Senior Backend JavaScript Developer

We’re looking for exceptional and experienced Senior Backend JavaScript Developers to join our DCA team, with deep expertise in Node.js and building production-grade backend services. In this role, you will take end-to-end ownership of product and feature development, building SaaS applications and services in a microservices architecture, using modern technologies in a fast-paced and professional environment. Tech Stack: Node.js, JavaScript, MongoDB, Kubernetes, Redis (including Redis Streams), Snowflake (plus additional relational/NoSQL data stores as needed)

Requirements: • 5+ years of hands-on software engineering experience, including 3+ years focused on backend JavaScript / Node.js development • Proven experience building and maintaining SaaS applications and/or production backend services • Experience working in a microservices architecture (service boundaries, APIs, reliability patterns) • Experience with LangChain and LangGraph, including building and orchestrating LLM-powered workflows • Hands-on experience with MongoDB and Redis (including practical experience with Redis Streams or similar pub/sub/stream processing) • Familiarity with Kubernetes and containerized deployments • Good understanding of system design fundamentals: APIs, data modeling, performance, scalability, and reliability • Fast learner, able to work both independently and as a team player • Proficiency in English, with strong written and verbal communication skills Nice to Have: • Experience with Snowflake and data pipelines/analytics • Experience with AWS and cloud-based production environments • Experience with relational databases (e.g., PostgreSQL/MySQL) and additional NoSQL technologies • Experience with observability tooling (logging/metrics/tracing) and incident response