Niklas G.
Senior Full Stack Developer
Experience
Feb 2025 - Apr 2025
3 monthsSenior Full Stack Developer
L1R1 technologies GmbH
- Migrated the Billomat API integration to InvoiceNinja API, 33% and boosting system reliability for 1300 users.
- Established an ESLint configuration with Husky and lint-staged, resulting in a 23% decrease in code review issues and refined code consistency across 5 repositories.
- Improved team processes by refining the Kanban workflow.
- Optimized frontend performance, built a new CI/CD pipeline, and implemented AWS resource monitoring to strengthen deployment reliability and system observability.
Sep 2024 - Jan 2025
5 monthsSenior Vue.js Developer
SmartAgency GmbH
- Developed new Vue.js components and resolved bugs in existing implementations.
- Translated complex Figma designs into responsive, production-ready web pages.
- Optimized frontend performance, decreasing page load times by 26% and enhancing user experience for 1600 monthly visitors.
May 2024 - Aug 2024
4 monthsGermany
React Native Developer
Okapi GmbH
- Developed new features including a Google Maps filter to narrow down outdoor table tennis tables..
Jul 2020 - Apr 2024
3 years 10 monthsGermany
Senior Full Stack Developer / Lead Developer
Heiland GmbH
- Led key decisions and implementations in cloud infrastructure design.
- Mentored 2 team members, accelerating onboarding and advancing code quality across the development team.
- Maintained and enhanced the B2B e-commerce shop, and elevating platform stability.
- Led migrations and refactoring of legacy code to reduce technical debt and decrease bug incidence.
Nov 2019 - Jun 2020
8 monthsGermany
Full Stack Web Developer / Lead Developer
upljft GmbH
- Engineered a REST API in Laravel to generate Yogagraphy images, serving 1200 users and automating image generation workflows.
- Automated image generation from custom strings and sent personalized Christmas emails to customers via Mailchimp.
- Implemented a new CI/CD pipeline with Docker in GitLab, reducing deployment times and improving release reliability.
- Delivered end-to-end web solutions for clients, ranging from small business sites to large-scale enterprise applications, resulting in 3 successful project launches.
- Served as primary technical contact for customer projects, ensuring timely delivery and maintaining a client satisfaction.
Feb 2018 - Oct 2019
1 year 9 monthsGermany
Full Stack Developer
Otto Group Solution Provider (OSP) GmbH
- Enhanced Android (Java) and iOS (Swift) apps, adding new features and improving app stability for 2000 users.
- Developed a REST API for dynamic template generation and mass dispatch of SMS and emails for a parcel service, processing 300,000 messages per month.
- Developed an online training course administration platform, enabling users to access and manage training content efficiently.
- Acted as technical point of contact, facilitating cross-team collaboration and ensuring project milestones were met on schedule.
Summary
Full-stack developer with over 6 years of experience architecting scalable web applications using Vue.js/Nuxt (v2 & v3), Node.js and Java Spring Boot. Led end-to-end migrations from monolithic to microservices architectures in AWS and implemented CI/CD pipelines across GitHub, Bitbucket and GitLab. Authored 5 open-source Vue/Nuxt libraries with up to 9100 Monthly downloads.
Languages
German
NativeEnglish
AdvancedEducation
Oct 2015 - Jan 2018
Professional School ITECH
Vocational Diploma, IT specialist in Application development · Application Development
Professional School Farmsen
Technical Assistant Diploma, Computer Science Technical Assistance · Computer Science Technical Assistance · Hamburg, Germany
Certifications & licenses
Vue.js Senior Developer
Vue School
Vue.js Developer
Vue School
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