High-performance AI & software engineered, step by step.
We build serious AI products, custom software, and dedicated engineering teams for EU and US scale-ups — anchored by a transparent delivery method and 10+ years of nearshore experience.
Trusted by teams shipping at scale
An AI-first
software house.
StepTo is a software engineering company founded in Belgrade in 2014. We build serious software — production AI systems, custom platforms, and dedicated engineering teams — for European and North American clients.
Our focus has shifted firmly toward artificial intelligence and high-performance software: LLM integration, RAG pipelines, agentic workflows, and custom ML models. Outstaffing and outsourcing are part of how we deliver, not the headline.
Every engagement runs on the same governance model — transparent milestones, weekly demos, and full IP ownership for the client. One company, one method, one standard of delivery.
From AI architecture to engineering teams that ship.
A focused practice. AI & software engineering at the core, with flexible delivery models — embedded teams, augmented squads, full project ownership — wrapped around it.
AI & High-Performance Software
End-to-end AI solutions — from feasibility and proof-of-concept through production hardening. We architect LLM integrations, retrieval-augmented systems, agent workflows, and custom ML models that ship to real users, on real infrastructure.
- LLM & agentic workflow integration
- Retrieval-augmented generation (RAG)
- Custom ML model training & serving
- Vector databases & semantic search
- Intelligent process automation
- NLP, computer vision, document AI
Custom Software Development
Bespoke web, mobile, and enterprise platforms built around your business — TypeScript, React, Next.js, Node.js, Python — from MVP to production scale.
- Full-stack web & mobile
- SaaS & multi-tenant platforms
- Cloud-native architecture
- API design & integration
Dedicated Development Teams
Cross-functional teams — engineers, designers, QA — that work exclusively for you. Stability of in-house, flexibility of nearshore.
- Custom-assembled to your stack
- Risk-free trial period
- Full-time exclusive engagement
- Long-term partnership model
Outstaffing & Augmentation
Embed senior Serbian engineers directly into your team. You manage the work, we handle payroll, HR, and compliance.
- Direct, day-to-day control
- Scale up or down monthly
- From single specialist to squads
- Native English communication
Software Outsourcing
End-to-end project delivery — discovery, build, test, deploy. Predictable milestones, transparent pricing, full IP handover.
- Five-stage delivery model
- Two-week agile sprints
- Weekly client demos
- Post-launch support contracts
Step by Step. By design.
Our proprietary five-stage delivery model. Every milestone has acceptance criteria and a client sign-off gate before the next stage begins. Predictable, reviewable, low-risk.
Serious engineering, calibrated to ship.
Tried outsourcing before? We built SBS to fix exactly what went wrong. Below are the reasons our clients stay — most of them, for years.
- 10+ years of engineering depthStrong technical leadership across full-stack, cloud, mobile, and AI disciplines.
- AI as a core competencyProduction LLM, RAG and agent systems — not slideware. Feasibility-first engineering.
- CET timezone, native EnglishFull business-hour overlap with EU; 4h overlap with US East Coast.
- Transparent governanceSBS milestones, weekly demos, full IP ownership, no long-term lock-in.
Modern, opinionated, production-grade.
Where we've shipped.
Fintech
Payment processing, KYC/AML, trading platforms. PCI-DSS & SOC 2 standards.
Healthcare
HIPAA-compliant EHR, telemedicine, medical device integration.
E-commerce
Custom storefronts, OMS, marketplaces processing millions of monthly txns.
SaaS & B2B
Technical co-founder model. From MVP to enterprise-grade products.
Logistics
Real-time tracking, WMS, route optimization engines.
Government & Telecom
Mission-critical platforms with audit trails and uptime SLAs.
Questions, answered straight.
Let's talk about your project
Tell us what you're building and we'll get back to you within one business day with a no-obligation assessment.
Office hours
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We'll reply within one business day.