Apptension

Senior-only AI and SaaS engineering

Web Development AI & LLM Development AI Agents & Automation AI Consulting & Strategy Custom Software Development Mobile App Development Poznań, Poland

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About Apptension

Apptension is a senior-only AI and SaaS engineering company. We take RAG, agents, voice AI, and multi-tenant SaaS from prototype to production, then hand over the code, evaluation harness, and guardrails your team needs to operate them.

Multi-agent generative AI systems and RAG. Agentic SDLC, retrieval pipelines, agent workflows, evaluation harnesses with golden sets and regression gates, PII detection and redaction, and structured inference traces built for audit.Founded in 2012 in Poznań (Poland). 360+ projects delivered. No juniors on client work.

Best fit: CTOs and product leaders who need an AI or SaaS system to pass security review and reach production without hiring an internal team first. Series A/B startups through NASDAQ-listed companies, in SaaS, fintech, healthcare, aviation, marina, energy, and retail.

Our open-source SaaS Boilerplate (React, Django, AWS) has ~2,970 GitHub stars and 420 forks. https://github.com/apptension/saas-boilerplate

Services

Capabilities listed on this profile.

AI AgentsGenerative AIMobile App DevelopmentAI DevelopmentWeb DevelopmentAI ConsultingCustom Software Development

Pricing

Self-reported by the listing.

Min. project

$25,000+

Hourly rate

$50 - $99 / hr

Team & locations

Poznań, Poland50 - 249 employeesFounded 2012More agencies here →

Questions & answers

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