Middle+/Senior Backend Engineer

On The Spot Development; Warszawa; Hybrid; PLN 150,000 - 230,000; Full time

Benefits offered by this job

Luxmed health insurance

Paid vacation

Sick leave

Educational costs support

English classes

Legal and accounting support

Job summary

Cycode is seeking a Backend Engineer skilled in Rust to help build, optimize, and expand the Rust-based SAST engine. You will collaborate with a multidisciplinary team to enhance performance, functionality, and language support for the engine.

We offer a hybrid role based in Warsaw with office days and remote work, along with a benefits package and HR support.

Qualifications

• 3+ years of backend development with Rust or C/C++/Go.
• Strong understanding of performance optimization for high-performance applications.
• Interest or experience in application security.
• Excellent written and verbal communication skills.

Responsibilities

• Develop and optimize the Rust-based SAST engine for high performance.
• Collaborate with the SAST team to add language support.
• Contribute to architecture and design decisions for the engine.

Skills

Rust

C

C++

Go

Performance optimization

Security awareness

Communication skills

Tools

Tree Sitter

Job description

We bring startups and disruptive tech companies to the local market, offering engineers the opportunity to work on innovative, high-impact products. Join us and become a member of their R&D team while we take care of employment, HR support, a benefits package, and an enjoyable work environment.

About the team:

Cycode is an Agentic Development Security Platform (ADSP) designed to secure the entire AI-powered development lifecycle.

By combining security scanning, AI governance, and agent-driven automation, Cycode helps organizations identify risks, understand their impact, and respond to threats at the speed modern engineering teams need.

Take a look inside Cycode’s Warsaw team in our blog post.

About the role:

We’re looking for an innovative Backend Engineer skilled with Rust.

You'll help build, optimize, and expand the capabilities of our Rust-based SAST engine. This role involves close collaboration with a multidisciplinary team, contributing to the performance, functionality, and language support of the engine.

Responsibilities:

• Develop & Optimize: Enhance and maintain the Rust-based SAST engine, ensuring high performance and reliability.
• Collaborate: Work closely with the SAST team to implement features and extend support for additional programming languages.
• Design & Architecture: Participate in technical discussions, contributing to architecture and design decisions for the SAST engine.

Requirements:

• 3+ years of experience, with proficiency in Rust or in C, C++, or Go, and a strong willingness to quickly learn Rust.
• A solid understanding of performance optimization for high-performance applications.
• Interest or experience in application security.
• Strong communication skills, with the ability to articulate and share complex ideas effectively in both written and spoken formats.

Nice to have:

• Background in secure coding practices.
• Experience parsing Abstract Syntax Trees (ASTs) using tools like Tree Sitter.
• Passion for programming languages, considering yourself a polyglot.
• Familiarity with Foreign Function Interfaces (FFI).
• Experience using profiling tools to optimize performance.
• Some exposure to C#.

Work Arrangement:

This is a hybrid role based in Warsaw, requiring 3 days in the office from Monday to Wednesday, with the remaining days remote.

• Paid vacation — 20 business days per year, 100% sick leave payment (up to 10 days), 5 sick days per year;
• Partially compensated educational costs (courses, certifications, attendance of professional events, etc.);
• Care package: Luxmed health insurance;
• English classes 2 times a week (online);
• Full legal and accounting support in Poland if requested.