Senior Backend Engineer, Data

🔥 1 minute ago

🇵🇹 Portugal – Remote

💵 €70k - €75.6k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 0%

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jaydhub

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2022

💼 Consulting

🤝 B2B

🏢 Enterprise

Consulting • 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.

📋 Description

• Build and maintain Databricks and PySpark data pipelines using medallion-style Bronze/Silver/Gold architecture • Implement data quality checks, schema enforcement, and lineage tracking across pipeline stages • Build and optimize ETL/ELT workflows for marketing performance data at scale • Collaborate with analytics and data science teams on clean, well-modeled, accessible data assets • Build backend services and APIs in Python using FastAPI, Flask, or equivalent frameworks • Work within established microservices, domain-boundary, caching, and queuing patterns • Build service-to-service communication using REST, gRPC, and event-driven patterns • Integrate with external marketing platforms, cloud services, and internal microservices • Implement secure authentication, authorization, rate limiting, and multi-tenant access controls • Write production-ready code, participate in code reviews, and mentor other engineers through technical influence • Build and maintain CI/CD pipelines and infrastructure-as-code environments • Implement tracing, structured logging, metrics, and alerting • Optimize services for latency, concurrency, throughput, and cost efficiency • Contribute to automated testing, load testing, and resiliency practices • Partner with SRE on SLIs/SLOs • Collaborate with product, data, and SRE teams on shared backend designs across campaign activation domains

🎯 Requirements

• At least 5 years of experience in backend engineering, data engineering, or distributed systems • Strong, hands-on expertise in Python, with experience in FastAPI, Flask, or equivalent modern backend frameworks • Strong, hands-on proficiency with Databricks and PySpark, including practical experience with medallion-style (Bronze/Silver/Gold) data architecture — or a strong willingness and aptitude to pick it up quickly • Solid understanding of microservices, concurrency, async programming, and event-driven architectures • Proficiency with SQL and NoSQL databases, including PostgreSQL, DynamoDB, Redis, MongoDB, or similar • Familiarity with lakehouse platforms • Hands-on experience with Docker, Kubernetes, and AWS • Experience with infrastructure-as-code tooling such as CloudFormation • Strong CI/CD experience, such as GitHub Actions or Argo • Good working knowledge of observability practices: logs, metrics, traces, and performance analysis • Proven ability to write clean, testable, well-structured production code • Fluent in English, both verbal and written • Familiarity with AI/LLM systems and agentic workflow integration • Experience with streaming or queuing systems such as Kafka, Pub/Sub, or SQS • Experience with Delta Lake, Unity Catalog, or other lakehouse governance and optimization tools • Prior experience with API gateway architectures, caching layers, or service meshes • Familiarity with marketing, advertising, or platform APIs and similar ecosystems