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Brave
UK
Brave is looking to hire a Computer Science PhD Intern - Machine Learning to join their team. This is an internship position that can be done remotely anywhere in North America, Europe or the United Kingdom.
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Avara
US
About us:
Avara builds innovative products leveraging blockchain technologies. Avara’s suite includes the Aave Protocol, along with the native stablecoin GHO, Lens, an open social network, and Family, a design-first mobile crypto wallet. Avara’s vision is to build a people-powered internet that benefits all.
Our culture:
Having cultivated a thriving, collaborative culture, our team is kind, welcoming and passionate about what we are building. We celebrate differences and seek to develop and retain the most talented people from a diverse candidate pool from all over the world. No matter where you are based, no ghost will be left behind and we appreciate every moment we get to work and have fun together.
About the Role:
As a Principal Engineer at Avara, you will lead the design and implementation of regulated payments infrastructure. Your expertise will enable seamless money movement and high-conversion payment acceptance across Avara’s products and partner ecosystem. Together, we will build bridges, remove toll booths, and increase financial access for billions of people.
How you can make an impact:
- Oversee the end-to-end process of designing, implementing, and deploying regulated payments infrastructure
- Ask questions, uncover edge cases, and tend to our documentation
- Go fast, be agile, but also know when to slow down. As a regulated payments business, we need to take some decisions slowly in order to design for zero-defects and massive scale
- Obsess over transaction processing speed and clear communication with Customers. This is how we build trust.
- Maintain short feedback cycles through communicating priorities, failing forward, and learn as a team
Let’s connect if:
- Minimum of 3 years in a Staff or Principal Engineering role, with a strong preference for experience in Fintech and Payments
- Advanced proficiency in TypeScript, Postgres, GraphQL, Restful and distributed backend system design
- Solid grasp of transaction processing and ledgering and asynchronous risk monitoring
- Experience building mission critical, API-first, services in a production environment for enterprise-scale customers
- Thrive in a dynamic, fast-paced environment
- Driven by the opportunity to make decentralized finance the backbone of fintech and to contribute meaningfully to its practical application in the real world
Haven’t quite met all the criteria? Let’s not miss out on the chance to speak. Whilst you might not meet every single requirement, you might bring other, more exciting skills to the companies!
Equal opportunity statement:
Avara celebrates diversity and view each and every team member as a separate individual with their own unique identity. No matter your race, religion, gender, ethnicity, age, (dis)ability, sexual orientation or even the wallet you use, we welcome you at Avara.
As an equal opportunities employer, we take accountability and believe in everyone’s potential to build, create and inspire changes. With a mission to build a diverse workforce, we are proud to foster a working environment in which everyone can feel safe and valued for who they are.
Brave
UK
Brave is looking to hire a Computer Science PhD Intern - Security/Privacy to join their team. This is an internship position that can be done remotely anywhere in North America, Europe or the United Kingdom.
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Ambush
UK
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:
Have you ever referred to yourself as “terminally online”? If so, you may be a fit for this role :)
We’re hiring a highly-technical onchain generalist to help lead the company’s long term DeFi / onchain strategy as we near the release of our upcoming onchain AI agent products. You can think of this role as a highly technical product owner; contributing to hands-on development as well as the greater strategy.
The ideal candidate is an onchain generalist that has technical hands-on experience with dapps at the blockchain level while being a DeFi power user themselves.
You’ll enjoy strong autonomy & wear various hats that include:
- Leading research efforts on technical DeFi initiatives within the company
- Keeping a pulse on the latest DeFi trends to ensure our products stay ahead of the curve
- Contributing to product roadmap & strategy for our onchain products
- Working alongside our engineering team to assist with onchain technical decisions
- This role is great for those with a strong technical onchain background that get easily bored in specialized roles, as you’ll be the glue between our product, research, & engineering teams.
Requirements:
- Strong technical experience in DeFi research or leading DeFi products
- Experience using smart contract libraries such as viem or web3.js
- Strong analytical & data-focused background, including but not bound to: SQL, Dune, Python, & similar
- Good SecOps; understanding of best security practices for smart contracts & onchain dapps
- Terminally online; web3 native who keeps up with the latest onchain advancements
- Strong writer that can convert DeFi research in to digestible public-facing content
- General interest / experience with AI agents or applied AI & ML
Not required, but a strong bonus:
- Leadership experience at a research firm, venture/trading firm, or high growth web3 company
- Prior commercial experience as a smart contract dev or security auditor
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
Ambush
UK
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 crypto-native backend engineer with proven experience building performant backends & infra for high-growth products that have achieved massive scale.
As our lead backend engineer, you will work directly alongside the CTO to help ensure that our infrastructure & backend is being built to support demanding requirements for performance, security, and scalability.
Because we are an AI company building onchain products, the ideal candidate has a strong general interest in DeFi, and uses LLMs such as GPT, Cursor, Co-pilot, or similar in their daily engineering work flow.
Requirements:
- 4+ years using Golang in production environment
- Crypto-native with prior experience building products in web3
- Experience working with AWS cloud services (e.g., SQS, SNS, RDS, Aurora, Cloud Functions, Lambda)
- Experience with microservices architectures and event-driven systems
- Experience in infrastructure as code using Terraform
- Solid understanding of PostgreSQL
- Hands-on experience with software engineering principles covering automation, testing, CI/CD pipelines, containerization, and cloud technologies
- Familiarity with monitoring and analytics tools like Grafana
- Experience in designing, developing, and maintaining scalable, resilient large-scale production applications in distributed environments
Responsibilities:
- Write well-documented APIs for cross-functional teams to consume
- Contribute to in-depth architectural decisions
- Design, develop, and maintain microservices-based systems
- Manage infrastructure using Terraform in AWS environments
- Maintain a high-quality production environment using AWS services
Not required, but a strong bonus:
- Prior commercial experience as a smart contract dev or security auditor
- Strong Python skills
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
Hashgraph
EU
Hashgraph is looking to hire a Product Security Engineer to join their team. This is a full-time position that can be done remotely anywhere in APAC or EU.
Hashgraph - Powering a digital future built on trust.