For over ten years Selleo has delivered professional services on more than 150+ software development projects for clients from Europe, the US, Canada, and Australia, designing and building a number of applications throughout a wide spectrum of business domains, industries, and technologies (Ruby on Rails, ReactJS, React Native, EmberJS, Elixir).
Extend your in-house team
Whenever you want to handle a new project, deliver essential features or need a staff with specialized skills or industry expertise, our full-stack developers help you to increase overall productivity. We work in collocated agile teams crafting web and mobile applications with an entrepreneurial sense of ownership.
Embrace tech stack complexity
Our expert developers have not only the current capabilities you need but also an ability to build new ones rapidly. With the vast diversity of skills required and partnership with other specialized companies, we can deliver even the most technologically challenging software solutions.
Industry Expertise
Through the years we have gathered a broad spectrum of specialization in the development of custom SaaS and cloud-based business process management tools, digital dashboards, LMS and e-learning services, AdTech and marketing platforms, data analytics and processing solutions. We enable clients to efficiently optimize and innovate processes, products, and business ventures by developing single page applications, designing microservices architecture and crafting web and mobile applications.
I collaborate with CTOs, Product Owners and their Development Teams to boost the growth of their businesses with maintainable and scalable software solutions. I have a background spanning multiple programming languages/frameworks.
Dawid Posliński
CTO
As a CTO I am responsible for investigating and assessing new and existing technologies along with processes to develop innovative offering concepts as well as the technology strategy and vision. I'm experienced in many programming languages/frameworks EmberJS, Ruby on Rails, Objective-C or Java.
CLIENT AND TEAM LEAD
Client and Team Lead
In the last 12 years, the majority of my professional experience comes from building e-commerce platforms, business process management tools as well as learning management systems and media/marketing dashboards.I collaborate with CTOs, PO and their Development Teams to craft software solutions.
Radosław Jędryszczak
CLIENT AND TEAM LEAD
In the last 11 years, I’ve gained experience on more than 20 web applications delivered to companies from Europe, the U.S and Australia, mostly for Fintech and E-payment solutions industry sectors.
Szymon Kieloch
CLIENT AND TEAM LEAD
I am an agile Team Leader, Project Manager and testing advocate supporting other developers.Specializing in NodeJS, Ruby On Rails, ReactJS and Angular, I worked mostly for Healthcare and Marketing industry helping clients to scale their development.
Tomasz Noworyta
CLIENT AND TEAM LEAD
I know what it takes to not only get the job done but to get it done with excellence on both back-end and front-end. I am Ruby on Rails developer with skills in React.js and React Native, experienced in MySQL and Postgresql databases.
Arkadiusz Janik
UX/UI TECH EXPERT
I'm a passionate Graphic Designer and Front-end Developer with an interest in UX and interaction. I shape, sculpture and visualise the product and its branding across multiple platforms.
Digital Marketplace for Digital Recruitment Platform
Project Type: Software Development
Review Date: 9 December, 2021
The client couldn't be happier with the services that Selleo's provides. The team takes full ownership of their work and they continue to pursue the best tools available to maintain the platform's security and scalability. The communication is transparent throughout the development.
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The client couldn't be happier with the services that Selleo's provides. The team takes full ownership of their work and they continue to pursue the best tools available to maintain the platform's security and scalability. The communication is transparent throughout the development.
Peter Lancaster
Founder at Brandactif
Brandactif visual commerce
Project Type: App Development
Review Date: 10 August, 2020
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.
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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.
Nate Oaks
CTO & Co-Founder at Breezaway
Property management software
Project Type: Software Development
Review Date: 10 August, 2020
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./ Supplementing resources in-house, the team at Selleo provides development support for a software startup. The team developed and designed a React web platform and native mobile application.
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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./ Supplementing resources in-house, the team at Selleo provides development support for a software startup. The team developed and designed a React web platform and native mobile application.
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