Full Stack Development Services by Alpha Expansion
Software Engineering01End-to-end product builds02Typed API contracts03Cloud deployment pipelinesBook a call

Full Stack Development Services

ONE TEAM,EVERYLAYER

We provide one engineering team for the whole product, from React interface to API, database and cloud deployment, for companies that want a single owner for how the parts fit together.

End-to-end product buildsTyped API contractsCloud deployment pipelines

Software EngineeringWhat we build

01End-to-end product builds
02Typed API contracts
03Cloud deployment pipelines
01Our Approach

We share types, tests and one pipeline across frontend, backend and infrastructure, so a change in the schema is caught before it reaches users.

02Overview

One team from the database to the interface

  • 01End-to-end product builds
  • 02Typed API contracts
  • 03Cloud deployment pipelines

Full stack development means the same team builds every layer, including the React or Next.js interface, the Node.js or Python services behind it, the PostgreSQL schema, and the infrastructure and pipelines that run it all. Because nobody hands work over a wall, a feature is designed once, as a slice through every layer, with shared TypeScript types keeping the interface and the API in step.

Choose it when you would otherwise coordinate separate frontend, backend and DevOps suppliers, or when a feature keeps stalling at the boundary between your teams. You can hand us a whole product or a single feature that crosses layers. We plan in vertical slices, define the API contract first, and release each slice to a staging environment that mirrors production.

Talk to us about your project
03What We Do

Capabilities, End to End

01
Frontend engineering

Interfaces in React and Next.js, built from a shared component library, with typed data access generated from the API so the client cannot drift from the server.

02
Backend services

APIs in Node.js with NestJS or Python with FastAPI, covering business rules, background jobs, queues and scheduled tasks, each with validation, logging and automated tests.

03
Data modeling

Schemas, indexes and migrations are designed around how the product reads and writes, with PostgreSQL as the default and MongoDB or Redis where the access pattern calls for them.

04
API contracts

The contract is written first as an OpenAPI or GraphQL schema, then used to generate types, mocks and documentation, letting interface and server work proceed in parallel.

05
Cloud and pipelines

Infrastructure on AWS, Google Cloud or Azure is defined as code, with containers, preview environments and a pipeline that tests, builds and deploys every merged change.

06
End-to-end performance

With every layer in view we can trace a slow screen to its cause, whether that is a missing index, a chatty API or an oversized bundle.

04In Production

What It Looks Like When It Ships

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Acme Inc.
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End-to-end product builds
Typed API contracts
Cloud deployment pipelines
Shared typesPreview environmentsTraced requestsSingle pipeline
05What You Receive

Handed Over, Ready to Run

SCROLL
01
Frontend, backend and infrastructure code
02
Shared types and API schema
03
Database schema with migration history
04
Unit, integration and browser tests
05
Infrastructure as code definitions
06
Deployment pipeline and preview environments
07
Monitoring, logging and alert setup
08
Architecture decision records and handbook
06How It Runs

From Kickoff to Launch

01
Architecture
02
Walking skeleton
03
Vertical slices
04
Release and operate
01
Architecture

We review requirements and any existing systems, choose the stack with your team, draw the data model and service boundaries, and record each significant decision with the reasoning behind it.

02
Walking skeleton

First we ship a thin path through every layer, one screen, one endpoint, one table, deployed by the pipeline, which proves the architecture before real features depend on it.

03
Vertical slices

Each feature is built across interface, API and database by the same engineers and merged only when its tests pass, so staging holds a working, demonstrable product throughout the build.

04
Release and operate

We load test, review security, set up dashboards and alerts, release to production, and document how to deploy, roll back and diagnose issues so your team can run it independently.

07Technology

The Stack We Use

FrontendReactNext.jsTypeScriptTanStack QueryDataPostgreSQLMongoDBRedisPrismaDrizzle ORMFrontendReactNext.jsTypeScriptTanStack QueryDataPostgreSQLMongoDBRedisPrismaDrizzle ORM
BackendNode.jsPythonNestJSFastAPIGraphQLCloudAWSGoogle CloudDockerKubernetesTerraformBackendNode.jsPythonNestJSFastAPIGraphQLCloudAWSGoogle CloudDockerKubernetesTerraform
08Who It Is For

Built for Teams Like Yours

FLAGSHIP
You want one team accountable for the whole product

You are starting a product, replacing a patchwork of systems or adding a feature that touches every layer, and you do not want to referee between a frontend agency, a backend contractor and a hosting provider when something breaks.

Greenfield product builds
Platform modernization projects
Features spanning every layer
Extra capacity for in-house teams
Consolidating several contractor codebases
Prototypes rebuilt for production
09Questions

What buyers ask before they start

If yours is not here, ask us directly. The first conversation is free and useful whether or not we work together.

Book a call

Delays in multi-vendor projects tend to come from the seams, where an API does not match what the interface expected and each side waits for the other. One team removes that negotiation. The same engineers design the contract, build both sides and fix issues wherever they sit. Separate specialists still make sense when one layer is unusually deep, such as heavy data engineering, and we will tell you if so.

We default to Node.js with TypeScript when the product is mostly an API serving a React interface, because one language and shared types across the stack reduce mistakes and make hiring simpler. We choose Python when the backend does data processing, machine learning or scientific work, where its libraries are stronger. Many systems use both, with a TypeScript API and Python workers behind a queue.

Yes. We join your repositories, branching model, code review rules and planning rituals instead of imposing ours. Typically we own a defined area, a feature, a service or a milestone, so responsibility is clear, while your developers review our pull requests and we review theirs. Decisions are written down in the repository, which means knowledge stays with your team after the engagement ends.

The API contract is the single source of truth. We define it as an OpenAPI or GraphQL schema, or use tRPC in an all-TypeScript codebase, and generate the client types from it. If a field is renamed on the server, the interface fails to compile until it is updated. Contract tests in the pipeline catch the same class of error for any external consumers of the API.

Yes, operations are part of the same engagement. We set up cloud accounts under your ownership, define the infrastructure with Terraform, containerize the services and build a pipeline that tests and deploys each change. Logging, metrics, error tracking and alerts are configured before launch. Afterward we can keep operating the system with you, or hand it to your team with runbooks and a walkthrough.

10Related services

Often built together

ReadytoBuildSomethingExceptional?

Every engagement starts with a scoping conversation. It is free, structured, and useful whether or not we work together.

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Premium digital product and engineering studio. We build high-performance web platforms, SaaS applications, mobile apps, and 3D experiences for high-growth companies.

Alpha Expansion is a premium digital product and engineering studio specializing in React development, Next.js development, full-stack development, mobile app development, UI/UX design, and 3D interactive experiences.

We serve industries including SaaS, FinTech, Healthcare, E-commerce, Logistics, and Real Estate.