Jobs / United States / Singlestore INC

Singlestore INC

Senior Software Engineer

United States Posted 1 month ago

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Skills this job asks for

SQLLeadershipC++PythonRustKubernetesRecruitment

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Sponsorship verdict

Sponsorship possible

One solid signal, not two. Worth applying, and worth asking about sponsorship early.

  • Employer is on a government sponsor recordThe US Department of Labor certified 5 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest May 2026) — the step every H-1B hire needs first.
  • The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
  • No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area.
  • What Singlestore INC paid sponsored hires in similar roles2 certified filings for “Software Engineer” (Software Developers) in WA: $140k–$140k, median $140k.
  • Confirmed live todayWhen a source last listed this job as open.
Details and sources
Employer is on a government sponsor record
The US Department of Labor certified 5 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest May 2026) — the step every H-1B hire needs first. Source: LCA disclosure data (US Department of Labor (OFLC)).
No salary bar for this route
H-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
What Singlestore INC paid sponsored hires in similar roles
2 certified filings for “Software Engineer” (Software Developers) in WA: $140k–$140k, median $140k. Most were filed at wage level I (100%) — 1 lottery entry, ≈15% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).

US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).

A verdict summarises public evidence. It is not legal advice and never a guarantee: the employer and the immigration authority decide. Sign in to factor in where you can already work.

About the role

SingleStore engineers build the real-time data platform powering some of the world’s most demanding applications. Our cloud-native architecture enables high-performance transactional and analytical workloads at scale, and our teams ship production code continuously throughout the year. We operate in a fast-moving, highly collaborative environment where engineers own their work end-to-end and partner closely across Product, Sales, and Go-To-Market teams to deliver meaningful business impact. Position Summary SingleStore engineers build the real-time data platform that enables some of the world’s most demanding applications. Our cloud-native database architecture enables high-performance transactional and analytical workloads at scale. Our Software Engineers work on small, collaborative teams to help drive our company forward. Whether you’re improving the fault tolerance of a SingleStore cluster, accelerating the performance of SQL queries with techniques like SIMD vectorization and LLVM codeGen, or writing search and costing modules for the query optimizer, our engineers are responsible for building systems critical to high performance workloads. Note: This role is open across multiple levels. Final leveling (Senior, Staff, or Principal) will be determined based on experience, scope of impact, and demonstrated technical leadership throughout the interview process. Role and Responsibilities • Develop database engine features based on company direction and customer requests to ensure that requirements are met in a timely manner • Deliver bug-free code in a low-level, unmanaged memory C++ environment • Translate high-level customer requirements into actionable and deliverable software features • Learn, propose, and adapt cutting-edge technologies from across industry and academia into SingleStore’s database architecture for ensuring optimal performance and throughput for customer workloads in both analytical and transactional scenarios • Design and execute comprehensive test plans to evaluate database engine functionality, ensuring thorough coverage and accuracy, using Python, C++, and SQL • Use low-level debugging techniques including GDB and Flame graphs to fix problems and improve performance • Work on distributed systems algorithms and problems/components of core database engine behind SingleStore • Take part in code reviews and design reviews for the purpose of software quality assurance Required Skills and Experience • 5+ years of experience developing and debugging system-level software in unmanaged languages like C++ or Rust • Bachelor’s degree in Computer Science or equivalent practical experience. • Demonstrated ability to design and build highly reliable, high-performance system software. Preferred Qualifications • Knowledge of database architecture and operating systems • Familiarity with distributed systems managed via Kubernetes SingleStore delivers our cloud-native database with the speed and scale to power the world’s data-intensive applications. With a distributed SQL database that introduces simplicity to your data architecture by unifying transactions and analytics, SingleStore empowers digital leaders to deliver exceptional, real-time data experiences to their customers. SingleStore is venture-backed and headquartered in San Francisco with offices in Sunnyvale, Raleigh, Seattle, Boston, London, Lisbon, Bangalore, Dublin and Kyiv. Consistent with our commitment to diversity & inclusion, we value individuals with the ability to work on diverse teams and with a diverse range of people. To all recruitment agencies: SingleStore does not accept agency resumes. Please do not forward resumes to SingleStore employees. SingleStore is not responsible for any fees related to unsolicited resumes and will

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