Portfolio · 2026 selection

Shipped products,
not slides.

Eight projects in production — healthcare, industry, e-commerce, mobile, travel. For each one: the context, what we delivered, and the stack we used.

01 · Healthcare & business software

Hospital e-health platform

Software platform for healthcare professionals — complex business interfaces, usability and performance.

Sector
Healthcare / B2B SaaS
Role
Full-stack development
Audience
Healthcare professionals
CONTEXT

Software solutions for healthcare institutions. The need: modernize critical business modules while ensuring compliance with hospital requirements (security, traceability, HL7/FHIR integrations).

The product challenge was to reconcile information density (patient records, prescriptions, scheduling) with usability at the patient bedside.

DELIVERABLES
  • Angular business modules integrated into the existing hospital information system.
  • Java Spring Boot backend: REST services, business logic, integrations.
  • Refactoring of critical components for performance and maintainability.
  • Docker containerization and CI/CD pipelines for reliable releases.
  • Agile collaboration with product and clinical teams.
JavaSpring BootAngularCI/CDDocker
02 · Industry & e-commerce

B2B showcase & catalog

Showcase site and product catalog for an industrial timber player — strong identity and B2B conversion.

Sector
Industry / Timber & materials
Role
Design & development
Audience
B2B clients and consumers
CONTEXT

Professionalize an online presence and structure a product catalog to generate qualified leads through digital.

The challenge: combine a premium visual identity (fine materials, craftsmanship) with a high-performing catalog and solid local SEO.

DELIVERABLES
  • Headless architecture: Magento 2 backend, Next.js frontend.
  • Structured product catalog with detailed sheets and filters.
  • On-page SEO optimization and structured markup (Schema.org).
  • Quote form integrated with the CRM, conversion tracking.
  • Performance: optimized Core Web Vitals, premium responsive design.
Magento 2HeadlessNext.jsReactTailwind CSSTechnical SEOVercel
03 · Native mobile app

Social mobile app

Community mobile app — in-app subscriptions, moderation and App Store & Google Play release.

Sector
Social / Community
Role
End-to-end design & development
Platforms
iOS · Android
CONTEXT

Mobile app aimed at a specific community. The project covered the entire cycle: product scoping, design, development, store compliance and production release.

Several Apple review cycles were passed successfully (4.3b, 3.1.2, 5.1.1) — proof of regulatory robustness.

DELIVERABLES
  • React Native (Expo) mobile app for iOS & Android.
  • Three-tier in-app subscriptions (Silver / Gold / Elite) via RevenueCat.
  • Supabase backend with I/O optimization and fine-grained PostgreSQL management.
  • Custom EULA, GDPR compliance, content moderation.
  • App Store & Google Play release, submission management.
React NativeExpoSupabasePostgreSQLRevenueCatEAS BuildApp Store ConnectGoogle Play Console
04 · Beauty e-commerce

Beauty e-commerce & SEO

Hair coloring e-commerce platform — performance, SEO and an optimized shopping experience.

Sector
E-commerce / Beauty
Role
Development & SEO
Audience
Consumers
CONTEXT

Selling hair coloring products online. The goal: build a fast, SEO-friendly platform able to grow with a blog module and PWA features.

Editorial audit carried out to structure a genuine content hub with pillar pages and lead capture.

DELIVERABLES
  • Next.js e-commerce with catalog, cart and checkout.
  • Custom blog module with pillar / cluster architecture.
  • PWA with offline mode and push notifications.
  • Structural SEO audit and conversion action plan.
  • Core Web Vitals and accessibility optimization.
Next.jsReactTypeScriptPWAService WorkerTechnical SEOSchema.org
05 · Health mobile app

Health & wellness app

Health and wellness tracking mobile app — React Native hybrid with native Kotlin modules for Android.

Sector
HealthTech / Wellness
Role
Mobile development
Platforms
iOS · Android
CONTEXT

Mobile journey for personal wellness tracking. The project involved a smooth user experience, secure handling of health data and the integration of native Android features through custom Kotlin modules.

GDPR compliance and accessibility were at the core of the mobile architecture choices.

DELIVERABLES
  • Cross-platform React Native app for iOS & Android.
  • Native Kotlin modules for advanced Android features.
  • Secure authentication and fine-grained permission management.
  • Custom dashboards to track health indicators.
  • GDPR-compliant architecture and accessibility best practices.
React NativeKotlinTypeScriptAndroid NativeSecure AuthGDPR
06 · Travel & distribution

Cruise marketplace

Real-time aggregation of offers from the largest cruise lines — from the web storefront to the sales CRM. A complete platform, built from the ground up.

Sector
Travel / Cruise
Role
End-to-end design & development
Audience
Agencies & travelers
CONTEXT

The cruise market relies on massive catalogs, continuously refreshed by each line. The challenge: centralize the offers of MSC, Costa, Royal Caribbean and Croisière Europe in a single place, then make them bookable through a seamless experience — without ever sacrificing the freshness of availability or pricing accuracy.

ATHENIX designed and built the entire platform: consumer-facing websites, an admin back-office and a sales CRM. A single technical foundation that orchestrates multi-feed aggregation, data normalization and business steering, from the first click to conversion.

DELIVERABLES
  • Real-time API feed aggregation from 4 major lines (MSC, Costa, Royal Caribbean, Croisière Europe).
  • Normalization of heterogeneous catalogs (itineraries, cabins, prices, availability) into a unified data model.
  • High-performance, SEO-optimized Next.js websites: cruise search, comparison and booking.
  • Admin back-office: content, offers and pricing-rule management.
  • Integrated CRM: lead tracking, follow-ups and sales-funnel steering.
ReactNext.jsTypeScriptNode.jsMongoDBREST APIMulti-feed aggregation
07 · HRIS & business software

Full HRIS — industrial group

From-scratch design and development of an HRIS covering 8 HR domains and payroll computation, deployed 100% on-premise within the client's infrastructure.

Sector
Industry / Multi-site group
Role
Dedicated team — design & development (4 people, ~6 months)
Audience
~500 employees · around thirty sites
CONTEXT

A large multi-site industrial group (~500 employees, around thirty sites) wanted to replace fragmented HR management — Excel files and an aging payroll ERP — with a unified, sovereign platform free of recurring licenses. Strong requirements: hosting 100% within the client's infrastructure, open-source stack, full ownership of the source code.

ATHENIX designed and built the entire platform: employee records, performance reviews, salary review, skills, loans and advances, regulatory imports — all the way to the payroll engine and its automatic reconciliation with the existing payroll ERP. Validated by replaying real historical payslips: detected discrepancies dropped from 25 to 8 between the two acceptance rounds, all below the 0.5% tolerance threshold.

DELIVERABLES
  • 12 business modules + 1 cross-functional module covering 8 HR domains, from employee records to payroll computation.
  • Payroll engine: 60+ configurable pay items, automatic reconciliation with the existing payroll ERP (0.5% tolerance, historical payslips replayed).
  • Full annual review cycle and salary review with a real-time budget simulator for managers.
  • Job-based skills mapping (required vs acquired) feeding the training plan.
  • Biometric time-clock integration via REST API: automatic overtime computation across 8 premium codes, degraded mode via CSV import.
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  • SAML 2.0 SSO on the client's Active Directory and bidirectional payroll-variable exchanges with the existing ERP (controlled, versioned file format).
  • Business XLSX imports: automatic schema validation, SHA-256 deduplication. Systematic audit trail (actor, timestamp, before/after values) — GDPR compliance.
  • 505 automated tests (146 E2E + 359 backend). 100% on-premise deployment, open-source stack, source code delivered to the client's GitLab.
JavaSpring BootReactNext.jsPostgreSQLSAML 2.0 / Active DirectoryGitLab CI
08 · HSE & business software

HSE application — corrective actions

HSE web application for event and corrective-action management — second project entrusted by the same client after the success of its HRIS.

Sector
Industry / Multi-site group
Role
Dedicated team — development & testing (2 people, ~2.5 months)
Audience
HSE teams & management
CONTEXT

Following the delivery of its HRIS, the same industrial group once again trusted ATHENIX to digitalize its HSE process: event reporting (incidents, near misses, observations), investigation, corrective action plans and closure tracking. The goal: replace scattered manual tracking with a single, traceable, indicator-driven tool.

The application was built with a core-first approach — a demonstrable version delivered every week and a weekly client checkpoint — followed by a two-week extended acceptance phase with users. A second project entrusted by the same client — the best proof of a partner-rather-than-vendor positioning.

DELIVERABLES
  • Full HSE event lifecycle: reporting, validation, investigation, corrective actions, closure.
  • Configurable form engine: the client creates and evolves its reporting forms without development.
  • Three-dimensional RBAC access control (role × organizational scope × event type).
  • SSO on the client's Active Directory (RS256-signed JWTs).
  • Synchronization with the previously delivered HRIS (employee and organization reference data).
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  • HSE dashboards and indicators per management level.
  • Demonstrable delivery every week (core-first approach) and a two-week extended acceptance phase with users before go-live.
Next.jsSpring BootPostgreSQLRedisRabbitMQSSO Active DirectoryCI/CD

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