Senior Backend & Data Engineer – JavaScript/TypeScript

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SeniorHybryda·WarszawaFull-time·B2B

#475821·Dodano 6 dni temu·0

Źródło: justjoin.it

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Tech Stack / Keywords

JavaScript TypeScriptRelational DatabasesData IntegrationDatabase designData architectureREST API Node.js ETL/ELT

Podsumowanie oferty

Join the Technology Innovation Hub in Warsaw to build backend and data-driven solutions, with a focus on complex database solutions, data architecture, and Master Data Management (MDM). Take technical ownership of a data domain while working with JavaScript, TypeScript, and complex relational databases.

Wymagania

8+ years of professional software engineering experience, with a strong background in backend development and data-intensive applications.
Strong hands-on experience with JavaScript and TypeScript in backend environments.
Advanced knowledge of relational databases, particularly PostgreSQL or comparable database technologies.
Proven experience designing, implementing, and maintaining complex database schemas and data models.
Solid understanding of database architecture, performance optimisation, data integrity, and data consistency.
Experience building backend systems involving complex data processing, transformation, or integration.
Understanding of Master Data Management (MDM) principles, including data quality, consistency, and management across systems.
Experience designing and developing APIs and backend integrations.
Ability to independently own technical solutions and make architectural and implementation decisions.
Strong analytical thinking, problem-solving skills, and attention to data quality.
Excellent communication skills and fluency in English.

Nice to have:

Experience working in international or distributed engineering teams.
Previous experience taking ownership of a specific business-critical data domain.
Hands-on experience implementing MDM solutions or working with enterprise master data.
Experience with Node.js frameworks such as NestJS or Express.
Knowledge of data engineering practices, including data pipelines, ETL/ELT processes, or data transformation workflows.
Experience integrating data across multiple enterprise systems.
Understanding of data governance, data lineage, and data quality frameworks.
Experience working with cloud-based infrastructure or data platforms (AWS, Azure, or GCP).
Experience working in complex enterprise technology environments.

Obowiązki

Design, develop, and maintain scalable backend services and data-driven applications using JavaScript and TypeScript.
Design and implement complex relational database structures, primarily using PostgreSQL or similar technologies.
Take end-to-end technical ownership of a dedicated data domain, ensuring the reliability, consistency, and maintainability of its solutions.
Develop and optimize data models, database schemas, queries, and backend data processing.
Design and maintain backend solutions supporting complex data handling, transformation, and integration across systems.
Apply Master Data Management (MDM) principles to ensure data consistency, integrity, quality, and reliability.
Build and maintain integrations between backend services, databases, and other enterprise systems.
Identify opportunities to improve data architecture, performance, scalability, and maintainability.
Independently analyse technical challenges, propose solutions, and take responsibility for their implementation.
Collaborate with international engineering teams, business stakeholders, and other technical specialists.

Inne informacje

The recruitment process consists of an online screening call (30 minutes), an online cultural fit interview (30 minutes), and an onsite interview with a technical test and a behavioral and culture-fit interview. The onsite stages are intended to take place during one visit.

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