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Senior Engineer - Go

extra holidays - extra parental leave
Work set-up: 
Full Remote
Contract: 
Full time
Experience: 
Expert & Leadership (>10 years)
Work from: 
Anywhere

Offer summary

Qualifications:

7+ years of hands-on software engineering experience, Expert-level proficiency in Go, including concurrency patterns and performance profiling, Strong understanding of networking and transport protocols such as TCP, QUIC, gRPC, and libp2p, Security-first mindset with knowledge of cryptography fundamentals and performance engineering expertise..

Key responsibilities:

  • Own and ship key parts of Celestia Node, focusing on data availability for light clients and rollups.
  • Design and optimize Go services for storage, P2P networking, and consensus.
  • Benchmark and tune performance by implementing metrics and structured logging.
  • Support external developers by triaging issues and incorporating feedback into the product roadmap.

Celestia Labs logo
Celestia Labs TPE https://celestia.org/
0 - 1 Employees
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Job description

About Celestia Labs
Celestia is the modular blockchain powering unstoppable applications. We are pushing new paradigms for enabling a thriving ecosystem of applications which are performant, interoperable, secure and fully customizable.

About the Team
The Celestia Labs Team is remote first and highly distributed, with English as our primary language for communication. We are looking for self-starters that are excited about working in a fast-paced startup environment. 

We do not require team members to live in specific timezones, but much of the team lives and works in the European timezones. As such, team members are expected to be available as needed for team and company events that are scheduled. Generally these are scheduled between 1pm-6pm CET.

About You
Celestia Labs is looking for an elite Software Engineer to join the Celestia Node Team. You will be working on a highly technical team, operating across a cutting edge set of disciplines to support continued improvement of Celestia’s node software as we solve data availability for teams building whatever.

This role will be of specific interest if working at the frontier of performance, scalability, storage, p2p networking and security in blockchain systems appeals to you with a heavy bias for shipping.

Perks
  • Flexible and remote work environment with multiple onsites each year
  • Competitive salary and meaningful long-term compensation package
  • Stipends for home office, coworking space, professional and personal growth
  • 4 weeks annual vacation
  • Being part of a collaborative, supportive team with opportunities for mentorship and professional growth
  • 401k and healthcare coverage for US team members

    • Responsibilities
  • Own and ship key parts of Celestia Node - our data-availability layer that re-transmits block data to light clients and rollups.
  • Design and optimize Go services for storage, P2P networking, and consensus, using transports such as TCP, QUIC, gRPC, and libp2p.
  • Benchmark and tune performance by implementing metrics, tracing, and structured logging to identify regressions early.
  • Drive code quality through design documentation, code reviews, and comprehensive technical documentation.
  • Support external developers via GitHub and Discord by triaging issues and incorporating real-world feedback into product roadmap.

    • Who You Are
  • 7+ years of hands-on software engineering experience
  • Expert-level Go proficiency, including concurrency patterns and performance profiling
  • Strong understanding of networking & transport protocols (TCP, QUIC, gRPC, libp2p) and peer-to-peer architectures
  • Proven experience scaling distributed or storage systems with focus on performance, reliability and data integrity
  • Security-first mindset with knowledge of cryptography fundamentals and threat modeling 
  • Performance engineering expertise: CPU/memory profiling, GC tuning, latency analysis, and capacity planning
  • Fluency with modern observability tools (Prometheus, OpenTelemetry, etc)
  • Open-source contributions and excellent asynchronous communication skills
    • While experience in the blockchain space is preferred – having general excitement about web3 and modular blockchain technology is a must!

    Required profile

    Experience

    Level of experience: Expert & Leadership (>10 years)
    Spoken language(s):
    English
    Check out the description to know which languages are mandatory.

    Hard Skills

    Peer-To-PeerPersonal SecurityGo (Programming Language)Performance EngineeringCryptographyConcurrency PatternNetwork ProtocolsDistributed ComputingObservability
    Are you interested?

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