentication and authorization using OAuth2 ASP.NET Identity Framework based on role security, claims-based authentication, Social Login Providers and JSON Web Token (JWT). • 4+ years of experience in development native Android applications in Java using Eclipse and Android studio. • Expertise in working on several Android SDK from API 10 (Gingerbread) till Android API 23 (Marshmallow). • Expertise in integrating WCF REST client, Web API, client, SQLite, JSON, XML, FB, Tweeter in Android applications, and working with images and camera. • Expertise to deal with android GPS, sensor axes, base sensors, and composite sensors. Proficient in interface with external sensors (cameras, temperature, humidity sensors) through Bluetooth and Wi-Fi. • 1 year of experience in iOS and macOS applications development using Swift lanaguage. • I have worked on several programming technologies such as TCP/IP, UDP, Raw Ethernet, PC peripherals (RS232, LPT, and USB), multi-media (Video & sound) in programming level, multithreading, inter-process communication, Sockets, AI, ANN, Fuzzy Logic, Voice Recognition, and FFT. • Very good experience in image processing and computer vision development in MATLAB/Simulink and in C++/C# using 3rd party libs such as OpenCV and EMGU. • 5+ years of experience implementation Matlab scripts, Simulink models and GUI applications based on various toolboxes such as Image processing, Image acquisition, Computer vision and Optimization toolboxes. • Electronics design and embedded systems using MCUs for Microchip PIC series, FPGA for Xilinx. • I use C/C++ and VHDL languages. Also I worked on recent Arduino , Netduino , and PCDuino. • Knowledge with major interface protocols such as SPI, I2C, RS232, and Ethernet 10/100 Mbps. • Experience dealing with BT, GPS, Wi-Fi, and many other modules/devices. • Electric and electronic circuit schematics design and simulation using Proteus Design Suite. • PCB design using Altium Protel DXP and Proteus Design Suite. • Source Control using GIT, GitHub, SourceTree and BitBucket. • Agile knowledge. • Excellent communication skills

At Bitspire25, we specialize in delivering cutting-edge solutions in Mobile App Development, Web Development, and Al Apps Development. Our mission is to transform your ideas into impactful digital experiences that drive growth and efficiency. 🔧 Our Expertise: Mobile App Development: Crafting intuitive and high-performance mobile applications for iOS and Android platforms using technologies like Flutter, React Native, Kotlin, Java. Web Development: Building responsive and scalable web applications with modern frameworks such as MERN, MEAN, Python ( Django & Flast ), Laravel, Dot Net ( C# ), Nest Js, Next Js etc to ensure seamless user experiences. Artificial Intelligence Solutions: Integrating AI capabilities, including machine learning models, natural language processing, and chatbot development, to automate processes and enhance decision-making. 💡 Why Choose Bitspire25: Client-Centric Approach: We prioritize your business goals, ensuring that our solutions align with your vision and deliver measurable results. Agile Development: Our team adopts agile methodologies to ensure timely delivery, flexibility, and continuous improvement throughout the project lifecycle. Quality Assurance: We implement rigorous testing protocols to guarantee the reliability and performance of our applications. Post-Launch Support: Our commitment extends beyond deployment, offering ongoing maintenance and support to adapt to evolving needs. 🌐 Let's Collaborate: Partner with Bitspire25 to elevate your digital presence and harness the power of technology. Whether you're a startup or an established enterprise, we're here to deliver solutions that propel your business forward.

A software development company specializing in designing, developing, and implementing tailored software solutions to meet diverse business and technical needs.

I have worked on some pretty cool things in the world of health-tech & insure-tech. I am incredibly passionate about being an entrepreneur in South Africa and seeing it prosper while getting South African’s back to work. I want to see small business owners growing their businesses and get more employees back to their jobs. I enjoy leading high performance technical teams, writing code, integrating systems or setting up robust cloud infrastructure.

LagomIT is a technology driven company dedicated to building smart, efficient, and scalable software solutions. We specialize in full cycle Java development, DevOps, and cloud migration designed to help businesses adapt and grow. Our Core Areas - Software Development: Full lifecycle Java development using modern frameworks like Spring Boot. - DevOps & Automation: CI/CD, IaC, and containerization using tools like Terraform and k8s. - Cloud & Hybrid Infrastructure: Design and migration of solutions to AWS and on-premise environments. - System Modernization: Upgrading legacy systems to modern, cloud-native applications. - Quality Assurance & Test Automation: End-to-end testing embedded in every delivery stage unit (JUnit 5), mocking (Mockito), integration (Spring Test), UI (Selenium WebDriver), and platform-level validation with Terratest, and k6 to ensure reliable software and infrastructure at scale. Our team of engineers blends deep technical expertise with practical business insight to deliver high-impact results. At LagomIT, we believe in progress through simplicity, and we thrive on helping clients innovate with confidence.

About Us Scala Teams is a Top-Rated Upwork Agency specializing in delivering scalable, reliable, and high-performance software solutions to businesses worldwide. Our team of expert developers, solution architects, DevOps engineers, AI/ML specialists, and certified project managers work collaboratively to transform complex challenges into efficient, streamlined digital solutions. With deep expertise in Full-Stack Development, Java & Scala backend systems, modern frontend engineering, DevOps & cloud infrastructure, machine learning, and technical project management, we help organizations accelerate innovation, reduce time-to-market, and build for long-term scalability. 🚀 Our Core Services ✅ Full-Stack Development We provide end-to-end development services that seamlessly connect frontend excellence with powerful backend systems. Technologies: Java, Scala, JavaScript, TypeScript, React.js, Angular, HTML5, CSS/SCSS/SASS ✅ Backend & Frontend Engineering (Java & Scala Focus) We design and build scalable, fault-tolerant backend systems using Java and Scala, paired with responsive and intuitive frontends crafted with modern frameworks—delivering both performance and exceptional user experience. ✅ DevOps & Cloud Infrastructure Our DevOps experts optimize your infrastructure with container orchestration, CI/CD pipelines, and cloud provisioning—ensuring secure, automated, and reliable deployments. Tools & Platforms: Docker, Kubernetes, Terraform, Ansible, Azure, Jenkins, GitHub Actions ✅ AI/ML Development We develop custom AI and machine learning solutions, including predictive analytics, natural language processing, recommendation engines, and real-time model deployment—turning your data into actionable insights. ✅ Technical Project Management From ideation to delivery, our certified project managers oversee sprint planning, cross-team collaboration, technical consulting, and workflow optimization—ensuring projects are delivered on time and within budget. 🎯 Why Clients Choose Scala Teams on Upwork 💡 Technical Excellence Our in-house team combines real-world experience across complex frameworks, scalable systems, and enterprise-grade architecture. 🛠️ Tailored, Scalable Solutions We build custom solutions designed specifically to meet your unique business goals and technical requirements—never relying on generic templates. ⚙️ Agile Delivery Our lean, agile methodology ensures fast, iterative progress, keeping your project flexible, scalable, and future-ready. 🔍 QA-Driven Code We follow rigorous quality assurance processes from the first line of code to final deployment—delivering clean, production-ready software. 🤝 Client-Centric Collaboration Clear communication, consistent updates, and seamless teamwork are the cornerstones of our client relationships—we work as an extension of your team. Let’s connect and turn your ideas into impactful, high-performance software solutions.

We scale your development power 💻 | Outstaff & Outsource Solutions We partner with high-growth startups and global enterprises to deliver robust, scalable software solutions — fast. ✔ We understand the pressure of early-stage and scaling teams ✔ Deliver architecture that supports growth and change ✔ Share our strategic and engineering experience for real impact 💼 Our agency is built by senior engineers who value clarity, ownership, and execution. 💡 Our developers are not just coders — they’re proactive contributors who challenge ideas, follow best practices, and move projects forward. 🏆 Our skills are battle-tested in global hackathons, where our innovations were awarded by industry leaders. Industries We Serve: 💰 Fintech & Banking ✈️ Travel & Hospitality 🎮 Gaming & Entertainment 🧬 HealthTech 🛍️ E-commerce Services We Offer: 🧩 Full-Stack Development — Web, Desktop, and Backend Systems 📲 Mobile Applications — Native & Cross-Platform (React Native, Flutter, etc) 🛡️ QA & Test Automation — Performance, Security, Regression 🧠 Outstaffing & Team Augmentation — Vetted engineers, ready to integrate 🏗️ Architecture & DevOps Consulting — CI/CD, Cloud, Infrastructure as Code Technical Expertise: Back-End: .NET, Java, Node.js, PostgreSQL, MSSQL Front-End: Vue.js, Angular, React, TypeScript Desktop: Windows Forms (.NET Framework) Mobile: React Native, Flutter Cloud/DevOps: Azure, AWS, Docker, Kubernetes, CI/CD Testing: QA Automation, SonarQube, Manual Testing Why Us: 🔧 Engineering Excellence 📐 Scalable & Secure Architecture 📊 Transparent Agile Workflow ⚙️ Reliable Team Extension 🕸️ Modern Tools & Clean Code Standards Let’s turn your roadmap into reality — with speed, skill, and strategy.

Orbisys is a full-service technology agency specializing in designing and building scalable digital products for startups, SMEs, and enterprises. We excel in end-to-end product development — from idea validation and architecture design to UI/UX, full-stack development, mobile apps, and cloud deployment. Our team is highly capable and led by seasoned professionals with 25+ years of combined experience in technology leadership, solution architecture, and large-scale system design. This deep expertise allows us to make the right technical and strategic decisions from day one. We specialize in building secure, high-performance platforms using modern technologies such as React, Spring Boot, Node.js, Flutter, and AI-driven analytics, with proven experience across SaaS platforms, enterprise systems, eCommerce solutions, and data intelligence products. What truly sets Orbisys apart is our business-first mindset. We don’t just deliver code — we deliver reliable, scalable solutions that drive measurable outcomes. With agile execution, transparent communication, and long-term support, we operate as a trusted technology partner throughout our clients’ digital journey.

🚀 Build Smarter. Scale Faster. Partner with NetBond Technologies. At NetBond Technologies, we turn bold ideas into powerful digital solutions. Whether you're a startup or an enterprise, our team delivers modern, scalable, and performance-driven web and mobile applications tailored to meet your business goals. We specialize in WordPress, full-stack development (MERN, Laravel, React, Node.js), and high-quality mobile app development for iOS and Android. ✅ What We Do Best: Website Development (WordPress, React, Custom PHP) Mobile App Development (Flutter, React Native, Android/iOS) eCommerce Solutions Backend/API Development UI/UX Design That Converts Performance Optimization & Maintenance 💡 Why Clients Choose Us: Agile, fast, and transparent process Cost-effective solutions without compromising quality Reliable communication and on-time delivery 100% client satisfaction focus We’re not just coders — we’re strategic thinkers and long-term partners. If you're looking for a passionate team to bring your project to life, let’s connect.

We’re a family-run software agency born from our own “start-from-scratch” journey—and we’re here to help you do the same. With backgrounds in building and running ultra-low-latency trading systems (and even executing billions in daily trades), we know what it takes to turn complex challenges into dependable, scalable software.

We are a London- and Bulgaria-based digital product studio specializing in bespoke software solutions for ambitious startups, scale-ups, and leading corporates. Since our founding in 2019, we’ve partnered with clients ranging from global enterprises like GlaxoSmithKline and Haleon to innovative scale-ups and academic institutions such as UCL. Our diverse team of tech experts, entrepreneurs, and business specialists combines startup agility with enterprise best practices, delivering web and mobile apps, platforms, and AI-powered solutions across health tech, fintech, legal tech, and beyond. With offices in Canary Wharf, London and Sofia, Bulgaria, we support clients across Europe and internationally-helping founders build great companies and enabling big companies to think more like founders. At Skillwork, we believe true innovation thrives through partnership, creativity, and a people-first approach, making us a trusted technology partner for organizations looking to drive digital transformation and achieve measurable results

I try to tell software what to do and sometimes they listen to me. Frontend Developer that loves the Product Development processes & challenges. I really like the idea of Product Engineer. I use React and Typescript since 2017 and i love to keep me informed on new stacks & best practices.

Your Trusted Partner in Software Engineering. We are composed of seasoned professionals, each bringing over decades of experience in enterprise software development. Our collective expertise spans various industries, enabling us to deliver innovative and reliable solutions tailored to meet diverse client needs. We specialize in crafting mission-critical applications, streamlining cloud workflows, and transforming raw data into actionable insights. Our innovative approach, combined with deep industry expertise, ensures precision, efficiency, and forward-thinking solutions in every project. Partner with us to leverage our extensive knowledge and fresh perspective—your technology solutions are in expert hands. We are eager to bring our expertise to your project and contribute to its success. Why Choose Us Proven Track Record: Our team has successfully delivered complex projects for various clients, demonstrating our ability to meet and exceed expectations. Client-Centric Approach: We prioritize understanding our clients' unique challenges and goals to provide customized solutions that deliver tangible results. Continuous Innovation: We stay abreast of emerging technologies and industry trends to offer cutting-edge solutions.

Wolkk is a mid-size software development agency based in Bali, Indonesia. Our German owner has 30 years experience in software development in Enterprise environments in Europe. We have 52 highly motivated developers and other tech experts on our payroll as permanent staff and invest into training and coaching. At Wolkk, we believe the future of technology lies in the hands of the bold, the curious, and the well-prepared. That’s why we’re on a mission to empower young engineers in Indonesia with world-class coding education that bridges local talent with global opportunity.

AAS Infotech – Your Trusted Partner for IT, Marketing & Business Growth AAS Infotech is a professional IT and digital marketing company based in Faridabad, India, dedicated to empowering businesses through innovative technology, data-driven strategies, and end-to-end consulting solutions. We combine creative thinking with technical expertise to deliver impactful digital experiences that drive measurable results. With a multidisciplinary team of skilled professionals, AAS Infotech offers a wide range of services designed to help startups, SMEs, and enterprises streamline operations, enhance brand visibility, and accelerate growth. Our approach focuses on understanding each client’s unique goals and challenges, allowing us to craft customized solutions that ensure long-term success. Our Core Services Include: • Web & App Development: Modern, scalable, and user-friendly websites and mobile apps that align with your business goals. • Digital Marketing & Branding: SEO, SEM, social media management, content marketing, and branding strategies that help your business stand out and connect with your audience. • IT Consulting & Support: Comprehensive consulting services to optimize business processes, improve efficiency, and implement cutting-edge digital transformation initiatives. • Data Analytics & Business Intelligence: Transform raw data into actionable insights to drive informed decision-making and performance improvement. • UI/UX Design: Engaging, intuitive designs that enhance user experience and reinforce brand identity. At AAS Infotech, we believe in a partnership-driven approach. Our team collaborates closely with clients to develop solutions that are transparent, result-oriented, and strategically aligned with their vision. We take pride in delivering projects on time, maintaining high standards of quality, and ensuring exceptional customer satisfaction. Over the years, we have earned the trust of numerous happy clients across industries through consistent performance, innovation, and professionalism. Whether you’re launching a new product, upgrading your digital presence, or seeking expert IT support, AAS Infotech has the expertise to bring your vision to life. Why Choose Us: • 40+ successful consulting engagements across domains • Proven expertise in IT, web technologies, and digital marketing • Dedicated support and transparent communication • Customized strategies designed for measurable growth Partner with AAS Infotech to transform your ideas into reality. We’re more than a service provider — we’re your long-term digital growth partner.

🚀 Welcome to BIVYN – Empowering Change Through Innovation At BIVYN, we are not just a team — we are your strategic technology partner. With over two decades of collective experience in software development, architecture, and AI integration, our team has helped startups, mid-sized businesses, and Fortune 500 companies build intelligent, future-ready systems. We specialize in building scalable, cloud-native, and AI-driven digital platforms that accelerate transformation and deliver measurable impact. 💡 Our Core Services ✅ Custom Software Development From idea to deployment, we build modern web and mobile apps tailored to your business goals using React, Node.js, Python, Java, and more. ✅ AI/ML Integration Empower your applications with machine learning, natural language processing, recommendation systems, chatbots, and data-driven automation. ✅ Cloud Architecture & Migration We design and migrate secure, scalable solutions on AWS, GCP, and Azure. We also set up CI/CD pipelines, containerization (Docker, Kubernetes), and monitoring. ✅ UI/UX & Frontend Engineering Beautiful, responsive interfaces using React, Tailwind CSS, Flutter, and more — focused on performance and usability. ✅ Solution Architecture & Tech Consulting Get expert guidance for system design, architecture reviews, cloud-native roadmaps, cost optimization, and scaling strategies. ✅ Dedicated Teams & Staff Augmentation Quickly scale your team with vetted developers, DevOps engineers, AI specialists, and architects — fully remote and timezone-friendly. 🌟 Why Choose BIVYN? 🔧 Enterprise-Grade Expertise: Our founders and engineers have delivered for brands like Macy’s, Home Depot, and more. 🌐 Global, Remote-First: We serve clients across the US, UK, and India with a seamless delivery model. 💬 Transparent Communication: Clear updates, responsive collaboration, and outcome-focused delivery. ⚡ Agile & Flexible: We adapt to your process and can support fixed-cost projects, T&M, or long-term retainers. 🧠 Innovation-First Culture: We stay ahead with AI, serverless, microservices, and cloud-native practices. 🔗 Let’s Work Together Whether you’re building your first MVP, scaling an existing product, or modernizing legacy systems — BIVYN brings the clarity, speed, and expertise to turn your vision into reality. 📨 Contact us today for a consultation, quote, partnership or free demo. Let’s build something remarkable together. https://www.bivyn.com/contact

We specialize in delivering Web, Mobile and AI solutions for startups, innovators and small and medium businesses. Using agile and innovative methodologies, we help you validate your business idea quickly and efficiently. We're boutique company that can deliver within short period of time MVP of the application that could be use to validate business objectives. Our team members are based in central Europe which brings easy collaboration, small time difference and ensures high quality. W've 10 years of experience in IT sector with strong experience in international IT projects across USA and EU as well as smaller SME solutions which can be discovered on our webpage. As a team members we have experience in world leading software development companies like PwC, Accenture, Tata Consulting Services and others.

An experienced Leader and multi-skilled professional with 21+ years of extensive experience in project management, requirement gathering, business analysis, process and architecture design and developing with excellent record of delivering complex projects.