We are looking for an experienced Solidity developer to work with our Rust-based team building cutting edge AVS-infrastructure. Your work will involve writing contracts and deploy scripts, and helping Rust devs properly interface with these contracts. We are building a multi-chain protocol based on Eigenlayer restaking, and you will are expected to have deeper EVM/Ethereum knowledge than any other teammate. You should feel comfortable making architecture decisions and recommendations on best integrations with Ethereum and other EVM-based chains.

Responsibilities:

• Writing secure Solidity Contracts
• Extending eigenlayer-middleware contracts
• Writing deploy scripts (solidity / bash / foundry)
• Providing solidity interfaces to the Rust team
• Participating in architectural discussions
• Providing recommendations on Solidity/Ethereum best practices
• Properly testing our Solidity-based infrastructure

Requirements

• 5+ years of professional software development
• 2+ years of production work on Solidity / Ethereum
• Experience with TDD and CI workflows
• Basic working knowledge of Rust
• Working knowledge of bash scripts
• Within 1 hour of CET timezone
• Good written and spoken communication in English
• Experience working in a remote team

Company Overview - Layer Labs

Layer is a fast-growing Web3 startup, launched in September 2024, with the mission to enable developers to build an entirely decentralized stack and create novel applications. We develop a Rust-based blockchain stack that supports decentralized compute for AVSs, GPU, storage, and ZK proofs, paving the way for the future of the web3 ecosystem. Our vision is to resurrect the true principles of web3, creating a trust-based, decentralized internet and shifting away from techno-feudalism. Recently, Layer announced a seed fundraising round of $6 million, with a valuation of $72 million, solidifying our position as a leader in decentralized infrastructure innovation.

Layer was co-founded by three blockchain pioneers:

• Jake Hartnell (CEO), who previously co-founded Juno, Stargaze and DAO DAO;
• Sam Cassatt (CBO), former Chief Strategy Officer at ConsenSys; and
• Ethan Frey (CTO), founder of CosmWasm and architect of key protocols like IBC for the Cosmos ecosystem.

Benefits

This is an hourly rate, contract-based position.

Our Culture:

• You’ll be hands-on, collaborating, and learning right away. We embrace creative complexity together.
• We are a full-stack organization with a strong engineering culture, which values open-source.

What We Offer:

• Remote working environment
• International, collaborative team
• Competitive fees

Babylon is looking to hire a Senior IT Security Engineer to join their team. This is a full-time position that can be done remotely anywhere in the United Kingdom, Europe or Asia.

Babylon - Unlocking 21 million bitcoins to secure the decentralized economy.

About us

Ambush is an AI company developing AI research & products that accelerate onchain adoption. We’re building Web3’s first autonomous AI agents to simplify wealth creation & onchain safety.

We’re a lean & hyper performance-oriented team; we are competitive, we like moving fast, and we run head-first towards seemingly impossible ideas. Our entire team is crypto-native & we have a shared North Star of solving web3’s hardest challenges.

Our team is led by one of crypto’s prominent anons, Psycho.

About the role:

We’re hiring a Lead AI/ML Engineer with deep experience designing and deploying real-world AI systems, with a focus in NLP, GenAI, and evaluation systems.

You’ll work directly with our CTO to architect AI infrastructure that powers intelligent, responsive onchain products. Because we’re building crypto-native interfaces with AI at the core, the ideal candidate is fluent in the modern GenAI stack, has opinions on model evaluation, and isn’t afraid to go deep into both product UX and system performance.

No formal crypto work experience is required, although general interest in crypto is a must.

Requirements:

• 4+ years of production AI/ML experience, with a focus on Python, HF Transformers, other NLP tools, and proper evaluations.
• Strong understanding of modern GenAI ecosystems: frontier models, open models, vector databases, embeddings, RAG, prompt orchestration, etc.
• Hands-on experience building evaluation frameworks and benchmarks for AI systems.
• Track record of deploying and maintaining production systems — ideally including non-cloud (local or edge) inference.
• You’re product-minded and comfortable navigating ambiguity across the AI stack.

Responsibilities

• Architect and implement complex multi-model AI systems — including retrieval-augmented generation (RAG), local model inference, and hybrid pipelines.
• Manage evaluations for open-ended AI tasks (e.g. classification, summarization, question-answering) with clear metrics and iterative feedback loops.
• Contribute to product strategy and help define how AI fits into core user flows.
• Own the full lifecycle: prototyping, productization, monitoring, and iteration.
• Work closely with design and product teams to ship user-facing AI features.
• Stay ahead of the curve on LLM advances, OSS tools, and model performance trends.

Why join Ambush?

• Industry leading pay: strong base salary + uncapped profit share + equity
• Lean & high-impact team; we hate bureaucracy & will not grow past ~10 people
• One of the fastest growing AI companies in crypto
• Proven leadership team with several acquisitions under their belt

Internal full-time hires only, no contractors or agencies