Adam P.
Senior Backend Developer
Experience
Mar 2021 - Present
4 years 6 monthsCologne, Germany
Senior Backend Developer
RTL+ / TVNOW
- As a Senior Backend Developer on the Meta team, I was responsible for operating and developing the "Stable" backbone that stores all data for RTL+ (formerly TVNOW) and is the core of the application.
- RTL+ is the largest Europe-based streaming provider with several million customers, who receive movies, series, and documentaries daily on the web, TV, or via app.
- Alongside high availability and scalability under peak loads, low response times are the top priority to serve users in the best possible way. User satisfaction is the most important metric at the company.
- The focus was on ensuring the best user experience. To achieve this, we placed strong emphasis on system architecture, optimized code, high test coverage, efficient database queries, and using intelligent multi-layer caching strategies.
- Scrum was used within the SAFe framework for agile feature development and managed in Jira.
- Technologies used
- Dev Stack: PHP, Laravel, Symfony
- Server: Linux, Apache, nginx
- Database: MySQL
- Caching: Redis, Varnish, Memcached
- Cloud: AWS
- Keywords: PHP, Laravel, Symfony, MySQL, Caching, Redis, Varnish, Memcached, API, REST, Git, Jira, Docker, Scrum
Sep 2019 - Feb 2021
1 year 6 monthsHamburg, Germany
Senior Backend Developer
About You
- As a Senior Developer, I was part of the checkout team responsible for the critical order and payment process of the e-commerce platform.
- About You is one of the largest e-commerce service providers in Europe and, besides running its own shops with the About You Cloud, offers a PaaS solution with well-known international clients like Marco Polo and Depot. Several million users use the infrastructure daily and carry out transactions worth millions.
- Ensuring uninterrupted operation, high availability, scalability, and low response times were always the highest priority. The focus was on optimal system architecture, high test coverage, intelligent caching strategies, and process optimization.
- Scrum was used for agile feature development and managed in Jira.
- Technologies used
- Dev Stack: PHP, Laravel
- Server: Linux, Apache, nginx
- Database: MySQL
- Caching: Redis, Memcached
- Cloud: AWS
- Payment: Klarna, PayPal, and other country-specific providers in the EU
- Shipping: DHL, Hermes, and other country-specific providers in the EU
- Keywords: PHP, Laravel, MySQL, Caching, Redis, Memcache, API, REST, Git, Jira, Docker, Scrum
Oct 2016 - Aug 2019
2 years 11 monthsBielefeld, Germany
Technical Lead and Development
1sales
- As part of an eight-person development team, I led the software architecture and implementation of a CRM SaaS solution.
- Using an agile Scrum process, we took a product from idea to launch in a few months and convinced several hundred clients.
- The challenges for the cloud-based solution included considering all aspects:
- Highly available, scalable system architecture
- Cloud hosting
- Resource and response optimization through intelligent multi-layer caching strategies
- Integration of payment services and connection to internal processes
- Technologies used
- Dev Stack: PHP, Laravel, Node.js, Vue.js, Angular
- Server: Linux, Apache, nginx
- Database: MySQL, MongoDB
- Caching: Redis, Varnish, Memcached
- Cloud: AWS, Digital Ocean
- Payment: Stripe
- Keywords: PHP, Laravel, MySQL, Node.js, MongoDB, Caching, API, REST, Redis, Memcache, Varnish, Git, Jira, Docker, Scrum
Apr 2011 - Sep 2019
8 years 6 monthsBielefeld, Germany
Technical Lead and Development
Adsolvix
- Developed customer and lead management software (CRM) for insurance brokers, an internal system for managing customers, leads, orders, and claims.
- Technologies used
- Dev Stack: PHP, Laravel, Zend, CodeIgniter
- Server: Linux, Apache, nginx
- Database: MySQL, MongoDB
- Caching: Redis, Varnish, Memcached
- Cloud: AWS, Digital Ocean
- Keywords: PHP, Laravel, CodeIgniter, MySQL, Caching, API, REST, Redis, Memcache, Varnish, Git, Jira, Docker, Scrum
Jan 2003 - Dec 2011
9 yearsGermany
Web Development, Online Marketing
Freelancing / Various
- Various projects for clients and on my own in areas such as:
- Finance, trading, and brokerage
- Medical devices
- Consumer goods
- Developed various web applications, created websites and landing pages, and promoted them via Google Ads/AdWords and email marketing.
- Managed ad spend budgets: 500k EUR per year.
- Keywords: PHP, Laravel, CodeIgniter, WordPress, MySQL, API, REST, nginx, Apache
Summary
With extensive experience as a backend developer, I bring broad knowledge in implementing and operating highly available and scalable applications. Most recently, I applied my expertise at international companies like RTL+ and About You, where I worked for several years.
My skills go far beyond technical know-how. With a holistic approach, I always keep the full business context in mind. Through my entrepreneurial mindset, I consider economic interests to balance technical requirements with business success.
Languages
German
NativeEducation
Oct 2001 - Jun 2007
University of Paderborn
Computer Science, minor in Economics · Germany
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