Panthalassa

Senior Software Engineer, Core Systems

Panthalassa
Apply
19 hours ago
Portland, OR, USASenior

Base Salary

$175k - $230k/yr

Responsibilities

  • Build and maintain network-facing software layers for reliable communication between ocean nodes and shore.
  • Design bandwidth-efficient egress pipelines that balance data fidelity, timeliness, and link constraints.
  • Collaborate on APIs and schemas for reliable control and data exchange between subsystems.
  • Develop bandwidth allocation and prioritization strategies with network engineers.
  • Implement graceful degradation, buffering, retry logic, and prioritized retransmission during connectivity loss.
  • Review and harden onboard software for vulnerabilities and ensure network-facing interfaces meet security standards.
  • Analyze and optimize latency, throughput, and resource efficiency.
  • Extend unit testing frameworks, integration tests, and CI/CD pipelines.
  • Strengthen code review, documentation, design reviews, architecture discussions, and cross-team engineering practices.
  • Own designs from initial concept through fabrication and deployment at sea.

Requirements

  • 7+ years of experience developing software.
  • 3+ years of experience with data-intensive or mission-critical systems.
  • Proficiency in a systems programming language and version control.
  • Competency with CI/CD pipelines for automated testing and deployment.
  • Experience building or maintaining production network-facing software, including connection lifecycles, protocol implementation, or communication reliability.
  • Understanding of computer networking fundamentals, transport protocols, congestion control, and distributed systems.
  • Experience designing systems for constrained, high-latency, intermittent, or expensive links such as satellite, maritime, or remote operations.
  • Familiarity with authentication, authorization, encryption, and key management for networked systems.
  • Desired experience with real-time or safety-adjacent systems, robotics, aerospace, marine systems, time-series databases, streaming analytics, data pipelines, and containerized build environments.
  • Ability to work independently in a fast-paced collaborative environment and communicate effectively across disciplines.
  • Ability to intermittently work longer hours and weekends for critical needs and travel to vendors and test sites as needed.

Benefits

  • Full-time cash compensation of $175,000–$230,000.
  • Equity in the company.
  • Flexible paid time off and flexible working hours.
  • Health, dental, vision, and disability insurance, with the company covering stated plans for eligible employees and dependents.
  • Access to tax-advantaged accounts including 401(k), health FSA, and dependent care FSA.
  • Relocation assistance for moving to Portland, Oregon.
  • Hybrid work arrangement with a minimum expectation of one week in the office per month.
  • Work at the company’s Portland offices, lab, and shop, with travel to vendors and test sites as needed.

Categories

BackendData Engineering
Panthalassa

About Panthalassa

51-200 employees

Panthalassa builds ocean-energy platforms that harvest open-ocean power to run clean compute at sea and produce renewable fuels delivered to shore. The company develops and operates these systems as a commercial provider of energy and supporting technology for compute operators and fuel markets. It is a privately held public benefit corporation headquartered in Portland, Oregon, and is backed by venture capital, philanthropic investors, and university endowments.

Contact me