Big Data Engineer

ABOUT THE OPPORTUNITY

We are looking for a Senior Big Data Engineer to join an international data engineering team in the financial services sector. This hybrid opportunity is based in Lisbon and involves working closely with distributed teams to build, maintain and improve scalable data solutions using modern big data technologies.

WHAT YOU WILL DO

- Design, develop and maintain big data solutions using Spark, Python, Hadoop, Hive and SQL.
- Work with distributed teams to deliver reliable and scalable data engineering solutions.
- Support software development activities across the data engineering lifecycle.
- Build and maintain data pipelines and integrations using APIs and Kafka.
- Apply CI/CD practices to improve delivery quality and automation.
- Use source code management practices with Git.
- Support build, deployment and scheduling activities using enterprise tooling.
- Monitor, troubleshoot and improve data processing performance.
- Contribute to technical documentation and knowledge sharing.
- Collaborate with international teams with autonomy, organisation and prioritisation.

WHAT WE ARE LOOKING FOR

- Minimum of 9 years of professional experience in data engineering, big data engineering or similar roles.
- Strong experience with Spark, Python, Hadoop, Hive and SQL.
- Solid experience in software development and CI/CD practices.
- Familiarity with DevOps concepts and delivery automation.
- Ability to work in an international and distributed team.
- Professional working proficiency in English at B2 level or above.
- Positive, collaborative and proactive mindset.
- Autonomy, organisation and ability to prioritise work effectively.
- Willingness to learn, share knowledge and contribute with innovative thinking.

TECHNICAL SKILLS

- Spark
- Python
- Hadoop
- Hive
- SQL
- Linux
- APIs
- Kafka
- Software development
- CI/CD
- DevOps concepts
- Git
- XL Release
- XL Deploy
- CTRL-M
- Data pipeline development
- Big data processing
- Performance troubleshooting
- Technical documentation

NICE TO HAVE

- Experience with optimisation and performance improvement.
- Knowledge of French.
- Awareness of information security, ISO/IEC 27001 or cybersecurity best practices.

COMPENSATION TRANSPARENCY

Base salary range: EUR 22 000 - EUR 32 000 gross/year
Total compensation: up to EUR 40 000/year
The salary range is based on objective and gender-neutral criteria, including required competencies, professional experience, level of responsibility and role requirements. Final compensation will be determined according to the candidate's profile and position requirements.

WHAT WE OFFER

- Hybrid work model based in Lisbon, aligned with the role and project context.
- Private health insurance from the first day, with optional family extension.
- Confidential mental health support through professional psychological support, content and live sessions.
- Continuous learning, training and certification opportunities throughout your journey.
- Childcare vouchers and practical family support measures.
- Community moments, shared milestones and leadership presence when it matters most.
- A culture built on ownership, impact, honesty, mutual support and agility.
- Upskilling opportunities in quality management, information security, AI governance or cybersecurity best practices when relevant to your role.

EQUAL OPPORTUNITY

Hexa is committed to equal opportunity, inclusion and respectful collaboration. We value different backgrounds, experiences and perspectives, and we align our practices with the principles of the Portuguese Diversity Charter.

HEXA LIFE

At Hexa, we are all Builders. You will be part of a culture where people are encouraged to contribute, question, improve and turn knowledge into real impact. We build with honesty, support each other across teams and geographies, and adapt with agility to deliver meaningful solutions with quality and intention.