09/12/2024 updated

DH
100 % available

Full Stack Developer, Web Developer

Delft, Netherlands
Only remote
Delft, Netherlands
Only remote

Profile attachments

Derrick Hu.pdf

JavaScriptPHPAmazon Web ServicesComponent-Based Software EngineeringApplication Performance ManagementHTML5Unit TestingCascading Style Sheets (CSS)Software as a ServiceCode ReviewDatabasesContinuous IntegrationData RetrievalDevOpsDjangoAmazon DynamoDBGitHubPython (Programming Language)LaravelPostgreSQLMongoDBMySQLNode.jsNoSQLPayment GatewayScrum MethodologyRedisNext.jsResponsive Web DesignSystems ArchitectureTypeScriptUnstructured DataWeb ApplicationsGoogle CloudTest-Driven Development (TDD)React.jsFlaskExpress.jsAWS LambdaVue.jsBackendFastAPIEvent Driven ArchitectureContainerizationAngularJSKubernetesBug ReportingReact NativeNestJSRestful ApiServerless ComputingDockerJenkinsGolangProgramming LanguagesCrudMicroservices
AWS Lambda, DynamoDB, AWS, Angular, application performance, back-end, bug reports, CSS3, code reviews, application components, Containerization, CI/CD, CRUD, data retrieval, Database, DevOps, Django, Docker, Event-Driven Architecture, Express.js, FastAPI, Flask, GitHub, Golang, GCP, HTML5, Computer Science, JavaScript, Jest, Jenkins, Kubernetes, Laravel, microservices, MongoDB, MySQL, Nest.js, Next.js, NoSQL databases, Node.js, PHP, payment gateway, PostgreSQL, Programming languages, Python, React Native, React.js, React, Redis, responsive design, RESTful APIs, sprint planning, serverless, SaaS, Software as a Service, system architecture, test-driven development, TypeScript, unit tests, unstructured data, Vue.js, web application  

Experience

Professional experience5 - 10 years
Freelancer since2016

Languages

EnglishFluent

Project history

Senior Full Stack Developer

Optimusfox
Successfully led a SaaS payment gateway, capable of handling 10 million volume activities
monthly and integrated it into 4 different merchants.
Drove design sessions and guided the development of an innovative system architecture,
leveraging Domain-Driven Design and Event-Driven Architecture.
Designed and built a plug-and-play bank integration microservice using the adapter
pattern and Docker, which facilitated easy switching between third-party bank systems,
thereby increasing the robustness of the banking system.
Deployed services as serverless AWS Lambda functions, optimizing performance and
scalability for high volume activities.
Spearheaded the development and implementation of an advanced test-driven
development framework, resulting in an impressive 25% reduction in bug reports and
ensuring the consistent delivery of impeccable code deliverables.
Conducted comprehensive code reviews, identifying and resolving 50+ software bugs
prior to release, ensuring exceptional quality and minimizing post-launch issues.
Amplified application performance by a remarkable 15% through strategic implementation
of lazy loading and code splitting techniques.
Streamlined task allocation process, providing clear direction and support to developers,
which led to a 25% reduction in task completion time and successful project delivery.
Collaborated in Agile meetings, actively contributing to sprint planning by providing
valuable recommendations, facilitating efficient project execution.
Mentored 2 junior developers for skill development and team growth.

Full Stack Developer

Miyagami
Participated in a large Software as a Service project for about a year and played an
important role in the whole development processes.
Write the Technical Design Document before the project development, to specify
solutions and ways how to solve the requirements described in Functional Design
Documents, which let the whole team develop the project so easily.
Worked on end-to-end development tasks, taking responsibility for both front-end and
back-end of projects.
Implemented responsive design and optimized website performance to improve user
experience.
Collaborated closely with other team members, including designers and product
managers, to deliver high-quality web application.
Implemented synchronous and asynchronous communication between microservices.
Engaged in architectural discussions and contributed to designing robust and scalable
solutions.
Participated in code reviews, attended agile meetings, and contributed to continuous
improvement initiatives.

Web Developer

V olare software
Gained expertise in building atomic structure using React, contributing to the seamless
operation of various application components.
Implemented CRUD operations using MongoDB and Express.js.
Developed and implemented RESTful APIs to streamline communication between
application components, resulting in a 40% reduction in data retrieval time and a 25%
increase in overall application performance.
Implemented responsive design and optimized website performance, resulting in a 20%
increase in user engagement.
Wrote unit tests for JavaScript functions using Jest.
Utilized NoSQL databases to store and manage unstructured data, enabling scalability and
flexibility for data-driven applications.
Collaborated with the team to ensure the application met the project requirements.

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