Product & frontend
Web and mobile interfaces built around real workflows.
ReactNext.jsFlutterTypeScript
Software • AI • Systems
Tailor-made software, built to hold up.
Joanis Allushi is a full-stack software engineer based in Thessaloniki, building high-performance web and mobile products, backend platforms, and applied AI systems. We work directly with teams that need complicated software made clear, dependable, and useful.
allushi — capability mapavailable
product.frontendReact • Next.js • Flutter
platform.backendNode.js • NestJS • data
systems.aiRAG • vector search • document intelligence
delivery.qualityTDD • E2E • CI/CD
studio.locationThessaloniki • remote worldwide
FinTechEdTechMedTechArtTechAutomotiveGovernment
Services
Senior product engineering across the whole system.
Frontend, backend, AI, and the integrations in between—shaped around the actual problem, not a preset package.
Backend & platforms
APIs, data systems, and business-critical platforms.
Node.jsNestJSPostgreSQLFirebase
Applied AI & automation
Useful AI systems grounded in your data and workflows.
LLMsQdrantPythonAmazon Bedrock
Integrations & reliability
The connectors and quality systems your stack is missing.
RESTgRPCStripeGitHub Actions
Selected work
Products and platforms with measurable outcomes.
Verified work across mobile, web, operations, data, and commerce. No placeholder case studies and no inflated claims.
ArtTech • Mobile • Analytics01
ArtVolt • 2024 – present
Turning around the ArtVolt product ecosystem
Modernising a two-sided art platform across its consumer app, exhibitor tools, collector experience, CMS, and analytics.
FlutterDartPythonAngular
Read case study →FinTech • Internal platform02
Woli Fintech • 2022 – 2025
An operations platform for Woli Fintech
A full-stack administration system giving compliance, support, and marketing teams purpose-built operational tools.
Node.jsExpressFlutter webMySQL
Read case study →FinTech • Web product03
Woli Fintech • 2022 – 2025
Launching a new revenue stream with Woli Gift
A focused three-step gifting web application built from scratch for the Woli customer base.
ReactMaterial UITypeScript
Read case study →4×registered and active-user growth for ArtVolt
3×customer-support throughput at Woli
~40%active-user adoption for Woli Gift
~2.5Mdocuments in the GetItParts Firestore design
Process
Direct collaboration, clearly staged.
You speak with the people doing the work. Each engagement starts with the problem and ends with working software and a clear handover.
Understand
A direct conversation about the problem, constraints, users, and the result you need.
Scope
A written plan covering what we will build, the delivery shape, risks, and commercial model.
Build
Working increments, frequent demos, and direct access to the people writing the code.
Ship & support
A measured launch, knowledge transfer, and continued iteration where it adds value.
Have a system that needs to work better?
Bring the problem. We’ll start with a direct, practical conversation.