Backend Developer (Node.js)

Andersen is looking for a Backend Developer (Node.js) based in Germany to join a project for the country’s largest online retailer of premium bathroom, lighting, and home design products. The role involves rewriting the existing platform from scratch using modern technologies (Node.js and React), with a focus on improving performance, scalability, and user experience, while also introducing new features. 

The customer is the Germany’s largest online retailer specializing in high-quality bathroom, lighting, and home design products. With a catalog of over 250 premium brands and hundreds of thousands of items, it offers a wide selection at competitive prices. Known for its innovative spirit, customer-first philosophy, and commitment to quality.   

The project is to rewrite an existing site on the new technologies (Node.js + React).   

The technology stack on a project: FeathersJs / ExpressJs NodeJs, TypeScript MariaDB / MySQL, ElasticSearch & Kibana, Redis, Solr, MongoDB TypeBox / JSON schema, Jest, Axios, Ajv, Nx, Yargs, Sequelize, PM2, Bcrypt, Swagger, BullMQ, ESlint Gitlab, Git NPM Grafana, Prometheus Podman / Docker Monorepo, microservices, REST API.  

Responsibilities:
- Rebuilding the backend system from scratch using a modern tech stack. 

- Designing scalable architecture and implementing new features. 

- Migrating data and ensuring a smooth transition from the legacy system. 

- Developing and documenting robust APIs. 

- Ensuring high code quality through testing and code reviews. 

- Optimizing performance, security, and reliability. 

- Collaborating with cross-functional teams and maintaining clear documentation. 

Must-haves:  
- Commercial experience with Node.js for 4+ years. 
- Strong proficiency in TypeScript. 
- Experience with Elasticsearch or Solr. 
- Solid experience with SQL and NoSQL databases (MariaDB/MySQL, MongoDB). 
- Hands-on experience with Express.js or FeathersJS. 
- Experience building and documenting REST APIs. 
- Familiarity with Docker and CI/CD pipelines. 
- Experience with Redis and BullMQ. 
- Experience of writing unit/integration tests using Jest. 
- Working knowledge of Swagger, ESLint, Git. 
- Familiarity with Nx and monorepo architecture. 
- Experience with Grafana. 
- Knowledge of PM2. 
- Experience with Kibana. 
- English – from Intermediate+ and above. 

Nice-to-haves:
- Knowledge of Podman.  
- Experience with Prometheus.  
- Understanding of React, Next.js, Webpack. 

Reasons why this job would be interesting to you:
- Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..
- The opportunity to change the project and/or develop expertise in an interesting business domain.
- Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
- Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. - The opportunity to earn up to an additional 1,000 EUR per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities.
- Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. - Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
- Certification compensation (AWS, PMP, etc).
- Referral program.
- English courses.
- Private health insurance and compensation for sports activities. 

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Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl 

Join us! 

https://people.andersenlab.com/