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Remote Systems Software Developer Jobs in California

Zoo

Senior Systems Software Engineer

Los Angeles, CA · On-site +1

$145K - $195K/yr

We are headquartered in Los Angeles, CA with both a local and remote team. We were founded and ... Build automation and tooling that reduce operational overhead, improve developer workflows, and ...

psudo

Remote : OK Job Role: As a software developer, you'll be the brain behind crafting, developing, testing, going live and maintaining the system. You are passionate in understanding the business ...

Procede Software

Software Developer

Solana Beach, CA · On-site +1

$120K - $180K/yr

... grade software systems using modern cloud-native and SaaS oriented technologies. This role ... Hybrid work schedule Location and Compensation This is a hybrid-remote role; candidates based in ...

Meta

Software Developer, GO Systems

Menlo Park, CA · Remote

$171K/yr

Software Developer, GO Systems Responsibilities: * Define and drive the long-term technical architecture and roadmap for GO Systems tooling, aligning infrastructure strategy with Global Operations ...

Wsgr

Senior Software Developer

San Francisco, CA · On-site +1

$147K - $198K/yr

You will work closely with a fully remote team of designers, developers, and stakeholders to add ... You will be involved in all aspects of software development, including distributed system design.

Wsgr

Senior Software Developer

Palo Alto, CA · On-site +1

$147K - $198K/yr

You will work closely with a fully remote team of designers, developers, and stakeholders to add ... You will be involved in all aspects of software development, including distributed system design.

Wsgr

Senior Software Developer

San Diego, CA · On-site +1

$147K - $198K/yr

You will work closely with a fully remote team of designers, developers, and stakeholders to add ... You will be involved in all aspects of software development, including distributed system design.

Wsgr

Senior Software Developer

Los Angeles, CA · On-site +1

$147K - $198K/yr

You will work closely with a fully remote team of designers, developers, and stakeholders to add ... You will be involved in all aspects of software development, including distributed system design.

Sapta Global Inc

Software Developer

Signal Hill, CA · Remote

Remote Work Shift: (9 am - 5 pm (EST Time Zone)Client: Sapta Global Inc (Candidate Duties on the ... The management of the entire software development process, from conception to deployment.Updating ...

Tilda Research

Our team consists of of experts in systems engineering, machine learning, clinical research and ... Remote first * Flexible PTO and hours Employment Type: FULL_TIME

BackerKit

Staff Software Developer

San Francisco, CA · On-site +1

$122K - $142K/yr

We're a remote-first team of ~40 people with a diverse, close-knit team that prizes creativity ... Ability to zoom out to systems (architecture and business-level) thinking while remaining ...

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Remote Systems Software Developer jobs near you
Infographic showing various Remote Systems Software Developer job openings in California as of July 2026, with employment types broken down into 82% Full Time, 6% Part Time, 1% Temporary, and 11% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution.

Senior Systems Software Engineer

Unto Labs

San Francisco, CA • On-site, Remote

$213K - $220K/yr

Full-time

Medical, PTO

Posted 21 days ago

Job description

About Unto Labs
Unto Labs is a team of low-level engineers pushing distributed systems to the physical limits of modern hardware. We're reimagining blockchains, from core consensus primitives to performance-tuned networking stacks, in the service of global scale applications.
About the role
We're seeking a Senior Systems Software Engineer to take on the toughest challenges in distributed, high-performance computing. You'll be responsible for designing and building key parts of a base-layer blockchain, focused on juicing every last ounce of performance from commodity hardware. As a member of our fast-paced team, you'll work across the entire modern blockchain stack, including cryptography, consensus, distributed systems, and core kernels.
Responsibilities
  • Design and implement system-level components for blockchain infrastructure using C, C++, and Rust.
  • Maintain strong emphasis on computer systems analysis and implementation.
  • Gather requirements for high-throughput, low-latency (≤ 200 ms p95) services; design distributed systems that meet 99.9 % availability SLAs.
  • Perform benchmarking and performance profiling to enhance execution efficiency.
  • Specify, version, and maintain public and internal APIs plus JSON-RPC/gRPC endpoints.
  • Document interfaces and generate strongly typed client libraries.
  • Collaborate on the development of secure, low-latency networking protocols and cryptographic primitives. Build fault-tolerant ETL pipelines that transform on-chain events into query optimized relational & NoSQL stores.
  • Tune indexes for millisecond reads.
  • Provision and scale commodity server fleets (on-prem & cloud).
  • Automate with Terraform/Kubernetes, monitor health, capacity, and SLOs. Migrate legacy computing pipelines to modern CI/CD frameworks.
  • Support the design of fault-tolerant systems with advanced debugging, logging, and error recovery functionality.
  • Model token- economic incentives, auction fee markets, and validator/operator behaviors; prototype algorithms and run agent-based simulations.
  • Leverage generative-AI coding agents, static analyzers, and self-healing runbooks to accelerate delivery and cut MTTR.
  • Review performance metrics to refine software components for memory and process or efficiency.
  • Profile CPU, I/O, and network paths; execute load-tests; instrument metrics/tracing/logs; drive post-mortems and capacity plans.
  • Maintain and manage a performant suite of APIs, SDKs, and developer tools for consumption by external developers.
  • Integrate cryptographic primitives, secure key management, vulnerability scanning, and incident response playbooks.
  • Write RFCs, lead design reviews, mentor junior engineers, and coordinate cross-functional delivery with product, infra, and legal teams.
  • 100% telecommuting/working from home permitted from various and unanticipated locations throughout the U.S.

Qualifications
  • This position requires a Master's degree, or foreign equivalent, in Economics, Business Economics, Computer Science, or a related field.
  • 10 years of experience as a Systems Engineer, Software Engineer, Software Developer, Information Technology Officer, or a related occupation
  • Additionally, the applicant must have employment experience with:
    • Systems programming in C, C++, and Rust;
    • Low-level performance optimization and hardware interfacing;
    • Distributed systems and threading runtimes;
    • CI/CD pipeline design using GitHub Actions and on-prem infrastructure;
    • Work with multiple systems, including web development platforms, high-performance computing systems, core operating system kernels, developer tools, and systems related to economic applications;
    • Develop distributed ledger technologies or crypto economic distributed systems.

Why join us?
  • Be at the forefront of blockchain technology, working on next-generation performance optimization, on a small, fast-moving, tight-knit team
  • Work with a team of experts with deep expertise in high-frequency trading and scaling developer ecosystems
  • Shape the architecture of a system designed to process millions of transactions per second
  • Access to cutting-edge hardware and development tools

Compensation and Benefits
  • Competitive salary ($213,512 - $220,000 USD)
  • Significant equity and upside potential
  • Flexible work environment
  • Unlimited vacation policy
  • Health insurance
  • Hardware and development tool allowance
  • Conference and learning budget

Requisition ID: 245

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