10/24/2025 updated
100 % available
Freelance Senior Software Engineer
Ontinyent, Spain
Germany +3
Mavo Diplomainfo: Germany, Spain, Belgium, Netherlands
JavaScriptUser Experience (UX)Agile MethodologyApplication Performance ManagementMicrosoft AzureDatabasesContinuous IntegrationDevOpsScalabilityNode.jsPerformance TuningScrum MethodologySoftware ArchitectureQuality ManagementSelenium
Frontend Development
Expertise in modern JavaScript frameworks including Angular, Vue.js, TypeScript, and React with extensive experience in building scalable web applications
Software Architecture Design
Proficient in designing maintainable software architectures, migration strategies, requirement assessment, and implementing scalable solutions
Full-Stack Development
Comprehensive experience in both frontend and backend development using Node.js, RESTful services, and modern development frameworks
DevOps and CI/CD
Experience with Azure DevOps, Jenkins, continuous integration and deployment pipelines
Testing and Quality Assurance
Skilled in implementing testing frameworks including Jest, Cypress, Selenium, and establishing QA pipelines
Database Technologies
Experience with various database systems and data management solutions
Agile Methodologies
Proficient in Scrum, Agile workflows, and team collaboration practices
Performance Optimization
Expertise in optimizing application performance, scalability, and user experience
Expertise in modern JavaScript frameworks including Angular, Vue.js, TypeScript, and React with extensive experience in building scalable web applications
Software Architecture Design
Proficient in designing maintainable software architectures, migration strategies, requirement assessment, and implementing scalable solutions
Full-Stack Development
Comprehensive experience in both frontend and backend development using Node.js, RESTful services, and modern development frameworks
DevOps and CI/CD
Experience with Azure DevOps, Jenkins, continuous integration and deployment pipelines
Testing and Quality Assurance
Skilled in implementing testing frameworks including Jest, Cypress, Selenium, and establishing QA pipelines
Database Technologies
Experience with various database systems and data management solutions
Agile Methodologies
Proficient in Scrum, Agile workflows, and team collaboration practices
Performance Optimization
Expertise in optimizing application performance, scalability, and user experience
Languages
GermanGoodEnglishNative speakerFrenchBasic knowledgeDutchNative speakerPersianNative speakerSpanishGood
Project history
Led frontend teams within the Online Banking department, taking on leadership role and acting as proxy Product Owner reducing load on the thinly stretched overall Product Owner
Assisted B2B with product expansion and led the upgrade to the latest technology stack, modernising the platform to improve performance, scalability, and future-proofing
Initiated and collaborated with newly-formed team to replace an outdated portal posing a big security risk with a modern, future-proof architecture