Backend Engineer/Golang, NodeJS, AWS, Solana

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 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, ownership, and teamwork are key. Responsibilities

Develop and maintain RESTful APIs, participate in code reviews, and contribute to technical decisions.

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

Take ownership of the product. Build a high-quality product that makes customers happy.

Tech Stack

Languages: GoLang, Node.js

Databases: PostgreSQL on AWS RDS, DynamoDB with AppSync.

Communication Protocols: gRPC + protobuf, NATS, SQS

Frameworks & Tools: Fiber, Express, Gin, Docker, AWS Amplify (plus)

AWS Services: Lambda, ECS, ECR, RDS, CloudWatch, SQS, SNS, SES, Cognito, Redis, S3, CloudFront

Testing: Jest, wire-mock, localstack

Blockchain: Solana (Helius, Anchor framework, SPL token, Token 2022), Ethereum

Monitoring: DataDog, CloudWatch

Requirements

4+ years of backend development experience. Production experience with GoLang (preferred) and NodeJS. Experience building RESTful APIs

Hands-on experience with AWS services (ECS, Lambda, RDS, Postgres, etc.)

Experience working with microservices and event-driven architecture

Proficiency in relational and NoSQL databases (PostgreSQL, DynamoDB)

Experience with Solana blockchain integrations (Helius, Anchor, SPL token, Token 2022, Metaplex Core)

Strong knowledge of testing best practices and experience writing tests. Ability to quickly learn new technologies

Nice to Have

Experience with Terraform and CDK

Experience integrating with the Ethereum blockchain

Familiarity with AWS Amplify