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Alban HyseniAH

Alban Hyseni

Senior Solution Architect | Java Spring Boot

€400/day
Athens, GR
15+ years

Average response time: 1 hour

About Alban

Solution Architect and Software Developer with over 15 years of experience delivering enterprise-grade applications across logistics, manufacturing, and consulting sectors. Expert in Java, Spring Boot, and Outsystems with proven success leading multi-disciplinary teams, optimizing business processes, and driving digital transformation. Adept at integrating cloud, microservices, and DevOps practices to deliver scalable, secure, and high-performance solutions for global clients including Lineas and Heineken.
Architecture & Design: Microservices, Domain-Driven Design, Event-Driven Architecture, REST/SOAP APIs, SOA/BPM, Enterprise Architecture (ArchiMate), OAuth2/SSO/OIDC, SAML, API Gateway, Agile/Scrum
Languages & Frameworks: Java 8/17/21, Spring Boot, React, Angular, Flutter, TypeScript, JavaScript, JSF, Hibernate, JPA, PL/SQL, HTML/CSS, Struts, JSP
AI & ML: LangChain, LangGraph, LLM Orchestration, Agentic AI, Machine Learning (applied)
Low-Code: OutSystems 10/11 (Solution Architect, Reactive Developer certified)
DevOps & Cloud: Docker, Kubernetes, GitHub Actions, Jenkins, Maven, Gradle, SonarQube, CI/CD, AWS, Azure, Airflow
Databases & Middleware: PostgreSQL, ETL, Oracle, MSSQL, DB2, Redis, Kafka, JMS, Zookeeper, Elasticsearch, Minio, Oracle WebLogic, WebSphere, Tomcat, Oracle Service Bus
Observability: Prometheus, Grafana, Jaeger, New Relic
Integrations & ERP: SAP, Boomi, Salesforce, i2/JDA Advanced Planning
Leadership: Technical Leadership, Code Review, Architecture Review, Stakeholder Management, Project Delivery, Mentoring, Technical Documentation
  • Albanian

    Native or bilingual

  • Greek

    Native or bilingual

  • English

    Fluent

  • Italian

    Fluent

  • Dutch

    Basic

Remote only
Primarily works remotely

Experience

  • IneosQ
    Solution Architect, Tech Lead
    DIGITAL AND IT
    April 2025 - Today (1 year and 2 months)
    Athens, Greece
    •Founded and delivered 4 production SaaS platforms simultaneously, owning the full stack from business analysis through architecture, development, DevOps, and go-live
    •Shipped Jobikos.gr to production on iOS and Android — reached 200 users within the first week through an initial marketing campaign
    •Shipped PowerRadar.gr to production — an energy coaching SaaS for retail energy providers, built on an event-driven ingestion and forecasting pipeline
    •Built Gridforecast.gr, an AI-powered energy forecasting and trading platform for the Greek market (HEnEx/ADMIE/ENTSO-E integrations, ML forecasting with P10/P50/P90, CVaR portfolio optimization, 13 microservices); completed 2 client demos
    •Architected IneosQPMS.com, a multi-tenant hotel PMS with RBAC, tenant isolation, and licensing, currently in pilot with hotels in Greece and Albania
    •Built agent-based AI orchestration platform using LangChain/LangGraph for enterprise automation use-cases
    •Implemented Java 17/21 Spring Boot microservices, REST APIs, React web apps, and Flutter mobile apps across all platforms
    •Managed CI/CD pipelines, Kubernetes deployments, and infrastructure on AWS/Hetzner
    •Mentored team members; produced architecture diagrams, API specs, and deployment documentation
    Technologies: Java 17/21, Spring Boot, React, Flutter, PostgreSQL, Kafka, Redis, Docker, Kubernetes, AWS, LangChain, LangGraph, Elasticsearch, Prometheus, Grafana, Jaeger, New Relic, Minio, GitHub Actions, Maven
    Apache Kafka Flutter Spring boot artificial intelligence Java
  • Lineas
    Solution Architect, Tech Lead, Technology Consultant
    LOGISTICS AND SUPPLY CHAIN
    May 2021 - April 2025 (3 years and 11 months)
    Brussels, Belgium
    •Led end-to-end delivery as Solution Architect and Tech Lead across 8+ enterprise applications serving 2,000+ internal and external users, managing teams of 3–4 developers per project
    •Owned architecture decisions, integration patterns, SSO/OAuth2/Okta security, and delivery governance for the OutSystems Factory
    •Modernized legacy monolithic systems into containerized microservices architectures, reducing deployment risk and improving scalability
    •Led major Java framework upgrades and OutSystems platform migrations; ensured zero production downtime during transitions
    •Collaborated with product owners to plan and manage technical scope and delivery timelines across complex stakeholder environments
    •Reference projects: Finance Control Tower, Value Added Service, E2E Quality Management, Transport Order Management, Source2Pay, RMS, B2B Connect, MIA Mobile App
    Technologies: OutSystems 10/11, Java 17, PostgreSQL, Kafka, Oracle Service Bus, SAP, Salesforce, Okta, OAuth2/SSO, LDAP, Docker, Kubernetes, Azure, AWS, React, ArchiMate, New Relic, GitHub, SonarLint, Airflow, Tableau
    Apache Kafka Java REST Agile method PostgreSQL
  • Heineken / NovioQ BV
    OutSystems Developer | Senior Java Developer
    RETAIL (LARGE RETAILERS)
    October 2018 - May 2021 (2 years and 7 months)
    Amsterdam, Netherlands
    •Designed and developed OutSystems–Exasol connector; integrated multiple external enterprise systems
    •Delivered OutSystems solutions for Heineken intercompany finance, credit management, mass dispute, and master data applications
    •Built intelligent email assistant and automated invoice status check workflows
    •Reference projects: Exasol Connector, Intercompany Service Charge, Credit Limit Request, Heiflow, Master Data, Invoice Status Check, Mass Dispute Upload, Credit Rating
    Technologies: OutSystems 10/11, Java 8, PostgreSQL, Kafka, Oracle Service Bus, SAP, Salesforce, LDAP, Jenkins, Docker, Kubernetes, Azure, React, SOAP, ArchiMate
    Outsystems Java Jenkins Oracle React Native

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Education

  • Bachelor Degree in Computer Science
    2008
    Bachelor Degree in Computer Science
  • University of Hertfordshire

Certifications

  • Associate Web Developer – OutSystems 10
    Outsystems
    2019
    Low-code software architect
  • Associate Reactive Developer – OutSystems 11 (OutSystems, 2019)
    Outsystems
    2019
    React Native

Skill set

Categories