[ BACK TO HOME ]Backend Development

Reliable Systems That Keep Your Business Running

The engine behind your product - built for speed, reliability, and growth. Stop losing customers to slow load times, outages, and systems that break under pressure.

CHALLENGES

System Problems Are Business Problems

When your systems are slow or unreliable, your whole business suffers. You might be experiencing:

Customers leaving because it is slow

Slow page loads, timeouts, and unresponsive features frustrate users. They do not complain - they just leave.

Growing pains

What worked for your first customers breaks as you scale. Fixing it under pressure costs more and risks more.

Connecting systems is painful

Payment providers, partner systems, your own tools - making everything work together reliably is harder than expected.

Security keeps you up at night

One data breach can destroy years of customer trust. Protection needs to be built in from the start, not added later.

WHAT YOU GET

What You Get

Systems built for reliability, speed, and growth - so your team and your customers can count on the product working every time.

Fast, Reliable Connections

Your product talks to the world through well-built interfaces that are fast, secure, and documented for easy collaboration.

Data That Works for You

Your business data is organized and optimized so your product responds quickly and your reports are accurate.

Systems That Grow With You

When parts of your product need to scale independently, I design the split so nothing breaks and growth stays smooth.

Everything Connected Reliably

Payment providers, email services, partner systems - connected to your product with proper error handling so nothing falls through the cracks.

CAPABILITIES

What I Can Help With

Building and improving product interfaces and connections
Making your data layer fast and reliable
Optimizing slow-performing systems
Secure user access and permission systems
Live updates and real-time features
Automating background processes
Making frequently used data load instantly
Smooth system updates without breaking things
Visibility into system health and early warning alerts
Stress-testing your system before your customers do
TECH STACK

Technology Stack

I choose backend technologies based on your specific requirements and team capabilities:

Languages

Node.jsPythonTypeScriptGo

Databases

PostgreSQLMongoDBRedisElasticsearch

Frameworks

ExpressNestJSFastAPIDjango

Tools

DockerKubernetesRabbitMQKafka
CASE STUDY

Recent Project: FinTech Payment Platform

Built the complete system behind a payment processing platform - secure transaction handling, real-time business reporting, and seamless payment integration.

Node.jsPostgreSQLStripeRedis
Launched in 6 weeks[ VIEW CASE STUDY ]
FAQ

Frequently Asked Questions

Can you improve our existing system without rebuilding everything?

Yes. I regularly join existing products to fix performance issues, add capabilities, or resolve bottlenecks. I review what you have and recommend the most impactful improvements - not unnecessary rewrites.

How do you protect our business and customer data?

Security is built into every layer from the start - proper access controls, encrypted data, and protection against common attacks. I follow industry best practices and can help you meet compliance requirements.

How do you make sure the system stays fast as we grow?

I design systems around how your business actually uses data, then optimize for real-world performance. The result is a system that handles 10x growth without slowing down or requiring expensive rework.

How will my team work with the systems you build?

Everything is documented clearly so your team can work independently. New developers can get up to speed quickly, and your frontend team can build features without waiting on backend changes.

Our system is slowing down as we grow - can you help?

Yes. I will give you an honest assessment of the real bottleneck and the most cost-effective fix. Sometimes it is a targeted optimization, sometimes it is restructuring a specific part - I recommend what actually moves the needle.

How do you ensure quality and long-term maintainability?

Automated testing covers all critical business flows, so updates ship confidently without breaking existing functionality. I also help establish quality practices your team can maintain going forward.

GET STARTED

Need Your Systems to Perform Better?

Whether you are building from scratch, fixing slow systems, or preparing for growth - let's talk about what your business needs.

Reliable Systems That Keep Your Business Running | Asaf Arviv