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Our Clients' applications were featured in:
With expertise gained on over 150 international software projects
our developers and teams enable CEOs, CTOs, VPs of Engineering and Product Owners in startups and SMEs to design and craft quality software solutions. In doing so, we either augment clients’ in-house teams or deliver complete turnkey projects.
American Funding Innovators, with more than 15 years in the business of grant search databases, is a US leader in helping organizations improve the management of grant funds and tracking results. AFI is also a partner organization with the Grant Professionals Association (GPA).
Selleo’s developers and designers, working halfway around the world, were always professional and surprisingly responsive, and their pairing system was instrumental in ensuring continuity over a project spanning 2 years. I would definitely recommend Selleo, and would not hesitate to work with them again.
Scott Frost
CEO American Funding Innovators, Inc., USA
Crafting a single, centralized compliance platform
Grant Management
Grant Navigator is a web-based grant management platform which aims to standardize compliance efforts and guide users through the whole grant life cycle. With its intuitive digital dashboards, recipient organizations have real-time one-click access to detailed information and all activities concerning grants.
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.
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.
Steve Cornwell
CEO, Northpass, USA
Learning Management Platform
Building competitive advantage through online training
Northpass - a SaaS learning management platform - enables the creation and distribution of learning content. The system provides digital infrastructure for training operations and supports the delivery of branded training experiences. Leading companies such as Airbnb, Uber and Shopify use Northpass to streamline their human resource development processes.
trommsdorff + drüner innovation + marketing consultants GmbH is a Berlin-based international consultancy for data-driven innovation in marketing services.
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. Additionally, their developers have a wide range of interests, extending their knowledge to improve different elements of my business.
CTO, trommsdorff + drüner, Berlin
Business Intelligence
Data-driven innovation in marketing services
The BI software tool allows users to visualize, track and benchmark data from social media and Google Analytics to derive an optimal product strategy. With elegant charts and graphs at their hands, the application users gain valuable insights with which to make well-informed decisions. The social media dashboard works as a centralized analytics panel, revealing key consumer insights and enabling the client to stay ahead of their competition.
Metreno AS is a communications and HR consultancy from Norway which operates a cloud-based SaaS platform for psychometric tests and evaluations.
Selleo has proved to be a team of skilled and professional programmers. It was only Selleo who understood what kind of business we were after. We were impressed by the professionalism the company has with regard to processes. They have done a remarkable job in delivering a great product to us.
Frode Jakhelln Laugen
Managing Director, Metreno AS, Norway
Evaluation management platform
Helping our client reach Fortune 500 companies
The evaluation platform facilitates survey management with advanced reporting. It helps enterprises, consultancies, and test providers to simplify and streamline the process of HR-related data processing. The solution is used by such corporate clients as Adecco, Statoil Fuel & Retail, Hogrefe, Karriereverktøy.
Payment Card Solutions Ltd is a London-based financial services company that specializes in operating prepaid MasterCard programs across Europe.
Selleo helped maintain a large code base, and helped build new systems on Ruby on Rails. They incorporated HTML, improved security and reliability.
Rob Anderson
CTO, Payment Card Solutions, London
Managing corporate expenditure with ease
Financial Service
B4B Payments is a business payments innovator offering smart and flexible corporate payments and card solution. Company delivers prepaid cards and outbound payment services to manage corporate expenditure for both employees and businesses globally. The solution is used by such brands as Hotjar, EF, Relyon or Outbound.
American Funding Innovators, with more than 15 years in the business of grant search databases, is a US leader in helping organizations improve the management of grant funds and tracking results. AFI is also a partner organization with the Grant Professionals Association (GPA).
Selleo’s developers and designers, working halfway around the world, were always professional and surprisingly responsive, and their pairing system was instrumental in ensuring continuity over a project spanning 2 years. I would definitely recommend Selleo, and would not hesitate to work with them again.
Scott Frost
CEO American Funding Innovators, Inc., USA
Crafting a single, centralized compliance platform
Grant Management
Grant Navigator is a web-based grant management platform which aims to standardize compliance efforts and guide users through the whole grant life cycle. With its intuitive digital dashboards, recipient organizations have real-time one-click access to detailed information and all activities concerning grants.
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.
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.
Steve Cornwell
CEO, Northpass, USA
Learning Management Platform
Building competitive advantage through online training
Northpass - a SaaS learning management platform - enables the creation and distribution of learning content. The system provides digital infrastructure for training operations and supports the delivery of branded training experiences. Leading companies such as Airbnb, Uber and Shopify use Northpass to streamline their human resource development processes.
trommsdorff + drüner innovation + marketing consultants GmbH is a Berlin-based international consultancy for data-driven innovation in marketing services.
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. Additionally, their developers have a wide range of interests, extending their knowledge to improve different elements of my business.
CTO, trommsdorff + drüner, Berlin
Business Intelligence
Data-driven innovation in marketing services
The BI software tool allows users to visualize, track and benchmark data from social media and Google Analytics to derive an optimal product strategy. With elegant charts and graphs at their hands, the application users gain valuable insights with which to make well-informed decisions. The social media dashboard works as a centralized analytics panel, revealing key consumer insights and enabling the client to stay ahead of their competition.
Metreno AS is a communications and HR consultancy from Norway which operates a cloud-based SaaS platform for psychometric tests and evaluations.
Selleo has proved to be a team of skilled and professional programmers. It was only Selleo who understood what kind of business we were after. We were impressed by the professionalism the company has with regard to processes. They have done a remarkable job in delivering a great product to us.
Frode Jakhelln Laugen
Managing Director, Metreno AS, Norway
Evaluation management platform
Helping our client reach Fortune 500 companies
The evaluation platform facilitates survey management with advanced reporting. It helps enterprises, consultancies, and test providers to simplify and streamline the process of HR-related data processing. The solution is used by such corporate clients as Adecco, Statoil Fuel & Retail, Hogrefe, Karriereverktøy.
Payment Card Solutions Ltd is a London-based financial services company that specializes in operating prepaid MasterCard programs across Europe.
Selleo helped maintain a large code base, and helped build new systems on Ruby on Rails. They incorporated HTML, improved security and reliability.
Rob Anderson
CTO, Payment Card Solutions, London
Managing corporate expenditure with ease
Financial Service
B4B Payments is a business payments innovator offering smart and flexible corporate payments and card solution. Company delivers prepaid cards and outbound payment services to manage corporate expenditure for both employees and businesses globally. The solution is used by such brands as Hotjar, EF, Relyon or Outbound.
American Funding Innovators, with more than 15 years in the business of grant search databases, is a US leader in helping organizations improve the management of grant funds and tracking results. AFI is also a partner organization with the Grant Professionals Association (GPA).
Selleo’s developers and designers, working halfway around the world, were always professional and surprisingly responsive, and their pairing system was instrumental in ensuring continuity over a project spanning 2 years. I would definitely recommend Selleo, and would not hesitate to work with them again.
Scott Frost
CEO American Funding Innovators, Inc., USA
Crafting a single, centralized compliance platform
Grant Management
Grant Navigator is a web-based grant management platform which aims to standardize compliance efforts and guide users through the whole grant life cycle. With its intuitive digital dashboards, recipient organizations have real-time one-click access to detailed information and all activities concerning grants.
Our Clients' applications were featured in
Hire experienced Ruby on Rails developers
Błażej Kosmowski
Lead Developer
- The author of over 17 technical articles related to Ruby On Rails development
- Conducted over 50 workshops and presentations for both internal staff and outside of the company
- Created the Selleo/pattern gem: A collection of lightweight, standardized, rails-oriented patterns
Szymon Kieloch
Lead Developer
- 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.
Ireneusz Skrobiś
Lead Developer
- 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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