Senior Back-End Developer, Typescript, Nest.js

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November 21

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Echo Base Global

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API • Artificial Intelligence • SaaS

Echo Base Global is a company dedicated to providing innovative solutions and services in the fields of technology and data management. With a focus on enhancing operational efficiency, Echo Base Global leverages cutting-edge tools to help businesses optimize their processes and make data-driven decisions.

51 - 200 employees

Founded 2025

🔌 API

🤖 Artificial Intelligence

☁️ SaaS

📋 Description

• Take end-to-end ownership of features (backend, API, deployment) • Design and build new modules (connectors, API routes, wallet / transaction modules, alerts engine) • Improve, maintain, and scale existing services • Implement, enforce, and monitor APIs to external crypto services (REST, WebSocket, FIX where applicable) • Work on state synchronization, caching, rate limits, backpressure, and resilient connectivity • Ensure system security and correctness (authentication, authorization, encryption, safe handling of keys / wallets) • Participate in architectural decisions and roadmap planning • Occasionally interface with DevOps / infrastructure to deploy, monitor, and maintain production services

🎯 Requirements

• A comprehensive grasp of Crypto and Crypto Trading. • Excellent analytical, critical thinking, and problem-solving skills in financial technology contexts. • Outstanding testing practices, TDD, unit, integration, e2e testing, (JUnit or similar frameworks) • Ability to manage, coordinate, and prioritize work with multiple team members for delivering software with quality in time. • Strong communication skills and an ability to collaborate cross-functionally with product, engineering, and other departments. • Able to explain technical concepts to both technical and non-technical stakeholders. • Must be located in the Americas or Europe (between time zones UTC-5 and UTC+3). • Solid track record of over 10 years demonstrating mastery of Javascript, Typescript, Nest.js or Node.js, mainly in production applications. • Solid experience in administration, modeling, optimization techniques in SQL and NoSQL databases. • Understanding of Git and branching models for coordination with team members. • Past experience in crypto / fintech / trading systems (Preferred / Bonus) • Experience interacting with blockchain / smart contracts / wallets / DeFi systems (Preferred / Bonus) • Experience with containerization / orchestration (Docker, Kubernetes) (Preferred / Bonus) • Experience with CI/CD pipelines, DevOps knowledge (Preferred / Bonus) • Experience in microservices / domain-driven design, event-driven architectures (Preferred / Bonus) • Experience with high throughput & low latency systems (Preferred / Bonus) • Hands-on experience working with release management and architecting within cloud platforms like AWS. (Preferred / Bonus) • Familiarity with network security, traffic encryption, and authentication protocols. (Preferred / Bonus) • Expertise in utilizing in-memory databases like Redis and Memcached, and processing queues such as Apache Kafka, or RabbitMQ, or standards like AMQP. (Preferred / Bonus)