BACKEND DEVELOPMENT SERVICES
Build Custom
Backend Solutions
with Trusted Experts.
Our backend developers build infrastructure that scales under pressure and stays reliable as your product grows. We've shipped complex production systems for companies like BitForge and TracePilot. Onboard senior backend engineers in 2 weeks.
AI CODING TOOLS WE USE
Get expert help for your Backend project.
ENDORSED BY ENGINEERS. TRUSTED BY CTOS.
BACKEND DEVELOPMENT SERVICES
No matter what you're building, we can help.
Backend infrastructure determines how fast you ship features, how reliably systems scale, and how quickly teams adapt to changing requirements. Companies turn to our backend experts to deliver that infrastructure, from initial architecture through cloud deployment and production optimization.
BACKEND CASE STUDIES
Hundreds of backend development projects delivered.
We have the experience to build backend systems that handle scale, complexity, and business-critical operations. It's why most clients choose us as their backend development company.
Scaled Cloud-Based Financial Streaming Architecture
Backend Bidding Engine for 100K Ad Auctions/Sec
Legacy CMS Migration to Modern .NET Architecture
Looking for a team with this kind of
track record?
Tell us more about your Backend needs.
Deployra partnered with us to build a scalable backend powering automated cloud deployments.
Deployra needed a scalable backend to automate application deployments across multiple cloud providers while maintaining reliability as usage grew. The platform's architecture required modernization to support deployment orchestration, domain management, real-time build monitoring, and secure integrations with third-party services. Our backend, frontend, and DevOps engineers collaborated to build a cloud-native platform that streamlined deployments, reduced operational complexity, and delivered a seamless developer experience.
Get expert help for your Backend project.
Their engineers perform at very high standards. We've had a strong relationship for almost 3 years."
The best partnerships are the ones you don't have to worry about. We deliver the kind of technical execution and reliability that builds long-term trust. It's why clients consistently praise our work quality and performance.
Why work with Agency?
We’re trusted by the world’s leading tech teams.
Agency is a global company powered by top-tier engineering talent. Since our inception, we’ve built software for companies of all sizes—from scrappy startups to Fortune giants. In fact, we're one of the fastest-growing software development companies in the world. If you’re looking for onshore quality with nearshore benefits, we’re the partner for you.
Delivered
On Staff
Rate
Clients
HOW WE WORK
Built for performance and predictable delivery.
Yes, you can build software without constant trade-offs. Here’s how we make it happen:
We strictly hire the top 1% of applicants, ensuring elite technical execution.
We provide engineers who have already proven their capability to deliver complex systems. Our rigorous evaluation process includes multi-stage technical assessments, architectural system design interviews, and advanced problem-solving simulations. Out of thousands of yearly applicants, only the elite top 1% join our teams.
We strictly hire the top 1% of applicants, ensuring elite technical execution.
We provide engineers who have already proven their capability to deliver complex systems. Our rigorous evaluation process includes multi-stage technical assessments, architectural system design interviews, and advanced problem-solving simulations. Out of thousands of yearly applicants, only the elite top 1% join our teams.
FLEXIBLE ENGAGEMENT MODELS
Need extra Backend expertise?
Plug us in where you need us most.
We customize every engagement to fit your workflow, priorities, and delivery needs.
STAFF AUGMENTATION
Extend Your Engineering Team with Senior Talent
Quickly scale your development capacity with experienced software engineers who integrate seamlessly into your existing team. They work within your processes, collaborate in your daily ceremonies, and deliver production-ready code from day one.
DEDICATED TEAMS
Need a dedicated team to deliver products faster?
Build a cross-functional engineering team tailored to your product goals. We assemble developers, designers, QA engineers, and project managers who take ownership of delivery, collaborate closely with your stakeholders, and drive projects from planning through production.
SOFTWARE OUTSOURCING
Need an experienced team to own your entire project?
Entrust your complete software development lifecycle to our experienced engineering teams. From discovery and architecture to development, testing, deployment, and ongoing support, we take full ownership while keeping you informed through every milestone.
Extend Your Engineering Team with Senior Talent
STAFF AUGMENTATION
Quickly scale your development capacity with experienced software engineers who integrate seamlessly into your existing team. They work within your processes, collaborate in your daily ceremonies, and deliver production-ready code from day one.
Need a dedicated team to deliver products faster?
DEDICATED TEAMS
Build a cross-functional engineering team tailored to your product goals. We assemble developers, designers, QA engineers, and project managers who take ownership of delivery, collaborate closely with your stakeholders, and drive projects from planning through production.
Need an experienced team to own your entire project?
SOFTWARE OUTSOURCING
Entrust your complete software development lifecycle to our experienced engineering teams. From discovery and architecture to development, testing, deployment, and ongoing support, we take full ownership while keeping you informed through every milestone.
Kick off Backend projects in 2 - 4 weeks.
We have reps
across the US.
Speak with a client engagement specialist near you.
Discuss solutions and decide team structure.
Tell us more about your needs. We'll discuss the best-fit solutions and team structure based on your success metrics, timeline, budget, and required skill sets.
Onboard your team and get to work.
With project specifications finalized, we select your team. We're able to onboard developers and assemble dedicated teams in 2-4 weeks after signature.
We track performance on an ongoing basis.
We continually monitor our teams' work to make sure they're meeting your quantity and quality of work standards at all times.
BACKEND SOLUTIONS
Build with backend engineers who have
experience in your industry.
We've delivered projects across 130+ industry sectors. You won't have to spend weeks getting us up to speed. Our engineers come in with a clear understanding of your industry's data complexity, compliance requirements, and unique needs.
Build intelligent backend systems that power AI applications, orchestrate LLM workflows, process massive datasets, and serve real-time predictions with enterprise-grade reliability.
Build solutions for:
AI & Machine Learning
Build intelligent backend systems that power AI applications, orchestrate LLM workflows, process massive datasets, and serve real-time predictions with enterprise-grade reliability.
BUILD SOLUTIONS FOR:
AI EXPERTS
Work with AI-augmented developers.
Every developer we provide uses modern AI coding tools to ship faster than ever while
producing cleaner, more consistent code.
BACKEND DEVELOPMENT CAPABILITIES
We cover the backend stack (and everything around it).
As a top backend development company, we use a modern tech stack built for performance and scale, with a focus on proven tools. Our expertise spans 100+ technologies, so we're equipped to support your full roadmap: backend development and beyond.
We engineer ultra-low latency microservices and modular monoliths utilizing languages strictly optimized for extreme concurrency, rigorous type safety, and massive horizontal scaling. We align the core tech stack precisely to your domain-specific computational requirements to guarantee bulletproof maintainability.
Go
Rust
Node.js
Python
Java
Elixir
.NET CoreWe architect deeply federated API ecosystems adopting RESTful, native GraphQL, and highly-performant gRPC protocols. Our enterprise API gateway implementations enforce granular rate-limiting, rigorous Zero-Trust authentication, and frictionless automated schema versioning for uncompromised reliability.
Kong
Swagger/OpenAPI
AWS API Gateway
ApigeeProcess billions of highly concurrent events in real-time leveraging fully decoupled, distributed streaming architectures. We engineer advanced asynchronous data pipelines engineered to guarantee strict sub-millisecond latency, robust fault tolerance, and mathematically verifiable zero data loss.
Apache Kafka
RabbitMQ
Amazon SQS
Amazon Kinesis
Google Pub/Sub
Apache PulsarWe engineer ultra-low latency microservices and modular monoliths utilizing languages strictly optimized for extreme concurrency, rigorous type safety, and massive horizontal scaling. We align the core tech stack precisely to your domain-specific computational requirements to guarantee bulletproof maintainability.
GoRustNode.jsPythonJavaElixir.NET Core
BACKEND DEVELOPMENT PROCESS
How we deliver backend solutions that drive business value:
We've refined our backend development services across hundreds of projects. Whether you need end-to-end execution or support for an internal team, we step in wherever you need us to move projects forward without friction.
CLIENT TESTIMONIALS
Get Backend results you can stand behind.
Our work holds up in reviews, in production, and in front of the board.
Digital Commerce
Developed BitForge's Modern Digital Commerce Platform
"Finding engineers who could quickly understand our product vision and execute at a high level was our biggest challenge. Agency consistently provided outstanding developers who became trusted contributors, helping us build BitForge into a reliable and scalable digital marketplace."
Digital Commerce
Developed BitForge's Modern Digital Commerce Platform
BitForge was created to provide a secure digital marketplace for buying and selling software products, digital assets, and downloadable content. Our engineers developed a scalable full-stack platform featuring secure authentication, role-based access control, payment processing, cloud storage integration, and an optimized user experience that supports reliable transactions and future platform growth.
HEALTHCARE
Healthcare & MedTech
"What stands out most about Agency is the quality of its people. They consistently provide talented, experienced developers who quickly become trusted members of our team, helping us deliver reliable software on time and at a high standard."
Networking
Developed new Communication Platform
"Agency helped us transform an ambitious idea into a successful product. Their ability to rapidly source experienced developers and seamlessly integrate them into our team allowed us to accelerate development without compromising on quality."
Networking
Developed new Communication Platform
A growing business needed a modern communication platform to connect teams and customers more efficiently. Our engineers designed scalable backend services, built real-time messaging capabilities, integrated secure APIs, and optimized the user experience to support rapid growth, high availability, and seamless collaboration.
Platform as a Service(Paas)
Scaled and Maintained Deployra's AWS Infrastructure
"Agency has been an outstanding technology partner throughout our growth. Their engineers consistently delivered high-quality solutions, adapted quickly to evolving requirements, and helped us build a reliable deployment platform we're confident will scale with our business for years to come."
Join 50+ companies who count on our Backend developers
BACKEND FAQ
What tech leaders ask about our backend development services:
We typically spin up backend development teams in 2-4 weeks. Ramp-up time depends on the complexity of your stack, codebase, and documentation, but our senior engineers are used to onboarding quickly and delivering value fast.
We exclusively provide senior-level backend developers and software architects with extensive experience in scalable enterprise systems. Our rigorous vetting process ensures you work with engineers who excel in their respective technology stacks.
Yes. Our engineers overlap with your core business hours, allowing them to seamlessly integrate into your Agile workflows, participate in daily standups, and collaborate natively within your communication channels.
Absolutely. We have extensive experience building compliant backend systems for healthcare, finance, and other regulated sectors. We strictly adhere to SOC 2, HIPAA, PCI-DSS, and GDPR standards, implementing robust data governance and security.
Yes, we design unified backend architectures and APIs that seamlessly power both web and mobile applications, ensuring data consistency and optimized payload delivery across all client platforms.
We start with a thorough architecture discovery phase to understand your specific business requirements. We then leverage domain-driven design and scalable microservices or well-structured monoliths to model and execute complex business logic flawlessly.
Yes, seamless integration is a core part of our offering. We excel at modernizing legacy codebases, migrating to the cloud, or bolting new microservices onto your existing infrastructure without disrupting active operations.
We design for scale from day one by employing stateless architectures, database sharding, caching layers (like Redis), and deploying on auto-scaling cloud infrastructure (AWS, GCP, Azure) to handle unpredictable traffic spikes efficiently.
Security is built into our CI/CD pipelines. We implement strict identity and access management (IAM), data encryption at rest and in transit, continuous vulnerability scanning, and routine penetration testing to safeguard your data.
We treat database migrations as code. Using tools like Flyway or Liquibase, we run automated, version-controlled schema migrations that are integrated into our deployment pipelines, ensuring zero-downtime updates and safe rollbacks.
