Impress employers and recruiters.
Choose from hundreds of resume examples.

Target Resume Now

Tailor your resume to this Senior Software Engineer, Core Systems role.

Rezi rewrites your resume against Panthalassa's job description. Free.

Resume score gauge reading 58 out of 100

Don't guess if your resume is good enough.

See how it scores against the Senior Software Engineer, Core Systems posting at Panthalassa — free, in seconds.

About the Role

As a Senior Software Engineer on the Core Systems team, you will contribute to the design, development, and optimization of onboard data systems. You will work with our Core team and partner with Shore-side software engineers to build reliable data pipelines and storage systems that function in unpredictable marine environments. Your work will directly shape how data is captured, moved, and understood onboard, enabling resilient autonomy and breakthrough operational insight for the rest of the company. You will own your designs cradle-to-grave, from first concept through fabrication and deployment at sea.

Responsibilities

Build and maintain the network-facing software layers that enable Node to communicate reliably with shore – from low-level connection handling to higher-level data exchange protocols.
Design egress pipelines that use bandwidth efficiently, weighing tradeoffs between data fidelity, timeliness, and link constraints.
Collaborate on APIs and schemas for control and data exchanges between subsystems, ensuring reliability is built in from the start.
Partner with network engineers to ensure a cohesive strategy for how bandwidth is divided and prioritized among competing data streams, ensuring consistent allocation and fulfillment of bandwidth budget.
Ensure that software degrades gracefully during connectivity loss or link degradation – including buffering, retry logic, and prioritized retransmission – so critical data isn't lost when links drop.
Work with network and security engineers to review onboard software for vulnerabilities, harden network-facing services, and ensure our interfaces meet the company's security standards before deployment.
Analyze system performance and implement optimizations for latency, throughput, and resource efficiency.
Extend and improve existing unit testing frameworks, integration tests, and CI/CD pipelines.
Strengthen code review, documentation, and general software engineering practices within the team.
Participate in design reviews, architecture discussions, and cross-team technical collaborations.

Requirements

7+ years of experience developing software.
3+ years of experience with data-intensive or mission-critical systems.
Proficiency in a systems programming language.
Proficiency with version control.
Competency with CI/CD pipelines for automated tests and deployment.
Experience building or maintaining network-facing software – handling connection lifecycles, protocol implementation, or communication reliability in production systems.
Understanding of fundamentals in computer networking (L2–L4), transport protocols, congestion control, and distributed systems.
Experience designing systems for constrained, high-latency, intermittent, and/or expensive links (e.g., satellite, maritime, remote ops).
Familiarity with security principles for networked systems (authentication/authorization, encryption, key management).
Ability to work in a fast-paced and self-starting atmosphere.
Ability to communicate thoughtfully and empathetically with people from many different educational and professional backgrounds.
Motivation and curiosity to learn a wide variety of concepts across many disciplines, not just software engineering!
Intermittently able to work longer hours and weekends to support critical needs.
Travel to vendors and test sites as needed.

Skills

systems programming language
version control
CI/CD pipelines
network-facing software
computer networking (L2–L4)
transport protocols
congestion control
distributed systems
security principles for networked systems
real-time systems
safety-adjacent systems
robotics
aerospace
marine systems
data processing
time-series databases
streaming analytics
data pipelines for monitoring applications
containerized build environments

Location

Portland, Oregon

Work Type

hybrid
full-time

Experience Level

Senior

Salary/Compensations

$175,000–$230,000

Benefits

Equity in the company
Flexible paid time off
Health insurance (the company pays 100% of gold-level PPO plan for full-time employees, their partners, and dependents)
Dental insurance (the company pays 100% for full-time employees, their partners, and dependents)
Vision insurance (the company pays 100% for full-time employees, their partners, and dependents)
Disability insurance (the company pays 100% for a policy to provide long-term financial support if you become disabled)
Ability to contribute to tax-advantaged accounts, including 401(k), health FSA, and dependent care FSA
Relocation assistance to facilitate your move to Portland (if needed).

About the Company

We are a renewable energy and ocean technology company committed to rapidly developing and deploying technologies that will ensure a sustainable future for Earth by unlocking the vast energy potential of its oceans.
Our focus is on capturing civilizational levels of ultra-low-cost renewable energy for applications including computing and affordable renewable fuels delivered to shore.
The company is a public benefit corporation headquartered in Portland, Oregon, and backed by leading venture capitalists, philanthropic investors, university endowments, and private investment offices.
We operate as an idea meritocracy in which the best ideas change the company’s direction on a regular basis.
Our staff have worked at organizations such as SpaceX, Blue Origin, Boeing, Tesla, Apple, Virgin Orbit, Astra, Google, Amazon, Microsoft, New Relic, Bridgewater, Raytheon, Disney Imagineering, and the US Army and Air Force, as well as research universities, startups, and small companies across a range of industries.