Principal Data Engineer

jaydhub

Principal Data Engineer leading backend architecture and data pipeline development in a digital tech hub for Publicis Groupe. Working with AI-assisted workflows and scalable systems.

Posted 6/23/2026full-timeRemote • 🇵🇹 PortugalLead💰 €77,000 - €84,000 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsMicroservicesMongoDBNoSQLPostgresPySparkPythonRedisSQL

About the role

Key responsibilities & impact

Own backend and data architecture across marketing data pipelines, connector systems, platform APIs, agent/tool runtimes, and downstream product surfaces, defining durable domain boundaries and data contracts between warehouse outputs, platform APIs, agent tools, and user-facing workflows.
Turn ambiguous platform needs into incremental technical plans that balance reliability, security, tenant isolation, developer experience, and long-term maintainability.
Lead the evolution of data pipelines following the medallion architecture, driving data quality, schema enforcement, lineage, and curated outputs for analytics and product use cases.
Harden ingestion from external marketing platforms and related APIs, including connector and reconciliation patterns.
Architect backend services across API paths and cloud infrastructure, shaping how platform capabilities are exposed through stable contracts, streaming workflows, and tool permissions.
Implement secure authentication, authorization, rate limiting, and multi-tenant access controls across services.
Write high-quality, production-ready code and integrate with external APIs, cloud services, and internal microservices.
Build and maintain deployment pipelines and infrastructure environments, implementing tracing, structured logging, metrics, and alerting to ensure reliability, latency, and operational standards.
Mentor engineers, contribute to internal libraries, backend frameworks, and drive consistency across the platform.

Requirements

What you’ll need

At least ten years of experience in backend, data platform, or distributed systems, including ownership across multiple services or teams.
Expertise in Python, API design, service boundaries, async and concurrent systems, and modern testing practices.
Proficiency with Databricks, PySpark, Lakehouse patterns, and medallion-style data architecture, or equivalent large-scale data pipeline experience.
Strong AWS serverless experience, including Lambda, API Gateway, S3, IAM, and CloudFormation/SAM or equivalent infrastructure-as-code tooling.
Deep understanding of multi-tenant SaaS design, authentication and authorization, tenant-scoped data access, secrets management, and operational security.
Experience designing stable data contracts, schema evolution patterns, and consumer-facing data models.
Proficiency with SQL and NoSQL databases such as PostgreSQL, Redis, or MongoDB.
Strong CI/CD experience and deep knowledge of observability practices including logs, metrics, and traces.
Technical leadership through mentoring, architecture decisions, code reviews, communication, and engineering standards.
Fluent in English, both verbal and written.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account jaydhub Website LinkedIn All Job Openings 11 - 50 employees Founded 2022 🤝 B2B 🏢 Enterprise B2B
Enterprise jaydhub is a Portugal-based digital transformation and innovation studio that builds and accelerates digital hubs, drives cultural transformation, and helps companies adopt the right digital technologies and new ways of working. The company emphasizes people-centered change, combining technology, creativity, and an innovation methodology to boost and scale innovation, improve company behaviors through rituals and tools, and deliver value to customers. Principal Data Engineer 🔥 44 minutes ago 🇵🇹 Portugal – Remote 💵 €77k - €84k / year ⏰ Full Time 🔴 Lead 🚰 Data Engineer AWS Cloud Distributed Systems Microservices MongoDB NoSQL Postgres PySpark Python Redis SQL Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Own backend and data architecture across marketing data pipelines, connector systems, platform APIs, agent/tool runtimes, and downstream product surfaces, defining durable domain boundaries and data contracts between warehouse outputs, platform APIs, agent tools, and user-facing workflows.
Turn ambiguous platform needs into incremental technical plans that balance reliability, security, tenant isolation, developer experience, and long-term maintainability.
Lead the evolution of data pipelines following the medallion architecture, driving data quality, schema enforcement, lineage, and curated outputs for analytics and product use cases.
Harden ingestion from external marketing platforms and related APIs, including connector and reconciliation patterns.
Architect backend services across API paths and cloud infrastructure, shaping how platform capabilities are exposed through stable contracts, streaming workflows, and tool permissions.
Implement secure authentication, authorization, rate limiting, and multi-tenant access controls across services.
Write high-quality, production-ready code and integrate with external APIs, cloud services, and internal microservices.
Build and maintain deployment pipelines and infrastructure environments, implementing tracing, structured logging, metrics, and alerting to ensure reliability, latency, and operational standards.
Mentor engineers, contribute to internal libraries, backend frameworks, and drive consistency across the platform. 🎯 Requirements
At least ten years of experience in backend, data platform, or distributed systems, including ownership across multiple services or teams.
Expertise in Python, API design, service boundaries, async and concurrent systems, and modern testing practices.
Proficiency with Databricks, PySpark, Lakehouse patterns, and medallion-style data architecture, or equivalent large-scale data pipeline experience.
Strong AWS serverless experience, including Lambda, API Gateway, S3, IAM, and CloudFormation/SAM or equivalent infrastructure-as-code tooling.
Deep understanding of multi-tenant SaaS design, authentication and authorization, tenant-scoped data access, secrets management, and operational security.
Experience designing stable data contracts, schema evolution patterns, and consumer-facing data models.
Proficiency with SQL and NoSQL databases such as PostgreSQL, Redis, or MongoDB.
Strong CI/CD experience and deep knowledge of observability practices including logs, metrics, and traces.
Technical leadership through mentoring, architecture decisions, code reviews, communication, and engineering standards.
Fluent in English, both verbal and written. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Principal Data Engineer 🕒 June 8 DoiT International 201 - 500 ☁️ SaaS Website LinkedIn All Job Openings Principal Data Engineer developing and architecting large-scale backend and data systems for DoiT. Leading technical initiatives and collaborating with teams across EMEA in a remote setup. 🇵🇹 Portugal – Remote ⏰ Full Time 🔴 Lead 🚰 Data Engineer Cloud Distributed Systems Docker Java Kubernetes Microservices Postgres Python Rust Go Staff Data Engineer – Product Insights, Gaming Industry 🕒 May 27 opinov8 201 - 500 🤝 B2B 🏢 Enterprise Website LinkedIn All Job Openings Staff Data Engineer designing and implementing data solutions for a top gaming company in eSports. Collaborating with analysts and engineers to enhance player experiences through data infrastructure. 🇵🇹 Portugal – Remote ⏰ Full Time 🔴 Lead 🚰 Data Engineer Airflow AWS Cloud ETL Google Cloud Platform Python SQL View More Data Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

PythonAPI designasync systemsconcurrent systemstesting practicesDatabricksPySparkSQLNoSQLCI/CD

Soft Skills

technical leadershipmentoringcommunicationengineering standards