Principal Engineer, Cross-Platform Engine

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.

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