15 Best Backend Development Companies in Europe (2026)

Gilzor develops custom digital products with backend engineering as part of a wider software development process. The company works on server-side systems for web and mobile applications, including API development, database structures, integrations, and backend support for products at different stages of growth. Its work covers areas such as fintech, healthcare, ecommerce, and education, with a focus on building software that can be extended as business requirements change. 

The company also supports MVP development and product improvements, helping teams create backend foundations for new applications or update existing systems. Backend work can include application architecture, integrations with third-party services, and ongoing technical support. 

The Software House provides software development services for companies building web platforms and digital products. Its engineering teams work on backend systems, application development, cloud solutions, and modernization projects.

The company is often involved in projects where backend architecture needs to support long-term product development, integrations, and growing user demand.

OSKI Solutions provides backend development services focused on APIs, databases, server-side applications, and cloud-based systems. The company works with technologies such as .NET and Node.js and covers backend development from data models and business logic to deployed services and integrations. 

Its backend work is aimed at products that need reliable infrastructure behind web and mobile interfaces. OSKI also works on software modernization, custom applications, and systems that require integration with existing platforms. 

ELEKS provides custom software development services, including backend engineering, cloud solutions, data management, and enterprise software development. The company works with organizations building large-scale applications and systems.

Its backend capabilities cover application architecture, integrations, database solutions, and software modernization for different industries.

A-listware provides backend development as part of its broader software engineering services. The company works on web applications, enterprise platforms, integrations, and custom software projects using technologies including .NET, Java, Python, PHP, Node.js, and Go. 

Its backend capabilities include application architecture, API development, system integration, QA, maintenance, and support. The company can work with businesses that need a complete development team or additional engineering capacity for existing products. 

Intellectsoft develops custom software solutions for businesses that need enterprise applications, backend systems, and digital platforms. Its services include software engineering, cloud development, system integration, and application modernization.

The company works with organizations that require backend infrastructure supporting business processes, customer-facing platforms, and internal systems.

Net-devs focuses on software engineering for technically complex products, including enterprise systems, cloud platforms, and backend-driven applications. Its backend technology stack includes .NET, JVM technologies, Node.js, Python, and Go, allowing the company to work across different software architectures.

The company also works with cloud platforms such as AWS, Azure, and Google Cloud. Its approach is oriented toward applications where architecture, scalability, and maintainability are important factors. 

Altoros provides software development services with expertise in backend engineering, cloud platforms, distributed systems, and enterprise applications. The company works with businesses developing scalable software solutions and technology platforms.

Its backend-related services include application development, cloud architecture, integrations, and modernization of existing systems.

SoftPro develops custom software and web applications with a focus on Microsoft technologies and modern web stacks. Its backend capabilities include application development, cloud solutions, API-related work, and business software projects. 

The company works with technologies including .NET Core, ASP.NET, Azure, Node.js, and related frontend frameworks. Its projects include CRM systems, SaaS platforms, business portals, and integrated software solutions. 

Lengreo works on custom software development projects, including backend engineering, web applications, integrations, and product development support. The company provides development services for businesses that need technical teams to build or extend digital products.

Its backend work can include server-side application development, API integrations, database-related tasks, and support for software platforms that require ongoing improvements.

Mobian Studio develops digital products combining backend, frontend, mobile, and AI capabilities. The company works on custom software projects, web applications, APIs, and backend systems for industries including healthcare, fintech, logistics, and enterprise IT. 

Its engagement models include project-based development and team extension. This approach allows companies to add backend engineers or work with a full development team depending on project needs.

Itexus develops custom software solutions with backend engineering as a major part of its work. The company builds web applications, enterprise systems, APIs, and software platforms, with significant experience in fintech and other industries requiring complex business logic. 

Its backend services include architecture planning, database development, integrations, DevOps support, and application modernization. The company also works with startups and established businesses building new software products.

ScienceSoft provides software development services covering backend engineering, application development, integrations, and system modernization. The company works with businesses across healthcare, retail, finance, and other industries.

Its backend teams handle areas such as APIs, databases, enterprise applications, and software maintenance.

N-iX develops software solutions for businesses that need engineering teams for backend development, cloud systems, data platforms, and enterprise applications. The company works across industries including finance, healthcare, manufacturing, and logistics.

Its backend services include application development, cloud migration, integrations, and support for complex software environments.

Iflexion provides custom software development services, including backend development, enterprise applications, integrations, and web platforms. The company works on projects that require tailored software rather than standard solutions.

Its backend expertise includes database-driven applications, APIs, business systems, and software improvements for existing platforms.