Middle+/Senior Backend Engineer (Rust)

Onthespotdev; Warszawa; On-site; PLN 80,000 - 100,000; Full time

Benefits offered by this job

Innovative culture

Growth opportunities

Collaborative environment

Job summary

Onthespotdev in Warsaw, Poland, is looking for a talented Backend Engineer with solid skills in Rust. You'll enhance and maintain a Rust-based SAST engine, collaborating closely with other team members to ensure high performance and reliability. This position offers great opportunities for growth and involvement in product decisions.

Candidates should have over 3 years of backend development experience, a knack for performance optimization, and a genuine interest in application security. The role requires a valid document allowing work in Poland.

Qualifications

• 3+ years of experience in backend development, proficiency in Rust or C/C++/Go.
• Strong understanding of performance optimization for applications.
• Interest in application security is a plus.

Responsibilities

• Enhance and maintain the Rust-based SAST engine for high performance.
• Collaborate with the SAST team for feature implementation.
• Participate in architectural and design discussions.

Skills

Proficiency in Rust

Experience in C, C++, or Go

Performance optimization

Strong communication skills

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.

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.

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#.

Why Cycode team

• New Product, Established Foundation: Work alongside domain experts to take Cycode’s native SAST scanner to the next level.
• Innovative Culture: Have a meaningful impact on product and technical decisions in a collaborative environment.
• Growth Opportunities: Expand your role and skillset in a fast-evolving domain with ample room for professional development.

Position is open to candidates in Poland. You need to have a residence permit or another valid document allowing work in Poland.