V4Scale

We are currently looking for Python QA Automation (Storage Protocols) for our Mixed Development Team working on Next Generation Storage in cooperation with an Top Storage company based in Tel Aviv.

Requirements:

• Experience in Python Automation Testing for at least 5 years.
• Deep understanding of Computer systems / Operating systems (Unix, Linux, Windows).
• The prior System Administration experience is big plus.
• Knowledge of File Systems (NAS) / Block-level Storage - big advantage.
• Knowledge of Storage Network protocols (NFS/SMB/S3) - big advantage.
• Knowledge and skills Active Directory and LDAP - an advantage.

• English, sufficient for read/write level and meetings participation only (В1).

   

We offer:

• Remote work, mixed international team, cutting-edge technologies, and flexible working hours.
• The project that you are not ashamed to write about in your resume.
• High salaries and bonuses.
• A friendly team with experienced mentors instead of bosses.

We are constantly growing and now looking for DB Internals & Query Execution Specialist (C++/Java) deep expertise in database engine internals, query planning, and execution architecture to join Mixed Remote Development Team collaborating with a top storage company based in Tel Aviv with investors such as Dell Capital and NVIDIA. The role involves developing (C++/Java) and optimizing core components of a SQL or analytical database engine with a strong focus on performance, concurrency, and resource efficiency.

Requirements:

• Expertise in database core development, including storage engines, query planners, execution engines, and transaction processing.
• Strong understanding of storage engines: row vs column layouts, heap files, LSM trees, B-Trees
• Experience with index structures: B-trees, LSM indexes, hash and inverted indexes
• Knowledge of buffer pool and cache management mechanisms
• Solid grasp of transactions and concurrency: MVCC, locking, isolation levels
• Familiarity with durability and recovery: WAL, replication, crash recovery
• Understanding of low-level performance factors: memory layout, disk I/O, CPU cache behavior
• English, sufficient for interviews and participation in meetings (B2)
•  

We offer:

• Remote work, mixed international team, cutting-edge technologies, and flexible working hours.
• The project that you are not ashamed to write about in your resume.
• High salaries and bonuses.
• Business trips to Israel (beach hotel, rented car).
• A friendly team with experienced mentors instead of bosses.