ChainSafe is a leading blockchain R&D firm, specializing in protocol engineering, cross-chain interoperability & web3 gaming.

ChainSafe

ChainSafe is a leading blockchain research and development firm specializing in infrastructure solutions for the decentralized web. Alongside its contributions to significant ecosystems such as Ethereum, Polkadot, Filecoin, and more, ChainSafe creates solutions for developers across the web3 space utilizing our expertise in gaming, bridging and decentralized storage. As part of the mission to build innovative products for users and better tooling for developers, ChainSafe embodies an open-source and community-oriented ethos.

At ChainSafe, you’ll be part of a global remote team that believes in the community's vital importance and contributes to advancing humanity with open-source and decentralized technology. To learn more about ChainSafe, look at our website or check out our work on GitHub.

About our engineering

Our progressive tech stack includes Go, Rust, and TypeScript
We spearhead ecosystem projects like Lodestar, Web3.js, Forest, and Gossamer
Service provider in the decentralized software ecosystem where we successfully manage a couple of thousand production nodes and 10x more testnet nodes.
We are global, remote-friendly, and open to contractors
Who we need

The Head of Infrastructure will be responsible for the overall management and prosperity of our technology infrastructure, including server architecture, hosting, security, and reliability.

Responsibilities

Manage and lead the infrastructure team, including hiring, training, mentoring team members and building best practices
Monitor and manage the infrastructure budget, ensuring alignment with business objectives
Identify and recommend improvements to the infrastructure to enhance performance, scalability, and security, as well as associated monitoring, logging, reporting and alerting
Develop and regularly update disaster recovery, running infrastructure maintenance and operational policies
Manage team and processes to ensure reliable 24x7 delivery of our internal and external services
Requirements

At least 5 years of experience in orchestrating infrastructure, with a proven track record of team management capabilities
Experience or strong understanding of web3 and decentralized infrastructure
Deep knowledge of managing infrastructure systems, including redundancy, failovers, monitoring, real-time alerts as well as hardening and security
Fluent in GNU/Linux command line, containerization, virtualization, and orchestration
Excellent communication and leadership skills
Ability to work independently and as part of a team
Problem-solving attitude and service mentality
Bonus points

Experience managing 24x7 infrastructure operational support
If you feel like you’re the perfect fit for the role, please apply even if you don’t match all the requirements.

Hiring Steps

Selected candidates will be invited to a 15-minute screening call with one of our tech recruiters
Next, candidates will be invited to a 60-minute alignment interview 
Then, candidates will be invited to a 60-minute technical interview 
Why Join ChainSafe

Founded by developers for developers, ChainSafe is a remote-first company with an international team. We continue to provide opportunities for personal and professional growth, value autonomy and responsibility, have a results-driven environment, and offer flexible work hours.

We care deeply about our values and look for these attributes in every new team member. In addition, we recognize the benefits of cultivating a diverse team and aspire to embed respect for all people into our culture. We encourage women, the LGBTQIA+ community, people of color, and members of any other group underrepresented in the tech space to apply.

Head of Infrastructure

ChainSafe is a blockchain research and development firm specializing in infrastructure and tooling for the decentralized web. Alongside its contributions to significant ecosystems such as Ethereum, Polkadot, Filecoin, and more, ChainSafe creates solutions for developers and teams across the web3 space utilizing our expertise in gaming, bridging, NFTs, and decentralized storage. As part of the mission to build innovative products for users and better tooling for developers, ChainSafe embodies an open-source and community-oriented ethos.

To learn more about ChainSafe, look at our GitHub and website.

Here’s what you need to know before reading on
Our progressive tech stack includes Go, Rust, and TypeScript
We spearhead ecosystem projects like Lodestar, Forest, and Gossamer
We are global, remote-friendly, and open to contractors
At ChainSafe, you’ll be part of a team that believes in the community’s vital importance and contributes to advancing humanity with open-source and decentralized technology.

About Lodestar/Ethereum
Lodestar is an Ethereum consensus-layer client (Eth 2.0) and ecosystem of resources to provide and support the next generation of light clients. Light clients are the missing piece in today’s blockchain ecosystems to achieve decentralization across the entire stack. You will contribute to ensuring the long-term success of Ethereum while being at the edge of multiple technological fronts.

Who we need
As a protocol engineer, you will contribute to Lodestar by developing accurate, secure and performant code to implement various specifications. No prior blockchain experience is required, but it is expected for you gain protocol proficiency over time. You’ll also have the opportunity to engage with the wider Ethereum consensus community, and other client teams and contribute to research efforts to influence its future design. The position is full-time and remote-friendly.

Responsibilities
Understand a protocol specification and develop a highly performant implementation
Research multiple solutions and evaluate their performance-memory trade-offs
Research and develop novel light-client solutions
Refactor and improve existing features in the client and supporting libraries
Review, audit and test your teammates’ code
Provide feedback on overall design decisions
Collaborate with other protocol implementation teams to share knowledge and improve each other’s clients
Required skills and experience
Proficiency in TypeScrit
3+ years of TypeScrit programming language, paradigms, constructs, and idioms
5+ years of professional software back-end development experience (no front-end experience required)
Strong familiarity with Node.js C++ internals and/or the v8 javascript engine
Effective usage of TypeScript debugging tools
Be able to proactively dive into the novel territory and share knowledge on what you’ve learned
Basic understanding of cryptography and common applications
Ability to write clean and effective documentation and comments\
Experience in distributed applications and peer-to-peer networking
Comfortable learning complex protocols from scratch
Takes initiative, is a self-starter, is accountable for work
Experience with open-source software or strong communication skills as we actively coordinate with external parties
Nice to have
Experience with Python, as the Ethereum specification is written in Python
Experience with blockchain protocols, whether it be the usage of a blockchain API, knowledge of how a blockchain operates, or any other experience
Experience with distributed systems, peer-to-peer systems, network programming, or cryptography
Experience writing software from a technical specification or a reference implementation
Experience maintaining a large codebase with many components and keeping it well-designed, future-proofed, and modular
Experience with documenting a large codebase, both for internal and user-facing components
Familiarity with open-source software principles
Familiar with Git and GitHub/GitLab
Can construct and maintain CI/CD pipelines
Experience with RPC, WebSockets, or GraphQL
Performance analysis and optimization, optimizing data structures and algorithms
Tell us who you are
If you feel like you’re the perfect fit for the role, please apply even if you don’t match all the requirements.

Hiring Steps
Prior to an interview, a technical task or a sample of open-source code will be reviewed by the team along a provided CV.
Next, candidates will be invited to a values interview with one of our technical project managers.
Finally, candidates will be invited to an interview with the team lead.

Why Join ChainSafe Systems Protocol Engineering
Founded by developers for developers, ChainSafe is a company with an international team. We continue to provide opportunities for personal and professional growth, value autonomy and responsibility, have a results-driven environment, and offer flexible work hours.

We care deeply about our values and look for these attributes in every new team member. In addition, we recognize the benefits of cultivating a diverse team and aspire to embed respect for all people into our culture. We encourage women, the LGBTQIA+ community, people of colour, and members of any other group underrepresented in the blockchain space - or tech in general - to apply.