Principal Engineer, Cross-Platform Engine at Janea Systems

Job description

Janea Systems (USA) is a dynamic team of the best & brightest software engineering specialists and solutions innovators , from around the world. From kernel to cloud, we provide high-impact software development services to Fortune 500 companies. We are seeking an exceptionally talented Client Engine Software Engineer to join our rapidly growing team. Location Fully Remote / European Residence required Compensation Salary Work Schedule Full time / Flexible working hours – Reports to Head of Engineering Member of Engineering Team To be considered for this position, you must have the following qualifications:   10+ years of development experience in systems programming, with a strong C++ focus Proven ability to design and implement complex, stateful, fault-tolerant, high-performance client-side engines , including extraction engines, parsers, or equivalent systems Deep experience with advanced algorithms, including tree/graph traversal, heuristics, and performance optimization Strong fundamentals in concurrency, memory management, and performance profiling Fast learner with a can-do attitude and exceptional problem-solving abilities Self-sufficient, proactive, and comfortable working collaboratively on remote projects English skills (ability to effectively communicate via written and spoken English) A degree in computer science (or equivalent)   Ideal candidates will also have:   Exposure to Rust, or a demonstrated willingness to migrate components from C++ to Rust incrementally Experience designing or extending declarative rule languages, query engines, or DSLs (e.g. XPath-like systems, custom parsing grammars) Experience with AI-assisted tooling, including LLM integration, vision models, or hybrid symbolic/ML systems Hands-on experience with secure local storage solutions such as SQLCipher or encrypted SQLite Familiarity with accessibility trees, UI automation frameworks, or structured UI extraction Cross-platform client development experience (Windows, macOS, Android) Competitive programming background or equivalent problem-solving depth Experience with secure client-cloud sync, serialization, and versioned protocols Why join Janea? Because world-class talent deserves world-class opportunities. What we offer:   Competitive compensation with benefits, paid vacation, and sick leave. The opportunity to work with a globally diverse team of top Engineering talent on the industry’s toughest Engineering c hallenges.  Ultra-flexible working conditions – we provide a generous office equipment allowance so you can work from home, we can also provide you with a desk at an office/coworking facility near you or use both. No business travel necessary.  An enjoyable, start-up work environment, with excellent opportunities for professional growth and development. Flexible working hours – as a remote-first company, our focus has always been on getting the job done well, not when or where it gets done.    #LI-DNI

Requirements

Must-haves

We are seeking an exceptionally talented Client Engine Software Engineer to join our rapidly growing team.
Fully Remote / European Residence required
Exposure to Rust, or a demonstrated willingness to migrate components from C++ to Rust incrementally
Experience designing or extending declarative rule languages, query engines, or DSLs (e.g. XPath-like systems, custom parsing grammars)
Experience with AI-assisted tooling, including LLM integration, vision models, or hybrid symbolic/ML systems
Hands-on experience with secure local storage solutions such as SQLCipher or encrypted SQLite
Familiarity with accessibility trees, UI automation frameworks, or structured UI extraction
Cross-platform client development experience (Windows, macOS, Android)
Competitive programming background or equivalent problem-solving depth
Experience with secure client-cloud sync, serialization, and versioned protocols
Why join Janea? Because world-class talent deserves world-class opportunities. What we offer:
Competitive compensation with benefits, paid vacation, and sick leave.
The opportunity to work with a globally diverse team of top Engineering talent on the industry’s toughest Engineering c hallenges.
An enjoyable, start-up work environment, with excellent opportunities for professional growth and development.
Flexible working hours – as a remote-first company, our focus has always been on getting the job done well, not when or where it gets done.

Nice-to-haves

None flagged.

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Keywords to mirror

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Effort: quick

Benefits

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