Low-Level Rust Developer

MWDN•Madrid, MD

2d•Onsite

About The Position

MWDN is seeking a Low-Level Rust Developer for a Big Data infrastructure project in Israel. The client is an Israel-based company building next-generation infrastructure for Big Data systems, backed by top investors and led by experienced founders. They are expanding their core R&D team and looking for engineers to solve complex technical challenges. This role is for A-level senior engineers who have 5+ years of relevant experience in systems programming, can own complex performance-critical components end-to-end, are comfortable navigating hardware/software boundaries, memory management, I/O tuning, and concurrency, thrive in high-autonomy environments with high standards, and can collaborate with top engineers to deliver impact without hand-holding.

Requirements

5+ years of relevant experience in systems programming
Expertise in Rust
Strong understanding of computer architecture, operating systems, and networking fundamentals
Experience in low-level system architecture
Experience with multi-threading, memory layout optimization, or custom allocators
Proven ability to take full ownership of complex challenges from inception to delivery, with strong attention to detail and a problem-solving mindset
Ability to dive into unfamiliar codebases and optimize them quickly
Comfortable working with minimal abstraction layers in high-performance environments
Fluent (C1) spoken English

Nice To Haves

Proven track record in Systems programming in Rust
Proven track record in Low-level performance optimization
Proven track record in Building high-performance infrastructure and distributed systems

Responsibilities

Own complex performance-critical components end-to-end
Navigate hardware/software boundaries, memory management, I/O tuning, and concurrency
Collaborate with top engineers and deliver impact without hand-holding
Accelerate distributed systems like Apache Spark, Hadoop, and Ray
Build native Rust-based execution engines
Perform deep performance tuning (e.g., SIMD, cache locality, zero-copy IO)

Benefits

Security: Carefully vetted clients to minimize risks and ensure reliability and timely payments
Career support: Support and active help in finding new opportunities if a project isn't the right fit
Legal assistance: Guidance on legal matters, including independent contractor or sole proprietorship status, taxes, and related processes
Professional development: English courses and professional growth opportunities, as well as team-building events
People-first management with minimal bureaucracy
A friendly company culture, proven by employees who choose to return
Flexible working hours
29 days of PTO (18 working days per year plus all national holidays)
10 paid recovery days
Full financial and legal support for independent contractors
Free English classes, with native speakers or Ukrainian teachers
Dedicated HR support