The developers at Selleo are supportive, capable, and adept. They always find solutions to challenges that arise. I am happy with their services and would recommend them for anyone looking for a professional firm.

The developers at Selleo are supportive, capable, and adept. The quality of the work was good in terms of development.

Selleo has proven to be one of the best outsource development partners we've ever used. They are reliable, communicative, always helpful, consistently deliver to a high standard and are an absolute pleasure to work with too.

The communication between our teams is excellent. Selleo always clearly communicated with us and we never had any bad surprises. They speak English perfectly.

Collaborative and engaged, Selleo made a marked effort to fully grasp the scope and objectives to achieve the optimal outcomes.

They have good quality code, and we like their approach. Selleo holds themselves to a high standard that I’ve rarely seen in agencies. They only deliver projects that are free of software bugs.

Our teams established a close integration. They quickly became part of our team, which helped us a lot.

Selleo offered insightful and actionable suggestions to enhance the website’s UX and overall quality. Drawing from an extensive knowledge base, the developers programmed clean, high caliber code.

We mostly managed Selleo’s resources internally. They made suggestions and waited for us to instruct them whether or not to instate them. Our communication was very direct.

Selleo offered insightful and actionable suggestions to enhance the website’s UX and overall coding quality. Their involvement in several projects with our onsite team helped reach our timeline goals

Selleo wrote a very good quality of code. Drawing from an extensive knowledge base, the developers programmed clean, high caliber code.

Pleasant, skilled, and accommodating, the team maintained a responsive and open dialogue. They were fully capable of collaborating with our existing team.

I've found an exceptional development partner in Selleo. Thanks to their skill, adaptiveness and integrity, I consider them dear and full members of my team for both backend, web, and React Native development.

Selleo helped us build our digital platform and began the re-write from scratch. They use their good judgment to build something that looks and work well.

They perform well. I’ve never had to push them or make them work faster in any way. I believe they do exactly what I expect them to do, and there are no surprises, which is what we look for in a team.

They have surprised us in terms of code quality or breakages. The team works hard, writing good code and completing all work punctually and to a high standard.

They are very sympathetic to work with. We don’t really think of them as an outside shop as they are part of the daily grind.

We’re really happy to give them free rein to follow their instincts when solving things. I feel like I can trust them as I can my own team, which is important to me.

We've had nothing but good experiences with the team at Selleo, they are dedicated and have meshed really well with the rest of the teams.

Through Selleo’s phenomenal organization and technical skills, all software initiatives demonstrate reliable functionality and promote internal investing success. The team’s responsive leadership, detail-oriented workflow, and transparent structuring continue to impress.

We can talk to them every day, and their leadership is very responsive.

Through Selleo’s phenomenal organization and technical skills, all software initiatives demonstrate reliable functionality and promote internal investing success.

They have an organized and process-oriented approach to problems Their processes smooth out tasks during tight timelines or other issues..

They’re willing to work with us instead of sticking to an adversarial vendor relationship.

The team at Selleo has been positively received internally. Their dedication to the success of the company is noteworthy. They’re skilled and responsive. Customers can anticipate a real partnership while working with them.

Selleo dedication to the success of the company is noteworthy. They’re skilled and responsive. Customers can anticipate a real partnership while working with them.

They’re excited about all of the projects we’re working on. It feels that they brought into what we’re trying to build.

We appreciate how invested Selleo is in our product. Their team strives to be part of our organization by learning our business.

Selleo have allowed us to quickly scale our existing teams with additional developers, often within a couple of weeks. They're a pleasure to work with and have always delivered outstanding quality!

They outperformed any other contractor we’ve worked with, and their communication, dedication, and quality of work is second to none. Without Selleo’s support, the frontend UI would not exist.

As with any agile development process, we identified bugs regularly and prioritized to solve the most significant ones.

We wouldn't have a working frontend without them. The functionality and reliability of their work is solid.

Even though they were a remote contractor, they worked as if they were part of the in-house team.

Northwood Advisors' reputation rides on every solution we deliver. So when I need a development partner, I feel comfortable knowing I've got the Selleo team helping me.

The Selleo team was very efficient, and I recommend them for their attitudes towards understanding user needs and delivering great software.

Selleo has certainly contributed to our recognition as a market leader. They treat this project as if it was their own business. They are emotionally invested in what they’re doing, which, to me, is unique.

Selleo has certainly contributed to our recognition as a market leader by customers and strategic partners.

They are effectively working with us through the entire stack and development process.

Overall, the quality of the code has been consistently high.

Selleo treated this engagement like more than a project and a paycheck. They are emotionally invested in what they’re doing, which, to me, is unique.

Selleo treats this project as if it was their own business, offering great feedback on an almost weekly basis.

Selleo has proved to be a professional and competent web and mobile software development team, they were apt at understanding our wishes and extremely service minded. I highly endorse whole Selleo team.

Selleo’s outstanding price point, ability to meet all deadlines, and willingness to assimilate with the in-house staff created a more efficient workflow.

They really assimilated directly into our process. Through Selleo’s consistent supplementation, the integrated workforce completed tasks faster and with improved accuracy.

We were incredibly satisfied with their work. They delivered to the highest level of quality.

The team at Selleo was fully integrated with our in-house team. We treated them and worked with them just like our own employees.

The team at Selleo have been fantastic to work with. They are highly skilled and knowledgeable programmers and designers who are very conscientious of delivering the best product possible.

Selleo used daily communication to keep the project in check. Their company culture clearly nurtured an energetic and informal working environment.

Before starting the project I had heard stories of some of the challenges of building software, but I’m happy to say the process of building the platform with my team at Selleo has been excellent and very enjoyable

The guys are like family to me. Even as a virtual team, I probably see them more than some of my friends here in Sydney.

What sets Selleo apart is the enthusiasm and care taken on the project beyond scope. The guys are really into the project and I know they really care about it’s success.

We’ve never encountered a language barrier; all interactions and documents are done in English. They’re interested in our feedback, proactively finding ways to improve.

As a central selling point, the product attracts new clients and increases sales. Selleo's suggestions are extremely valuable, making them a cornerstone of our product development.

We collaborate to define the best strategies for our product’s technical architecture, implementation plans, and development processes.

Their developers not only provide basic coding services, but they also participate in code reviews and offer feedback.

Their talented developers don’t see this as just a simple project; it’s clear that they care about our success. This attitude is something money can’t buy, so I appreciate this level of dedication.

Selleo developers have a wide range of interests, extending their knowledge to improve different elements of my busines

Selleo has been a great partner for us since day one. They provide a team of skilled and professional developers that are self going, engaged and well organised. We often recommend Selleo highly to other partners and associates.

Selleo delivered a reliable product that’s still being used today. With Selleo, the entire development process was quite open and lean, they were so well integrated into our team. It was a transparent and productive engagement.

Selleo delivered a reliable product that’s still being used today. Compared to other vendors, the team stands out for their involved collaborative skills and seamless workflow.

With Selleo, the entire development process was quite open and lean. Overall, it was a transparent and productive engagement.

We have worked with Selleo for several years and can highly recommend them as a software partner. Selleo has been a team that has proven they're dedicated to completing innovative projects and offering useful direction for our software.

Selleo has been a team that has proven they're dedicated to completing innovative projects and offering useful direction for our software.

The team works hard, writing good code and completing all work punctually and to a high standard.

They are able to work on their own initiative and take responsibility for their tasks.

I’ve been quite impressed with Selleo’s work — they built a beautiful product with outstanding code. Selleo’s other strengths include Agile project management, excellent English communication skills, and consistent professionalism.

The majority speaks English well, and they would tell me if I’m speaking too fast or if something isn’t clear. This is valuable for us since communication is key in dealing with different time frames.

I’ve been quite impressed with Selleo’s work — they built a beautiful product with outstanding code.  The app has received a lot of accolades from the industry during conference demos.

For a project of this magnitude, things are going smoothly from a development and management perspective. Selleo’s team is professional, and they follow our timelines.

Selleo takes care of any issues along the way. They want to fix the product and code in order to have the highest-quality product.

With Ruby on Rails expertise and the capacity to perform UX and graphic design together with DevOps, Selleo is the right fit from every angle. Their communicative approach to project expectations fosters mutual trust.

They’re good at communicating and careful when setting expectations.  It’s important to have trust between partners, and they’re open enough for that to cultivate.

Selleo has built some amazing things as of late. This platform is the first of its kind and we have been attracting some giant corporations to partner with.

I rely on them heavily from a project management standpoint.  Selleo works methodically and correctly, rarely making mistakes. They don’t overpromise, in fact, they probably overdeliver—and that’s a good thing.

Selleo doesn’t just code, they understand what they’re coding and what the commercial implications could be.

The people blow me away, they’ve got a fantastic team. Everyone on their team is motivated and we all get on really well. After three years with the team, we still enjoy working together.

It helps to have a team that understands the commerciality behind what we’re trying to do.

We have worked with Selleo's development team for the past three years. They have been consistently diligent and reliable, and they have produced high quality code for us. We have no hesitation in recommending them.

They’re well-versed across the team, and they communicate well and listen to feedback.

They help us maintain our existing large code base and built some standalone new systems that we needed to build for clients.

They’re well-managed as a team and very inclusive. I was impressed by their professionalism.

I was very impressed with the quality of the frontend work they did, their professionalism, and their organization.

Selleo wasn't the cheapest, wasn't the most expensive, but it was by far the best value. They've continued to work with us on different issues, and with the pandemic, they helped us pivot and were extremely flexible.

Selleo came in and rescued the project and saved the day. Then, when the pandemic hit, they helped us pivot and worked with us. We're now in good shape when it seemed like we would never finish the project before.

Selleo treated us like an intelligent partner. Instead of telling us exactly what we wanted to hear while staying vague, they dove into the problem and invested time figuring out how we'd solve it, what the problems were, etc.

Selleo's reliable, flexible approach differentiates them from other partners. Rather than producing a generic project plan, they crafted one that fit our unique needs.

Selleo has been an outstanding technology partner over the full life cycle of one of our key product developments.

Selleo has exceeded our expectations for professional and competent web and mobile software development. They have been helpful in every phase of the development process.

They work seamlessly with our internal team, and are adept at understanding our business, and technology objectives.

We've been working with Selleo for over a year and are very satisfied with our collaboration. The code they delivered almost always lived up to our highest expectations. They've been a very trustworthy partner in our software projects.

Selleo is quite flexible and adapted to our needs whenever necessary They're supportive and always help to find the most cost-effective solution to our problems.

Able to work independently, Selleo has become a trusted ongoing partner, capable of delivering quickly. Their industry experience and technical skill allow them to not only implement specifications but make critical product optimizations.

They make everything easier on our side by taking on so many of the technical burdens. We value their opinion, and they respond by going the extra mile to optimize our product.

Selleo industry experience and technical skill allow them to not only implement specifications but make critical product optimizations.

Selleo understands our expectations at the beginning of every sprint and plan their work to ensure it's in alignment with ours. Customers can expect a knowledgeable, productive partner.

Their experience allows them to act like an in-house team if they understand your process. They’re an incredibly beneficial technical partner.

We’ve developed a significant amount of trust in Selleo, that they can deliver the velocity and quality we need.

Selleo has provided excellent development services to us. We use them in development of EmberJS solutions. They are very flexible dedicated team, integrating easily with our own team, processes and flows.

Their team worked diligently to provide a solution that runs effectively. We can now ship our products faster and demonstrate our ability to execute quickly.

Selleo has provided excellent development services to us. I'm impredded about the passion they put in their daily work, their up-to-dateness of their skills

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Alyne GmbH is a Munich-based venture-backed B2B RegTech company providing SaaS software products in the domains of cyber security, risk management, and compliance. The solution is trusted by such industry-leading companies as Barclays, Allianz, Deloitte and solarisBank.

Seeking expertise to ship complex features faster?

We wanted to augment our team, speed up the development process, and transfer knowledge. Selleo worked diligently to provide a solution that runs effectively. They produced a result that followed the specifics of a complex project.

Alyne needed software development expertise on improving the flexibility of the frameworks they use for SaaS products. Selleo provided expertise on improving the framework for a SaaS solution. This included providing insight on API and UI. They leveraged our skills and expertise to ship features faster and demonstrate their ability to execute.

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Northpass (formerly SchoolKeep Inc.) is a US-based company which provides a cloud-based LMS used by enterprise clients to manage online courses and optimize their training operations. Leading companies such as Airbnb, Uber and Shopify use Northpass to streamline their human resource development processes.

Struggling with scaling your SaaS development?

Through Selleo’s consistent supplementation, the integrated workforce completed tasks faster and with improved accuracy. Selleo’s outstanding price point, ability to meet all deadlines, and willingness to assimilate with the in-house staff created a more efficient workflow.

Northpass was looking to augment their domestic engineering team with a larger, lower-cost option for development talent. They wanted build a competitive advantage by lowering their overall cost structure for research and development. Our developers assimilated directly into client’s process. We worked on a functional SaaS platform delivering everything from code refactoring to large-sclae features.

Augment your team for greater capacity

Vtelligence bvba is a Belgium management consulting firm, specialized in project management. Their area of expertise is strongly related to supply chain improvements, Information Technology and ERP. The company provides 9teams a SaaS cloud solution powered with SAP Activate.

Looking for a development team to build a brand new SaaS platform?

Selleo has proved to be a professional and competent software development team, they were apt at understanding our wishes and extremely service minded. I give Selleo our highest recommendations.

Selleo was approached to design and build a SaaS platform that would implement the right flow of events according to the best practices associated with SAP implementations. The whole project started with a series of workshops. We were able to guide the client through the process of bringing his ideas to life in a methodical and cost-effective manner. The clickable prototype allowed the team to iterate through ideas in a matter of days rather than weeks.

Work with a cross-functional agile team

The head of design for several SaaS platforms delivered for global clients.

Responsible for the UX/UI part of a funding platform used by leading European investors.

Evangelist of modern web design with the mobile first approach.

arkadiusz-janik

The architect of business process management application used by Fortune 500 companies

Augmented development of apps which were featured in Mashable, Forbs, TechCrunch, BusinessInsider

Maintained and governed RoR security app with 40+ mln users and optimized the SaaS platform functionalities speeding them up 3000 times.

szymon-kieloch

The Team Leader of several cloud-based and SaaS services, delivered for clients from 7 countries in Europe and America

Managed an augmented a team that developed web application which raised almost 2 mln USD in funding

A speaker and a mentor sharing Ruby on Rails best practices and helping developers boost their coding skills

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I am a passionate Graphic Designer and Front-end Developer with an interest in UX and interaction.

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I am an agile Team Leader, Project Manager and testing advocate supporting other developers. Having optimization and scalability in mind I lead software teams in the end-to-end project development lifecycle, e.g., architecture design, code and documentation review.

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