Home
Services
Custom Software

Custom Software Development Services

C-executives and business owners from small and medium enterprises collaborate with our dedicated product teams to outperform their competitors and generate business value. Our friendly and trustful relationships with clients enable us to offer our advice and build unique custom solutions.

  • Close collaboration
  • Innovative design
  • Increased ROI
Book a call
Global brands and educational institutions benefit from digital products we've developed:
brand logo
brand logo
brand logo
brand logo
brand logo
brand logo

How we drive your custom software solutions to success

With custom application development expertise in UX Design, Front-end, and Back-end implementations our developers and designers can help you execute quickly and ship products faster. We specialize in designing, building, and maintaining distributed multi-tenant, secure, and robust custom software solutions.

We all speak English and advocate one team one room rule. Our accessibility and strategic feedback ensure broadband communications, productivity, and efficient delivery. We work in Scrum and have a sense of ownership. Designers and developers care about clients showing initiative and a proactive approach to problem-solving

  • Cost-effective development
  • Cross-functional agile team
  • Technology expertise
+
Delivered Projects
+
Years of experience
+
Certificates & awards
AI IMPLEMENTATION

Customized AI features that we can implement to your platform

The best way to stay competitive with your application is to follow trends and tools that shape your industry! Adopting AI capabilities can significantly improve your business performance. Some of these are the following:

AI-driven content creation

Automated grading and feedback

Adaptive learning systems

NLP for language learning

Predictive analytics for employee performance

Gamification and AI-enhanced learning games

AI chatbots for customer engagement

Smart assistants

Voice recognition

AI-powered analytics and personalization

AI Image
Head of production
IreneuszHead of production
TRUST OUR EXPERIENCE

Create your competitive edge!

Consult your e-commerce project with a custom software development company.

Our Expertise

Our custom development case studies

LMS

From an MVP to a successful e-learning platform

Defined Learning contacted us to develop the MVP version of the Defined Careers app in Ruby on Rails. The whole code-base was built from scratch which later was integrated with Defined other existing systems. Our UX/UI team was also responsible for the designs later.View project
slider image

Our custom software development process

Our dedicated software development experts empower your ideas to life with hands-on experience and proven efficient tools.

Understanding your needs

Whether it involves custom software development or team augmentation, we recognize that each business is unique.

  • Share project overview.

  • Sign an NDA if needed.

  • Validate idea with Business Analyst and Technology Leader.

01
YOU

Share your goals and project vision.

WE

Explore your ideas with insightful questions.

DURATION

2-5 days

OUTCOME

Alignment of your software initiatives with business goals.

Defining project roadmap

Whether it involves shaping your project vision or estimating costs, we ensure your roadmap is both comprehensive and clear.

  • Participate in a discovery workshop.

  • Convert your business case into a project roadmap.

  • Obtain details on the project timeline and budget.

02
YOU

Follow our process for defining the project scope.

WE

Transform your ideas into detailed software requirements.

DURATION

120 minutes

OUTCOME

A clearly defined Project Scope with Estimations including delivery time, team size, and costs.

Signing contract

Whether you decide on a budget or time-and-material model, we ensure transparent and clear collaboration terms, tailored to your needs.

  • Review legal aspects concerning IP transfer and confidentiality.

  • Interview developers and approve the team composition.

  • Select payment options that align with your business model.

03
YOU

Discuss the legal facets of the collaboration and approve the team members.

WE

Provide a contract and introduce the development team.

DURATION

2-5 days

OUTCOME

A contract that outlines mutual expectations and rules of collaboration, ensuring the protection of your rights to the software.

Starting your project

Whether you choose to visit our office for the project kick-off or opt for an online meeting, we align our entire team with your business case for fast and efficient development.

  • Meet the team and establish the communication flow.

  • Provide necessary insights to ensure an understanding of your business goals.

  • Familiarize yourself with the tools and processes used in software development.

04
YOU

Build relationships with the team and share your business case.

WE

Present the software development process, set up collaboration tools, and align with your business goals.

DURATION

1-3 days

OUTCOME

A smooth collaboration process with established communication flows that ensure constant feedback and the delivery of business value.

Designing your app

We adhere to top UX/UI standards to ensure that your application not only meets user expectations but also stands out from the crowd.

  • Provide insights on the look and feel that reflect your brand.

  • Choose a design that perfectly addresses the unique needs of your users.

  • Decide how you want to structure user flow on both web and mobile versions of the app.

05
YOU

Deliver your expectations for the general appearance of the application and provide feedback.

WE

Prepare various mockups that adhere to the best industry standards in both UX and design.

DURATION

1-2 months

OUTCOME

A low-code, ready-made design and prototype of an app that can be presented to investors and used to gather user feedback.

Developing your project

We consistently adopt an agile approach with Scrum to ensure a fast feedback loop and continuous value delivery.

  • Participate in planning sessions to set the project direction.

  • Provide feedback on application components during demo sessions.

  • Discuss the growth of both your application and business with our consultants.

06
YOU

Engage in the development process and approve progress after each iteration.

WE

Work in 2-week-long iterations, delivering parts of fully functioning software that are tested and ready for review.

DURATION

Depends on the scope, with MVP achievable within 3 to 5 months.

OUTCOME

Incremental growth of your software, delivered in segments ready for implementation, both in terms of functionality and design.

Establishing post-implementation support

We ensure robust service level agreements (SLA) to guarantee the reliability and maintenance of your application, enhancing user satisfaction.

  • Define the support tiers and response times that best suit your operational requirements.

  • Outline procedures for emergency response and regular support interactions.

  • Agree on maintenance schedules and system update protocols.

07
YOU

Agree on the SLA terms and specify your support needs and expectations.

WE

Draft and finalize an SLA that assures timely and effective support, or train your people to deliver such service.

DURATION

Initial setting of legal rules: 1-2 weeks, followed by adjustments based on mutually agreed conditions.

OUTCOME

A comprehensive SLA and support plan that ensures continuous operational efficiency and enhances user experience.

OUR YOUTUBE

Get expert advice on software development

Go through various industries and learn the hidden gems revealed by our experts. Those insights may help you make the right business decision, especially nowadays when specific choices can change your position on the market!

Our YouTube

Interested in custom software development?

Get a free quote for your project. Reach out today!

Dawid Pośliński

CEO

Dariusz Wylon

CBO
  • Benefit from our expertise and planning

  • Hire developers at competitive rates

  • Leverage our elearning-centric approach

or

Client Value & Trust

Learn how entrepreneurs, business and technology leaders who are after software driven innovation are collaborating with our high-performing teams.

Matthew O’Neill
Matthew O’Neill
CEO & Co-Founder, Samewave UK

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.

faq
  1. Outdated manual processes: If manual processes are slowing down your organization, custom software can modernize and streamline them.
  2. Integration challenges: If current systems can't effectively communicate or share data, custom software can be developed to integrate them.
  3. Unique business requirements: If your organization has specific needs that can't be met by existing software, custom software can be designed to meet those needs.
  4. Scalability limitations: If your organization is expanding and existing systems can't keep up, custom software can be designed to grow with your business.
  5. Security risks: If sensitive data is being handled, custom software can be developed with stronger security measures to protect that data.
  6. Competitive advantage: Custom software development company can give your organization a unique advantage by providing a customized solution that meets your specific needs.
Different custom software development firms have varying pricing models, often charging by the hour for software development services. However, cost depends on project complexity and other factors. It's important to clearly communicate project requirements and goals before asking for cost estimates, but remember that a lower price may not always result in a better solution, especially in the software development process.

As a software development firm, we can deliver our services in two different ways:

  1. Dedicated team: a method in software development services where a company is contracted to deliver a specific, well-defined product or set of products within a specified timeframe and budget. The focus is on providing the project goals, rather than ongoing support or maintenance.
  2. Staff augmentation: in software development, works by adding external software developers to a company's existing in-house development team. The external developers are integrated into the team and work alongside the in-house developers to complete the software project.

Selleo advocates following the rules and principles of Agile and Lean software development methodologies as the best approach to managing projects. We use Scrum as a lightweight agile process framework to manage our software development as it ensures an appropriate level of communication and collaboration with the client people. We perceive it to be a critical success factor in the execution of outsourced projects. The methodology many times proved to greatly help to integrate all the team members involved in the case of both independent and augmented development teams.

Scrum business processes
The cost of custom software development services can vary significantly depending on several factors. Firstly, the complexity of the software plays a crucial role in determining the cost. More complex software with advanced features and functionality will generally be more expensive to develop. Secondly, the size and experience of the development team can impact the cost. Hiring a large team or a highly skilled team of developers may result in higher costs.

Our custom software development process involves several key stages:

Requirements analysis: We engage in conversations with you to precisely understand your needs and business goals.
Designing: We create a software design and prototype that takes into account your requirements.
Programming: Our team of programmers begins the process of software development.
Testing: We thoroughly test the software to ensure it functions correctly and meets all requirements.
Deployment and support: We assist in the software deployment process and provide technical support after deployment.

Awards & Certificates

reviewed on
30 reviews
  • Top 1000 Companies Global 2021
  • Top Development Company Poland 2021
HR dream team
  • 2020 HR Dream Team Award
  • 2016 Employer Branding Featured
  • 2015 HR Dream Team Award
ISO CertificateISO CertificateAWS Certificate
  • Information Security Management System compliant with PN-EN ISO/IEC 27001
  • Business Continuity Management compliant with ISO 22301
  • AWS Certified Solutions Architect - Associate