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As a Principal Engineer, you will play a key role in building and evolving Optiver’s next-generation data platform that supports research and real-time trading. The platform spans orchestration, storage, access and governance of data at scale, enabling engineers, researchers and traders to work efficiently with high-quality data. This is a hands-on role with meaningful contribution to system design and production code.
Job Responsibility:
Designing and developing scalable data platform components (e.g. orchestration, storage formats, metadata and streaming systems)
Working across the full lifecycle: problem understanding, design, implementation, testing, deployment and monitoring
Contributing to architectural decisions that improve performance, scalability and reliability
Standardising data ingestion and access patterns, including schema management, lineage, permissions and auditing
Collaborating with stakeholders across engineering, research, trading, SRE and security to deliver impactful solutions
Driving high-quality engineering practices, including code quality, testing and observability
Partnering with global teams to align on shared patterns and platforms
Requirements:
7+ years experience as a Software Engineer delivering production platforms
Strong experience with distributed systems & reliability fundamentals, including partitioning, replication, consistency/availability tradeoffs
Expertise with one or more of Python/C++/Java/Rust
Solid API and system design skills
Data platform fundamentals, including batch/stream processing, table formats, object storage, SQL
Understanding of security and governance, such as encryption, authentication, and access control
Practical experience with streaming and batch data (e.g., Kafka + Schema Registry)
Experience making architectural decisions on IT solutions, system design & implementation
Excellent stakeholder communication
What we offer:
A performance-based bonus structure
Training, mentorship and personal development opportunities
Daily breakfast, lunch and an in-house barista
Gym membership plus weekly in-house chair massages
Regular social events, including a company trip every two years
Guided relocation, a competitive relocation package and visa sponsorship where necessary