

Senior Backend Engineer – Web2/3 Community Builder – VC Funded
European Union
Competitive
My client has built a robust platform designed for the scalable growth, education, and engagement of various communities. It provides a seamless, user-friendly interface that facilitates interaction between individuals and projects, offering dynamic tools to enhance productivity and engadgement.
Their diverse portfolio includes clients from both Web2 and Web3 sectors, such as LVMH, zkSync, dydx, 5irechain, and Linea. The platform’s effectiveness is reflected in its exponential user growth, expanding from 40k to 1M users. Following a successful pre-seed funding round, they are now prioritizing the recruitment of engineers to ensure platform stability and facilitate the integration of new product features.
The role:
– Co-own and take responsibility for the product, with high autonomy and influence in engineering decisions.
– Innovate, iterate, and optimize bold ideas while refining existing ones.
– Solve crucial technical problems with a focus on incremental daily contributions.
About you:
– 3+ years of experience with Typescript, React, NodeJS, Express, PostgreSQL, Redis, AWS.
– Self-motivated and adept at breaking down projects into manageable tasks.
– Proactive in work, valuing feedback, and eager to learn and grow.
Benefits:
– Competitive salary and equity package
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Frequently Asked Questions
Blockchain 121 is a recruitment and talent management firm specialising in the Web3 and crypto industry. Since 2019, we have built a robust network and deep expertise in this space, helping emerging startups and established players secure top talent. Our focus is on connecting companies with the right individuals with the rare skills required to thrive in the dynamic world of decentralisation.
We provide end-to-end recruitment and talent solutions tailored specifically for the Web3, blockchain and crypto sectors. Our services include sourcing and placing skilled engineers proficient in Rust, Solidity, Golang, ZK, AI and protocol development, as well as connecting businesses with top-tier C-suite executives and business development experts. We also offer a unique Candidate Showcase that highlights our curated network of highly sought-after professionals who are available for hire, providing exclusive access to individuals who are not actively pursuing roles publicly.
Blockchain 121 stands out by being a specialist recruiter who truly lives and breathes Web3. With five years of focused experience in the blockchain industry, we have developed an extensive network and unparalleled knowledge of the talent market. Unlike others, we don’t rely on traditional advertising—our reputation and proven track record drive all our business through referrals. Our deep industry connections, including close ties with leading VCs, unicorns, and startups, allow us to provide precise, efficient talent solutions that convert recruitment into tangible business growth.
Blockchain 121 covers a diverse range of industries within the Web3 and crypto ecosystem. We work with blockchain startups, decentralised finance (DeFi) platforms, non-fungible token (NFT) projects, zero-knowledge (ZK) protocols and companies at the forefront of decentralising AI. Our expertise also extends to supporting large enterprises and Fortune 500 companies looking to integrate blockchain technologies, such as Warner Music Group. Whether it’s a startup building a technical team or a major corporation hiring strategic leaders, we have the knowledge and network to meet their needs.