Engineering Excellence Since 2016

Building Scalable
Digital Solutions

We architect and engineer sophisticated software systems — from ambitious SaaS products to mission-critical enterprise platforms — that power the world's most demanding companies.

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150

Projects Delivered

Senior Engineers

Years Operating

Client Retention

Trusted by engineering teams at

ClearPayMedLensFleetOSCartablePortwayMosaicVertexoPathfindLuminaryNordexCapsuleSyncroClearPayMedLensFleetOSCartablePortwayMosaicVertexoPathfindLuminaryNordexCapsuleSyncro

Our Services

What we
build for you

Deep expertise across the full software stack â€” from product to infrastructure.

All Services

Software Development

End-to-end product engineering from concept to production

web app developmentcustom softwaresaas development

Mobile Development

Native and cross-platform mobile applications

android developmentios developmentcross platform

Backend Development

Robust server-side systems and APIs

nodejs developmentphp laravelmicroservices

Cloud & DevOps

Modern infrastructure and deployment automation

aws architecturecicd pipelinesdocker kubernetes

Data Engineering

Data pipelines, warehousing, and analytics

database designdata pipelinesdata warehousing

AI & ML Solutions

Intelligent systems and machine learning

machine learningai chatbotspredictive analytics

Cybersecurity

Enterprise-grade security for your systems

security auditspenetration testingapi security

Testing & QA

Comprehensive quality assurance

automation testingperformance testingload testing

Advanced Architecture

Event-driven and distributed system design

event drivenserverlessreal time apps

Why KStar Capitals

The engineering partner
you actually want

We're not an outsourcing shop. We're senior engineers who happen to work with multiple clients.

No junior engineers on your project

Transparent sprint-by-sprint billing

Full IP ownership from day one

Post-launch maintenance & monitoring

On-call support when you need it

Architecture reviews included

Learn about our team

Senior Engineers Only

Every engineer on your project has 5+ years of production experience. No juniors, no offshore churn.

Security by Design

Threat modeling, dependency scanning, and SAST integrated from day one â€” not bolted on after.

Modern Tech Stack

We stay at the frontier. Next.js, Rust, Kafka, Kubernetes â€” the right tool for the right problem.

Scalable Infrastructure

Built to handle 10x growth without a rewrite. Caching, database optimization, and horizontal scaling baked in.

How We Work

Our process

A repeatable, battle-tested process that gets predictable results.

Discovery

Deep dive into your problem, constraints, and success metrics.

Architecture

System design, tech stack selection, and risk assessment.

Engineering

Two-week sprints with daily standups and weekly live demos.

Testing

Unit, integration, E2E, and load testing before every release.

Deployment

Zero-downtime deploy with full observability from day one.

Growth

Ongoing monitoring, optimization, and feature development.

Tech Stack

Tools of our trade

We choose the best tool for the job, not the most comfortable one.

ReactFrontend

Next.jsFrontend

TypeScriptLanguage

Node.jsBackend

PythonBackend

GoBackend

PostgreSQLDatabase

RedisCache

KafkaMessaging

KubernetesInfrastructure

AWSCloud

TerraformIaC

DockerDevOps

GraphQLAPI

PyTorchAI/ML

PrismaORM

Portfolio

Work we're
proud of

Complex systems engineered for ambitious companies.

All Projects

SaaS Development

ClearPay — FinTech Payments Platform

End-to-end payment processing platform handling $2B+ in annual transaction volume with real-time fraud detection and multi-currency support.

Next.jsNode.jsPostgreSQLKafka

FleetOS — Logistics Management

Real-time fleet tracking and route optimization system for 50,000+ vehicles across 30 countries, reducing fuel costs by 23%.

ReactPythonPostgreSQLKafka

MedLens — AI Health Analytics

Machine learning platform for clinical decision support, processing 1M+ medical records daily with 94% diagnostic accuracy.

PythonPyTorchFastAPIPostgreSQL

Client Stories

What our clients say

“KStar Capitals architected a system that handles millions of events per day with zero major incidents in 18 months. Their engineering discipline is unmatched.”

Jordan Lee

CTO at ClearPay

“The team delivered a best-in-class ML pipeline in 3 months. They didn't just write code — they challenged our assumptions and made the product better.”

Aisha Patel

Head of Product, MedLens

“After working with three other agencies, KStar Capitals was the first team that felt like actual senior engineers. The code quality and documentation are exceptional.”

Chris Morgan

VP Engineering, Cartable

“They rebuilt our legacy monolith into a microservices architecture without a single minute of downtime. I still don't know how they pulled that off.”

Yuki Tanaka

Engineering Director, FleetOS

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