Data Engineer
Make an impact by working in sectors where technology is the enabler and innovation is the key.
At Celfocus, we make data actionable through Next‑Gen Intelligence - where data, AI and human creativity come together.
You’ll work with multidisciplinary teams and partner with leading companies to turn data into decisions, agility and long‑term value.
Explore your way in.
About the role
Data Engineer is responsible for building and maintaining Data Platforms. Recognizes the importance of data for the organization in the areas where it is the key to success. Maintaining an eye on the big picture and knowing the details of the business are decisive for this role.
This role is focused on designing, developing, and maintaining the data platform required for data storage, processing, orchestration, and analysis.
The mission involves implementing scalable and performant data pipelines and data integration solutions.
Agnostic of data sources and technologies to ensure efficient data flow and high data quality, enabling data scientists, analysts, and other stakeholders to access and analyze data effectively.
As a part of your job, you will:
Design, build, and maintain scalable data platforms
Collect, process, and analyze large and complex data sets from various sources
Develop and implement data processing workflows using data processing framework technologies
Collaborate with cross-functional teams to ensure data accuracy and integrity
Ensure data security and privacy through the proper implementation of access controls and data encryption
Extraction of data from various sources, including databases, file systems, and APIs
Monitor system performance and optimize for high availability and scalability
What are we looking for?
BSc or MSc in Computer Engineering or IT-related courses;
5+ Years of Data Engineering experience;
Experience with at least one programming language in the context of Data Engineering, such as Java, Scala, or Python;
Experience working with at least one event streaming platform such as Kafka, Pulsar, or similar Cloud services such as Amazon Kinesis Data Streams, Amazon MSK (Kafka), GCP Pub/Sub, or Azure Event Hubs.
Experience with at least one stream processing framework, such as Apache Kafka Streams, Apache Flink, Apache Spark Streaming or Apache Storm, or similar Cloud data processing frameworks such as GCP Dataflow or Amazon Kinesis Data Analytics.
Experience working with at least one modern data integration and movement framework suitable for streaming data sources, such as Apache NiFi, Streamsets, Kafka Connect, GCP Data Fusion, and Amazon Firehose
Nice to have:
Experience with Docker, Kubernetes, and Helm;
Experience with CI/CD tools such as Jenkins, Nexus, Sonarqube, etc;
Experience with Datalakes, Lakehouses, MPP Engines such as Presto, Dremio, Drill, Impala, Hive, Amazon Athena, GCP BigQuery, Databricks;
Experience working in Cloud Environments (I.e, AWS, GCP, Azure);
General knowledge of agile methodologies such as Scrum, Kanban, etc;
Experience working with NoSQL Databases such as Key-Value stores, Document DBs, Time-series DBs, or Graph DBs;
Experience with Data Warehouse (Data Modelling, ETL, and BI tooling);
Knowledge with Apache Druid (data modelling, real-time ingestion, and efficient query patterns);
Knowledge of code instrumentation, APM, Prometheus, and Grafana.
Personal traits
Ability to adapt to different contexts, teams, and Clients;
Teamwork skills but also a sense of autonomy;
Motivation for international projects and ok if travel is included;
Willingness to collaborate with other players;
Strong communication skills.
What’s in it for you:
• Hybrid way of working with flexibility and balance
• Opportunity to work on international projects
• Possibility to explore different roles and career paths
• Continuous learning and development opportunities
• A growing AI‑driven environment, working with the latest technologies
• A set of benefits and perks to support your day-to-day
A place for everyone
At Celfocus, we are committed to cultivate a diverse and inclusive workplace. As an equal-opportunity employer, we welcome applicants of all backgrounds, gender identities, and abilities.
If you require any adjustments during the selection process, please inform our Talent Acquisition Team.
About Celfocus
Celfocus is pioneering the future of business through Next-Gen Intelligence - the convergence of data, AI, and human creativity to build more autonomous and adaptive organisations.
Guided by our core belief - Making Data Actionable - we partner with leading companies to co-create intelligent solutions that turn data into insight, agility, and business value.
Operating in over 25 countries, we bring together business experts, data scientists, and AI engineers to turn complexity into clarity and vision into measurable impact.
Founded in 2000, Celfocus is part of Novabase, listed on Euronext Lisbon.
To know more, visit www.celfocus.com