Denis Washington
Senior Full-Stack Developer at Futurice
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolDenis Washington is a Senior Full-Stack Developer based in Berlin with 11 years of experience building web and mobile services that emphasize clarity in code, architecture, and documentation. He’s fluent in JavaScript/TypeScript and React, and equally comfortable on the backend with Node.js, Java/Spring, AWS Lambda, DynamoDB and event-driven architectures using Kafka. At Futurice he delivers client-facing digital products and has a track record of shipping reliable systems across frontend, mobile and microservice backends. An active open-source contributor, he’s made meaningful fixes to the widely used Spring Security project, improving OAuth2 and request cache handling—demonstrating deep framework-level understanding beyond typical application work. He continually hones his craft through reading, teaching and hands-on exploration of new technologies, combining practical engineering with a focus on long-term maintainability.
11 years of coding experience
3 years of employment as a software developer
Master of Science (M.S.), Informatik, Master of Science (M.S.), Informatik at Freie Universität BerlinBachelor of Science (B.S.), Informatik, 1,9, Bachelor of Science (B.S.), Informatik, 1,9 at Humboldt-Universität zu Berlin
German, English
Stackoverflow
5,334reputation
302kreached
47answers
4questions
async-await
top-1%
canvas
top-5%
html5-canvas
top-5%
javascript
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html
top-5%
Github Skills (25)
spring10
java10
security10
javas10
async-await10
oauth10
springframework10
testing9
html5-canvas9
javascript9
application-framework9
canvas9
app-framework9
html9
web-framework9
Programming languages (28)
Github contributions (5)
spring-projects/spring-security
Jan 2019 - Feb 2021
Spring Security
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 6 commits, 2 PRs in 2 years 1 month
Contributions summary:Denis primarily contributed to the Spring Security project by addressing specific issues and enhancing the functionality of the framework. Their work focused on improving the handling of query parameters in the `WebSessionServerRequestCache`, ensuring proper saving and restoration. Additionally, the user modified the `oauth2Login()` configuration to limit links to redirect-based flows, thereby improving the security and usability of OAuth2 login flows. These modifications required changes across multiple configuration and test files, indicating a deep understanding of the framework's internals.
spring-bootspring-frameworksecurityframeworkspring
denisw/dotfiles
Sep 2016 - Mar 2025
Contributions:611 pushes, 3 branches in 8 years 7 months
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