Senior Data Engineer

Senior Data Engineer
Porto
Porto, Porto, Portugal

? Want to design
- scale cloud data platforms powering the future of European finance?

e
Xalt-Fi Portugal is looking for a Data Engineer to join
- impact transformation programs for one of Europe’s top market operators. Work on strategic,
- critical solutions while growing fast in a
- first consulting environment.

What You’ll Do

✔ Shape cloud data strategy and best practices (AWS-first; Azure/GCP welcome)

✔ Design & build scalable data pipelines and Lakehouse architectures (Iceberg; Hudi/Delta a plus)

✔ Automate ETL/ELT workflows using Airflow, Step Functions & AWS native orchestration

✔ Ensure high reliability, automated testing, and security across data platforms

✔ Troubleshoot incidents, perform root cause analysis & implement preventive improvements

✔ Share knowledge, mentor teams & contribute to technical excellence across the organization

What You Bring

? 8 years building data pipelines on public cloud (AWS preferred)

? Experience with ETL/ELT, data modeling, BI, Big Data or ML

? Proficiency with Spark (Hadoop a plus)

? Strong Python, SQL, Docker & CI/CD automation

? Orchestration expertise: Airflow, Step Functions, AWS workflows

? Familiarity with AWS services: Glue, Lambda, Crawlers, Dynamo
DB, Batch, etc.

? Understanding of networking, security, storage & IAM in cloud environments

? Experience with Ia
C: Cloud
Formation, Terraform

? Strong communication skills & collaborative mindset

? Fluent English (spoken & written)

Nice to have: Financial markets exposure, consulting experience, Linux/containers expertise.

What’s in It for You?

? To be negotiated: €2, 300–€2, 800 NET/month (Senior) or €270–€300/day (B2B)

? Hybrid model: up to 2 remote days/week

? e
Xalt Academy: continuous training, mentoring & certifications

? Communities of practice, workshops &
- sharing events

? Fast-growing consulting group with clear paths to seniority & leadership

? People-first culture based on trust, flexibility & recognition

? Meal allowance, health insurance, flexible benefits

? International exposure across Europe’s leading financial institutions

About e
Xalt-Fi Portugal

Part of the
- growing e
Xalt Group (founded in 2018), we bring together:

• 1, 300+ experts, 10+ locations across Europe & the Americas
• 150+ clients across Finance, Energy, Retail & Tech
• A culture built around Pulse. Make. Learn. — innovation, ownership & continuous improvement

Recognized as:

? #1 in growth – Consulting & Audit (France)

? Top 10 in European Management Consulting (Financial Times)

Ready to Shape the Future of Market Data?

Join a consultancy where your expertise fuels innovation and your growth is a priority.

? Share your CV — let’s talk!