Hire Top Freelance
Database Developers
in Belgium

Principal Java developer and technical lead with over 13 years of industry experience in designing, developing, and leading Java/J2EE projects across diverse sectors, including telephony, banking, IoT, healthcare, and manufacturing. I led and mentored teams of 4+ developers and managed the entire software development life cycle (SDLC) while consistently prioritizing code quality. demonstrated rapid proficiency in adapting to and mastering new technologies. Skilled in automated testing, leveraging tools such as JUnit, Integration, Wiremock, and Testcontainers to ensure robust software quality. Proficient in adhering to the SOLID principles and employing clean coding methodologies. Key technical expertise includes Java 17, Spring Boot, microservices, Hibernate, Maven, Git, CI/CD, Docker, Kubernetes, Postgres, MySQL, CosmosDB, JUnit, TDD, BDD, DDD, and microservices.

DatabaseAzureRESTful APIAngularApache KafkaSpring BootApache MavenDevOpsElasticsearchJUnitJavaScriptNoSQLGitSpringSQLJava

I have 20 years of experience in tech (Python, JS/TS, full stack web, reverse engineering, security, AI...), started 7 companies, dealt with a massive range of different problems at different scales and worn every single hat you can think of. Highly versatile in tech, business, finance, and legal compliance. I am six domain experts in one. I find your unknowns and solve them. Book time with me [here](https://cal.com/jleclanche). Background ---------- * Currently: Founder & CEO @ [Seven Seed](https://sevenseed.eu/), Director @ [Ingram](https://ingram.tech) * Previously: Co-founder & CTO @ [Ola Financial Technologies](https://olainvierte.com) * Previously: CTO @ [HearthSim](https://hearthsim.net/), Int. CEO @ [Magic Find](https://www.magicfind.us) * Programming in Open Source since 2006. * Consultant since 2012. Specialized in FinTech since 2016. Solutions engineering & Software architecture. Certified Stripe partner. [Website](https://leclan.ch) · [LinkedIn](https://linkedin.com/in/jleclanche) · [Book a meeting](https://cal.com/jleclanche)

DatabasePayment gatewayStripeReactAWS (Amazon Web Services)System AdministrationFinTechTypeScriptDatabase AdministrationPythonJavaScript

Developer by day, programmer by night. I obtained a master of science in civil engineering (computer science) and participated - together with several teams - in programming contests and hackathlons. I answer questions on StackOverflow on a daily basis and wrote courses on Artificial Intelligence and Digital Electronics. I am mainly interested in Haskell, Python, and Prolog. I worked as a researcher in the field of hyperheuristics (artificial intelligence), a teaching assistant in computer science and as a data scientist and technical lead developer in an AI startup. During my spare time I developed small (and larger) projects to help with daily routine. For me, a computer should aim to automate everything that is boring, such that one can pay more attention to what is interesting in life. After each session, I aim to write a document (usually within one week) that describes what we discussed. The public GPG key can be found here: https://pgp.mit.edu/pks/lookup?op=vindex&search=0x6A148004A6024E2B Usually available between 17:30 - 21:30 UTC (Monday to Friday) and 9:30 - 21:30 UTC (weekend). See for time conversions https://goo.gl/eWdDCG (week days) and https://goo.gl/kdvMsa (weekends).

DatabaseVue.jsDjangoAI (artificial intelligence)AlgorithmC#JavaPythonSQLPrologHaskell