Fintech Platform
Orbit Finance
Re-platformed a legacy trading desk into a real-time, event-driven cloud architecture.
Next.jsGoKafkaAWS
42× faster trade execution
Case study~$ software · cloud · ai
Build what others only imagine.
We design, engineer and ship high-performance digital products — from pixel-perfect interfaces to petabyte-scale platforms.
180+
Products shipped
24
Countries served
97%
Client retention
60+
Engineers & designers
What we do
Services built for the next decade
Strategy, design and engineering under one roof — the specialist crew your product deserves.
Custom Software Development
Tailored web and backend systems engineered for scale, reliability and maintainability.
- TypeScript · Go · Rust
- Event-driven architectures
- API-first design
Digital Product Design
End-to-end product experiences — from discovery workshops to polished, production-ready UI.
- UX research
- Design systems
- Interactive prototypes
Cloud & DevOps
AWS, GCP and Azure architectures with infrastructure-as-code, CI/CD and observability built in.
- Kubernetes
- Terraform
- Zero-downtime deploys
AI & Machine Learning
Production-grade LLM integrations, RAG pipelines and custom models that move the needle.
- LLM orchestration
- Vector search
- MLOps
Mobile Engineering
Native iOS, Android and cross-platform apps engineered for speed and delight.
- Swift · Kotlin
- React Native
- Expo
Platform & Security
SOC 2–ready platforms, threat modeling and security baked into every layer.
- Zero-trust
- SAST / DAST
- Compliance
How we work
A process that removes guesswork
Five stages, full transparency. You always know where your product is — and where it's heading next.
01
Discover
We dig into your goals, users and constraints to shape a bold, pragmatic plan.
02
Design
Rapid prototyping and design systems that translate strategy into clickable reality.
03
Engineer
Cross-functional squads ship in weekly increments with the highest engineering standards.
04
Launch
We go live with confidence — observability, automation and a smooth hand-off.
05
Evolve
Continuous iteration, measurement and product evolution, alongside your team.
Recent work
Engineered to ship, built to last
A glimpse at some of the products we've helped conceive, build and scale.
Digital Product
Luma Health
Built an HIPAA-compliant telehealth suite with native iOS and Android apps used by 1M+ patients.
React NativeNode.jsPostgresTerraform
1M+ active patients
Case studyAI & Cloud
Atlas Logistics
Designed an AI-powered routing engine saving the fleet millions in operational costs annually.
PythonPyTorchGCPKubernetes
$8.4M/yr saved
Case studyOur stack
Modern, proven, and battle-tested
We pick the right tool for the job — always pragmatic, never trendy for trendy's sake.
What clients say
Trusted by teams that ship
“JESX replaced three vendors and shipped in half the time. They simply operate on another level.”
Sarah Chen
VP of Engineering · Orbit Finance
“Their team blends product thinking and hard engineering like no agency I’ve worked with before.”
Marcus Rivera
Chief Product Officer · Luma Health
“From discovery to launch, every milestone was ahead of schedule and exceeded expectations.”
Priya Anand
Founder & CEO · Atlas Logistics
Let's build something
Have a bold idea?
Tell us about it. We respond within one business day — no sales funnels, just engineers.