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Posted Apr 11, 2026

Client Engine Software Engineer

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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.      #LI-DNI