zeltaai

Services

We develop websites and apps that do exactly what you need. We specialize in custom web development services, which means that your solution will be tailored to perfectly fit your business.

Company

Greenice is a Top Rated web development agency established in 2007.

Expertise

Leverage our experience and hands-on knowledge of industry domains and specialized solutions.

Technologies We Use to Build Scalable, Modern Digital Products

Our stack evolves over time, but our principles stay the same: reliability, performance, security, and long-term maintainability . Technology choices are always driven by business goals, product requirements, and expected growth.

Backend & Application Layer

We build robust backend systems using the technology that best fits the product based on architecture, scale, and long-term support.

We work with:

  • Python
  • Node.js, Nest.js
  • PHP (Laravel, Yii)


Our backend solutions focus on clean architecture, secure APIs, and scalability. Whether it’s a data-heavy platform, SaaS product, or internal system, we design backends that are easy to extend and maintain as the product grows.

Frontend & User Interfaces

The frontend is where performance, usability, and perception meet. We build modern, responsive interfaces that feel fast and intuitive across devices.

We work with:

  • React.js, Redux
  • Next.js
  • Vue.js


Our frontend work covers everything from marketing websites to complex dashboards and web applications, with a strong focus on performance, accessibility, and long-term maintainability.

Databases & Data Storage

Different products require different data strategies. We design data layers based on access patterns, performance needs, and consistency requirements.

We work with:

  • MySQL, PostgreSQL
  • MongoDB
  • Redis
  • Supabase, Firebase


From transactional systems to real-time applications, we select databases that support both current needs and future scale.

Search & Data Retrieval

For platforms where search speed and relevance matter, we implement dedicated search engines instead of relying on basic database queries.

We work with:

  • Elasticsearch
  • Algolia
  • Solr
  • Sphinx


These tools enable fast filtering, full-text search, and scalable search experiences for marketplaces, content platforms, and data-driven systems.

Cloud & Hosting Infrastructure

We design cloud infrastructure that supports reliability, scalability, and cost efficiency at every stage of growth.

We work with:

  • AWS
  • Google Cloud Platform
  • DigitalOcean
  • Vercel


From early-stage MVPs to high-traffic platforms, we choose infrastructure that matches the product’s technical and business requirements.

DevOps & Infrastructure Automation

Stable delivery and predictable deployments are essential for modern products. We use DevOps best practices to ensure smooth development and operations.

We work with:

  • Docker
  • Kubernetes
  • Terraform


This allows us to automate infrastructure, scale applications reliably, and reduce operational risks.

Web Servers & Performance Layer

Behind every fast application is a solid server configuration.

We work with:

  • NGINX
  • Apache


We configure web servers with performance, security, and scalability in mind, tailored to each project’s architecture.

Version Control & Development Workflow

We follow structured development workflows that keep projects transparent and maintainable.

We work with:

  • Git
  • GitHub, GitLab
  • Bitbucket
  • GitFlow


Clear version control and branching strategies help teams collaborate efficiently and keep production systems stable.

AI & Intelligent Systems

We design and integrate AI features thoughtfully, focusing on real business value rather than hype.

LLMs:

  • OpenAI
  • Anthropic
  • Gemini
  • LLaMA


AI frameworks & libraries:

  • LangChain
  • RAG (Retrieval-Augmented Generation) pipelines
  • Hugging Face
  • TensorFlow


We build AI-powered features such as assistants, automation tools, recommendation systems, and internal AI workflows, always with attention to data security and reliability.

AI-Assisted Development & Prototyping

AI tools help us move faster, especially in early validation and prototyping phases, while keeping quality under control.

AI tools for development:

  • GitHub Copilot
  • Cursor
  • Windsurf


AI app builders & prototyping tools:

  • Base44
  • V0
  • Lovable
  • Replit


We use these tools to accelerate experiments and early builds, then refine and harden the solution for production.

Design & Product Collaboration

Great products come from strong collaboration between design and engineering.

We work with:

  • Figma
  • Figma AI
  • Canva


This allows us to move smoothly from ideas and wireframes to polished, production-ready interfaces.

Payments & Integrations

We integrate reliable payment systems and third-party services securely and efficiently.

We work with:

  • Stripe
  • PayPal
  • Apple Pay
  • Amazon Payments
  • Authorize.Net


Our integrations follow best practices for security, compliance, and long-term maintainability.

TESTIMONIALS

Frequently asked questions

I have a half-developed project. Can your team help me complete it?

Yes, we take on the projects at any step of the software development cycle — from gathering requirements to maintenance after launch.

The time difference is not a problem for us. We will always find time for you.

An hourly rate allows us to give accurate estimates while still being flexible.

The Project Manager will handle any questions that may arise.

Absolutely. We stay with you as long as you need us. Our team will ensure the proper functioning of the project and help you with any necessary modifications or improvements. We have been working with some of our clients for as long as 10 years.

No, but most of our clients are from the US and Canada. Outsourcing your project to us, you receive quality work, and you won’t have to pay an arm and a leg.

We track the work time and development progress of our team with Clockodoo and Upwork trackers. All tasks are managed with Jira. These tools allow us to provide you with fair and transparent reports on what exactly you spend your money on.

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