SERVICES

Backend Development Services That Scale and Stay Up

We design and build scalable, secure backend systems and APIs in Java/Spring Boot and Node.js. It's the work we do most, and the founder is on every project.

Discuss your project

Your backend is where your product either holds together under load or quietly falls apart. We build the part users never see but always feel: the APIs, data models, authentication, and services that have to be fast, correct, and available even when traffic spikes. This is our core discipline, not a side offering.

We work primarily in Java/Spring Boot and Node.js, the two ecosystems we know well enough to choose between honestly for your use case. Every engagement is led by founder Gopal Sabhadiya (Toptal top-3%, Expert-Vetted on Upwork, ex-Infosys Specialist Programmer) with a team of 10, so the architectural decisions are made by people who have shipped systems like yours before.

Java/Spring Boot and Node.js depth

We build production backends in both stacks and recommend the right one for your workload instead of defaulting to whatever we happen to like.

Scale that is proven, not promised

We built a horizontally scalable Spring Boot + Spring Security authentication microservice for USP.org (United States Pharmacopeia) serving 500K+ users.

Secure by default

JWT authentication, Spring Security, rate limiting, input validation, and least-privilege data access are part of the build, not a later add-on.

Clean, versioned REST APIs

We design RESTful APIs with sensible resource modeling, API versioning, and clear contracts your frontend and partners can build against with confidence.

Microservices when they earn their keep

We use microservices, API gateways, and circuit breakers where they reduce risk, and a well-built monolith where that is genuinely the better call.

Founder-led, worldwide

Based in Surat, India, serving clients worldwide in English, billed in USD, with 4+ hours of overlap with any timezone and a 100% client-satisfaction record.

How we build scalable, secure backends

Scalability and security are design decisions, not features you bolt on at the end. We start with the data: a database schema (typically PostgreSQL) modeled around how your application actually reads and writes, because most performance problems are really data-design problems. From there we build stateless services that scale horizontally behind a load balancer, add caching to cut database pressure, and use non-blocking I/O where high concurrency demands it.

For resilience we apply patterns that keep one failure from becoming an outage: circuit breakers to isolate failing dependencies, rate limiting to absorb abuse and traffic spikes, and health checks that let an orchestrator replace bad instances automatically. The USP.org authentication microservice is a concrete example of this approach, built on Spring Boot and Spring Security to scale horizontally across 500K+ users.

On security we treat authentication and authorization as first-class. We implement JWT authentication and Spring Security, enforce least-privilege access to data, validate every input boundary, and design for safe API versioning so you can evolve endpoints without breaking existing clients.

REST APIs and microservices, designed for your real load

A REST API is the contract between your backend and everything that consumes it: your web app, mobile clients, and third-party integrations. We design APIs that are predictable and well-documented, with consistent resource modeling, pagination, error handling, and versioning so teams can build against them without guesswork. Where it fits, we also support GraphQL and gRPC for the use cases those protocols serve better.

Microservices are a different question. A REST API is an interface style; microservices are an architecture that splits a system into independently deployable services, usually coordinated through an API gateway. They buy you independent scaling and deployment at the cost of operational complexity. We are candid about that trade-off and only recommend microservices when your scale, team structure, or release cadence genuinely calls for them. Bar.Stream, a hospitality automation platform serving 200+ B2B customers, runs on a Java/Spring Boot backend we built to support that growing business.

Cloud-ready and built to run

We ship backends that are straightforward to deploy and operate. Services are containerized with Docker and run well under Kubernetes for orchestration, with horizontal scaling and load balancing handled at the platform layer. We target AWS by default and adapt to your existing cloud and tooling.

Good backends are observable. We build in logging, metrics, and health endpoints so you can watch throughput, latency, and error rates and act before users notice. The goal is high availability and fault tolerance that holds up in production, backed by the kind of monitoring that turns a 2 a.m. incident into a non-event.

Proof

USP.org (United States Pharmacopeia)

Horizontally scalable Spring Boot + Spring Security authentication microservice serving 500K+ users.

Tech we use

JavaSpring BootSpring SecurityNode.jsExpress.jsNestJSREST APIsGraphQLgRPCMicroservicesAPI GatewayJWT AuthenticationPostgreSQLDockerKubernetesAWS

Frequently asked questions

What are backend development services? +

Backend development services cover the server-side of your application: the APIs, business logic, databases, authentication, and infrastructure that power what users interact with. We design and build these systems in Java/Spring Boot and Node.js so your product is fast, secure, and able to handle growth.

Which is better for backend, Spring Boot or Node.js? +

Neither is universally better. Spring Boot, running on the JVM, is a strong fit for complex, transaction-heavy, and enterprise systems where type safety and a mature ecosystem matter. Node.js excels at high-concurrency, I/O-bound workloads and real-time features thanks to its non-blocking I/O. We assess your workload and recommend the right one rather than forcing a default.

What is the difference between REST APIs and microservices? +

A REST API is an interface style for how clients talk to your backend over HTTP. Microservices are an architecture that splits an application into small, independently deployable services, often coordinated through an API gateway. You can have a REST API on a single backend, or many microservices that each expose REST APIs. We use microservices only when their benefits outweigh the added complexity.

How do you build a scalable and secure backend? +

We design stateless services that scale horizontally behind a load balancer, model the database for real access patterns, and add caching, rate limiting, and circuit breakers for resilience. On security we implement JWT authentication, Spring Security, input validation, and least-privilege data access. Our USP.org authentication microservice scales horizontally to 500K+ users using this approach.

How much does it cost to hire a backend developer? +

It depends on scope, complexity, and timeline rather than a fixed rate. We are based in Surat, India, serve clients worldwide, and bill in USD. The most useful next step is a short conversation about your project so we can give you a grounded estimate. [founder to confirm specific rates]