SirenOpt · 11 hours ago
Lead Software Engineer
San Leandro, CA
Full-time
Onsite
Lead/Staff
$200K/yr - $246K/yrSirenOpt helps manufacturers make better, safer, and more reliable micro- and nano-materials. The Lead Software Engineer will lead the design and implementation of critical subsystems, mentor team members, and drive project cycles while fostering a collaborative culture.
AerospaceBatteryElectronicsManufacturingSemiconductorSoftware
Responsibilities
Lead the design, implementation, and scaling of critical subsystems related to cold plasma sensing devices and data visualization platforms
Make strategic architectural decisions and introduce significant quality, performance, or scalability improvements
Mentor and coach team members, fostering their technical and professional growth
Provide actionable, high-quality code reviews and ensure consistency across the codebase
Plan and drive project cycles, set priorities, and deliver on team and company goals
Extend and improve internal tools and processes; identify and oversee tooling enhancements
Communicate progress, challenges, and key decisions to leadership and stakeholders
Hire, onboard, and develop engineering talent; define and uphold performance standards
Promote a collaborative, inclusive, and mission-driven culture, where people work with and for each other
Qualification
Required
Advanced proficiency in Python and/or TypeScript Node web stacks
Deep experience with Linux environments; experience with Balena Fleet Management, Tailscale, Netdata, and Sentry is a plus
Strong experience with data stores such as Redis and Postgres
Demonstrated success leading teams and delivering complex projects independently
Experience building or integrating with data visualization systems
Proven track record of test driven development in a production environment
Familiarity with the hardware/software interface, especially in the context of sensing devices
Excellent communication skills; ability to provide clear, actionable feedback and project updates
Experience with modern DevOps practices and CI/CD pipelines
Preferred
Hands-on experience working with cold plasma sensing devices or similar instrumentation
Expertise in fleet management tools (such as Balena) and secure networking (Tailscale)
Experience with observability platforms (Netdata, Posthog, Sentry)
Prior experience hiring and growing engineering teams
Contributions to open-source projects or internal tools
Experience developing style guides, technical documentation, or internal screencasts
Background in scientific computing, signal processing, or IoT device integration
Benefits
Equity and Salary compensation depends on experience
Health, Dental, Vision plans provided
401k matching provided
Time off: 20 days of PTO per year, plus approximately 15 paid US holidays per year
Company
SirenOpt
SirenOpt provides manufacturing intelligence solutions for nanoscale materials used in semiconductors, electronics, batteries, and aerospace
Founded in 2022
11-50 employees
H1B Sponsorship
SirenOpt has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (1)
2023 (1)
Funding
Current Stage
Early StageTotal Funding
$18.5MKey Investors
California Energy Commission
2025-10-14Series Unknown· $6.5M
2025-10-09Grant· $2.4M
2024-07-23Seed· $6.6M
Leadership Team
Jared O'Leary
Co-Founder & CEO
Ali Mesbah
Co-Founder
Recent News
globalventuring.com
2025-10-16
Google Patent
2025-02-08
Company data provided by crunchbase