About Rezki
Senior Business Analyst / Functional Analyst / Product Owner with 20+ years of experience in insurance, healthcare, ERP and public sector environments. Strong expertise in end-to-end functional analysis, requirements engineering, BPMN/UML process modelling (As-Is / To-Be), business rules formalisation, backlog management and Agile/Scrum delivery.
Experienced in translating complex business and regulatory needs into structured, scalable and implementable solutions within multi-system ecosystems. Proven ability to bridge business and IT stakeholders, coordinate cross-functional teams and support delivery from discovery to testing, UAT, go-live and hypercare.
Strong technical background with hands-on experience in API integration (REST/SOAP), SQL, data flows and legacy-to-modern transformations. Comfortable interacting with architects and development teams thanks to previous experience in development and technical analysis (Java, PHP, Python).
Experienced with Jira, Confluence, Enterprise Architect, Draw.io, Postman, SQL Server, Oracle, PostgreSQL, MySQL, Docker and Linux environments.
Also active in AI-assisted solutions and intelligent systems using OpenAI / Azure OpenAI, LangChain, LangGraph, semantic search, RAG architectures and conversational interfaces.
Recognized for analytical rigor, structured documentation, stakeholder communication and ability to operate autonomously in complex and regulated environments.
French
Native or bilingual
English
Fluent
Dutch
Basic
Can work on-site
Flobecq (up to 50km), Bruxelles (up to 10km)
Experience
- MLOZSenior Functional Analyst / Business AnalystOctober 2023 - April 2026 (2 years and 6 months)• • Delivered end-to-end functional analysis for digital insurance services (reimbursements, rights, documents)• • Modelled business processes (As-Is / To-Be) across complex multi-application architecture• • Contributed to user journey analysis and functional screen design for web and mobile member-facing digital services.• • Collaborated with business stakeholders and UX/UI teams to define and validate wireframes and user experience flows.• • Defined integration requirements with external partners (UnifiedPost, DIOSS)• • Structured business rules ensuring consistency across systems• • Defined test strategies, scenarios and traceability• • Supported production releases and hypercare phases• • Supported phased deployment and validation activities across interconnected systems and stakeholders• • Coordinated functional validation and stabilization activities during releases and post-GoLive phasesAchievements
- SOLIDARISSenior Functional Analyst / Business AnalystSeptember 2022 - October 2023 (1 year and 1 month)• • Translated regulatory requirements into functional specifications• • Designed full lifecycle processes for assistance requests• • Designed functional screen behaviour, user flows and wireframes using Balsamiq in collaboration with business stakeholders.• • Modelled business rules (eligibility, duration, conditions)• • Structured data models and system interactions• • Analysed asynchronous message flows and processing reliability mechanisms in a healthcare billing context involving third-party payer reimbursement flows.• • Contributed to the analysis of Kafka-based asynchronous exchanges to improve traceability, processing reliability and recovery of unprocessed reimbursement requests in distributed workflows.• • Facilitated workshops with business stakeholdersAchievements: BPMN, UML, Jira, Confluence, Balsamiq, Kafka, REST APIs
- FOUNDATION ADLANIAIndependent Project / Senior AnalystSeptember 2022 - Today (3 years and 11 months)• • Analyse user interactions and conversation flows to identify improvement opportunities.• • Review AI-generated responses and retrieval results to improve answer quality and relevance.• • Define and refine prompts, conversational behaviours and response strategies.• • Monitor AI quality through validation workflows, confidence scoring and human-in the-loop reviews.• • Identify recurring issues, edge cases and user experience gaps.• • Translate findings into functional improvements, user stories and implementation priorities.Key Deliverables
Recommendations
Be the first to recommend Rezki
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Diplôme d’Etudes Supérieures Spécialisées (DESS) en sciences de l’ingénieurECAM2004
- Master in Science & Technology (Industrial Engineer)Faculté des sciences et techniques2002
Certifications
- PRINCE2 FoundationEgilia Belguim2014