Available to hire
I’m Erwan Lacoste, a Senior Full Stack Software Engineer, Solution Architect, Team Lead and Technical Coach with 20+ years of experience in large-scale enterprise applications, technical leadership, and agile transformation.
I specialize in full-stack Java/JEE ecosystems, cloud-native development, DevOps integration, and mentoring cross-functional teams. I have a proven track record delivering high-impact solutions across banking, finance, health and public insurance, retail, rail, and food-tech. I thrive on simplifying complexity, accelerating delivery, and fostering innovation.
Skills
Experience Level
Expert
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Expert
Intermediate
Language
French
Fluent
English
Fluent
Spanish; Castilian
Advanced
Dutch
Intermediate
German
Beginner
Russian
Beginner
Work Experience
Freelancer at Self-employed / Freelancer
January 1, 2013 - PresentIndependent contractor delivering full-stack Java/JEE, cloud-native development, DevOps integration, and solution architecture for clients across multiple sectors; mentoring and technical coaching.
Lead Engineer at IFS
July 1, 2025 - PresentLeading the rewrite of cloud authentication & authorization platform using Go; driving DevOps improvements with GitOps and Argo CD; integrating Azure cloud components and Managed Identity; coordinating a fully remote, distributed team.
Solution Architect at Jelo - Food Tech
January 1, 2022 - July 1, 2025Architected remote IoT food delivery solution (Node.js) with task automation and REST APIs for backend–machine communication; designed UML and ArchiMate blueprints; OAuth2/OpenID; MQTT for status signaling; deployed on Docker/Kubernetes serverless environments; cloud platform design and DevOps CI/CD with GitLab; Grafana dashboards for real-time observability.
Java Coach & Application Architect at Colruyt
March 1, 2020 - March 1, 2023Architected a new ingredient tracing system (Java 17 / Spring Boot / Angular); optimized API segregation and deployment; mentored teams in Java/JEE; promoted container-based deployments with Kubernetes; collaborated with DevOps on CI/CD; migration from legacy JSF to modern stack.
Senior Developer / Full Stack at Credendo
March 1, 2018 - March 1, 2020Architected a data-sourcing platform using microservices to unify financial reporting; contributed to DevOps: Docker, Kubernetes, CI/CD pipeline optimization; REST/Angular front-end integration.
Senior Developer/Performance validation at SMALS
October 1, 2017 - February 1, 2018Enhanced company-wide performance testing tools, automated test scenarios, and resolved major production incidents; JMeter, Java, Jenkins, Docker.
Team Lead / Senior Developer at BPost - Belgium post - Brussels
September 1, 2015 - October 1, 2017Led Kanban team for BDF Build/Deploy Framework; designed graph-based deployment dashboards (Neo4j, NodeJS); managed tool migrations and JEE best-practice coaching.
Senior Developer & Scrum Master at Ypto (ex Syntigo) - Railroad ticketing - Brussels
December 1, 2014 - September 1, 2015Scrum Master for an agile team of 12; CI/CD upgrades; code quality; process automation; Mavenization from Ant; international railway ticketing.
Java / Jee Trainer at Orsys - Technical training
January 1, 2013 - December 1, 2015Trainer in various Java/JEE courses: Java Essentials, Struts, JEE6/7, Hibernate; courses ranged from 3 to 5 days.
Senior Developer at BNP Paribas Fortis
February 1, 2013 - December 1, 2014Technical analysis, development and testing within Scrum; heavy SQL query optimization; junior training; guidelines.
Technical Leader at BUYWAY - Credit solutions
September 1, 2012 - February 1, 2013Lead of a team of 3; architecture UML; tooling and CI stack; code review and quality gates.
Junior Architect / Technical Leader at DKV - Group health insurance
April 1, 2011 - December 1, 2012Architecture of the Java application; implementation, performance tweaks, CI; rules and best practices; mixed .NET and Java/JEE environment.
Senior Java Developer at Thalys (now Eurostar) - Railroad infrastructure
July 1, 2010 - April 1, 2011Technical analysis, reverse engineering, refactor and modernization; heavy JMS usage; features designed in UML for client approval.
Senior Java Developer / Team Leader / Junior Architect at European Commission - DG SANCO
January 1, 2009 - May 1, 2010Technical analysis, reverse engineering; web-layer redesign; build, CI and delivery tooling; Java migration; UML documentation.
Java Developer at Generali - Paris
March 1, 2007 - December 1, 2008Feature development; WebSphere migration; training of junior developers.
Java Developer at Prepar-Vie - Group health insurance - Paris
May 1, 2006 - February 1, 2007Refactoring of DAO layer; OO principles; heavy use of JEE6 features; mixed .NET and Java/JEE environment.
Education
Master's Degree in Software Engineering at Université de Marne-La-Vallée
January 1, 2006 - February 16, 2026Qualifications
Industry Experience
Financial Services, Healthcare, Retail, Transportation & Logistics, Software & Internet, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
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Intermediate
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