Senior Backend Engineers - 100% remote, ASAP, 6+ months

Dear Senior Backend Engineers, We are currently looking for multiple Senior Backend Engineers for one of the leading digital agencies in Europe. The position is for a big client in the automotive industry, 100% remote and long-term. QUICK FACTS: * Freelancing/Contracting * Start: ASAP * 100% remote * Duration: long-term 6+ months * Capacity: full-time, part-time also possible * Language: English * Central European Time REQUIREMENTS: * Experience with backend development in Kotlin or Java, ideally with Spring / Spring Boot. * Hands-on experience with AWS services, including Lambda, ECS, S3, CloudFront, and DynamoDB. * Experience with Infrastructure as Code and CI/CD, ideally AWS CDK with TypeScript or Terraform. * Knowledge of clean code, domain-driven design, layered architecture, and automated testing. * Familiarity with Docker, Node.js, OAuth, Kafka, and observability tools, ideally in enterprise environments. Are you interested? If so, please send your most recent CV to recruiting@wynwd.com as well as your earliest possible starting date. When sending over your details, please include a self-assessment (0-10, 10 = expert level) in the following areas: * Kotlin * Java * TypeScript * Spring / Spring Boot (optional) * Node.js & Python * Angular * AWS Core & Serverless Services * AWS Lambda & Amazon ECS * Amazon S3 & Amazon CloudFront * Amazon Route 53 * AWS Glue * Infrastructure as Code (IaC) * AWS CDK * Terraform & AWS CloudFormation * Databases & Data Modeling * Amazon DynamoDB (NoSQL) * RDBMS & Database Modeling (Amazon Aurora, MySQL) (optional) * ORM Frameworks (f.e. Hibernate, JPA, Exposed) (optional) * CI/CD Pipelines * Security, Certificate & Secrets Management (OAuth, AWS ACM, AWS Secrets Manager) * Event-Driven Architecture & Messaging * Apache Kafka (Consumer side) (optional) * Monitoring, Logging & Observability (Amazon CloudWatch, Splunk, New Relic) * Containerization (Docker) * Software Architecture (Domain-Driven Design / DDD, Layered Architecture, Clean Code, Refactoring) * Automated Testing (Unit, Integration, End-to-End Testing) We are looking forward to hearing back from you. Have a great day! Your wynwood tech Recruiting Team ;-)