Principal Engineer, Cross-Platform Engine

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 challenges. 

- 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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