Senior TypeScript/Node.js Developer (Swedish Ad Platform)

Описание

• Own and govern API design by defining and maintaining strict OpenAPI specifications before implementation begins
• Design and implement high-performance microservices using TypeScript and Node.js within a serverless AWS architecture
• Drive FinOps excellence by architecting solutions with AWS Lambda, API Gateway, DynamoDB, and EventBridge to achieve a Scale-to-Zero cost model
• Enforce logical isolation patterns across services, ensuring strict tenant data separation via JWT policies and Row-Level Security
• Maintain adherence to the Ad Context Protocol (AdCP) across all data models for consistent AdTech data language
• Develop reusable “Golden Path” templates, shared libraries, and engineering best practices
• Conduct rigorous code reviews focusing on latency (<200ms), availability (99.99%), and observability
• Translate product and commercial requirements into scalable technical specifications
• Contribute to evolving the overall platform architecture toward standardization and reusability

• At least 7 years of production experience as a Back-End Developer
• Strong hands-on expertise with TypeScript and Node.js
• Proven experience designing API-first microservice architectures
• Deep expertise in AWS serverless ecosystem: Lambda, API Gateway, DynamoDB, EventBridge, and IaC tools (CloudFormation or Terraform)
• Solid AdTech domain knowledge, including advertising data models and workflows
• Extensive experience designing RESTful and GraphQL APIs with versioning, backward compatibility, and documentation
• Strong understanding of multi-tenant architecture and logical data isolation patterns
• Experience building standardized platforms for multiple clients instead of custom solutions
• Strong focus on performance, reliability, and observability in distributed systems
• At least an Upper-Intermediate level of English

WILL BE A PLUS

• Experience as a Lead Back-End Developer

PERSONAL PROFILE

• Proactive and detail-oriented with a strong sense of ownership
• Enjoys solving complex architectural challenges
• Thrives in collaborative, cross-functional teams
• Committed to delivering high-quality solutions meeting demanding performance and reliability standards