Top 100 Java Developers

Itransition was hired by another development firm to collaborate on a project for a tourism company. They migrated 44 websites into one e-commerce platform, Magento.

“They have a good talent pool; they’ve been able to find the right individuals. Everyone they have found who has worked with us has approached the project as though they understand the bigger picture. They’re not just coding for a paycheck.” – Director, Development Company

A non-profit hired Trigent to build an enterprise web app to provide and deliver programming throughout its partner network. Trigent developed the app using the ASP.NET program and everyone produced a quick turnaround. The final product met all of the client's expectations.

"The system serves a number of people outside of our organization, and everyone is very complimentary of the finished product." – Senior Director, Youth Development Non-Profit 

Spire Digital developed a minimum viable product (MVP) – a web app – for a freelance recruitment platform. The client and Spire Digital created the concept, and Spire Digital provided user experience design, app development, and quality assurance. Spire Digital has worked with the company on and off for 15 years.

“Spire Digital has a tier of resources that are highly strategic. Beyond just taking our concepts and our ideas and executing, they’re actually highly strategic on the frontend … [and provide] pushback.” – Managing Director, Recruitment Company

SoftwareMill provided a mobile app developer in San Francisco with back-end server development using Scala. The client's project was for the media and communications industry, and they needed a comprehensive software architecture solution for a sophisticated project. SoftwareMill integrated several API's for automating data management, and optimized them for scalability. The client was satisfied both with the quality of results and with the service they received in the partnership.

"Qualitatively, SoftwareMill has always hit projects on time and on budget. There have been no issues around major delays or cost overruns." - Managing Director, Mobile Development Firm

Altoros worked on blockchain development for an insurance platform. Altoros developed multiple software projects for the client including a monitoring interface and a custom front end. Altoros also connected the client to Smart Contract and built a cloud-based monitoring network on the software. 

"They [Altoros] have very high-class project management. All team members are skilled from a technical, organizational, and logistical standpoint. They perform very well." - CEO, Insurance Platform 

iTechArt Group is assisting with the development of a content management software for video advertisements. The team is building the system to accommodate multiple social media platforms like YouTube and Facebook.

“The engagement has been very successful overall thus far. The work we've been able to quickly launch wouldn't have been possible without iTechArt's help. In addition to the quality of their code, they've also integrated extremely well into our team, adapting to our internal processes relatively seamlessly.” – Founder & CTO, Software Consulting Agency

PSL Corp. built a marketing web application for a sales software firm. The client valued PSL Corp.'s ability to program flawless, bug-free code thanks to their high level of expertise in development. To support the client and maintain quality assurance, PSL Corp. continues to provide ongoing maintenance and support.

"The developers are very careful to deliver a quality product from the start. The QA engineers don’t let errors slip through. It’s been a good, high-quality experience so far." – Vice President of Development, Sales and Marketing Software Firm  

Gorilla Logic provided a team of developers to help build a new software platform for an HR software company. Using Camunda and GraphQL they have worked to develop a back-end system on Apache Kafka.

“Gorilla Logic has delivered exceptional resources that have increased the speed of development and improved the production timeline.” – Director, Human Resource Company

N-iX provides development services for a computer software company. The agency developed four websites thus far. They currently provide ongoing mobile app development for the company. Their work increases the average page stack and average time on site by 50%.

"We were forced to switch to Amazon Web Services from the dedicated ISP we had been using in Norway. N-iX’s involvement in this effort allowed us to reduce our networking costs."– Technology Manager, Computer Software Company 

Artezio was hired by a healthcare company to develop an Android app and upgrade an existing iOS app. 

"We've done multiple projects with them because we've been so impressed with everything they've produced for us." – CEO, Healthcare Company

JCommerce worked on insurance platform development for an IT transformation company. They provided long-term web and mobile platform development services. They also built a new platform using Java architecture on the backend and JavaScript on the frontend. The client was impressed with the results of the project.

“We went live with the system and it’s now used by the end customer of leading insurance companies, which is significant a factor of success.” – Engineering Project Lead, IT Transformation Company

Intellectsoft created an e-commerce app with matching backend infrastructure, then integrated it into the client’s blockchain technology. Transforming the given creative demands into a satisfactory product under a strenuous deadline was deemed impressive, as were their communication skills and determination.

“We've given them a challenge, and they've met it, which is why Intellectsoft has become our leading service provider for technology development.” – Program Manager, Holding Company

Coherent Solutions recently worked on development for an HVAC company. They created an integrated software that stored data for analytics purposes for that client.

“They delivered exactly what we needed. I was really satisfied with our working partnership with Coherent Solutions.” — Former VP of Systems & Controls, HVAC Company

 

Andersen partnered with a health technology company to develop a web app that needed frontend refactoring. They provided PHP Laravel development for the web app and supplied Ionic applications that run using data from the client's database. Andersen's expertise and reliable development work allowed several third-party platforms to have API integrations with the app. 

“The communication has been very good. Having a consistent team and dedicated resources on the project has been an advantage. They are skilled and have a very good work ethic and morale. We get replies even on weekends.” – CEO, Health Technology Company

A paper products company hired Portland Webworks to modernize its website. Portland Webworks first created a regional company site, then worked on a global e-commerce portal.

"Since engaging Portland Webworks, it has been recognized across the company that they're excellent, and they've remained the go-to choice for all of our global projects." - Area Manager, Manufacturing Website 

An IT company needed to build out online ordering on its website and Scand tackled the project head-on. They developed the backend of the website and refined the frontend. Scand continues to provide support and maintenance.

“The technology Scand developed is huge in both how many people use it and how much money the company earns from it. The entire company was actually built on the IT solution, so without it, the company wouldn’t even exist.”  – CEO, IT Company

Infopulse designed and developed a mobile application for an Olympic committee within a tight timeline. The app included functionalities that allowed video content sharing and scheduling information.

“Their openness, professionalism, attentiveness, and responsibility are what’s most impressive about them.” – Marketing Manager, Olympics Committee

Azoft provided framework development for a voice recognition company. The goal was to create a new platform technology with integrated virtual customer support systems, improved audio chatbot services, conversational AI, and natural language processing capabilities. The client built on Azoft’s technology to create their independent product for the market.

“They have a very high level of professionalism, and very good communication skills. They are also extremely dedicated and considerate. They really listen to us, which is quite uncommon in my experience. I find them to be an excellent partner.” — CTO, Voice Recognition Company

Sombra revamped a video streaming platform for a media company. Their team added new features, including a broadcast scheduler and cross-platform streaming. Their work eliminated errors and boosted traffic.

"Within the last year, our users haven’t had any crashes, even when there were high traffic loads."– Director, Streaming Service 

A fitness club hired Softwire for several projects after a successful website redesign. Softwire redesigned the client's booking system based on PHP and MySQL. Softwire then created a corresponding mobile app for booking. They also provide general maintenance and support, advise the client on branding and lead generation, and develop any custom software.

" Their mobile app, connected to the booking system, reduced the number of customers booking through our receptionists from 75% to 5% and allowed customers to easily schedule courses. Their stabilization to our main site helps bring in new members all the time. They cut down a significant amount of labor cost and continue to improve the membership experience." -IT Director, Fitness Club

Binariks developed a social media app and website for an indoor climbing company. The startup had limited experience in web development, so Binariks provided all the coding, design, and development services for the app. The startup was happy with the product and thought that Binariks had a logical, hardworking team.

“Binariks has been easy to work with and didn't require a lot of hassle on my end. Their communication is usually good: I can reach my contact at any time.” – Founder, Indoor Climbing App Company

Qulix provided end-to-end product development for a financial services firm. The client had a business model, product design, and strategy, but lacked sufficient development resources to build the platform in-house. Qulix delivered web and mobile applications that access the client's proprietary services, quickly incorporating feedback and consistently delivering bug-free code.

"Qulix’s performance has been impressive. They consistently delivered defect-free coding and quickly incorporated feedback." - VP of Innovation & Product, Financial Services Firm

Rightpoint provided web development services to create an internet portal. The team used Azure to build the platform, which tracks internal projects and invoices. Their efforts have streamlined efficiency by automating several previously manual processes.

“They took an 85-year old process and improved it efficiently.” — Team Member, Steel Fabricating Company

A technology startup that provides digital coaching and evaluation materials for K-12 teachers approached Elinext for help developing software for its coaching platform. Elinext took the lead on the frontend, backend, and database development for the web application.

"Their professionalism, thoroughness, and serious attitude are impressive. Even at the stage of initial inquiry, they provided professional consulting, detailed estimates with project timelines, architecture of the application, and mock-ups." – Professor of Economics, Teacher Coaching Software Startup

Dreamix provided development services for an insurance data platform built in Apollon. They improved the solution’s flexibility and ability to be audited. The application is now fully functional and in use by customers; Dreamix still helps with ongoing improvements.

“The culture that they implemented throughout the entire company … [is] a caring and sharing culture that is managed internally as well as externally and to their customers (or partners as they like to call).” – Project Manager, Consumer Products Company

Instinctools programmed custom and off-the-shelf production automation solutions. Instinctools developed several programs for PLCs, the processing units for manufacturing automation, and interfaces for users. The client noted that the QA and UI/UX improvements made by Instinctools improved customer feedback.

"They spent quality time and provided quality work for us, which we've appreciated. If we had any questions regarding the organization, *instinctools addressed it." – Commercial Director, Automation Firm

BairesDev provided development staff augmentation for a travel technology firm. The client's platform is used by several Fortune 500 companies, and they needed competent and affordable development assistance. The client noted that the programmers assigned to their projects were consistently skilled and a good cultural fit for their in-house teams and lauded their dedication, for example, when their CEO visited the client's New Orleans offices, despite having more prominent clients.

"They even talk us through all the methods that they use, technical practicals, down to the more culturally and soft-skill base. The responsiveness and the level of organization they bring to recruiting and onboarding differentiate them from the competition." – CTO, Travel Technology Firm

Huenei IT Services developed the flagship mobile app for a leading Latin American retailer. The client operates an extensive network of distinct brands, but wanted a centralized application. Huenei designed a contemporary, enterprise-quality UX and integrated critical functionalities including e-commerce and a retail store locator. The client noted that despite virtually no marketing efforts, the published app is receiving many more downloads than expected along with many positive reviews.

"I can call Huenei IT Services and know they will answer and take care of things. They listen to you and take care of your proposals.  –CIO, Retail Corporation

Unity Group designed and implemented a system that supports business processes at the interface between the producer, the importer, and the vehicle dealers by most brands of Volkswagen Group Polska (VGP).

“The Anypoint Platform solution and Mule Enterprise Service Bus, both maintained and developed by Unity Group, are a crucial part of our IT architecture. Moreover, they underpin our efforts towards digital transformation. Our long and fruitful cooperation with the company makes us recommend Unity Group as a responsible and competent partner.” – Manger of IT Integration, Volkswagen Group Polska

SaM Solutions provides full-service development support for a global IT security firm. They act as a scalable team for the client, providing development resources on an as-needed basis for various projects. SaM's activities have included full-cycle development, testing, QA, and other services for several products. The client has noted that their team has exceptional programming skills and is particularly proactive.

"During our communication about some solutions, when we asked them to make a change, they did so quickly. We understand each other. I would recommend them because they’re a good company." — Head of IT Implementation, Computer Security Firm

Perfectial increased software reliability and scalability for an online advertising software company. Their ongoing work with the client includes software and web development, API development, and reporting development. The client appreciated Perfectial’s collaboration and high-quality work.

“The general feedback has been that they are extremely efficient at getting work completed and out the door.” – CEO, Online Advertising Software Company

Oxagile helped an online vehicle broker company strengthen its online presence and attract more customers by designing a website that organized vehicle pricing information from various sellers and allowed consumers to communicate with vendors. As a result of its partnership with Oxagile, the online vehicle broker company has received positive feedback from early users. 

"[Oxagile] was the best choice." - CEO, Online Vehicle Broker Company 

An academic publishing company needed extra developers to execute the conceptual design they had already created. Svitla Systems customized their existing e-commerce site on Magento and SugarCRM, mainly through optimizing the code and configuring the back end. 

"They chat with our internal developers on every task. They’ve really become an integral part of the team... It’s nice to treat them as members of our team. They deliver some high quality work." — VP of Technology, Academic Publishing Company

Cybercom Group worked with a German mechanical engineering firm to help them expand into IoT-enabled products. They employed a large-scale team to work on several new devices, and integrate them into some of their existing equipment. The client was impressed with Cybercom's development speed, especially given the sophisticated nature of the task.

"...we could see the experience that Cybercom had had on internet-of-things projects. It was money well-spent for us. Cybercom guided us through the process, so we didn't have to learn from our mistakes.." — Project Manager, Mechanical Engineering Firm

TEAM International worked on software development for a staffing software platform. They provided software development, QA testing, and configuration analysis, working on a software product with standard and bespoke variations. The client was impressed with the knowledge they brought to the project.

“They employ intelligent people and have a strong affinity with local education. The people are their most impressive asset. They won't just say yes; they want to discuss and properly understand what it is you want them to do.” – Global Head of Software Engineering, Staffing Software Platform 

A crowdfunded IoT and software startup hired AgileEngine to augment its development staff and write back-end code for a device they had built. AgileEngine built the framework for the device and the accompanying application and developed front-end mobile app that connects to the device. The startup credits AgileEngine's development team with their ability to meet internal goals and deliver a product in a timely manner.

"I’ve worked with remote teams in the past. AgileEngine stands out for the quality of their talent. They have a phenomenal process for ensuring they onboard the best of the best, which they succeed in doing." – CEO, IoT and Software Startup

Experion Technologies developed a custom CRM system for a large multinational food exporter that improved productivity by capturing sales metrics and tracking field sales. Aside from increased visibility, the client also benefited from Experion’s supportive take on project management, timeliness, and professionalism.

"Our project with Experion has definitely been successful. We've seen its benefits, especially for our ice cream business." – Senior IT Manager, Food Exporter

ScaleFocus created an e-commerce website for a Bulgarian soccer gambling site. The complex nature of odds in association football and legal challenges inherent to gambling and e-commerce made it a challenging project, so the client needed a capable software house to lead the development. ScaleFocus provided a new front-end design, PayPal and Neteller integrations, and made the site easier to use. The client especially appreciated ScaleFocus' autonomous capability, which allowed them to focus on their main business goals.

"Their entire development process was synced with our operations. Their client approach is one of the best things about the company. ScaleFocus does not merely complete projects; it builds sustainable partnerships." – CEO, Bulgarian Odds Site

One of Toptal's most impressive clients is a machine learning and artificial intelligence platform for marketing. The sophisticated nature of the project required expert developers familiar with cutting-edge technology and complicated programming principles, and Toptal's freelance screening service enabled the client to find freelancers with the right skills quickly. The varying needs of the project made Toptal the right choice because they could easily expand and shift the focus of their development team.

"Toptal made it easy to work with the team. If there was ever anything wrong, it was fixed quickly." – Co-founder, Advertising Technology Firm

Following an early partnership, Exadel created an open-source and highly sophisticated IAM (Identity and Access Management) solution for enterprise use. From research to discrete data integrations, strategic roadmapping to cloud-delivery services – they wowed the client with their personal dedication, seamless communication, and resource management.

“When it comes to open-source, their expertise is unparalleled. They knew what they were doing … They're true experts.” – Former Chief Security Architect, Fortune 500 Healthcare Company

Integrio Systems provided software development for a personal training platform. They created an SaaS solution which allowed various fitness studios operating on the platform to manage their schedules and payments more easily. The client's company was acquired by a major software corporation as a result of the work undertaken by Integrio Systems.

"The biggest evidence of our success is that we were acquired by a large software company. The other company was interested in us in large part because of the software that Integrio Systems helped develop." - Former Co-Founder, Personal Training Platform

Over a five-year span, SimbirSoft developed numerous web and mobile apps for brands in the client’s portfolio. The end-product enjoyed positive reviews and helped the client meet revenue goals, while the team’s service-oriented attitude and flexibility were also appreciated.

“It is always pleasant to deal with the SimbirSoft team. A devoted manager who is always in touch with us also creates this sense of comfort. Their speed of delivery and the quality of their work is excellent.” – Project Manager, Russian Publishing Company

A mobile education solution subcontracted Dew Solutions Pvt Ltd to develop their website and mobile app without much involvement from the client. Dew Solutions Pvt Ltd developed both the design and architecture of both the app and website, primarily using .NET. The client is satisfied with their work.

"Dew Solutions Pvt Ltd shows in-depth expertise. Their level of commitment and professionalism is excellent. They’re always there for me, and everything works as intended. They deliver according to the timelines we set." - CEO & Founder, Mobile Education Solution

Under a tight deadline, Ready4S developed and implemented an app solution to give the client’s employees easier access to customer data. The team earned praise for its cooperative approach, project management skills, and quality results.

“I am pleased with our effective cooperation with Ready4S. … I highly recommend Ready4S as a reliable partner.” – Former Sales Support Director, Global Bank

Diceus developed a suite of cloud-based products using C#, ASP.NET, and Azure. They provided QA and third-party project management. The partnership resulted in 25% annual growth.

"They’re a good provider, and the company is still young and hungry. As such, it can be very accommodating and easy to work with them. " – Managing Director, Software Provider

Future Processing developed a scalable, bespoke solution for managing surplus food warehouses which helped to decrease product input time on key processes by up to 33% when compared to the old system.

“Each and every project has been a success.” – Founder, Business Services Firm

Cleverlance partnered with a telecommunications firm in order to work on app development and enhancement. The team at Cleverlance took the client's outdated voicemail app and relaunched after making major technical additions. The firm made the app compatible with both iOS and Android devices, designed it, and conducted QA and product testing. The client was impressed with Cleverlance's flexibility and creativity. 

"They’re interested in trying new things and finding unique ways to sell more products or make them better, which is an invaluable asset in a partner." —HR Digital & Innovation Telecommunications Firm 

Decerto reviewed third-party API docs to custom build and test integration projects for a business services company. Using the client's flagship software, they implemented authentication mechanisms, timeout parameters and data validation. Decerto's templates have significantly reduced the time required for users to accomplish their use case, which has led to multiple customer deals.

“The team demonstrated keen documentation skills, navigating new territory in a systematic way. The team provided daily updates and tracked their work carefully. The project manager regularly offered helpful advice on how to communicate more effectively using Jira, Slack, and other communication tools.” – Product Manager, Business Services Company

Polisys developed a commercial government agency's management system. Their work improved the client's organization and processes. 

"As the person responsible for the execution of the contract, I can say that Polisys performed very well on every commitment." —Administrative Coordinator, Commercial Government Agency

AB4 Systems provided full-stack product development for a medical software system that enables easy collaboration around medical imaging for multi-disciplinary teams of doctors. They led all the phases of software product development: user research, product design (user experience and user interface), development, and launched through multiple iterations over a period of 2 years. The client continued the partnership was satisfied with the expertise, quality of work, and the speed of development. 

"I appreciate how well they’ve integrated with my company. They have a bird’s eye view of our business and understand the complexities around the project." – Co-Founder, Medical Software Solutions Company