Senior Backend Developer (Node.Js / Python)Portugal | Remote (Residents in Portugal)We are strengthening our team with aSenior Backend Developerto join international projects focused on building scalable APIs, microservices, and cloud-native architectures.
If you have strong experience in backend development and modern distributed systems, this could be your next challenge.Key Responsibilities Design, develop, and maintain scalable REST and GraphQL APIs;
Define and implement microservices architectures;
Design and optimize relational and NoSQL databases;
Integrate third-party services and external APIs;
Participate in code reviews and contribute to architectural decisions;
Ensure application security standards (OWASP, OAuth2/OIDC);
Analyze and optimize system performance;
Collaborate with frontend teams and Product Owners;
Produce technical documentation and follow best practices.Technical Requirements Strong experience with T ypeScript and Node.Js (primary stack);
Experience withPython: Deep understanding of API-driven design (API-first, versioning, OpenAPI/Swagger);
Experience with ORM frameworks (Prisma, SQLAlchemy);
Experience with messagebrokers (Kafka, RabbitMQ, or NATS);
Experience with serverless architectures (AWS Lambda and/or Azure Functions);
Hands-on experience with Docker and Kubernetes;
Experience with CI/CD pipelines (GitLab CI, GitHub Actions, Jenkins);
Experience with at least one cloud provider (AWS, Azure, or GCP);
Strong knowledge of relational and NoSQL databases (PostgreSQL, MongoDB, Redis, etc.);
Experience working in Agile environments;
English (B2+) required|German is a plus.Nice to Have Experience with Event-Driven Architecture and CQRS/Event Sourcing;
Knowledge of API Gateway solutions (Kong, AWS API Gateway);
Experience with SAP Commerce Cloud (Hybris);
Certifications (AWS Certified Developer, CKAD, or similar);
Knowledge of observability tools (Prometheus, Grafana, OpenTelemetry).
Project Context Integration in international teams;
Remote work model;
Agile environment with focus on delivery, quality, and continuous improvement.Interested?
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