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.
Senior Javascript Engineer
Senior Javascript Engineer
SellIntegro
Wrocław
Remote
Remote