IT Consulting
Staff Service
How to estimate the cost of a great interface? The key is choosing the right technology stack & correct IT Stuff. The development estimation great expirience for high cost programming on logs teck languages stack, build with magic frameworks, customise the data, compilers, hr tools & more.
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IT Staff Recruitment
🔍 We help you find exactly the specialists that match your task: backend, frontend, DevOps, QA, or ML engineers
🚀 Flexible approach — from quick role filling to building full-scale dedicated teams
💬 We can join at any stage — from the first CV to the final interview -
Recruiting for IT Services
💼 You don’t just need a developer — you need someone who can dive right into the project. We match candidates to your stack, goals, and deadlines.
📈 We use in-house assessment tools: tech screens, code challenges, soft skills interviews.
🔐 NDA, technical documentation, and trial tasks available upon request. -
Documentation Testing
📄 Not sure about the quality of your tech documentation? We audit, fix vulnerabilities, and structure the content.
🔧 We test not only APIs and features but also how user-friendly the documentation is.
🧠 You get clear, up-to-date documentation that’s easy to understand for new employees, contractors, and clients. -
MVP, SOLID, Cloud, DNS Technologies
⚙️ We build architecture based on best practices: SOLID, scalability, and fail-safe scenarios
💡 From CMS-based prototypes to full-scale products from scratch — we can build, test, and launch fast
🌐 DNS, hosting, and security — all on one platform so your MVP doesn’t get stuck in drafts
Portfolio
Our Clients for Stuff IT supporting
- Php
- Bootstrap
- JS
DARI CO
DARI CO is a Ukrainian brand of conceptual swimwear and homewear, founded by designer Daria Avramenko in 2013.
- Shopify
- Swiper
- JS
TTSWTRS
TTSWTRS is a Ukrainian fashion brand founded in 2013 as a creative project by Anna Osmekhina — a former stylist, fashion editor, and costume designer. Starting as a small team of enthusiasts, the brand became a global phenomenon within a few years.
- Vue.js
- Swiper
- Redux
PinCraftr
Create high-quality, visually optimized Pinterest pins in PNG and JPG formats in just a few clicks. Whether you’re designing for blogs, e-commerce, or social media, PinCraftr ensures each pin is sharp, engaging, and ready to drive traffic.
- WordPress
- MySQL
- PHP
SaleUp.ai
Our team needed a tool to properly prioritize potential leads. Previous tools lacked the flexibility to define custom criteria that matched our business goals. SaleUp.ai filled that gap with a more tailored solution.
- Php
- Bootstrap
- JS
DARI CO
DARI CO is a Ukrainian brand of conceptual swimwear and homewear, founded by designer Daria Avramenko in 2013.
- Shopify
- Swiper
- JS
TTSWTRS
TTSWTRS is a Ukrainian fashion brand founded in 2013 as a creative project by Anna Osmekhina — a former stylist, fashion editor, and costume designer. Starting as a small team of enthusiasts, the brand became a global phenomenon within a few years.
- Vue.js
- Swiper
- Redux
PinCraftr
Create high-quality, visually optimized Pinterest pins in PNG and JPG formats in just a few clicks. Whether you’re designing for blogs, e-commerce, or social media, PinCraftr ensures each pin is sharp, engaging, and ready to drive traffic.
- WordPress
- MySQL
- PHP
SaleUp.ai
Our team needed a tool to properly prioritize potential leads. Previous tools lacked the flexibility to define custom criteria that matched our business goals. SaleUp.ai filled that gap with a more tailored solution.
Website Development Consultation
Get a free consultation for building and developing your product — from MVPs to long-term, stable products.
- Not sure what exactly you need?
- We’ll help define whether you need Cloud, Code, Data, or Automation.
- We’ll suggest a tech stack, warn about potential pitfalls, and provide a basic estimate.
Subscribe to Get Special Offers from Sierra Group
The MVP model is a modern version of a product, capable of selling goods and services. A budget-friendly version can be implemented using a CMS, but our goal is to help you take the lead in your niche.
Web Studio
UX/UI Design
How much does a quality interface cost?
The key is selecting the right tech stack. The total cost depends on what’s used in development — programming languages, frameworks, databases, compilers, and other tools.
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Wireframing & prototyping
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UI kits and design systems
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Responsive design for all devices
NDA Dock
Additional services / NDA
- Our team works remotely and strictly adheres to confidentiality standards. We regularly collaborate with global companies and are ready to sign a Non-Disclosure Agreement (NDA).
- Pricing is calculated individually depending on the project scope (for projects starting from 2 business days).
