/01
Web development
Sites, portals and web services built for load. We design architecture that scales with your traffic and audience.
Full-cycle development
We builddigital productsend to end.
Web, mobile apps, backend, AI, Web3 and SaaS. From idea and design to release and support — one team accountable for the whole product.
01 — What we doNine directions.
Nine directions.
One team.
We handle the full development cycle — from discovery to support. Instead of juggling several vendors, you work with one team accountable for the whole product.
/02
Mobile apps
Native and cross-platform apps for iOS and Android — from MVP to a product in the App Store and Google Play.
/03
Backend & API
We build backend and integrations: microservices, APIs, data pipelines. Systems that handle load and scale.
/04
UI/UX design
We research users, design interfaces and build a design system. Design that solves real business tasks.
/05
DevOps & Infra
We set up infrastructure, CI/CD and monitoring. A transparent release cycle and stable production.
/06
B2B SaaS
We build turnkey SaaS products: multitenancy, billing, analytics and admin panels.
/07
Blockchain / crypto
Smart contracts, wallets and Web3 integrations. Designed with security and audit as the priority.
/08
AI business automation
We automate business processes with AI: data pipelines, RAG and integrations into your systems.
/09
AI assistants
We design chatbots and voice assistants for support, sales and internal workflows.
0Years of combined experience
0Dev directions
0%Turnkey delivery
0Founders on every project
02 — Selected work
All cases→Cases
VIDEO
case_fintech.mp4 · 16:10
Fintech · Web + Backend
Payment platform
High-load processing, dashboards, integrations with banks and acquiring.
Result: ×3 throughput→
VIDEO
case_ai.mp4 · 16:10
AI · Automation
AI support assistant
An agent that closes 70% of tickets without a human. RAG over the knowledge base.
Result: −70% load→
VIDEO
case_crypto.mp4 · 16:10
Web3 · Mobile
Crypto wallet
Non-custodial wallet with DeFi, staking and multi-chain support.
Result: 4.9★ rating→
VIDEO
case_saas.mp4 · 16:10
B2B SaaS · Design
Analytics SaaS
Turnkey product: multitenancy, billing, dashboards and a design system.
Result: MVP in 6 weeks→
03 — Our stack
Technologies
We pick tools for the task, not the other way around. Here's what we work with daily.
04 — How we work
Process
A transparent process: you see progress at every stage and always know what you pay for.
01
Discovery
We dive into the task, gather requirements, estimate and fix the scope.
02
Design
Prototypes, UI, design system. Approve before a single line of code.
03
Development
Sprints, demos every two weeks, code review. You always see progress.
04
QA
Autotests and manual QA. We ship without critical bugs.
05
Launch & support
Deploy, monitoring, support. We stay on the product after launch.
05 — FoundersTwo founders.
Two founders.
Full ownership.
No account managers between you and the engineers. You talk to the people who build the product.
PHOTO
Smekh
CTO · Chief Technology Officer
Owns everything technical: architecture, development, infrastructure, DevOps and quality. Turns requirements into working systems.
ArchitectureFullstackDevOpsAI
PHOTO
Solonenko
CEO · Chief Executive Officer
Owns the business: strategy, clients, product and studio growth. Keeps the focus on client outcomes.
StrategyProductSalesDelivery
06 — Feedback
Client feedback
Placeholder reviews — will be replaced with real client feedback.
Delivered the MVP ahead of schedule. Communication was clear and to the point.
[Client name]CEO, Fintech startup
Took the full scope: design, backend, mobile. One team instead of five contractors.
[Client name]Founder, SaaS
AI assistant paid for itself in a month. Support load dropped dramatically.
[Client name]COO, E-commerce
FAQ — Questions
Frequently asked questions
A quick overview of how working with S2 Digital works.
What does S2 Digital do?
S2 Digital is a full-cycle development studio. We build websites, mobile apps, backend and APIs, UI/UX design, DevOps, B2B SaaS, blockchain solutions and AI automation — from idea to release and support.
How do I start a project?
Submit the form on the site or message us on Telegram. Within 24 hours we come back with a timeline and budget estimate.
What technologies do you work with?
React, Next.js, Vue and TypeScript on the frontend; Node.js, Go, Python and Rust on the backend; PostgreSQL and Redis for data; Swift, Kotlin and Flutter for mobile; Docker, Kubernetes and AWS for infrastructure; OpenAI and LangChain for AI.
Do you deliver turnkey?
Yes. We take the whole cycle — discovery, design, development, QA and support — with one team accountable for the entire product.
How much does development cost?
Cost depends on scope and complexity. After a short brief we fix a timeline and budget estimate before work starts.
07 — Let's talkLet's discuss
Let's discuss
your project
Leave a request — we'll come back with a timeline and budget estimate within 24 hours.