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|
MetaWealth
$84k - $90k estimated
Backend Engineer/Node.js, AWS, Solana, Ethereum
London / Bucharest
Product & Engineering â Engineering /
Remote/Europe Based Only /
Remote
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We are looking for a Backend Engineer to join our team and help build scalable, high-performance backend systems. You will be responsible for designing and implementing RESTful and GraphQL APIs, working with microservices and AWS Lambda functions, and integrating with Solana and Ethereum blockchains.This role requires strong problem-solving skills, a deep understanding of backend development, and the ability to collaborate closely with frontend engineers, DevOps, and the product team. Communication and teamwork are key as we work in an Agile development environment.
Responsibilities
- Develop and maintain RESTful and GraphQL APIs
- Design architecture and plan features with scalability and maintainability in mind
- Build internal tools and automate manual processes
- Work closely with the product team, frontend engineers, and DevOps to deliver high-quality features
- Monitor production backend systems to ensure stability and performance
- Integrate with Solana and Ethereum blockchains (Solana experience is highly important)
- Write unit and integration tests to ensure code quality and reliability
Tech Stack
- Languages:Â Node.js (Golang is a plus, but you should be able to learn fast)
- Databases: DynamoDB with AppSync, PostgreSQL on AWS RDS
- Frameworks & Tools: Express, NX monorepo, AWS Amplify (plus)
- AWS Services: Lambda, ECS, ECR, RDS, CloudWatch, SQS, SNS, SES, Cognito, Redis, S3, CloudFront
- Testing: Jest
- Blockchain: Solana (Helius RPC, Helius webhooks, Anchor framework, SPL token, Metaplex Core), Ethereum
Requirements
- 3+ years of backend development experienceStrong experience with Node.js Experience building RESTful and GraphQL APIs
- Hands-on experience with AWS services (Lambda, ECS, RDS, etc.)
- Experience working with microservices architecture
- Proficiency in relational and NoSQL databases (PostgreSQL, DynamoDB)
- Experience with Solana blockchain integrations (Helius, Anchor, SPL token, Metaplex Core)
- Strong knowledge of testing best practices and experience writing testsAbility to quickly learn new technologies, including Golang if needed
Nice to Have
- Experience with Ethereum blockchain
- Familiarity with AWS Amplify
- Knowledge of NX monorepo structureExperience in high-performance, distributed systems
- Experience with Golang
Apply for this job
What does a Node.js developer in web3 do?
A Node developer in web3 is a software developer who specializes in creating and maintaining applications built on the Node.js platform and using web3 technology
Web3 is a term that refers to the collection of technologies and protocols that make up the decentralized web, also known as the Internet of value
This includes blockchain technology, peer-to-peer networking, and other technologies that enable users to exchange value and data in a decentralized manner
As a Node developer in web3, some of the responsibilities might include:
- Developing and maintaining web3 applications using Node.js
- Writing and testing code for smart contracts on blockchain platforms
- Implementing security measures to protect the integrity and confidentiality of data on the decentralized web
- Collaborating with other team members to design and implement web3 solutions
- Troubleshooting and debugging issues with web3 applications
- Staying up-to-date with the latest developments and best practices in the web3 ecosystem.