Nearly two decades of back end development services across fintech, healthcare, e-commerce, and enterprise SaaS. This depth reduces risk in backend modernization, third party integrations, and optimization.
Backend Development Services
Andersen delivers backend development services that stabilize legacy systems, accelerate slow APIs, and remove scaling bottlenecks. Clients gain 99.9% availability, faster releases, and lower infrastructure costs. Unlike Backend-as-a-Service platforms, custom backend development services deliver architecture owned by the client, not a rented runtime.
Our backend development company's expertise by the numbers
From MVP backends to enterprise-scale platforms handling millions of transactions. Each engagement strengthens data flows, data integrity, and seamless integration with existing backend infrastructure.
Verified client ratings reflect consistent delivery, transparent communication, and measurable outcomes. This score signals trust in backend engineers who combine cutting edge technologies with disciplined practices.
Backend development services we offer
Custom backend development services that stabilize legacy systems, accelerate slow APIs, and remove scaling bottlenecks across web and mobile projects. Each engagement delivers architecture owned by the client, not a rented runtime
Custom backend development serves product teams that need server side logic tailored to their business rules, not generic templates. This approach fits complex domains where data processing, user authentication, and third party services must work together without compromising data protection.
Business results include:
- Custom server development aligned with business logic;
- Scalable backend architectures ready for future growth;
- Efficient data processing across distributed systems.
Backend architecture design serves CTOs and engineering leaders who need blueprints for scalable, secure, and maintainable backend systems. This fits greenfield products or major replatforming initiatives where early decisions determine long-term velocity and cost.
Architecture engagement produces:
- Backend architectures with clear data flows;
- Technology stack aligned with team skills;
- Security patterns embedded from day one.
Web application backend development supports SaaS products, marketplaces, and enterprise portals where the backend handles data storage, session state, and server side components across web and mobile applications. This service addresses scenarios where web and mobile applications share backend systems and need consistent data exchange.
Teams gain:
- Backend web development services with API contracts;
- Load balancing for peak traffic;
- Version control for collaborative development.
Mobile app backend development serves teams building native or cross-platform mobile solutions that depend on fast, secure server side operations. This fits mobile applications requiring real-time sync, offline-first data flows, and user authentication across devices.
Your mobile product receives:
- Mobile app backend development with sub-second API response times;
- Push notification infrastructure and real-time messaging;
- Secure data storage and customer data protection.
API development and integration connects existing backend infrastructure with payment gateways, CRM/ERP systems, or cloud ecosystems. This backend api development enables secure data exchange and interoperability between internal systems and third party integrations.
Integration capabilities cover:
- REST, GraphQL, WebSocket APIs for scale;
- Backend api development with observability;
- Third party integrations with error handling.
Cloud backend development serves teams migrating from on-premise servers or building cloud-native systems on your chosen cloud service provider, including AWS, Microsoft Azure, or Google Cloud. This fits scenarios where elastic computing capacity, automated scaling, and cloud infrastructure management reduce operational overhead.
Infrastructure deliverables:
- Cloud services with infrastructure-as-code;
- Server management via CI CD;
- Cloud platforms for high availability.
Backend modernization and refactoring serves organizations stuck on legacy stacks that slow releases and increase maintenance costs. This service addresses technical debt, outdated dependencies, and monolithic backend components that block business growth.
Modernization outcomes:
- Backend modernization cuts deployment time 50%;
- Refactored components with better test coverage;
- Migration to microservices architectures.
Backend testing and quality assurance serves teams that need confidence in server side logic before production releases. This service covers unit, integration, performance, and security testing to catch defects early and maintain data protection standards.
QA coverage ensures:
- Backend testing with 80%+ coverage;
- Automated regression tests in CI CD;
- Performance benchmarks under load.
Backend consulting serves leadership teams evaluating technology choices, vendor options, or migration strategies. This fits scenarios where an independent expert review reduces risk before committing to a software development partner or major investment.
Consulting engagement provides:
- Technology stack assessments with analysis;
- Roadmaps for modernization or migration;
- Vendor evaluations on security, cost.
Certifications and partnerships
Backend development success stories
Andersen's backend engineers build production-grade systems around defined business problems, appropriate technology stacks, and measurable operational outcomes. These projects demonstrate how custom backend solutions improve performance, reduce costs, and enable business growth across industries.
France
Car rental digital platform
For Europcar, Andersen built a serverless car rental platform combining a web CRM, mobile applications, and AWS-based microservices. The solution provides access to more than 190,000 vehicles across 13,000 rental stations worldwide, supports car booking and Bluetooth-based vehicle access, and was later acquired as a white-label solution.
Backend development solutions we build
Backend technologies we use
Our teams combine deep technical expertise with cutting edge technologies across languages, frameworks, data storage, and cloud infrastructure. Each technology choice supports business logic, data integrity, and future growth without locking you into a single vendor.
Languages and frameworks | Databases and data storage |
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Cloud platforms | DevOps and CI/CD |
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Key benefits of backend development services
Well-engineered backend systems deliver scalability, security, and performance that directly impact revenue and customer experience. The benefits below show how custom backend solutions reduce costs, accelerate releases, and support business growth without technical debt.
Faster time to market
Pre-built backend components, CI CD automation, and cloud infrastructure templates accelerate development cycles by 30–50%. Teams ship features faster without sacrificing quality assurance or security standards.
Scalability under peak load
Scalable backend architectures handle traffic spikes without degradation through load balancing, horizontal scaling, and caching strategies. Clients report 99.9% availability during peak events and 40% lower infrastructure costs through elastic computing capacity optimization.
High performance and reliability
Performance optimization through database query tuning, connection pooling, and asynchronous processing reduces API latency by 50% or more. Monitoring and alerting catch issues before they impact users, maintaining sub-second response times under load.
Security and compliance by design
Security patterns embedded from day one include encryption at rest and in transit, OWASP practices, and role-based access control. ISO/IEC 27001 and AICPA SOC 2 certifications validate data protection and audit-ready processes for regulated industries.
Lower maintenance costs
Refactored backend components, automated testing, and infrastructure-as-code reduce manual server management and deployment errors. Clients report 25–40% lower maintenance costs within the first year after backend modernization.
What our clients say
Andersen's backend engineers deliver measurable improvements in performance, security, and operational efficiency across diverse industries. Client testimonials reflect consistent delivery, transparent communication, and business outcomes that exceed expectations.
Why choose Andersen as your backend development company
Full-cycle backend expertise
From discovery to post-launch support, Andersen covers the entire software development life cycle for backend systems. 3,500+ in-house engineers and 2,000+ delivered projects provide depth across backend architectures, cloud platforms, and third party integrations.
Experienced backend developers
Senior backend developers average 8+ years of experience with Python, Java, Node.js, .NET, and cloud-native architectures. This expertise reduces risk in backend modernization, performance optimization, and complex third party integrations.
Architecture-first approach
Every engagement starts with architecture reviews, data flow mapping, and technology stack recommendations aligned with business goals. This prevents costly rework and ensures backend systems support future growth without major refactoring.
Our backend development process
Each phase of the backend development process produces concrete artifacts—from requirements briefs to architecture diagrams to automated deployment pipelines. Clients gain visibility into progress, quality gates, and decision points that determine long-term maintainability and cost.
An Andersen expert clarifies business objectives, user stories, integration points, and non-functional requirements. The output is a documented requirements brief that defines scope, priorities, and success metrics for the backend development process.
Insights
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FAQ
Backend development services — often shortened to backend services — are professional engagements that design, build, and maintain server side logic, databases, and APIs for web and mobile applications. Unlike Backend-as-a-Service subscriptions, custom backend development services deliver architecture owned by the client, not a rented runtime.
- Server side logic implementing business rules;
- Data storage and data management systems;
- API development for frontend and third party integrations;
- Security, monitoring, and performance optimization.
Reach out to Andersen's backend development team
What happens next?
An expert contacts you after having analyzed your requirements;
If needed, we sign an NDA to ensure the highest privacy level;
We submit a comprehensive project proposal with estimates, timelines, CVs, etc.
Customers who trust us
