Embedded Linux Software Engineer

About Sine Engineering Sine Engineering builds the technology behind reliable drone autonomy, including communication, navigation, and control systems that enable coordinated multi-drone operations at scale. More than 200 UAV manufacturers rely on our technology, and our solutions power many of today's active interceptor operations.

Through our dual-use platform, we support civilian innovation while helping democratic nations strengthen their technological advantage. Any drone. Any scale. Anywhere. We build resilient communication, navigation, and coordination systems for the age of autonomy. The Role We are looking for an Embedded Linux Software Engineer to help build a secure, portable, and reusable software platform for Linux-based embedded systems.

You will work in a skilled engineering team.

Responsibilities

• Design, develop, and maintain software components and services for Embedded Linux systems
• Build a platform that is modular, portable, and reusable across hardware
• Harden systems and improve security, reliability, and performance
• Port software to new hardware platforms
• Develop automated tests and CI/CD pipelines
• Review code and improve development practices
• Debug issues across the software stack
• Work with hardware, firmware, DevOps, and application teams Requirements:
• Bachelor’s degree in Computer Science, Software Engineering, Electronics, or a related field
• Several years of experience as an Embedded Software Engineer, Systems Software Engineer, or in a similar role
• Good knowledge of system hardening and security practices
• Solid experience with embedded Linux and C
• Knowledge of Linux internals, device tree, and drivers
• Experience with Yocto, U-Boot (or similar), and systemd
• Hands-on experience with common embedded interfaces (UART, SPI, I2C, Ethernet)
• Experience with Git and modern software development practices
• Good debugging skills and basic ability to read schematics
• A team player who sees the big picture, shares knowledge, and drives the team forward
• A person with a clear vision for a long-lived, reusable platform
• Self-driven and proactive Nice to Have:
• Wireless protocols or RF basics
• IP networking
• Cryptography
• Modern C++ or Rust
• Experience with RTOS-based MCUs
• Test automation
• Deploying ML models to NPUs What We Offer Time Off The Employee is entitled to an annual holiday 4 + 1 weeks from the first day Health & Wellness Benefits Lunch Benefit: Daily lunch allowance up to the maximum tax-free limit. Sport & Culture Benefit: Annual budget for gym memberships, sports activities, cultural events, and hobbies. Wellbeing Allowance: Additional support for massages, mental health services, and other wellness-related activities. Extended Occupational Healthcare: Enhanced healthcare coverage, including partial dental care. 24/7 Accident Insurance: Coverage during both work and personal time. Business Travel Insurance: Comprehensive coverage for all work-related travel. Office Perks: Complimentary coffee, snacks, fruit, and other office amenities. Work Environment No-Crunch Culture: No systematic overtime. Any overtime is compensated in accordance with company policy. Meeting-Light Culture: Protected focus time with minimal unnecessary meetings. Low-Hierarchy Environment: High autonomy, strong ownership, and zero micromanagement. Growth & Innovation High-End Equipment: Premium laptop, monitor, and peripherals. Lab & Gadget Budget: Annual budget for hardware, tools, books, and learning materials. Hackathons & Offsites: Regular events focused on innovation, experimentation, and technology. Travel & Mobility Full reimbursement of business travel expenses, including transportation and accommodation. Daily per diem allowances based on the maximum tax-free rates published by the Finnish Tax Administration (Vero). Privacy Notice By applying for this position, you consent to the processing of your personal data for recruitment purposes. Your personal data will be processed in accordance with the EU General Data Protection Regulation (GDPR) and the Finnish Act on the Protection of Privacy in Working Life. Application data will be retained for a maximum of six months unless you explicitly consent to a longer retention period. You may request access to, correction of, or deletion of your personal data at any time by contacting: [email protected]