Data Engineer – Big Data & Lakehouse

OBSS is an engineering-led technology consultancy helping organisations build, modernise and scale mission-critical systems through AI-native delivery. For 20+ years, we’ve delivered high-volume solutions across defence, finance, insurance, aviation, retail & e-commerce, and other regulated industries, driving measurable business impact across complex digital ecosystems. Our capabilities span technology consultancy, software engineering, cloud, data & AI, and experience design. We apply AI-native delivery to bring greater speed, governance, predictability, and repeatability to mission-critical delivery environments.

With 1,000+ technology professionals and offices in London, Istanbul, and Ankara, OBSS brings enterprise-grade delivery depth and engineering scale to organisations operating in highly demanding technology landscapes.

• 4+ years of experience in data engineering, big data, or data platform operations
• Strong hands-on experience with Apache Spark, SQL, and data pipeline development
• Experience with workflow orchestration and operational support, preferably Apache Airflow
• Working knowledge of data lake/lakehouse architectures and technologies such as Iceberg, Trino, and S3-compatible object storage
• Experience with Jupyter Hub and at least one BI or database access tool such as Superset or Cloud Beaver
• Experience in monitoring data workflows, analysing logs, troubleshooting failures, and resolving performance issues
• Familiarity with Linux environments and container platforms such as Docker, Kubernetes, or Open Shift
• Experience supporting application installation, configuration, version upgrades, and maintenance activities
• Ability to collaborate with architects and Dev Ops teams on platform integration, deployment, and production readiness
• Experience creating operational documentation, runbooks, and technical procedures
• Strong analytical, problem-solving, ownership, and teamwork skills
• Good command of written and spoken English.

As a tech company, we focus on reskilling and upskilling to support career growth. We offer a personalised Individual Growth Program (IGP), where employees set clear goals for each half of the year. These goals may include trainings, certifications, and personal development milestones, creating a structured roadmap for continuous improvement. The IGP helps employees strengthen both technical and soft skills, ensuring steady professional advancement.

We celebrate diversity, inclusion, and equal opportunity, fostering a collaborative environment where innovation can flourish. Our culture emphasises mentorship, knowledge sharing, and active participation in tech communities, workshops, and team events. This vibrant atmosphere empowers employees to contribute their best while feeling supported and valued.

• We provide competitive salaries, flexible and hybrid working arrangements, and a wide range of opportunities for growth through training programmes, certifications, and workshops.
• In addition, we offer initiatives designed to build a supportive and engaging workplace where curiosity and collaboration are encouraged.
• These benefits ensure that employees feel motivated, empowered, and equipped to reach their full potential.

OBSS is proud to be an equal opportunity workplace and is an affirmative action employer. We make recruiting decisions without regard to race, colour, religion, national or ethnic origin, age, gender, sexual orientation, marital status, veteran status or disability status.