Senior Backend Javascript Developer

With 15 years of experience, Capicua is a renowned Design-Driven Product Evolution Partner recognized by names such as Clutch, Financial Times, and Inc. 5000.

If you are looking for an opportunity to work with an innovative team that pushes  he boundaries of what's known to deliver exceptional products, we'd love to hear from you.

Take your next big step in Backend JavaScript Development with a talented team that takes A-list US-based companies to new heights.

Responsibilities

• 5+ years of experience as a Backend Engineer working with JavaScript and Node.js(vanilla JavaScript, not TypeScript).
• Strong experience building microservices and event-driven architectures(publish/subscribe, async flows, queue-based processing).
• Advanced knowledge of AWS. Hands-on experience with: Lambda, EventBridge, SQS,DynamoDB, API Gateway and S3.
• Experience working with serverless architectures and distributed systems.
• Strong skills in SQL (experience with Snowflake is a plus).
• Experience using monitoring/observability tools (DataDog preferred) for logs, metrics,dashboards and KPIs.
• Ability to design, implement and maintain high-throughput ETL pipelines, async jobs andbackend workflows.
• Excellent communication skills: able to clearly articulate needs, blockers and technicaldecisions.
• Proven ability to take ownership from end to end: validating requirements, aligning withProduct Owners/Tech Leads/QA, ensuring delivery quality and keeping stakeholdersinformed.
• Experience working with US-based teams or fast-paced international environments.

Nice to have

• Previous experience working in e-commerce environments is highly valued.
• Experience with NetSuite integrations or ERP-related workflows.
• Experience defining error-handling strategies for event-driven systems.
• Experience creating dashboards or KPIs for system health and observability.
• Background working with high-volume data pipelines or large-scale async processing.
• Familiarity with CI/CD pipelines, Terraform or infrastructure-as-code.