Jannie Louwrens
Technical Lead at OPENCOLLAB
Western Cape, South Africa
Summary
👤
Senior🎓
Top SchoolJannie Louwrens is a seasoned Technical Lead with nine years of focused experience delivering enterprise Java and Spring-based solutions across the financial services sector. Currently leading engineering at OPENCOLLAB, he brings deep expertise in Java EE, Spring, SQL and XML combined with hands-on system analysis and mainframe reporting from a long tenure at Sanlam. He has a practical blend of legacy systems knowledge (JCL, Easytrieve, mainframe reporting) and modern server/application maintenance including ASP.NET, enabling reliable migrations and integrations. Known for mentoring and estimating across full SDLC phases, he pairs technical depth with clear recommendations that align engineering work to business needs. Based in the Western Cape with an NH Certificate in Information Technology from Technikon SA, he is comfortable bridging old and new technologies to keep critical systems productive. A pragmatic problem-solver, he often surfaces non-obvious operational fixes drawn from his cross-era platform experience.
10 years of coding experience
9 years of employment as a software developer
NH Certificate, Information Technology, NH Certificate, Information Technology at Technikon SA
Github Skills (27)
spring10
mysql10
authentication10
spring-security10
full-stack10
spring-mvc10
authorization10
jwt10
spring-boot10
spring-security-jwt10
react-router10
backend10
react-router-v410
react10
database10
Programming languages (3)
Github contributions (5)
jannie-louwrens/spring-boot-keycloak-angular
Dec 2018 - Dec 2022
Securing a Angular frontend and a Spring Boot backend with Keycloak and Spring Security
Contributions:27 commits, 24 PRs, 32 pushes in 4 years
angularbackendfrontendkeycloakspring
jannie-louwrens/spring-security-react-ant-design-polls-app
Sep 2018 - Apr 2022
Full Stack Polls App built using Spring Boot, Spring Security, JWT, React, and Ant Design
Contributions:21 commits, 6 PRs, 19 pushes in 3 years 7 months
full-stackjwtreactspringspring-boot
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