Dremio·Portugal - Remote·4 дн назад
Senior Staff Software Engineer - Query Execution
≈ 1 417 000 – 1 856 000 ₽наша приблизительная оценка по 149 вакансиям этой роли и грейда, у работодателя вилка не указана
🌍 УдалённоSeniorПолная занятость🌐 Глобал
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Наша компания
Be Part of Building the Future Dremio is the unified lakehouse platform for self-service analytics and AI, serving hundreds of global enterprises, including Maersk, Amazon, Regeneron, NetApp, and S&P Global. Customers rely on Dremio for cloud, hybrid, and on-prem lakehouses to power their data mesh, data warehouse migration, data virtualization, and unified data access use cases. Based on open source technologies, including Apache Iceberg and Apache Arrow, Dremio provides an open lakehouse architecture enabling the fastest time to insight and platform flexibility at a fraction of the cost.
Чем предстоит заниматься
Dremio’s Query Execution team builds the runtime responsible for executing analytical queries at scale. The team sits between query planning and table scans, owning the systems that turn query plans into efficient, reliable execution
As a Senior Staff Software Engineer, you’ll work on query operators, expression evaluation, memory management, execution scheduling, runtime planning, and performance optimization. Your work will directly affect query performance, scalability, and reliability across Dremio’s cloud data platform
Build the execution engine: Design, implement, test, and support query operators, expression evaluation, execution scheduling, runtime planning, and resource management
Improve runtime performance: Optimize vectorized processing, concurrency, parallelism, memory usage, data exchange, and disk spilling
Diagnose difficult problems: Investigate query correctness and performance issues using query profiles, profiling tools, telemetry, benchmarks, logs, and production data
Optimize Java and the JVM: Improve CPU utilization, allocation behavior, garbage collection, thread behavior, and other runtime characteristics
Collaborate across the query engine: Work with Query Planner, Datalake, Product, Support, and field engineering teams on end-to-end query improvements
Use AI-assisted development tools: Apply AI tools to code comprehension, debugging, test generation, documentation, and incident analysis
Raise the engineering bar: Participate in design and code reviews, contribute to technical direction, and mentor other engineers
Наши требования
Software engineering experience: 5+ years developing production software, preferably in database systems, query execution, distributed systems, or related areas
Programming skills: Strong Java skills; experience with C++ is a plus
Computer science fundamentals: Strong foundation in data structures, algorithms, concurrency, multithreaded programming, and asynchronous programming
Database and distributed systems knowledge: Understanding of database internals, query processing, distributed execution, and performance optimization
Performance engineering experience: Experience profiling and optimizing CPU, memory, garbage collection, thread behavior, or other runtime characteristics
Problem-solving ability: Ability to solve ambiguous technical problems and work effectively across team boundaries
Engineering judgment: Ability to evaluate tradeoffs, validate solutions rigorously, and make sound decisions when working with unfamiliar or AI-assisted implementations
Communication and ownership: Strong communication skills, a sense of ownership, and a commitment to delivering high-quality software
Query engines: Distributed query engines, database engines, or large-scale data processing systems
Execution techniques: Vectorized execution, query operators, expression evaluation, code generation, or runtime optimization
Runtime systems: JVM profiling, memory management, caching, networking, data exchange, execution scheduling, or disk spilling
Data platforms: Apache Arrow, Apache Iceberg, Parquet, Avro, Spark, Hadoop, or cloud object stores
Open source: Contributing to open-source projects
What we value
At Dremio, we hold ourselves to high standards when it comes to People, Thinking, and Action. Our Gnarlies (that's what we call our employees) communicate with clarity, drive accountability, and are respectful towards each other. We confront brutal facts and focus on results while operating with a sense of urgency and building a "flywheel". People who like to jump in and drive momentum will thrive in our #GnarlyLife
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