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# Backend Engineer

- **Company:** Calyptus
- **Location:** UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Application Performance Management, Automation of Tests, Communications Protocols, Database Design, Distributed Data Store, Monitoring of Systems, High-Frequency Trading, Python (Programming Language), PostgreSQL, Node.Js, Open Source Technology, Performance Tuning, Redis, Blockchain, Prometheus, TypeScript, WebSocket, Grafana, Backend, Containerization, Kubernetes, Information Technology, Graphql, Web3.js, Front End Software Development, NestJS, Stream Processing, Api Management, Microservices
- **Published:** August 26, 2026
- **Apply:** https://www.collegerecruiter.com/job/2815153182-backend-engineer

## About the Role

* Strong experience with Node.js, TypeScript (NestJS), PostgreSQL, AWS, and Redis.
 * Experience with containerization and orchestration using Kubernetes (K8s).
 * Experience with various communication protocols: REST, WebSockets, Server-Sent Events (SSE), etc.
 * Familiarity with IPFS and distributed storage systems.
 * Experience with ethers.js and Web3 libraries for blockchain interaction.
 * Experience with microservices architecture.
 * Strong understanding of database design and optimization.
 * Knowledge of security best practices and performance optimization.
 * Experience with automated testing and CI/CD pipelines.
 * Go development experience is a plus.
 * Experience with monitoring and observability tools such as Prometheus and Grafana is a plus., * Previous experience in DeFi or trading platforms.
 * Experience with Subgraph integration and GraphQL.
 * Understanding of perpetuals trading and RWA markets.
 * Contributions to open-source projects.
 * Experience with high-frequency trading systems or real-time data processing.

## Description

Direct message the job poster from Calyptus

Co-Founder @ Calyptus | High Performance Talent at Scale | Blockchain & AI

Responsibilities

 * Design and implement scalable backend services using Node.js, TypeScript (NestJS), and Python.
 * Architect and integrate Web3 functionalities throughout the tech stack.
 * Design and implement caching solutions using Redis to optimize application performance.
 * Build and maintain API integrations between frontend and backend systems.
 * Ensure high performance, reliability, and security across all system components.
 * Collaborate with the team on technical architecture decisions and implementation strategies.
 * Work closely with product and design teams to implement new features.
 * Contribute to technical documentation and engineering best practices.

Requirements

 * Strong experience with Node.js, TypeScript (NestJS), PostgreSQL, AWS, and Redis.
 * Experience with containerization and orchestration using Kubernetes (K8s).
 * Experience with various communication protocols: REST, WebSockets, Server-Sent Events (SSE), etc.
 * Familiarity with IPFS and distributed storage systems.
 * Experience with ethers.js and Web3 libraries for blockchain interaction.
 * Experience with microservices architecture.
 * Strong understanding of database design and optimization.
 * Knowledge of security best practices and performance optimization.
 * Experience with automated testing and CI/CD pipelines.
 * Go development experience is a plus.
 * Experience with monitoring and observability tools such as Prometheus and Grafana is a plus.

Preferred Qualifications

 * Previous experience in DeFi or trading platforms.
 * Experience with Subgraph integration and GraphQL.
 * Understanding of perpetuals trading and RWA markets.
 * Contributions to open-source projects.
 * Experience with high-frequency trading systems or real-time data processing.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology and Engineering

Industries

Information Services

Get notified about new Back End Developer jobs in London Area, United Kingdom.


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