Oleg Sotnikov CEO at AppMaster

5.0★

AI Development Review from Oleg Sotnikov

Diffco built a complex, production-grade AI agentic system and backend for our client's fintech platform owning architecture, AI/ML components, and AI agents in a security- and compliance-sensitive environment. They delivered on time and within budget, communicated proactively, and operated like part of our own team, taking ownership and suggesting better solutions throughout. Deep AI/ML and senior backend expertise. We'd happily work with them again.

Julia Platova VP Strategic Partnerships at OVA Solutions

5.0★

Mobile App Development Review from Julia Platova

We partnered with Diffco for a comprehensive software development project aimed at delivering a mobile application and backend system for our client. The goal was to create a seamless, secure, and scalable solution within a 4-month timeline and $50k-$200k budget.Diffcos team was highly professional from start to finish. They handled everything: UI/UX design, backend architecture, API integration, and deployment.After the launch, they continued to support us with maintenance and performance optimization.The application received positive feedback and has proven stable and scalable.Were highly satisfied with Diffcos expertise, commitment, and ability to deliver real results.

Max Shmatkov Manager at Centerligh

5.0★

Mobile App Development Review from Max Shmatkov

As an advantage of working with this company I’d like to note that their Agile development method is amazing! Diffco earned my trust through such approach and the team’s professional attitude.

Oksana Vobiachenko CEO at Neohiring

5.0★

Big Data Consulting Review from Oksana Vobiachenko

They worked on providing us with a comprehensive data architecture designed for scalability and security. A BI dashboard was created that allowed us to visualize key metrics from all our clients in one place, making it easier for us to get a comprehensive overview of our operations. They also set up real-time reporting capabilities that helped us respond to client needs faster and more efficiently. On top of that, Alltegrio recommended optimizations to our existing data pipelines, ensuring better data quality and improving decision-making. They also provided hands-on training for our internal team, ensuring we could manage and leverage the system without constant external support.

Yannick Berg CTO at Arbillion

5.0★

Big Data Consulting Review from Yannick Berg

Data Science and Analytics: Implemented models to enhance data-driven insights.Data Annotation: Optimized annotation processes for training models.Data Monetization: Developed strategies for extracting value from data assets.

Romit Karmakar Director at Capricon Technology

5.0★

Machine Learning Review from Romit Karmakar

To develop an AI-powered trading bot capable of analyzing market data, identifying trading opportunities, and executing trades autonomously to maximize returns and minimize risks.

Alex Silverstein Chief Technology Officer at Unified Digital Group, LLC

5.0★

Software Development Review from Alex Silverstein

Over the past 13 years, I’ve valued the opportunity to work alongside this team. Their expertise played a central role in my company’s success, and I’ve come to rely on them for their consistency, attention to detail, and thoughtful approach.

Philipe Araujo Business Analyst and Quality Engineer at Motive Retail

4.8★

Software Development Review from Philipe Araujo

We have had a highly positive experience utilizing EffectiveSoft's staff augmentation services for our Business Analyst and Quality Engineer needs. The professionals provided were not only highly skilled and knowledgeable but also integrated seamlessly with our existing team, requiring minimal ramp-up time. Their expertise in their respective fields significantly enhanced our project's efficiency and overall quality. We confidently recommend EffectiveSoft for any organization seeking top-tier talent to augment their teams and drive successful project outcomes.

Sasja Ihn Christensen Senior Director, Head of Digital Business Development at MAERSK BROKER

5.0★

Software Development Review from Sasja Ihn Christensen

Maersk Broker is pleased to provide this reference letter for EffectiveSoft, our trusted collaborator for complex web projects. From the initial stages of our projects, the team at EffectiveSoft demonstrated a deep understanding of our requirements and have been apro-active part of any problem-solving process. The team of offshore developers has been well-run through their lead developer, and we have only experienced a professional approach to our projects, as well as a pleasant and trust-based collaboration = between all members in the EffectiveSoft team and our own team. EffectiveSoft has furthermore proved to be highly flexible, adapting to our evolving needs and delivering reliable results under shifting circumstances and shifting priorities. They have furthermore been very quick to find and add the necessary resources to the team when needed, and we have only experienced professional and highly skilled consultants. This has also made on-boarding into projects faster and more efficient.In conclusion, it has been a pleasure working with EffectiveSoft, and I have no doubt that they will continue to be an asset to any collaborators in the future, adding value through their professionalism, dedication and understanding of business needs.

Undisclosed CEO at E-Commerce Development Company

5.0★

Web Development Review from Undisclosed

Aristek Systems developed, tested, and released a new website for an e-commerce development company. The team utilized Ruby on Rails, Elixir, Phoenix Framework, JavaScript, GraphQL, PostgreSQL, and AWS. Aristek Systems was able to deliver a fully functional software, much to the client's delight. The team was highly communicative, and internal stakeholders were particularly impressed with the vendor's professionalism and attention to detail.

Undisclosed Product Design Manager at Educational Digital Platform

5.0★

Web Design Review from Undisclosed

Aristek Systems has redesigned the UI/UX of an existing educational digital platform. The team has refreshed the interface and added new features to deliver a more comprehensive experience for users. The client is satisfied with Aristek Systems' work and performance. The team delivers within the specified timeframe and manages the project seamlessly. Moreover, they stand out for their availability, problem-solving capabilities, and amazing work culture; they're easy to work with.

Anonymous CTO at Business Consulting Company

5.0★

Software Development Review from Anonymous

I had the privilege of working with Ruslan and his team at Aristek for the past three years. It is hard to find that level of dedication in an offshore vendor/partner but Ruslan and the Aristek team deliver it. I would highly recommend Ruslan and Aristek to anyone needing an expert level partner in EdTech and SaaS platform development.

Iryna Liashko Digital Marketing Specialist at SoloWay Technologies

5.0★

Software Development Review from Iryna Liashko

We engaged Acropolium as a development partner to support delivery of a SaaS-based warehouse management system for our end client. They handled key backend components, third-party integrations, and overall system architecture alignment. The engagement ran from May to September 2025.Acropolium took full ownership of complex technical components and worked as a seamless extension of our internal team from day one. They required minimal supervision, communicated proactively, and adapted well to changing requirements throughout the project.The results were strong: our end client saw a 30%+ improvement in order processing efficiency, a significant reduction in manual operations and errors, and smooth integration with existing systems.We were thoroughly impressed by their technical quality, reliable delivery, and professional approach. Deadlines were consistently met, and the team responded quickly to feedback. The collaboration was smooth from start to finish.We would confidently work with Acropolium again and highly recommend them as a trusted software development partner.

Viacheslav Koziura Product owner at RSQD AI

5.0★

Startups Software Development Review from Viacheslav Koziura

Acropolium provided a highly skilled team for our short-term project. We had strict deadlines, and they helped us deliver everything on time. Beyond just supplying developers, they also contributed valuable expertise that improved the overall outcome. It was a smooth and professional collaboration.

Oleksandr Romanov Founder & CEO at Idea Team

5.0★

Node.js Review from Oleksandr Romanov

We partnered with the team to support the integration of AI capabilities into our existing Node.js tech stack, and the experience exceeded our expectations. From the very beginning, they demonstrated a strong understanding of both backend architecture and modern AI tools, which allowed them to quickly align with our business goals.Their approach was structured and transparent: they helped us choose the right AI models, designed scalable integration flows, and ensured smooth interaction between services without compromising performance. Communication was consistent, deadlines were met, and any challenges were addressed proactively.What stood out the most was their ability to bridge the gap between complex AI concepts and practical implementation within a real production environment. As a result, we significantly improved our products functionality and reduced time-to-market for new features.I would highly recommend this team to anyone looking to integrate AI into a Node.js-based system in a reliable and efficient way.

CA Radhesham Biyani Director at Empower Financial Consultants Pvt Ltd

5.0★

Software Development Review from CA Radhesham Biyani

My experience collaborating with Mobisoft Infotech to build a complete Document Management SaaS Platform has been truly remarkable. Their expertise, dedication, and innovative approach have played a pivotal role in bringing our vision to life. I highly recommend their services to any business seeking a reliable technology partner

Andrew Burkhart Director - Digital Strategy and Integration at Baker Interiors

4.3★

Web Development Review from Andrew Burkhart

I have been working with Emergent Software since January 2019 as our main website development and support service. They are professional, knowledgeable and flexible to our ever-changing needs. Emergent helped us seamlessly transition from our previous service and have been providing top-notch support since. From initial scope feedback and recommendations to collaborative build iterations to thorough QA, Emergent has been a solid partner and one that I recommend.

Nicola De Coppi Founder at N1AI

5.0★

AI Development Review from Nicola De Coppi

ARCQ helped us nail down the user flows and tech roadmap for our clients computer visiontool in just three weeks. Their designs and slide deck made it easy to see exactly how theproduct would work. Thanks to their clear plan, we won internal approval and kicked offdevelopment a month later.

Ivan Payne Head of Sales at FOXERGO

5.0★

AI Consulting Review from Ivan Payne

Working with ARCQ was a huge success for our team. In just one week, they mapped ourreporting flow and set up a good plan, nothing technical needed from our side. Their processhelped us see where AI could really help and gave us a clear plan to make it happen. It was simple and time effective highly recommend.

Mason Ferlic CEO at GripFusion

4.8★

Consumer IoT Review from Mason Ferlic

GripFusion is a sports technology startup developing Tactile Intelligence. Our flagship product, the ForceBall, is the first grip-sensing baseball. We approached Atomic Object with the challenge to build a React Native iPad app to connect with the embedded electronics over BLE and visualize sensor data in real time. Atomic stepped up to the plate and hit a home run! They took early R&D code and we're able to successfully navigate IoT challenges, large amounts of sensor data, and seamless UX. The developer team worked closely with our technical staff to incorporate evolving firmware and hardware improvements. The design team did hundreds of hours of user discovery and product feedback to ensure we deliver a cutting-edge experience. Overall, Atomic has the breadth and depth to tackle complex hardware-software systems.

Faizan Ali Digital Marketing Strategist at Digital Eye

5.0★

Staff Augmentation Review from Faizan Ali

A key attribute they possess is the ability and willingness to provide valuable feedback and ideas. They're collaborative and flexible.We found the company to be the best among all we have worked with before and we look forward to working with them on other projects as well in the future.

George Kalogeropoulos CEO at HealthSherpa

5.0★

Software Development Review from George Kalogeropoulos

The collaboration between Ultrashield Technology proved to be an excellent experience for our HealthSherpa team. Our enrollment platform underwent improvements in flow, functionality and user-agent navigation through their helpful assistance. Their team restructured our requirements into clean effective solutions which matched our operational systems perfectly. Clear communication along with quick response times characterized our entire work engagement with Ultrashield Technology. The system updates have brought positive changes that we can clearly see since deployment. They acted as both a trustworthy and proficient collaborator throughout our entire project work period.