Altoros has been nominated for the TechBehemoths 2023 Awards

Back-End Development Services

Altoros assembles dedicated back-end software development teams of middle- and senior-level engineers to build applications with a focus on high availability, scalability, portability, and security.

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Our customers

Back-end development services we provide

Custom back-end software development
Looking for a back-end development company to build performant and scalable software? Rely on Altoros to engineer an application that brings the perks of cloud, containerization, continuous integration/delivery, etc., to the table.
Back-end development for mobile apps
Use our back-end development services to create secure native and cross-platform mobile apps, while enabling seamless integration with any services of choice. Altoros will also assist you in such laborious tasks as developing business logic.
Cloud-native development
Partner with an established back-end development company to shift from legacy monolithic software to microservices for ease of maintenance, upgrades, and customization with no downtime. Streamline the rollout of new features or updates by building continuous integration/delivery pipelines.
Back-end development for web apps
Use our back-end development services to build scalable, fault-tolerant web applications that sustain high loads of million users.
Back-end modernization
The back-end application development experts at Altoros can improve performance and scalability on existing technology stack or migrate to a modern one. After analyzing the architecture and business processes, we also help you to identify bottlenecks, prioritize improvements, and implement them.
Custom API development and integration
As a development company with back-end expertise, we engineer secure APIs to deliver uninterrupted communication across system components or with third-party services.
Get access to a pool of talented back-end software development experts

Technology expertise

Back End
Front End
Data Engineering
Cloud Native Development

Our competences in back-end technologies

We know everything about coding. Altoros provides back-end development services using a range of technologies. Contact us to learn more.

.NET development
Augment your team with back-end application development experts to accelerate time-to-market and build robust, platform-independent apps with reusable components.
C# development
Our team of C# developers will assist you in implementing performant, scalable, and interoperable solutions.
Java development
Use Java to develop high-load, distributed, secure, and fault-tolerant software.
Node.js development
Hire Node.js experts proficient in 25+ JavaScript frameworks to develop lightweight and robust applications of any scale.
Ruby-on-Rails development
Take advantage of the experience our development company gained across 350+ projects in multiple industries to build secure, engaging, and performant Ruby-on-Rails apps.

Dedicated back-end developers


Back-end developers






New developers hired every month

7+ Years
Years of experience for each team member on average
92% Employees
Employees with a bachelor’s, master’s, or doctor’s degree in computer science or math




Why choose our back-end development services?

Since 2001, Altoros has been helping businesses across the world to digitize revenue streams and improve customer experience.

Our back-end app development company provides dedicated teams of middle- and senior-level software engineers with 7+ years of experience.

50+ Fortune 500/Global 2000 companies trust Altoros to deliver high quality software development services.

No matter where your business is located, we ensure a minimum five-hour overlap with your team when delivering back-end development services. Headquartered in Pleasanton, Altoros has 7 offices across the USA, Argentina, Norway, Finland, Ireland, Poland, and Moldova.

As an experienced back-end development company, Altoros strictly adheres to the general and industry-specific technical standards and government regulations, including the General Data Protection Regulation, the Federal Information Security Management Act, as well as Health Insurance Portability and Accountability Act.

Our development services allow you to quickly scale the team up or down depending on your project's status, requirements, and budget.

Related cases

The team at Altoros has successfully implemented 1,400+ projects across multiple industries. In our portfolio, you can find examples of customer success stories. Feel free to reach out to us for more details about our work as a back-end app development company.

Seeking a solution like this?
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Alex Tsimashenka
Business Development Director
+1 (650) 419-3379