Senior Javascript Engineer

INDUSTRY: Media
LOCATION: 100% remote (in Poland)
REMUNERATION: up to 140 pln/h, B2B
PROJECT LANGUAGE: English

Summary

The Senior JavaScript Engineer plays a key role in advancing the company’s digital publishing capabilities by designing and developing scalable APIs and services that enhance the user experience through seamless technology integration.

Main Responsibilities

• Immerse yourself in the technical ecosystem.
• Develop and test new features, and support existing ones.
• Build reusable code, packages, and libraries for future use.
• Optimize code for speed and scalability within an agreed performance budget.
• Utilize testing frameworks to ensure automated test coverage for platform functionality.
• Collaborate with team members, including the Delivery Manager and Product Owner, to plan new functionalities or major enhancements.
• Write and improve technical documentation when necessary.

Key Requirements

• Experience developing JavaScript APIs and services using Node.js and TypeScript.
• Experience working with Node/TypeScript in large-scale projects.
• Knowledge of distributed systems, scalability, and cloud architecture (preferably AWS).
• Ability to build and work with mixed data formats (structured and unstructured) and storage systems (e.g., blob storage, MySQL, Document Storage).
• Experience in building and integrating with RAG pipelines.
• Experience with multi-step workflows and AI orchestration.
• Familiarity with LLM integration patterns.
• Experience implementing AI solutions on AWS or equivalent platforms.

Nice to Have

• Experience with model access and orchestration (e.g., Amazon Bedrock).
• Knowledge of vector and semantic search (e.g., Amazon OpenSearch).

Other Details

Open, collaborative, and dynamic work environment.
Active initiatives supporting a diverse and inclusive workplace.